./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/25_stack.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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/pthread-ext/25_stack.i -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 cf3bc75facf298f845d28de033983b6b167a38358df8a7e4c589353ba4656864 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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 18:32:01,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 18:32:01,746 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 18:32:01,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 18:32:01,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 18:32:01,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 18:32:01,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 18:32:01,788 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 18:32:01,789 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 18:32:01,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 18:32:01,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 18:32:01,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 18:32:01,793 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 18:32:01,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 18:32:01,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 18:32:01,794 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 18:32:01,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 18:32:01,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 18:32:01,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 18:32:01,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 18:32:01,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 18:32:01,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 18:32:01,800 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 18:32:01,800 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 18:32:01,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 18:32:01,800 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 18:32:01,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 18:32:01,801 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 18:32:01,801 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 18:32:01,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 18:32:01,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 18:32:01,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 18:32:01,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 18:32:01,802 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 18:32:01,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 18:32:01,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 18:32:01,803 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 18:32:01,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 18:32:01,805 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 18:32:01,805 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 18:32:01,806 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 18:32:01,806 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 -> cf3bc75facf298f845d28de033983b6b167a38358df8a7e4c589353ba4656864 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 -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-18 18:32:02,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 18:32:02,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 18:32:02,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 18:32:02,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 18:32:02,124 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 18:32:02,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/25_stack.i [2024-10-18 18:32:03,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 18:32:03,827 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 18:32:03,829 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/25_stack.i [2024-10-18 18:32:03,850 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/84d4b6b39/b7e0008f2eff474c9261359a75d19edf/FLAGcf4801781 [2024-10-18 18:32:03,869 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/84d4b6b39/b7e0008f2eff474c9261359a75d19edf [2024-10-18 18:32:03,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 18:32:03,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 18:32:03,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 18:32:03,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 18:32:03,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 18:32:03,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 06:32:03" (1/1) ... [2024-10-18 18:32:03,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a569233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:03, skipping insertion in model container [2024-10-18 18:32:03,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 06:32:03" (1/1) ... [2024-10-18 18:32:03,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 18:32:04,311 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/25_stack.i[31168,31181] [2024-10-18 18:32:04,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 18:32:04,333 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 18:32:04,391 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/25_stack.i[31168,31181] [2024-10-18 18:32:04,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 18:32:04,432 INFO L204 MainTranslator]: Completed translation [2024-10-18 18:32:04,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:04 WrapperNode [2024-10-18 18:32:04,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 18:32:04,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 18:32:04,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 18:32:04,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 18:32:04,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:04" (1/1) ... [2024-10-18 18:32:04,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:04" (1/1) ... [2024-10-18 18:32:04,484 INFO L138 Inliner]: procedures = 178, calls = 33, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 173 [2024-10-18 18:32:04,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 18:32:04,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 18:32:04,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 18:32:04,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 18:32:04,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:04" (1/1) ... [2024-10-18 18:32:04,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:04" (1/1) ... [2024-10-18 18:32:04,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:04" (1/1) ... [2024-10-18 18:32:04,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:04" (1/1) ... [2024-10-18 18:32:04,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:04" (1/1) ... [2024-10-18 18:32:04,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:04" (1/1) ... [2024-10-18 18:32:04,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:04" (1/1) ... [2024-10-18 18:32:04,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:04" (1/1) ... [2024-10-18 18:32:04,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 18:32:04,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 18:32:04,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 18:32:04,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 18:32:04,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:04" (1/1) ... [2024-10-18 18:32:04,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 18:32:04,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:32:04,565 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 18:32:04,568 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 18:32:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 18:32:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-18 18:32:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-18 18:32:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 18:32:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 18:32:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 18:32:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 18:32:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 18:32:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 18:32:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 18:32:04,621 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 18:32:04,774 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 18:32:04,777 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 18:32:05,123 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 18:32:05,125 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 18:32:05,419 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 18:32:05,419 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-18 18:32:05,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:32:05 BoogieIcfgContainer [2024-10-18 18:32:05,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 18:32:05,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 18:32:05,422 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 18:32:05,426 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 18:32:05,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 06:32:03" (1/3) ... [2024-10-18 18:32:05,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5954985d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 06:32:05, skipping insertion in model container [2024-10-18 18:32:05,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:32:04" (2/3) ... [2024-10-18 18:32:05,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5954985d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 06:32:05, skipping insertion in model container [2024-10-18 18:32:05,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:32:05" (3/3) ... [2024-10-18 18:32:05,429 INFO L112 eAbstractionObserver]: Analyzing ICFG 25_stack.i [2024-10-18 18:32:05,447 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 18:32:05,447 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 18:32:05,447 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 18:32:05,522 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 18:32:05,570 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 18:32:05,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 18:32:05,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:32:05,573 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 18:32:05,574 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 18:32:05,669 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:32:05,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:05,689 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-10-18 18:32:05,697 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;@540e4a59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 18:32:05,697 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 18:32:06,475 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:06,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:06,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1916175070, now seen corresponding path program 1 times [2024-10-18 18:32:06,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:06,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93763694] [2024-10-18 18:32:06,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:06,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:06,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:06,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93763694] [2024-10-18 18:32:06,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93763694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:06,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:06,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 18:32:06,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809248976] [2024-10-18 18:32:06,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:06,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 18:32:06,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:06,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:32:06,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:32:06,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:06,904 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:06,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 18:32:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:06,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:06,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 18:32:06,956 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:06,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:06,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1016983088, now seen corresponding path program 1 times [2024-10-18 18:32:06,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:06,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880994583] [2024-10-18 18:32:06,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:06,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:07,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:07,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:07,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880994583] [2024-10-18 