./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -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-bad-buffer-mult-alt2.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 a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 17:01:29,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 17:01:29,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 17:01:29,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 17:01:29,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 17:01:29,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 17:01:29,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 17:01:29,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 17:01:29,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 17:01:29,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 17:01:29,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 17:01:29,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 17:01:29,708 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 17:01:29,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 17:01:29,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 17:01:29,709 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 17:01:29,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 17:01:29,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 17:01:29,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 17:01:29,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 17:01:29,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 17:01:29,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 17:01:29,713 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 17:01:29,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 17:01:29,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 17:01:29,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 17:01:29,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 17:01:29,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 17:01:29,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 17:01:29,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 17:01:29,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 17:01:29,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 17:01:29,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 17:01:29,716 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 17:01:29,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 17:01:29,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 17:01:29,717 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 17:01:29,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 17:01:29,719 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 17:01:29,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 17:01:29,719 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 17:01:29,719 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-10-18 17:01:29,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 17:01:29,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 17:01:29,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 17:01:29,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 17:01:29,972 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 17:01:29,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-10-18 17:01:31,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 17:01:31,581 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 17:01:31,581 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-10-18 17:01:31,593 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a3e2e076d/d47f136d5e6c4273bcd606c44243ddd7/FLAGb6d5af73d [2024-10-18 17:01:31,971 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a3e2e076d/d47f136d5e6c4273bcd606c44243ddd7 [2024-10-18 17:01:31,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 17:01:31,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 17:01:31,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 17:01:31,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 17:01:31,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 17:01:31,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:01:31" (1/1) ... [2024-10-18 17:01:31,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b8676e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:31, skipping insertion in model container [2024-10-18 17:01:31,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:01:31" (1/1) ... [2024-10-18 17:01:32,005 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 17:01:32,281 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-bad-buffer-mult-alt2.wvr.c[4226,4239] [2024-10-18 17:01:32,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 17:01:32,321 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 17:01:32,350 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-bad-buffer-mult-alt2.wvr.c[4226,4239] [2024-10-18 17:01:32,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 17:01:32,375 INFO L204 MainTranslator]: Completed translation [2024-10-18 17:01:32,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:32 WrapperNode [2024-10-18 17:01:32,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 17:01:32,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 17:01:32,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 17:01:32,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 17:01:32,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:32" (1/1) ... [2024-10-18 17:01:32,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:32" (1/1) ... [2024-10-18 17:01:32,415 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 307 [2024-10-18 17:01:32,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 17:01:32,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 17:01:32,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 17:01:32,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 17:01:32,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:32" (1/1) ... [2024-10-18 17:01:32,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:32" (1/1) ... [2024-10-18 17:01:32,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:32" (1/1) ... [2024-10-18 17:01:32,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:32" (1/1) ... [2024-10-18 17:01:32,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:32" (1/1) ... [2024-10-18 17:01:32,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:32" (1/1) ... [2024-10-18 17:01:32,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:32" (1/1) ... [2024-10-18 17:01:32,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:32" (1/1) ... [2024-10-18 17:01:32,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 17:01:32,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 17:01:32,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 17:01:32,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 17:01:32,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:32" (1/1) ... [2024-10-18 17:01:32,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 17:01:32,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:01:32,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 17:01:32,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 17:01:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 17:01:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 17:01:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 17:01:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 17:01:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 17:01:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 17:01:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 17:01:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-18 17:01:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-18 17:01:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 17:01:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 17:01:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 17:01:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 17:01:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 17:01:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 17:01:32,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 17:01:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 17:01:32,541 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 17:01:32,641 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 17:01:32,643 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 17:01:33,026 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 17:01:33,026 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 17:01:33,383 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 17:01:33,383 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-18 17:01:33,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:01:33 BoogieIcfgContainer [2024-10-18 17:01:33,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 17:01:33,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 17:01:33,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 17:01:33,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 17:01:33,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 05:01:31" (1/3) ... [2024-10-18 17:01:33,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7edfaeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:01:33, skipping insertion in model container [2024-10-18 17:01:33,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:01:32" (2/3) ... [2024-10-18 17:01:33,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7edfaeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:01:33, skipping insertion in model container [2024-10-18 17:01:33,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:01:33" (3/3) ... [2024-10-18 17:01:33,393 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2024-10-18 17:01:33,409 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 17:01:33,410 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 17:01:33,410 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 17:01:33,472 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-18 17:01:33,518 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 17:01:33,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 17:01:33,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:01:33,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 17:01:33,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 17:01:33,625 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 17:01:33,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:01:33,647 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 17:01:33,654 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;@61943683, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 17:01:33,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-18 17:01:35,739 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 2 more)] === [2024-10-18 17:01:35,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:01:35,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1997991004, now seen corresponding path program 1 times [2024-10-18 17:01:35,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:01:35,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441597089] [2024-10-18 17:01:35,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:35,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-10-18 17:01:36,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:01:36,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441597089] [2024-10-18 17:01:36,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441597089] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 17:01:36,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 17:01:36,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 17:01:36,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464250151] [2024-10-18 17:01:36,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 17:01:36,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 17:01:36,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:01:37,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 17:01:37,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 17:01:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:01:37,884 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:01:37,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:01:37,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:01:38,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:38,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 17:01:38,003 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 2 more)] === [2024-10-18 17:01:38,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:01:38,004 INFO L85 PathProgramCache]: Analyzing trace with hash 2075173836, now seen corresponding path program 1 times [2024-10-18 17:01:38,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:01:38,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911283033] [2024-10-18 17:01:38,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:38,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:38,352 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-10-18 17:01:38,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:01:38,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911283033] [2024-10-18 17:01:38,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911283033] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 17:01:38,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 17:01:38,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 17:01:38,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667609624] [2024-10-18 17:01:38,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 17:01:38,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 17:01:38,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:01:39,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 17:01:39,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 17:01:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:01:39,512 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:01:39,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:01:39,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:39,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:01:39,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:39,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:39,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 17:01:39,598 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 2 more)] === [2024-10-18 17:01:39,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:01:39,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1691715662, now seen corresponding path program 1 times [2024-10-18 17:01:39,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:01:39,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700670023] [2024-10-18 17:01:39,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:39,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:40,071 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 35 proven. 