18:32:07,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880994583] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:07,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:07,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 18:32:07,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220251763] [2024-10-18 18:32:07,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:07,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 18:32:07,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:07,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 18:32:07,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 18:32:07,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:07,163 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:07,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 18:32:07,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:07,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:07,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:07,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:07,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 18:32:07,348 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:07,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:07,349 INFO L85 PathProgramCache]: Analyzing trace with hash 793455298, now seen corresponding path program 1 times [2024-10-18 18:32:07,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:07,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926249242] [2024-10-18 18:32:07,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:07,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:07,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:07,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:07,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926249242] [2024-10-18 18:32:07,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926249242] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:07,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:07,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-18 18:32:07,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473167459] [2024-10-18 18:32:07,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:07,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-18 18:32:07,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:07,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-18 18:32:07,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-18 18:32:07,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:07,726 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:07,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 18:32:07,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:07,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:07,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:08,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 18:32:08,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-18 18:32:08,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-18 18:32:08,731 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-18 18:32:08,733 INFO L312 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2024-10-18 18:32:08,739 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 18:32:08,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 18:32:08,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:32:08,742 INFO L229 MonitoredProcess]: Starting monitored process 3 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 18:32:08,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-10-18 18:32:08,817 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:32:08,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:08,818 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 18:32:08,819 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;@540e4a59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 18:32:08,819 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 18:32:09,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:09,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:09,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1096711092, now seen corresponding path program 1 times [2024-10-18 18:32:09,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:09,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810563768] [2024-10-18 18:32:09,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:09,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:09,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:09,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:09,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810563768] [2024-10-18 18:32:09,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810563768] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:09,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:09,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 18:32:09,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252058063] [2024-10-18 18:32:09,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:09,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 18:32:09,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:09,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:32:09,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:32:09,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:09,304 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:09,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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 18:32:09,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:09,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:09,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-18 18:32:09,336 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:09,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:09,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1931812542, now seen corresponding path program 1 times [2024-10-18 18:32:09,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:09,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247926263] [2024-10-18 18:32:09,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:09,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:09,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:09,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247926263] [2024-10-18 18:32:09,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247926263] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:09,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:09,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 18:32:09,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901937788] [2024-10-18 18:32:09,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:09,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 18:32:09,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:09,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 18:32:09,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 18:32:09,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:09,400 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:09,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:32:09,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:09,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:09,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:09,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:09,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-18 18:32:09,527 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:09,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:09,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1993620688, now seen corresponding path program 1 times [2024-10-18 18:32:09,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:09,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460547634] [2024-10-18 18:32:09,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:09,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:09,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:09,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460547634] [2024-10-18 18:32:09,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460547634] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:09,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:09,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-18 18:32:09,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632396894] [2024-10-18 18:32:09,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:09,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-18 18:32:09,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:09,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-18 18:32:09,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-18 18:32:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:09,788 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:09,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 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 18:32:09,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:09,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:09,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 18:32:09,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-18 18:32:09,965 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:09,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:09,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1993619727, now seen corresponding path program 1 times [2024-10-18 18:32:09,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:09,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831173056] [2024-10-18 18:32:09,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:09,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:32:09,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:32:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:32:10,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-18 18:32:10,060 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-18 18:32:10,061 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-10-18 18:32:10,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-18 18:32:10,065 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-18 18:32:10,066 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2024-10-18 18:32:10,066 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-18 18:32:10,067 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-18 18:32:10,099 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 18:32:10,102 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 18:32:10,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 18:32:10,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:32:10,104 INFO L229 MonitoredProcess]: Starting monitored process 4 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 18:32:10,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-10-18 18:32:10,153 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:32:10,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:10,155 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 18:32:10,157 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;@540e4a59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 18:32:10,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 18:32:11,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:11,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:11,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1197250165, now seen corresponding path program 1 times [2024-10-18 18:32:11,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:11,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287962522] [2024-10-18 18:32:11,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:11,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 18:32:11,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:11,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287962522] [2024-10-18 18:32:11,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287962522] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:11,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:11,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 18:32:11,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398049983] [2024-10-18 18:32:11,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:11,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 18:32:11,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:11,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:32:11,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:32:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:11,571 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:11,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 18:32:11,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:11,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:11,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-18 18:32:11,656 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:11,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:11,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1918422183, now seen corresponding path program 1 times [2024-10-18 18:32:11,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:11,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827091740] [2024-10-18 18:32:11,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:11,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 18:32:11,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:11,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827091740] [2024-10-18 18:32:11,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827091740] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:11,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:11,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 18:32:11,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457658960] [2024-10-18 18:32:11,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:11,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 18:32:11,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:11,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 18:32:11,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 18:32:11,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:11,745 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:11,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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 18:32:11,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:11,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:12,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:12,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:12,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-18 18:32:12,136 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:12,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:12,137 INFO L85 PathProgramCache]: Analyzing trace with hash 919827545, now seen corresponding path program 1 times [2024-10-18 18:32:12,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:12,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725735742] [2024-10-18 18:32:12,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:12,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:12,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:12,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725735742] [2024-10-18 18:32:12,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725735742] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:32:12,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91292934] [2024-10-18 18:32:12,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:12,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:32:12,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:32:12,207 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 18:32:12,209 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 18:32:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:12,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-18 18:32:12,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:32:12,402 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:12,404 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:32:12,465 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:12,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91292934] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:32:12,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:32:12,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-18 18:32:12,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124667802] [2024-10-18 18:32:12,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:32:12,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 18:32:12,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:12,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 18:32:12,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-18 18:32:12,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:12,469 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:12,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 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 18:32:12,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:12,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:12,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:12,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:12,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:12,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:12,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-18 18:32:12,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:32:12,753 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:12,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:12,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1189726442, now seen corresponding path program 1 times [2024-10-18 18:32:12,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:12,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053582060] [2024-10-18 18:32:12,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:12,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 18:32:12,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:12,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053582060] [2024-10-18 18:32:12,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053582060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:12,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:12,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 18:32:12,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599821941] [2024-10-18 18:32:12,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:12,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 18:32:12,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:12,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:32:12,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 18:32:12,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:12,872 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:12,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 18:32:12,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:12,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:12,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:12,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:12,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:12,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-18 18:32:12,995 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:12,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:12,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1189725481, now seen corresponding path program 1 times [2024-10-18 18:32:12,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:12,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986631688] [2024-10-18 18:32:12,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:12,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:13,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:13,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986631688] [2024-10-18 18:32:13,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986631688] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:32:13,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837791051] [2024-10-18 18:32:13,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:13,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:32:13,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:32:13,139 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 18:32:13,140 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 18:32:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:13,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-18 18:32:13,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:32:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:13,337 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 18:32:13,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837791051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:13,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 18:32:13,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-18 18:32:13,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022611861] [2024-10-18 18:32:13,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:13,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 18:32:13,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:13,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 18:32:13,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-18 18:32:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:13,340 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:13,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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 18:32:13,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:13,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:13,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:13,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:13,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:13,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:13,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-18 18:32:13,753 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,SelfDestructingSolverStorable11 [2024-10-18 18:32:13,754 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:13,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:13,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1234987523, now seen corresponding path program 1 times [2024-10-18 18:32:13,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:13,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090781632] [2024-10-18 18:32:13,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:13,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:14,048 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 18:32:14,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:14,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090781632] [2024-10-18 18:32:14,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090781632] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:14,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:14,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-18 18:32:14,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958535571] [2024-10-18 18:32:14,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:14,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-18 18:32:14,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:14,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-18 18:32:14,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-18 18:32:14,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:14,051 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:14,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:32:14,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:14,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:14,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:14,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:14,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:14,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 18:32:14,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-18 18:32:14,557 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:14,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:14,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1688982391, now seen corresponding path program 1 times [2024-10-18 18:32:14,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:14,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289434469] [2024-10-18 18:32:14,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:14,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 18:32:14,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:14,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289434469] [2024-10-18 18:32:14,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289434469] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:14,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:14,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 18:32:14,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796429488] [2024-10-18 18:32:14,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:14,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 18:32:14,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:14,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:32:14,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 18:32:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:14,688 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:14,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:32:14,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:14,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:14,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:14,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:14,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:14,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 