37 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-10-18 17:01:40,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:01:40,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700670023] [2024-10-18 17:01:40,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700670023] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:01:40,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301816654] [2024-10-18 17:01:40,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:40,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:01:40,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:01:40,087 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:01:40,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 17:01:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:40,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 17:01:40,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:01:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-18 17:01:40,402 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:01:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 68 proven. 9 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-18 17:01:40,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301816654] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:01:40,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:01:40,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-10-18 17:01:40,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546843743] [2024-10-18 17:01:40,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:01:40,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-18 17:01:40,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:01:40,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:01:40,938 INFO L85 PathProgramCache]: Analyzing trace with hash -286849065, now seen corresponding path program 1 times [2024-10-18 17:01:40,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:40,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 17:01:41,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:41,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 17:01:42,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-18 17:01:42,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-10-18 17:01:42,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:01:42,529 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:01:42,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 13 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:01:42,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:42,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:42,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:01:42,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:42,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:42,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:01:42,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-18 17:01:42,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-10-18 17:01:42,905 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 2 more)] === [2024-10-18 17:01:42,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:01:42,906 INFO L85 PathProgramCache]: Analyzing trace with hash 632148708, now seen corresponding path program 2 times [2024-10-18 17:01:42,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:01:42,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966595207] [2024-10-18 17:01:42,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:42,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:43,381 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 38 proven. 52 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-18 17:01:43,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:01:43,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966595207] [2024-10-18 17:01:43,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966595207] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:01:43,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917257255] [2024-10-18 17:01:43,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 17:01:43,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:01:43,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:01:43,385 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:01:43,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 17:01:43,573 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 17:01:43,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:01:43,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 17:01:43,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:01:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 115 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-10-18 17:01:43,781 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:01:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 86 proven. 32 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-10-18 17:01:43,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917257255] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:01:43,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:01:43,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 19 [2024-10-18 17:01:43,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290894254] [2024-10-18 17:01:43,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:01:43,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-18 17:01:43,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:01:44,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:01:44,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1062344860, now seen corresponding path program 1 times [2024-10-18 17:01:44,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:44,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:44,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:44,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:01:44,777 INFO L85 PathProgramCache]: Analyzing trace with hash -444987311, now seen corresponding path program 1 times [2024-10-18 17:01:44,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:44,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:44,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:45,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:01:45,254 INFO L85 PathProgramCache]: Analyzing trace with hash -2083434040, now seen corresponding path program 1 times [2024-10-18 17:01:45,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:45,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:45,723 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 17:01:45,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:45,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 17:01:46,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-18 17:01:46,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=686, Unknown=0, NotChecked=0, Total=812 [2024-10-18 17:01:46,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:01:46,888 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:01:46,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.842105263157895) internal successors, (149), 19 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:01:46,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:46,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:46,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:01:46,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:01:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:01:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:01:47,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-18 17:01:47,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-18 17:01:47,299 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 2 more)] === [2024-10-18 17:01:47,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:01:47,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1439529714, now seen corresponding path program 3 times [2024-10-18 17:01:47,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:01:47,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663189401] [2024-10-18 17:01:47,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:47,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 37 proven. 85 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-18 17:01:47,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:01:47,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663189401] [2024-10-18 17:01:47,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663189401] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:01:47,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988066366] [2024-10-18 17:01:47,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 17:01:47,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:01:47,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:01:47,857 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:01:47,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 17:01:48,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-18 17:01:48,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:01:48,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-18 17:01:48,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:01:48,403 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 142 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:01:48,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:01:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 95 proven. 53 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:01:48,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988066366] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:01:48,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:01:48,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 26 [2024-10-18 17:01:48,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375747883] [2024-10-18 17:01:48,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:01:48,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-18 17:01:48,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:01:48,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:01:49,010 INFO L85 PathProgramCache]: Analyzing trace with hash -99470515, now seen corresponding path program 1 times [2024-10-18 17:01:49,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:49,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:49,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:49,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:01:49,482 INFO L85 PathProgramCache]: Analyzing trace with hash -249210238, now seen corresponding path program 1 times [2024-10-18 17:01:49,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:49,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:49,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:49,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:01:49,863 INFO L85 PathProgramCache]: Analyzing trace with hash 771767159, now seen corresponding path program 1 times [2024-10-18 17:01:49,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:49,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:49,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:50,315 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:01:50,315 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 40 treesize of output 20 [2024-10-18 17:01:50,516 INFO L85 PathProgramCache]: Analyzing trace with hash 505863666, now seen corresponding path program 1 times [2024-10-18 17:01:50,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:50,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:50,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:50,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:01:51,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1498099985, now seen corresponding path program 1 times [2024-10-18 17:01:51,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:51,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:51,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:51,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:01:51,446 INFO L85 PathProgramCache]: Analyzing trace with hash -2004799749, now seen corresponding path program 1 times [2024-10-18 17:01:51,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:51,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:51,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:51,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:01:51,934 INFO L85 PathProgramCache]: Analyzing trace with hash -313411677, now seen corresponding path program 1 times [2024-10-18 17:01:51,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:51,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:52,505 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-18 17:01:52,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:52,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-18 17:01:53,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:01:53,597 INFO L85 PathProgramCache]: Analyzing trace with hash 198355602, now seen corresponding path program 1 times [2024-10-18 17:01:53,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:53,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 17:01:53,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:53,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 17:01:54,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-18 17:01:54,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1123, Unknown=0, NotChecked=0, Total=1332 [2024-10-18 17:01:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:01:54,127 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:01:54,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.074074074074074) internal successors, (191), 26 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:01:54,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:54,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:54,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:01:54,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:01:54,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:01:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:54,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:01:54,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:01:54,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:01:54,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:01:54,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-18 17:01:54,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 17:01:54,509 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 2 more)] === [2024-10-18 17:01:54,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:01:54,509 INFO L85 PathProgramCache]: Analyzing trace with hash -2066953714, now seen corresponding path program 4 times [2024-10-18 17:01:54,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:01:54,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23161988] [2024-10-18 17:01:54,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:54,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:01:54,918 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 47 proven. 75 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-10-18 17:01:54,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:01:54,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23161988] [2024-10-18 17:01:54,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23161988] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:01:54,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553494258] [2024-10-18 17:01:54,919 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 17:01:54,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:01:54,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:01:54,921 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:01:54,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 17:01:55,114 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 17:01:55,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:01:55,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 17:01:55,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:01:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 98 proven. 11 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-10-18 17:01:55,240 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:01:55,510 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 62 proven. 76 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-18 17:01:55,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553494258] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:01:55,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:01:55,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 9] total 20 [2024-10-18 17:01:55,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987279708] [2024-10-18 17:01:55,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:01:55,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-18 17:01:55,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:01:55,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:01:55,823 INFO L85 PathProgramCache]: Analyzing trace with hash 229133929, now seen corresponding path program 1 times [2024-10-18 17:01:55,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:55,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:55,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:56,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:01:56,250 INFO L85 PathProgramCache]: Analyzing trace with hash -998558306, now seen corresponding path program 1 times [2024-10-18 17:01:56,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:56,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:56,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:56,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:01:56,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1648744085, now seen corresponding path program 1 times [2024-10-18 17:01:56,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:56,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:56,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:57,211 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:01:57,211 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 40 treesize of output 20 [2024-10-18 17:01:57,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1277829904, now seen corresponding path program 1 times [2024-10-18 17:01:57,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:57,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:57,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:57,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:01:57,964 INFO L85 PathProgramCache]: Analyzing trace with hash 958016013, now seen corresponding path program 1 times [2024-10-18 17:01:57,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:57,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:58,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:58,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:01:58,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1656818203, now seen corresponding path program 1 times [2024-10-18 17:01:58,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:01:58,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:01:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:58,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:01:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:01:59,015 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:01:59,015 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 40 treesize of output 20 [2024-10-18 17:02:01,173 INFO L85 PathProgramCache]: Analyzing trace with hash 501245041, now seen corresponding path program 1 times [2024-10-18 17:02:01,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:01,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:01,502 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 17:02:01,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:01,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:01,898 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 17:02:02,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:02:02,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1641278778, now seen corresponding path program 1 times [2024-10-18 17:02:02,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:02,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 17:02:02,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:02,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 17:02:03,274 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:02:03,274 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 40 treesize of output 20 [2024-10-18 17:02:03,422 INFO L85 PathProgramCache]: Analyzing trace with hash 398962913, now seen corresponding path program 1 times [2024-10-18 17:02:03,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:03,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:03,679 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 17:02:03,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:03,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:03,955 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 17:02:04,270 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:02:04,271 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 40 treesize of output 20 [2024-10-18 17:02:04,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1905179374, now seen corresponding path program 1 times [2024-10-18 17:02:04,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:04,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:04,675 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:02:04,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:04,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:02:05,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-18 17:02:05,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2024-10-18 17:02:05,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:02:05,063 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:02:05,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.8) internal successors, (176), 20 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:02:05,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:05,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:05,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:05,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:02:05,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:02:05,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:02:05,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:05,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:05,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:05,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:02:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:02:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:05,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-18 17:02:05,604 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,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable29,SelfDestructingSolverStorable21,SelfDestructingSolverStorable32,SelfDestructingSolverStorable22,SelfDestructingSolverStorable33,SelfDestructingSolverStorable23,SelfDestructingSolverStorable34,SelfDestructingSolverStorable24,SelfDestructingSolverStorable35,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-18 17:02:05,604 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 2 more)] === [2024-10-18 17:02:05,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:02:05,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1520438526, now seen corresponding path program 5 times [2024-10-18 17:02:05,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:02:05,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122427920] [2024-10-18 17:02:05,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:05,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 168 proven. 317 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-10-18 17:02:06,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:02:06,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122427920] [2024-10-18 17:02:06,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122427920] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:02:06,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036958822] [2024-10-18 17:02:06,384 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 17:02:06,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:02:06,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:02:06,386 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:02:06,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 17:02:06,890 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-10-18 17:02:06,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:02:06,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-18 17:02:06,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:02:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 593 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-18 17:02:07,519 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:02:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 396 proven. 212 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-18 17:02:08,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036958822] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:02:08,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:02:08,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 18, 18] total 46 [2024-10-18 17:02:08,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951357287] [2024-10-18 17:02:08,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:02:08,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-10-18 17:02:08,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:02:08,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:02:08,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1264901263, now seen corresponding path program 1 times [2024-10-18 17:02:08,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:08,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:08,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:08,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:02:08,865 INFO L85 PathProgramCache]: Analyzing trace with hash -471745980, now seen corresponding path program 1 times [2024-10-18 17:02:08,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:08,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:08,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:09,304 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:02:09,304 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 40 treesize of output 20 [2024-10-18 17:02:09,525 INFO L85 PathProgramCache]: Analyzing trace with hash 902380312, now seen corresponding path program 1 times [2024-10-18 17:02:09,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:09,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:10,111 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:02:10,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:10,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:10,404 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:02:10,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:02:10,685 INFO L85 PathProgramCache]: Analyzing trace with hash -2090987737, now seen corresponding path program 1 times [2024-10-18 17:02:10,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:10,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:02:10,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:10,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:02:11,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:02:11,495 INFO L85 PathProgramCache]: Analyzing trace with hash -2091202892, now seen corresponding path program 1 times [2024-10-18 17:02:11,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:11,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:02:11,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:11,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:02:12,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:02:12,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1769446359, now seen corresponding path program 1 times [2024-10-18 17:02:12,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:12,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:12,807 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 39 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:02:12,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:12,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 39 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:02:13,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:02:13,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1289489246, now seen corresponding path program 1 times [2024-10-18 17:02:13,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:13,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 47 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 17:02:13,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:13,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:14,123 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 47 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 17:02:14,519 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:02:14,519 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 96 treesize of output 51 [2024-10-18 17:02:15,347 INFO L85 PathProgramCache]: Analyzing trace with hash 318038888, now seen corresponding path program 1 times [2024-10-18 17:02:15,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:15,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 49 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 17:02:15,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:15,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 49 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 17:02:16,905 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:02:16,905 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 96 treesize of output 51 [2024-10-18 17:02:18,465 INFO L85 PathProgramCache]: Analyzing trace with hash 692462251, now seen corresponding path program 1 times [2024-10-18 17:02:18,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:18,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 17:02:18,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:18,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:19,264 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 17:02:19,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:02:19,461 INFO L85 PathProgramCache]: Analyzing trace with hash -263929562, now seen corresponding path program 1 times [2024-10-18 17:02:19,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:19,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 26 proven. 