18:32:14,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:14,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:14,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:14,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:14,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 18:32:14,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:14,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-18 18:32:14,941 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:14,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:14,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1178448214, now seen corresponding path program 1 times [2024-10-18 18:32:14,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:14,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892194354] [2024-10-18 18:32:14,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:14,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:15,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:15,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892194354] [2024-10-18 18:32:15,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892194354] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:32:15,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986522580] [2024-10-18 18:32:15,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:15,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:32:15,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:32:15,093 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 18:32:15,094 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 18:32:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:15,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-18 18:32:15,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:32:15,290 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:15,290 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:32:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:15,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986522580] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:32:15,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:32:15,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-10-18 18:32:15,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112127107] [2024-10-18 18:32:15,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:32:15,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-18 18:32:15,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:15,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-18 18:32:15,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-18 18:32:15,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:15,368 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:15,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 9 states have internal predecessors, (102), 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 18:32:15,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:15,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:15,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:15,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:15,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:15,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 18:32:15,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:15,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:32:15,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:15,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 18:32:15,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-18 18:32:15,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-18 18:32:15,898 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:15,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:15,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1501258418, now seen corresponding path program 1 times [2024-10-18 18:32:15,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:15,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140327020] [2024-10-18 18:32:15,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:15,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-18 18:32:16,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:16,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140327020] [2024-10-18 18:32:16,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140327020] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:16,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:16,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 18:32:16,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9499153] [2024-10-18 18:32:16,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:16,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 18:32:16,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:16,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:32:16,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 18:32:16,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:16,047 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:16,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 18:32:16,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:16,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:16,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:16,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:32:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 18:32:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:16,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:32:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 18:32:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:16,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-18 18:32:16,141 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:32:16,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:16,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1501259379, now seen corresponding path program 1 times [2024-10-18 18:32:16,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:16,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762381185] [2024-10-18 18:32:16,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:16,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:32:16,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:32:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:32:16,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-18 18:32:16,242 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-18 18:32:16,245 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-10-18 18:32:16,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-18 18:32:16,248 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-18 18:32:16,248 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2024-10-18 18:32:16,248 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-18 18:32:16,248 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-18 18:32:16,299 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 18:32:16,302 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 18:32:16,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 18:32:16,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:32:16,304 INFO L229 MonitoredProcess]: Starting monitored process 8 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 18:32:16,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2024-10-18 18:32:16,351 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:32:16,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:16,352 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2024-10-18 18:32:16,352 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;@540e4a59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 18:32:16,352 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 18:32:18,682 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:18,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:18,682 INFO L85 PathProgramCache]: Analyzing trace with hash -656206198, now seen corresponding path program 1 times [2024-10-18 18:32:18,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:18,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522513356] [2024-10-18 18:32:18,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:18,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:18,743 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 18:32:18,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:18,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522513356] [2024-10-18 18:32:18,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522513356] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:18,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:18,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 18:32:18,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697201983] [2024-10-18 18:32:18,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:18,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 18:32:18,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:18,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:32:18,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:32:18,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:18,745 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:18,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 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 18:32:18,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:18,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:18,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-18 18:32:18,897 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:18,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:18,898 INFO L85 PathProgramCache]: Analyzing trace with hash -814396679, now seen corresponding path program 1 times [2024-10-18 18:32:18,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:18,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882271005] [2024-10-18 18:32:18,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:18,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 18:32:18,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:18,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882271005] [2024-10-18 18:32:18,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882271005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:18,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:18,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 18:32:18,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099906320] [2024-10-18 18:32:18,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:18,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 18:32:18,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:18,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 18:32:18,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 18:32:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:18,978 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:18,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:32:18,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:18,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:19,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:19,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:19,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-18 18:32:19,484 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:19,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:19,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2099647570, now seen corresponding path program 1 times [2024-10-18 18:32:19,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:19,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022621005] [2024-10-18 18:32:19,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:19,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:19,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:19,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022621005] [2024-10-18 18:32:19,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022621005] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:32:19,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454419310] [2024-10-18 18:32:19,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:19,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:32:19,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:32:19,566 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 18:32:19,572 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 18:32:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:19,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-18 18:32:19,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:32:19,789 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:19,790 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:32:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:19,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454419310] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:32:19,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:32:19,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-18 18:32:19,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795960680] [2024-10-18 18:32:19,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:32:19,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 18:32:19,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:19,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 18:32:19,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-18 18:32:19,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:19,843 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:19,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:32:19,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:19,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:19,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:20,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:20,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:20,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:20,035 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 18:32:20,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:32:20,223 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:20,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:20,224 INFO L85 PathProgramCache]: Analyzing trace with hash -2098228978, now seen corresponding path program 1 times [2024-10-18 18:32:20,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:20,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529791908] [2024-10-18 18:32:20,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:20,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:20,366 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 18:32:20,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:20,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529791908] [2024-10-18 18:32:20,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529791908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:20,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:20,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 18:32:20,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094447876] [2024-10-18 18:32:20,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:20,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 18:32:20,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:20,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:32:20,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 18:32:20,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:20,369 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:20,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) 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 18:32:20,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:20,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:20,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:20,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:20,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:20,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:20,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:20,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:20,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-18 18:32:20,549 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:20,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:20,549 INFO L85 PathProgramCache]: Analyzing trace with hash 863964084, now seen corresponding path program 1 times [2024-10-18 18:32:20,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:20,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713606974] [2024-10-18 18:32:20,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:20,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-18 18:32:20,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:20,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713606974] [2024-10-18 18:32:20,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713606974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:20,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:20,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 18:32:20,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715110146] [2024-10-18 18:32:20,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:20,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 18:32:20,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:20,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:32:20,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 18:32:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:20,698 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:20,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:32:20,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:20,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:20,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:20,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:20,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:21,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:21,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-18 18:32:21,483 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:21,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:21,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1735754901, now seen corresponding path program 1 times [2024-10-18 18:32:21,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:21,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353838514] [2024-10-18 18:32:21,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:21,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:21,635 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-18 18:32:21,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:21,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353838514] [2024-10-18 18:32:21,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353838514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:21,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:21,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 18:32:21,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664506254] [2024-10-18 18:32:21,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:21,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 18:32:21,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:21,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 18:32:21,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-18 18:32:21,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:21,637 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:21,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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 18:32:21,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:21,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:21,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:21,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:21,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:21,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:32:22,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-18 18:32:22,210 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:22,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:22,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1765191579, now seen corresponding path program 1 times [2024-10-18 18:32:22,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:22,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841688679] [2024-10-18 18:32:22,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:22,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:32:22,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:22,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841688679] [2024-10-18 18:32:22,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841688679] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:32:22,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099240551] [2024-10-18 18:32:22,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:22,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:32:22,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:32:22,452 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 18:32:22,454 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 18:32:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:22,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-18 18:32:22,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:32:22,739 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 18:32:22,739 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 18:32:22,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099240551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:22,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 18:32:22,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-10-18 18:32:22,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535538561] [2024-10-18 18:32:22,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:22,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 18:32:22,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:22,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 18:32:22,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-18 18:32:22,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:22,742 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:22,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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 18:32:22,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:22,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:22,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:22,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:22,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:22,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:32:22,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:23,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:23,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:23,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:23,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:23,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:23,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:32:23,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:23,159 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 18:32:23,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:32:23,347 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:23,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:23,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1388804586, now seen corresponding path program 1 times [2024-10-18 18:32:23,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:23,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454139369] [2024-10-18 18:32:23,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:23,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:23,528 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 18:32:23,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:23,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454139369] [2024-10-18 18:32:23,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454139369] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:32:23,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160270316] [2024-10-18 18:32:23,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:23,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:32:23,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:32:23,531 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 18:32:23,532 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 18:32:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:23,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 18:32:23,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:32:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 18:32:23,849 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 18:32:23,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160270316] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:23,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 18:32:23,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-10-18 18:32:23,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607228673] [2024-10-18 18:32:23,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:23,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 18:32:23,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:23,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 18:32:23,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-18 18:32:23,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:23,850 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:23,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 6 states have internal predecessors, (76), 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 