64 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:02:19,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:19,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:20,302 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 26 proven. 64 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:02:20,688 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:02:20,688 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 96 treesize of output 51 [2024-10-18 17:02:22,515 INFO L85 PathProgramCache]: Analyzing trace with hash -2104863275, now seen corresponding path program 1 times [2024-10-18 17:02:22,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:22,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 31 proven. 64 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:02:22,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:22,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 31 proven. 64 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:02:23,805 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:02:23,805 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 96 treesize of output 51 [2024-10-18 17:02:34,021 INFO L85 PathProgramCache]: Analyzing trace with hash 155747480, now seen corresponding path program 1 times [2024-10-18 17:02:34,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:34,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:34,350 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 31 proven. 64 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:02:34,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:34,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:34,732 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 31 proven. 64 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:02:35,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-10-18 17:02:35,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=4024, Unknown=0, NotChecked=0, Total=4692 [2024-10-18 17:02:35,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:02:35,012 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:02:35,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 6.48936170212766) internal successors, (305), 46 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:02:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:02:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:02:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:02:35,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:35,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:35,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:35,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:02:35,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:02:35,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:35,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:02:35,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-18 17:02:35,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable40,SelfDestructingSolverStorable51,SelfDestructingSolverStorable41,SelfDestructingSolverStorable52,SelfDestructingSolverStorable42,SelfDestructingSolverStorable53,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43,SelfDestructingSolverStorable54,SelfDestructingSolverStorable44,SelfDestructingSolverStorable55,SelfDestructingSolverStorable45,SelfDestructingSolverStorable56,SelfDestructingSolverStorable46,SelfDestructingSolverStorable57,SelfDestructingSolverStorable36,SelfDestructingSolverStorable47,SelfDestructingSolverStorable58,SelfDestructingSolverStorable37,SelfDestructingSolverStorable48,SelfDestructingSolverStorable38,SelfDestructingSolverStorable49,SelfDestructingSolverStorable39 [2024-10-18 17:02:35,470 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 2 more)] === [2024-10-18 17:02:35,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:02:35,470 INFO L85 PathProgramCache]: Analyzing trace with hash 793976318, now seen corresponding path program 6 times [2024-10-18 17:02:35,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:02:35,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486265957] [2024-10-18 17:02:35,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:35,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:35,903 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 96 proven. 190 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2024-10-18 17:02:35,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:02:35,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486265957] [2024-10-18 17:02:35,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486265957] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:02:35,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185348927] [2024-10-18 17:02:35,903 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 17:02:35,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:02:35,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:02:35,904 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:02:35,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 17:02:36,405 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-10-18 17:02:36,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:02:36,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-18 17:02:36,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:02:36,638 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 362 proven. 10 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-10-18 17:02:36,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:02:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 313 proven. 59 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-10-18 17:02:36,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185348927] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:02:36,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:02:36,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2024-10-18 17:02:36,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674197502] [2024-10-18 17:02:36,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:02:36,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-18 17:02:36,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:02:37,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:02:37,164 INFO L85 PathProgramCache]: Analyzing trace with hash -121820227, now seen corresponding path program 1 times [2024-10-18 17:02:37,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:37,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:37,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:37,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:02:37,786 INFO L85 PathProgramCache]: Analyzing trace with hash 998426994, now seen corresponding path program 1 times [2024-10-18 17:02:37,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:37,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:38,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:39,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-18 17:02:39,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2024-10-18 17:02:39,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:02:39,312 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:02:39,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 5.533333333333333) internal successors, (166), 30 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:02:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:02:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:02:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:02:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:02:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:02:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:02:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:02:39,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:39,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 17:02:39,683 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,SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable59 [2024-10-18 17:02:39,684 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 2 more)] === [2024-10-18 17:02:39,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:02:39,684 INFO L85 PathProgramCache]: Analyzing trace with hash -126303104, now seen corresponding path program 7 times [2024-10-18 17:02:39,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:02:39,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442022148] [2024-10-18 17:02:39,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:39,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:40,443 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 127 proven. 278 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2024-10-18 17:02:40,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:02:40,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442022148] [2024-10-18 17:02:40,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442022148] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:02:40,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141843692] [2024-10-18 17:02:40,444 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 17:02:40,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:02:40,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:02:40,446 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:02:40,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 17:02:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:40,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-18 17:02:40,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:02:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 526 proven. 15 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-10-18 17:02:41,233 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:02:41,562 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 406 proven. 135 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-10-18 17:02:41,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141843692] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:02:41,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:02:41,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2024-10-18 17:02:41,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865014384] [2024-10-18 17:02:41,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:02:41,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-10-18 17:02:41,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:02:41,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:02:41,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1024745435, now seen corresponding path program 1 times [2024-10-18 17:02:41,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:41,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:41,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:42,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:02:42,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1305253722, now seen corresponding path program 1 times [2024-10-18 17:02:42,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:42,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:42,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:42,585 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:02:42,585 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 40 treesize of output 20 [2024-10-18 17:02:42,715 INFO L85 PathProgramCache]: Analyzing trace with hash -473725268, now seen corresponding path program 1 times [2024-10-18 17:02:42,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:42,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:42,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:43,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:02:43,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1800590339, now seen corresponding path program 1 times [2024-10-18 17:02:43,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:43,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:43,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:43,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:02:43,943 INFO L85 PathProgramCache]: Analyzing trace with hash 684653068, now seen corresponding path program 1 times [2024-10-18 17:02:43,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:43,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:44,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:44,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:02:44,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1667838465, now seen corresponding path program 1 times [2024-10-18 17:02:44,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:44,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 38 proven. 51 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:02:45,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:45,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 38 proven. 51 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:02:45,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:02:45,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1537330102, now seen corresponding path program 1 times [2024-10-18 17:02:45,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:45,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:46,343 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 44 proven. 51 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:02:46,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:46,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 44 proven. 