18:32:23,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:23,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:23,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:23,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:23,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:23,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:32:23,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:23,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:32:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 18:32:24,099 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 18:32:24,279 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,SelfDestructingSolverStorable24 [2024-10-18 18:32:24,280 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:24,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:24,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1335590518, now seen corresponding path program 1 times [2024-10-18 18:32:24,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:24,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404251215] [2024-10-18 18:32:24,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:24,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 18:32:24,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:24,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404251215] [2024-10-18 18:32:24,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404251215] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:24,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:24,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-18 18:32:24,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021122134] [2024-10-18 18:32:24,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:24,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-18 18:32:24,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:24,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-18 18:32:24,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-18 18:32:24,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:24,597 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:24,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 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 18:32:24,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:24,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:24,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:24,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:24,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:24,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:32:24,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:24,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 18:32:24,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:32:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 18:32:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 18:32:25,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-18 18:32:25,223 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:25,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:25,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1919250832, now seen corresponding path program 1 times [2024-10-18 18:32:25,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:25,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354153527] [2024-10-18 18:32:25,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:25,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:25,441 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 18:32:25,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:25,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354153527] [2024-10-18 18:32:25,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354153527] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:25,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:32:25,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 18:32:25,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608016602] [2024-10-18 18:32:25,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:25,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 18:32:25,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:25,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:32:25,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 18:32:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:25,444 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:25,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 18:32:25,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:25,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:25,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:25,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:25,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:25,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:32:25,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:25,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 18:32:25,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 18:32:25,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:27,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:27,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:27,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:27,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:27,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:27,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:32:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 18:32:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 18:32:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:27,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-18 18:32:27,314 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:27,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:27,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1876309150, now seen corresponding path program 1 times [2024-10-18 18:32:27,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:27,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596668474] [2024-10-18 18:32:27,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:27,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:27,471 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 18:32:27,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:27,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596668474] [2024-10-18 18:32:27,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596668474] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:32:27,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860670230] [2024-10-18 18:32:27,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:27,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:32:27,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:32:27,474 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 18:32:27,476 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 18:32:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:27,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-18 18:32:27,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:32:27,770 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 18:32:27,771 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:32:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 18:32:27,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860670230] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:32:27,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:32:27,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-10-18 18:32:27,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935648518] [2024-10-18 18:32:27,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:32:27,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-18 18:32:27,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:27,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-18 18:32:27,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-18 18:32:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:27,843 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:27,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.5) internal successors, (135), 9 states have internal predecessors, (135), 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 18:32:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:32:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 18:32:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 18:32:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:28,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:32:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 18:32:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 18:32:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 18:32:28,309 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 18:32:28,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-18 18:32:28,496 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:32:28,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:32:28,496 INFO L85 PathProgramCache]: Analyzing trace with hash -867158008, now seen corresponding path program 2 times [2024-10-18 18:32:28,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:32:28,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448309222] [2024-10-18 18:32:28,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:28,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:28,731 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 48 proven. 48 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-18 18:32:28,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:32:28,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448309222] [2024-10-18 18:32:28,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448309222] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:32:28,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984974782] [2024-10-18 18:32:28,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 18:32:28,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:32:28,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:32:28,735 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 18:32:28,736 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 18:32:28,987 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-18 18:32:28,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:32:28,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 18:32:28,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:32:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-18 18:32:29,037 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 18:32:29,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984974782] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:32:29,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 18:32:29,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 11 [2024-10-18 18:32:29,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017527263] [2024-10-18 18:32:29,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:32:29,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 18:32:29,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:32:29,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 18:32:29,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-18 18:32:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:29,039 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:32:29,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 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 18:32:29,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:32:29,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:29,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:29,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:29,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:29,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:32:29,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:32:29,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 18:32:29,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 18:32:29,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:32:29,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 18:32:29,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:32:30,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1067688519, now seen corresponding path program 1 times [2024-10-18 18:32:30,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:30,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-10-18 18:32:30,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:30,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:30,996 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-10-18 18:32:30,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:32:30,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 18:32:32,335 INFO L85 PathProgramCache]: Analyzing trace with hash -598632658, now seen corresponding path program 1 times [2024-10-18 18:32:32,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:32,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:32,659 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-18 18:32:32,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:32,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-18 18:32:32,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:32:32,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 18:32:33,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 214 treesize of output 202 [2024-10-18 18:32:33,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1032843417, now seen corresponding path program 1 times [2024-10-18 18:32:33,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:33,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-10-18 18:32:33,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:33,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-10-18 18:32:33,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:32:33,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 18:32:36,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 449 treesize of output 425 [2024-10-18 18:32:36,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1926192097, now seen corresponding path program 1 times [2024-10-18 18:32:36,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:36,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:36,461 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 18:32:36,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:36,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 18:32:36,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:32:36,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-18 18:32:38,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 214 treesize of output 202 [2024-10-18 18:32:38,343 INFO L85 PathProgramCache]: Analyzing trace with hash -487524220, now seen corresponding path program 1 times [2024-10-18 18:32:38,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:38,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-18 18:32:38,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:38,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:38,992 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-18 18:32:39,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 226 treesize of output 214 [2024-10-18 18:32:39,782 INFO L85 PathProgramCache]: Analyzing trace with hash -849511791, now seen corresponding path program 1 times [2024-10-18 18:32:39,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:39,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:40,066 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-18 18:32:40,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:32:40,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:32:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:32:40,422 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-18 18:32:40,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:32:40,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-10-18 18:33:27,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 470 treesize of output 446 [2024-10-18 18:33:27,666 INFO L85 PathProgramCache]: Analyzing trace with hash -2042033555, now seen corresponding path program 1 times [2024-10-18 18:33:27,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:27,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:27,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:28,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 433 treesize of output 409 [2024-10-18 18:33:28,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2047136241, now seen corresponding path program 1 times [2024-10-18 18:33:28,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:28,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:28,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:29,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 381 treesize of output 357 [2024-10-18 18:33:29,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1031518720, now seen corresponding path program 1 times [2024-10-18 18:33:29,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:29,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:29,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:29,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 449 treesize of output 425 [2024-10-18 18:33:29,562 INFO L85 PathProgramCache]: Analyzing trace with hash -850629975, now seen corresponding path program 1 times [2024-10-18 18:33:29,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:29,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:29,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:30,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 772 treesize of output 724 [2024-10-18 18:33:30,051 INFO L85 PathProgramCache]: Analyzing trace with hash 536507342, now seen corresponding path program 1 times [2024-10-18 18:33:30,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:30,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:30,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:30,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 434 treesize of output 410 [2024-10-18 18:33:30,338 INFO L85 PathProgramCache]: Analyzing trace with hash 184776815, now seen corresponding path program 1 times [2024-10-18 18:33:30,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:30,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:30,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:32,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 226 treesize of output 214 [2024-10-18 18:33:32,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1083773979, now seen corresponding path program 1 times [2024-10-18 18:33:32,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:32,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:32,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:33,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 434 treesize of output 410 [2024-10-18 18:33:33,027 INFO L85 PathProgramCache]: Analyzing trace with hash 688353569, now seen corresponding path program 1 times [2024-10-18 18:33:33,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:33,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:33,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:33,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 772 treesize of output 724 [2024-10-18 18:33:33,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1861781780, now seen corresponding path program 1 times [2024-10-18 18:33:33,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:33,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:33,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:34,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 226 treesize of output 214 [2024-10-18 18:33:34,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1831942119, now seen corresponding path program 1 times [2024-10-18 18:33:34,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:34,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:34,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:34,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 390 treesize of output 366 [2024-10-18 18:33:34,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1295206669, now seen corresponding path program 1 times [2024-10-18 18:33:34,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:34,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:34,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:34,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 434 treesize of output 410 [2024-10-18 18:33:34,925 INFO L85 PathProgramCache]: Analyzing trace with hash -849798322, now seen corresponding path program 1 times [2024-10-18 18:33:34,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:34,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:35,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:35,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 433 treesize of output 409 [2024-10-18 18:33:35,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1399718774, now seen corresponding path program 1 times [2024-10-18 18:33:35,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:35,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:35,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:36,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 390 treesize of output 366 [2024-10-18 18:33:36,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1735534947, now seen corresponding path program 1 times [2024-10-18 18:33:36,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:36,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:36,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:36,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 449 treesize of output 425 [2024-10-18 18:33:36,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1398827110, now seen corresponding path program 1 times [2024-10-18 18:33:36,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:36,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:36,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:41,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 434 treesize of output 410 [2024-10-18 18:33:41,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1731029624, now seen corresponding path program 1 times [2024-10-18 18:33:41,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:41,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:41,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:44,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 470 treesize of output 446 [2024-10-18 18:33:44,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1929831083, now seen corresponding path program 1 times [2024-10-18 18:33:44,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:44,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:33:45,120 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:33:45,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:45,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:33:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:33:45,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 214 treesize of output 202 [2024-10-18 18:33:45,720 INFO L85 PathProgramCache]: Analyzing trace with hash -924249697, now seen corresponding path program 1 times [2024-10-18 18:33:45,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:45,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:33:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 18:33:46,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:46,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:33:46,463 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 18:33:46,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 884 treesize of output 836 [2024-10-18 18:33:46,573 INFO L85 PathProgramCache]: Analyzing trace with hash 586056286, now seen corresponding path program 1 times [2024-10-18 18:33:46,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:46,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:33:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-18 18:33:46,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:46,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:33:47,262 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-18 18:33:47,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 449 treesize of output 425 [2024-10-18 18:33:47,451 INFO L85 PathProgramCache]: Analyzing trace with hash -901195019, now seen corresponding path program 1 times [2024-10-18 18:33:47,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:47,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:33:47,775 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-18 18:33:47,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:47,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:33:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-18 18:33:54,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 433 treesize of output 409 [2024-10-18 18:33:54,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1612505066, now seen corresponding path program 1 times [2024-10-18 18:33:54,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:54,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:54,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:55,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 214 treesize of output 202 [2024-10-18 18:33:55,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1054975020, now seen corresponding path program 1 times [2024-10-18 18:33:55,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:55,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:55,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:56,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 381 treesize of output 357 [2024-10-18 18:33:56,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1977330399, now seen corresponding path program 1 times [2024-10-18 