51 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:02:46,894 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:02:46,895 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 40 treesize of output 20 [2024-10-18 17:02:47,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1355890576, now seen corresponding path program 1 times [2024-10-18 17:02:47,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:47,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:47,489 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 46 proven. 51 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:02:47,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:47,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 46 proven. 51 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:02:48,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:02:48,144 INFO L85 PathProgramCache]: Analyzing trace with hash -917074293, now seen corresponding path program 1 times [2024-10-18 17:02:48,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:48,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:48,582 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 46 proven. 51 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:02:48,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:48,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 46 proven. 51 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:02:49,166 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:02:49,167 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 40 treesize of output 20 [2024-10-18 17:02:49,295 INFO L85 PathProgramCache]: Analyzing trace with hash 403084086, now seen corresponding path program 1 times [2024-10-18 17:02:49,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:49,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:49,678 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 46 proven. 51 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:02:49,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:49,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 46 proven. 51 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:02:50,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-10-18 17:02:50,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=1487, Unknown=0, NotChecked=0, Total=1806 [2024-10-18 17:02:50,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:02:50,755 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:02:50,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 6.194444444444445) internal successors, (223), 36 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:02:50,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:50,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:50,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:50,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:02:50,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:02:50,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:50,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:02:50,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:50,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:02:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:02:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:02:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:02:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:02:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:02:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:02:50,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-18 17:02:51,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable62,SelfDestructingSolverStorable73,SelfDestructingSolverStorable63,SelfDestructingSolverStorable74,SelfDestructingSolverStorable64,SelfDestructingSolverStorable75,SelfDestructingSolverStorable65,SelfDestructingSolverStorable76,SelfDestructingSolverStorable66,SelfDestructingSolverStorable77,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:02:51,135 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 2 more)] === [2024-10-18 17:02:51,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:02:51,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1409805886, now seen corresponding path program 8 times [2024-10-18 17:02:51,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:02:51,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259076219] [2024-10-18 17:02:51,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:51,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:02:51,715 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 173 proven. 307 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-10-18 17:02:51,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:02:51,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259076219] [2024-10-18 17:02:51,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259076219] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:02:51,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718172277] [2024-10-18 17:02:51,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 17:02:51,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:02:51,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:02:51,717 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:02:51,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 17:02:52,099 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 17:02:52,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:02:52,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-18 17:02:52,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:02:52,545 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 565 proven. 21 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-10-18 17:02:52,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:02:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 388 proven. 198 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-10-18 17:02:52,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718172277] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:02:52,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:02:52,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 42 [2024-10-18 17:02:52,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391532427] [2024-10-18 17:02:52,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:02:52,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-10-18 17:02:52,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:02:53,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:02:53,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1049342925, now seen corresponding path program 1 times [2024-10-18 17:02:53,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:53,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:53,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:53,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:02:53,644 INFO L85 PathProgramCache]: Analyzing trace with hash -2068020862, now seen corresponding path program 1 times [2024-10-18 17:02:53,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:53,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:53,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:54,070 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:02:54,071 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 40 treesize of output 20 [2024-10-18 17:02:54,620 INFO L85 PathProgramCache]: Analyzing trace with hash -907734444, now seen corresponding path program 1 times [2024-10-18 17:02:54,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:54,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:54,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:55,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:02:55,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1924993249, now seen corresponding path program 1 times [2024-10-18 17:02:55,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:55,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:55,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:55,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:02:55,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1329846384, now seen corresponding path program 1 times [2024-10-18 17:02:55,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:55,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:55,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:56,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:02:56,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1825602077, now seen corresponding path program 1 times [2024-10-18 17:02:56,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:56,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:56,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:56,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:02:56,921 INFO L85 PathProgramCache]: Analyzing trace with hash -680182502, now seen corresponding path program 1 times [2024-10-18 17:02:56,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:56,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:57,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:57,363 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:02:57,363 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 40 treesize of output 20 [2024-10-18 17:02:57,482 INFO L85 PathProgramCache]: Analyzing trace with hash 328752568, now seen corresponding path program 1 times [2024-10-18 17:02:57,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:57,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:57,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:57,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:02:58,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1601384687, now seen corresponding path program 1 times [2024-10-18 17:02:58,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:02:58,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:02:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:58,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:02:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:02:58,776 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:02:58,776 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 96 treesize of output 51 [2024-10-18 17:03:01,721 INFO L85 PathProgramCache]: Analyzing trace with hash -2055267678, now seen corresponding path program 1 times [2024-10-18 17:03:01,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:01,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:01,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:02,159 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:03:02,159 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 40 treesize of output 20 [2024-10-18 17:03:02,287 INFO L85 PathProgramCache]: Analyzing trace with hash 711200539, now seen corresponding path program 1 times [2024-10-18 17:03:02,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:02,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:02,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:02,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:03:02,930 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 96 treesize of output 51 [2024-10-18 17:03:11,977 INFO L85 PathProgramCache]: Analyzing trace with hash 572369380, now seen corresponding path program 1 times [2024-10-18 17:03:11,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:11,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:12,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:12,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:03:12,626 INFO L85 PathProgramCache]: Analyzing trace with hash 290822241, now seen corresponding path program 1 times [2024-10-18 17:03:12,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:12,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:12,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:13,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:03:13,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1370924923, now seen corresponding path program 1 times [2024-10-18 17:03:13,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:13,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:03:13,810 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 46 proven. 59 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:03:13,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:13,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:03:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 46 proven. 59 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:03:14,516 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:03:14,516 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 40 treesize of output 20 [2024-10-18 17:03:14,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1556984189, now seen corresponding path program 1 times [2024-10-18 17:03:14,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:14,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:03:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:03:15,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:15,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:03:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:03:15,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-10-18 17:03:15,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=424, Invalid=2026, Unknown=0, NotChecked=0, Total=2450 [2024-10-18 17:03:15,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:03:15,947 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:03:15,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.095238095238095) internal successors, (256), 42 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:03:15,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:03:15,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:03:15,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:03:15,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:03:15,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:03:15,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:03:15,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:03:15,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:03:15,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:03:15,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:03:16,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:03:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:03:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:03:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:03:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:03:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:03:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:03:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:03:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:03:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:03:16,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-18 17:03:16,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable80,SelfDestructingSolverStorable91,SelfDestructingSolverStorable81,SelfDestructingSolverStorable92,SelfDestructingSolverStorable82,SelfDestructingSolverStorable93,SelfDestructingSolverStorable83,SelfDestructingSolverStorable94,SelfDestructingSolverStorable84,SelfDestructingSolverStorable95,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86,SelfDestructingSolverStorable87,SelfDestructingSolverStorable88,SelfDestructingSolverStorable78,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89,SelfDestructingSolverStorable79 [2024-10-18 17:03:16,336 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 2 more)] === [2024-10-18 17:03:16,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:03:16,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1784544320, now seen corresponding path program 9 times [2024-10-18 17:03:16,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:03:16,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796437880] [2024-10-18 17:03:16,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:16,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:03:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 240 proven. 311 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-10-18 17:03:16,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:03:16,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796437880] [2024-10-18 17:03:16,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796437880] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:03:16,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83877081] [2024-10-18 17:03:16,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 17:03:16,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:03:16,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:03:16,975 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:03:16,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-18 17:03:17,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-10-18 17:03:17,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:03:17,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-18 17:03:17,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:03:18,188 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 368 proven. 38 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-10-18 17:03:18,188 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:03:18,346 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 378 proven. 13 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-10-18 17:03:18,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83877081] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:03:18,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:03:18,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 7] total 36 [2024-10-18 17:03:18,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543623029] [2024-10-18 17:03:18,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:03:18,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-10-18 17:03:18,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:03:18,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:03:18,606 INFO L85 PathProgramCache]: Analyzing trace with hash 921571506, now seen corresponding path program 1 times [2024-10-18 17:03:18,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:18,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:18,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:18,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:03:19,026 INFO L85 PathProgramCache]: Analyzing trace with hash 734648295, now seen corresponding path program 1 times [2024-10-18 17:03:19,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:19,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:19,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:19,315 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:03:19,315 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 40 treesize of output 20 [2024-10-18 17:03:21,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1477118151, now seen corresponding path program 1 times [2024-10-18 17:03:21,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:21,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:21,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:21,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:03:21,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1453966348, now seen corresponding path program 1 times [2024-10-18 17:03:21,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:21,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:22,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:22,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:03:22,505 INFO L85 PathProgramCache]: Analyzing trace with hash -143998437, now seen corresponding path program 1 times [2024-10-18 17:03:22,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:22,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:22,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:22,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:03:22,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1873659408, now seen corresponding path program 1 times [2024-10-18 17:03:22,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:22,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:23,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:23,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:03:23,501 INFO L85 PathProgramCache]: Analyzing trace with hash -703597625, now seen corresponding path program 1 times [2024-10-18 17:03:23,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:23,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:23,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:24,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:03:24,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1930766689, now seen corresponding path program 1 times [2024-10-18 17:03:24,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:24,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:24,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:24,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:03:24,847 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 96 treesize of output 51 [2024-10-18 17:03:25,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1747151218, now seen corresponding path program 1 times [2024-10-18 17:03:25,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:25,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:25,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:26,013 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:03:26,013 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 40 treesize of output 20 [2024-10-18 17:03:26,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1672874827, now seen corresponding path program 1 times [2024-10-18 17:03:26,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:26,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:26,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:26,811 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:03:26,812 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 96 treesize of output 51 [2024-10-18 17:03:27,644 INFO L85 PathProgramCache]: Analyzing trace with hash 319499856, now seen corresponding path program 1 times [2024-10-18 17:03:27,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:27,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:27,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:28,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:03:28,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2096301389, now seen corresponding path program 1 times [2024-10-18 17:03:28,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:28,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:28,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:28,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:03:28,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1811562765, now seen corresponding path program 1 times [2024-10-18 17:03:28,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:28,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:29,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:03:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:03:29,500 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:03:29,500 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 96 treesize of output 51 [2024-10-18 17:03:44,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1215680575, now seen corresponding path program 1 times [2024-10-18 17:03:44,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:44,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:03:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:03:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:45,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:03:46,376 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:03:46,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:03:46,717 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 96 treesize of output 51 [2024-10-18 17:03:49,377 INFO L85 PathProgramCache]: Analyzing trace with hash -38332924, now seen corresponding path program 1 times [2024-10-18 17:03:49,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:49,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:03:49,882 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:03:49,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:49,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:03:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-18 17:03:50,821 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:03:50,821 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 96 treesize of output 51 [2024-10-18 17:03:53,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2137410695, now seen corresponding path program 1 times [2024-10-18 17:03:53,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:53,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:03:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 18 proven. 89 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-10-18 17:03:54,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:54,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:03:54,686 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 18 proven. 89 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-10-18 17:03:54,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-10-18 17:03:54,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1758, Unknown=0, NotChecked=0, Total=1980 [2024-10-18 17:03:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:03:54,852 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:03:54,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.305555555555555) internal successors, (263), 36 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:03:54,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:03:54,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:03:54,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:03:54,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:03:54,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:03:54,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:03:54,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:03:54,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:03:54,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:03:54,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:03:54,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:03:56,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:03:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:03:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:03:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:03:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:03:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:03:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:03:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:03:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:03:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:03:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:03:56,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-18 17:03:56,977 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,SelfDestructingSolverStorable110,SelfDestructingSolverStorable96,SelfDestructingSolverStorable97,SelfDestructingSolverStorable108,SelfDestructingSolverStorable109,SelfDestructingSolverStorable98,SelfDestructingSolverStorable104,SelfDestructingSolverStorable115,SelfDestructingSolverStorable99,SelfDestructingSolverStorable105,SelfDestructingSolverStorable106,SelfDestructingSolverStorable107,SelfDestructingSolverStorable100,SelfDestructingSolverStorable111,SelfDestructingSolverStorable101,SelfDestructingSolverStorable112,SelfDestructingSolverStorable102,SelfDestructingSolverStorable113,SelfDestructingSolverStorable103,SelfDestructingSolverStorable114 [2024-10-18 17:03:56,978 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 2 more)] === [2024-10-18 17:03:56,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:03:56,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1454559863, now seen corresponding path program 10 times [2024-10-18 17:03:56,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:03:56,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978124017] [2024-10-18 17:03:56,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:03:56,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:03:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:03:57,732 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 353 proven. 423 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-10-18 17:03:57,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:03:57,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978124017] [2024-10-18 17:03:57,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978124017] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:03:57,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852310152] [2024-10-18 17:03:57,733 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 17:03:57,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:03:57,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:03:57,735 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:03:57,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-18 17:03:58,280 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 17:03:58,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:03:58,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-18 17:03:58,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:03:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 843 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-18 17:03:59,998 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:04:01,409 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-10-18 17:04:01,409 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 20 treesize of output 4 [2024-10-18 17:04:01,709 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 714 proven. 165 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-18 17:04:01,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852310152] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:04:01,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:04:01,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 24, 24] total 63 [2024-10-18 17:04:01,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545037662] [2024-10-18 17:04:01,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:04:01,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-10-18 17:04:01,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:04:01,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:04:01,960 INFO L85 PathProgramCache]: Analyzing trace with hash -2021581547, now seen corresponding path program 1 times [2024-10-18 17:04:01,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:04:01,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:04:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:04:02,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:04:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:04:02,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:04:02,422 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 96 treesize of output 51 [2024-10-18 17:04:19,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1323854996, now seen corresponding path program 1 times [2024-10-18 17:04:19,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:04:19,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:04:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:04:20,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:04:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:04:20,660 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:04:20,660 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 96 treesize of output 51 [2024-10-18 17:04:26,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1971089908, now seen corresponding path program 1 times [2024-10-18 17:04:26,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:04:26,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:04:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:04:26,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:04:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:04:26,795 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:04:26,796 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 96 treesize of output 51 [2024-10-18 17:04:28,856 INFO L85 PathProgramCache]: Analyzing trace with hash -844377300, now seen corresponding path program 1 times [2024-10-18 17:04:28,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:04:28,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:04:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:04:29,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:04:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:04:29,627 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:04:29,627 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 96 treesize of output 51 [2024-10-18 17:04:56,797 INFO L85 PathProgramCache]: Analyzing trace with hash 765140309, now seen corresponding path program 1 times [2024-10-18 17:04:56,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:04:56,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:04:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:04:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 73 proven. 196 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-18 17:04:57,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:04:57,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:04:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:04:57,954 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 73 proven. 196 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-18 17:04:58,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-10-18 17:04:58,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=902, Invalid=3388, Unknown=0, NotChecked=0, Total=4290 [2024-10-18 17:04:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:04:58,593 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:04:58,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 6.523809523809524) internal successors, (411), 63 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:04:58,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:04:58,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:04:58,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:04:58,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:04:58,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:04:58,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:04:58,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:04:58,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:04:58,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:04:58,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:04:58,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:04:58,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:04:59,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:04:59,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:04:59,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:04:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:04:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:04:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:04:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:04:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:04:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:04:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:04:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:04:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:04:59,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-18 17:04:59,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,SelfDestructingSolverStorable121,SelfDestructingSolverStorable119,SelfDestructingSolverStorable116,SelfDestructingSolverStorable117,SelfDestructingSolverStorable118,SelfDestructingSolverStorable122,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:04:59,371 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 2 more)] === [2024-10-18 17:04:59,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:04:59,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1218768203, now seen corresponding path program 11 times [2024-10-18 17:04:59,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:04:59,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577077208] [2024-10-18 17:04:59,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:04:59,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:04:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:05:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 465 proven. 243 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-10-18 17:05:00,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:05:00,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577077208] [2024-10-18 17:05:00,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577077208] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:05:00,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173781652] [2024-10-18 17:05:00,070 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 17:05:00,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:05:00,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:05:00,071 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:05:00,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-18 17:05:07,257 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-10-18 17:05:07,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:05:07,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-18 17:05:07,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:05:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 824 proven. 66 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-10-18 17:05:08,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:05:10,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 406 proven. 484 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-10-18 17:05:10,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173781652] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:05:10,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:05:10,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 26, 26] total 57 [2024-10-18 17:05:10,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163117074] [2024-10-18 17:05:10,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:05:10,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-10-18 17:05:10,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:05:10,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:05:10,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2024604360, now seen corresponding path program 1 times [2024-10-18 17:05:10,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:05:10,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:05:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:05:10,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:05:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:05:11,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:05:11,473 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 96 treesize of output 51 [2024-10-18 17:05:26,299 INFO L85 PathProgramCache]: Analyzing trace with hash -465837069, now seen corresponding path program 1 times [2024-10-18 17:05:26,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:05:26,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:05:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:05:26,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:05:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:05:27,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:05:27,133 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 96 treesize of output 51 [2024-10-18 17:05:28,112 INFO L85 PathProgramCache]: Analyzing trace with hash 2062041239, now seen corresponding path program 1 times [2024-10-18 17:05:28,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:05:28,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:05:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:05:28,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:05:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:05:28,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:05:28,982 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 96 treesize of output 51 [2024-10-18 17:05:31,812 INFO L85 PathProgramCache]: Analyzing trace with hash -717911541, now seen corresponding path program 1 times [2024-10-18 17:05:31,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:05:31,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:05:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:05:32,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:05:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:05:32,658 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:05:32,658 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 96 treesize of output 51 [2024-10-18 17:05:35,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1619265016, now seen corresponding path program 1 times [2024-10-18 17:05:35,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:05:35,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:05:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:05:36,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:05:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:05:36,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:05:37,073 INFO L85 PathProgramCache]: Analyzing trace with hash -449684628, now seen corresponding path program 1 times [2024-10-18 17:05:37,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:05:37,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:05:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:05:37,698 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 99 proven. 189 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-10-18 17:05:37,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:05:37,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:05:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:05:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 99 proven. 189 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-10-18 17:05:38,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:05:38,595 INFO L85 PathProgramCache]: Analyzing trace with hash -397884270, now seen corresponding path program 1 times [2024-10-18 17:05:38,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:05:38,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:05:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:05:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 99 proven. 189 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-10-18 17:05:39,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:05:39,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:05:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:05:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 99 proven. 189 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-10-18 17:05:39,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-10-18 17:05:39,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=709, Invalid=2483, Unknown=0, NotChecked=0, Total=3192 [2024-10-18 17:05:39,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:05:39,825 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:05:39,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 6.280701754385965) internal successors, (358), 57 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:05:39,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:05:39,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:05:39,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:05:39,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:05:39,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:05:39,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:05:39,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:05:39,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:05:39,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:05:39,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:05:39,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:05:39,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:05:39,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:05:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:05:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:05:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:05:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:05:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:05:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:05:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:05:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:05:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:05:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:05:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:05:40,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:05:40,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 17:05:40,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-18 17:05:41,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130,SelfDestructingSolverStorable131,SelfDestructingSolverStorable132,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable126,SelfDestructingSolverStorable127,SelfDestructingSolverStorable128,SelfDestructingSolverStorable129,SelfDestructingSolverStorable123,SelfDestructingSolverStorable124,SelfDestructingSolverStorable125 [2024-10-18 17:05:41,080 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 2 more)] === [2024-10-18 17:05:41,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:05:41,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1557674574, now seen corresponding path program 12 times [2024-10-18 17:05:41,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:05:41,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647314200] [2024-10-18 17:05:41,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:05:41,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:05:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:05:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 1022 proven. 234 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-18 17:05:42,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:05:42,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647314200] [2024-10-18 17:05:42,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647314200] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:05:42,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258662760] [2024-10-18 17:05:42,563 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 17:05:42,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:05:42,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:05:42,566 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:05:42,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-18 17:05:45,415 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-10-18 17:05:45,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:05:45,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-18 17:05:45,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:05:47,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 809 proven. 98 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2024-10-18 17:05:47,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:05:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 731 proven. 63 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-10-18 17:05:47,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258662760] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:05:47,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:05:47,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 22, 7] total 56 [2024-10-18 17:05:47,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399835843] [2024-10-18 17:05:47,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:05:47,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-10-18 17:05:47,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:05:47,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:05:47,753 INFO L85 PathProgramCache]: Analyzing trace with hash 849773967, now seen corresponding path program 1 times [2024-10-18 17:05:47,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:05:47,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:05:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:05:47,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:05:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:05:48,391 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:05:48,392 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 96 treesize of output 51 [2024-10-18 17:06:00,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1812976390, now seen corresponding path program 1 times [2024-10-18 17:06:00,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:06:00,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:06:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:00,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:06:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:01,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:06:01,423 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 96 treesize of output 51 [2024-10-18 17:06:11,654 INFO L85 PathProgramCache]: Analyzing trace with hash -75732242, now seen corresponding path program 1 times [2024-10-18 17:06:11,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:06:11,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:06:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:11,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:06:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:12,611 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:06:12,611 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 96 treesize of output 51 [2024-10-18 17:06:19,376 INFO L85 PathProgramCache]: Analyzing trace with hash 782551314, now seen corresponding path program 1 times [2024-10-18 17:06:19,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:06:19,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:06:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:19,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:06:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:20,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:06:20,221 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 96 treesize of output 51 [2024-10-18 17:06:33,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1068065490, now seen corresponding path program 1 times [2024-10-18 17:06:33,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:06:33,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:06:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:34,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:06:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:34,685 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:06:34,686 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 96 treesize of output 51 [2024-10-18 17:06:46,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1249691636, now seen corresponding path program 1 times [2024-10-18 17:06:46,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:06:46,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:06:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:47,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:06:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:47,820 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:06:47,820 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 96 treesize of output 51 [2024-10-18 17:06:48,949 INFO L85 PathProgramCache]: Analyzing trace with hash 869525250, now seen corresponding path program 1 times [2024-10-18 17:06:48,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:06:48,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:06:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:49,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:06:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:49,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:06:49,953 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 96 treesize of output 51 [2024-10-18 17:06:51,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1062081621, now seen corresponding path program 1 times [2024-10-18 17:06:51,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:06:51,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:06:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:51,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:06:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:06:52,421 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:06:52,421 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 96 treesize of output 51 [2024-10-18 17:07:17,407 INFO L85 PathProgramCache]: Analyzing trace with hash -369025666, now seen corresponding path program 1 times [2024-10-18 17:07:17,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:07:17,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:07:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:07:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 177 proven. 443 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-18 17:07:19,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:07:19,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:07:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:07:21,467 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 42 proven. 257 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2024-10-18 17:07:21,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-10-18 17:07:21,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=5022, Unknown=0, NotChecked=0, Total=5550 [2024-10-18 17:07:21,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:07:21,554 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:07:21,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 6.660714285714286) internal successors, (373), 56 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:07:21,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:07:21,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:07:21,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:07:21,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:07:21,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:07:21,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:07:21,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:07:21,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:07:21,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:07:21,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:07:21,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:07:21,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:07:21,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 17:07:21,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:07:30,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:07:30,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:07:30,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:07:30,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:07:30,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:07:30,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:07:30,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:07:30,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 17:07:30,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:07:30,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:07:30,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-18 17:07:30,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:07:30,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 17:07:30,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-18 17:07:30,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-18 17:07:30,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140,14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable141,SelfDestructingSolverStorable142,SelfDestructingSolverStorable143,SelfDestructingSolverStorable137,SelfDestructingSolverStorable138,SelfDestructingSolverStorable139,SelfDestructingSolverStorable133,SelfDestructingSolverStorable134,SelfDestructingSolverStorable135,SelfDestructingSolverStorable136 [2024-10-18 17:07:30,834 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 2 more)] === [2024-10-18 17:07:30,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:07:30,834 INFO L85 PathProgramCache]: Analyzing trace with hash -14427175, now seen corresponding path program 13 times [2024-10-18 17:07:30,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:07:30,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157502081] [2024-10-18 17:07:30,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:07:30,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:07:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:08:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 51 proven. 904 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:08:47,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:08:47,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157502081] [2024-10-18 17:08:47,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157502081] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:08:47,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324111628] [2024-10-18 17:08:47,337 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 17:08:47,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:08:47,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:08:47,339 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:08:47,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-18 17:08:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:08:48,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 252 conjuncts are in the unsatisfiable core [2024-10-18 17:08:48,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:09:37,496 INFO L349 Elim1Store]: treesize reduction 1826, result has 13.6 percent of original size [2024-10-18 17:09:37,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 23 select indices, 23 select index equivalence classes, 66 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 253 case distinctions, treesize of input 612 treesize of output 408 [2024-10-18 17:09:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 115 proven. 834 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 17:09:37,547 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:12:03,116 WARN L286 SmtUtils]: Spent 1.56m on a formula simplification. DAG size of input: 2679 DAG size of output: 1944 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-10-18 17:12:03,117 INFO L349 Elim1Store]: treesize reduction 3400, result has 74.1 percent of original size [2024-10-18 17:12:03,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 46 select indices, 46 select index equivalence classes, 0 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 1035 case distinctions, treesize of input 552 treesize of output 9862 Killed by 15