18:33:56,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:56,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:56,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:56,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 434 treesize of output 410 [2024-10-18 18:33:56,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1842791192, now seen corresponding path program 1 times [2024-10-18 18:33:56,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:56,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:56,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:56,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 381 treesize of output 357 [2024-10-18 18:33:56,931 INFO L85 PathProgramCache]: Analyzing trace with hash -378997274, now seen corresponding path program 1 times [2024-10-18 18:33:56,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:56,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:57,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:57,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 449 treesize of output 425 [2024-10-18 18:33:57,172 INFO L85 PathProgramCache]: Analyzing trace with hash 851990375, now seen corresponding path program 1 times [2024-10-18 18:33:57,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:57,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:57,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:33:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:33:58,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 214 treesize of output 202 [2024-10-18 18:33:58,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1923600007, now seen corresponding path program 1 times [2024-10-18 18:33:58,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:58,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:33:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:33:59,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:33:59,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:33:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:33:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:34:00,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 470 treesize of output 446 [2024-10-18 18:34:00,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1042200380, now seen corresponding path program 1 times [2024-10-18 18:34:00,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:00,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:01,360 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 18:34:01,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:01,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:01,930 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 18:34:02,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 190 treesize of output 178 [2024-10-18 18:34:02,146 INFO L85 PathProgramCache]: Analyzing trace with hash 666150269, now seen corresponding path program 1 times [2024-10-18 18:34:02,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:02,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:34:02,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:02,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:34:03,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 390 treesize of output 366 [2024-10-18 18:34:03,724 INFO L85 PathProgramCache]: Analyzing trace with hash 872953984, now seen corresponding path program 1 times [2024-10-18 18:34:03,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:03,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:04,319 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 18:34:04,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:04,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:04,928 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 18:34:05,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 190 treesize of output 178 [2024-10-18 18:34:05,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1732104993, now seen corresponding path program 1 times [2024-10-18 18:34:05,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:05,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:06,130 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:34:06,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:06,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:34:06,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 226 treesize of output 214 [2024-10-18 18:34:06,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1898446366, now seen corresponding path program 1 times [2024-10-18 18:34:06,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:06,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:07,099 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:34:07,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:07,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:34:26,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 190 treesize of output 178 [2024-10-18 18:34:26,893 INFO L85 PathProgramCache]: Analyzing trace with hash -576164402, now seen corresponding path program 1 times [2024-10-18 18:34:26,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:26,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:27,365 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:34:27,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:27,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:27,911 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:34:27,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 772 treesize of output 724 [2024-10-18 18:34:27,983 INFO L85 PathProgramCache]: Analyzing trace with hash -943945313, now seen corresponding path program 1 times [2024-10-18 18:34:27,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:27,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:28,423 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 18:34:28,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:28,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:28,840 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 18:34:28,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 433 treesize of output 409 [2024-10-18 18:34:28,891 INFO L85 PathProgramCache]: Analyzing trace with hash -898594432, now seen corresponding path program 1 times [2024-10-18 18:34:28,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:28,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 18:34:29,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:29,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 18:34:29,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 390 treesize of output 366 [2024-10-18 18:34:30,011 INFO L85 PathProgramCache]: Analyzing trace with hash 557389413, now seen corresponding path program 1 times [2024-10-18 18:34:30,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:30,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:30,583 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 4 proven. 49 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 18:34:30,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:30,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 4 proven. 49 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 18:34:31,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 772 treesize of output 724 [2024-10-18 18:34:31,149 INFO L85 PathProgramCache]: Analyzing trace with hash -191983882, now seen corresponding path program 1 times [2024-10-18 18:34:31,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:31,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:31,592 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 49 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-18 18:34:31,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:31,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 49 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-18 18:34:32,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 434 treesize of output 410 [2024-10-18 18:34:32,240 INFO L85 PathProgramCache]: Analyzing trace with hash 181814871, now seen corresponding path program 1 times [2024-10-18 18:34:32,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:32,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:32,782 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 6 proven. 49 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-18 18:34:32,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:32,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:33,237 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 6 proven. 49 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-18 18:34:33,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 449 treesize of output 425 [2024-10-18 18:34:33,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1224951470, now seen corresponding path program 1 times [2024-10-18 18:34:33,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:33,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:33,938 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 4 proven. 49 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-18 18:34:33,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:33,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:34,371 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 4 proven. 49 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-18 18:34:34,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 226 treesize of output 214 [2024-10-18 18:34:34,488 INFO L85 PathProgramCache]: Analyzing trace with hash 351549533, now seen corresponding path program 1 times [2024-10-18 18:34:34,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:34,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:34:35,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:35,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:34:35,454 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:34:35,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 390 treesize of output 366 [2024-10-18 18:34:35,575 INFO L85 PathProgramCache]: Analyzing trace with hash -295644488, now seen corresponding path program 1 times [2024-10-18 18:34:35,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:34:35,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:34:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:34:35,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:34:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:36:20,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 214 treesize of output 202 [2024-10-18 18:36:20,302 INFO L85 PathProgramCache]: Analyzing trace with hash 100522259, now seen corresponding path program 1 times [2024-10-18 18:36:20,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:36:20,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:36:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:36:20,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:36:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:36:20,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 884 treesize of output 836 [2024-10-18 18:36:20,627 INFO L85 PathProgramCache]: Analyzing trace with hash -769651100, now seen corresponding path program 1 times [2024-10-18 18:36:20,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:36:20,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:36:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:36:20,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:36:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:36:21,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 434 treesize of output 410 [2024-10-18 18:36:21,909 INFO L85 PathProgramCache]: Analyzing trace with hash 129346022, now seen corresponding path program 1 times [2024-10-18 18:36:21,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:36:21,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:36:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:36:21,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:36:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:36:22,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 214 treesize of output 202 [2024-10-18 18:36:22,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1118154784, now seen corresponding path program 1 times [2024-10-18 18:36:22,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:36:22,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:36:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:36:22,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:36:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:36:23,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 434 treesize of output 410 [2024-10-18 18:36:23,569 INFO L85 PathProgramCache]: Analyzing trace with hash -406789605, now seen corresponding path program 1 times [2024-10-18 18:36:23,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:36:23,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:36:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:36:23,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:36:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat