./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/25_stack.i --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-ext/25_stack.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 9f07ddd0bf7ae4134116576ef500b9c6d91475d3c23175717b2cac1146eab3b3 --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 13:53:22,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 13:53:22,600 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 13:53:22,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 13:53:22,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 13:53:22,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 13:53:22,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 13:53:22,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 13:53:22,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 13:53:22,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 13:53:22,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 13:53:22,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 13:53:22,643 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 13:53:22,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 13:53:22,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 13:53:22,644 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 13:53:22,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 13:53:22,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 13:53:22,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 13:53:22,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 13:53:22,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 13:53:22,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 13:53:22,645 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 13:53:22,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 13:53:22,645 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 13:53:22,645 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 13:53:22,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 13:53:22,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 13:53:22,645 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 13:53:22,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 13:53:22,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 13:53:22,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 13:53:22,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 13:53:22,646 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 13:53:22,647 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 13:53:22,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 13:53:22,647 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 13:53:22,647 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 13:53:22,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 13:53:22,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 13:53:22,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 13:53:22,647 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 13:53:22,647 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 13:53:22,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-jdk21/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 -> 9f07ddd0bf7ae4134116576ef500b9c6d91475d3c23175717b2cac1146eab3b3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 13:53:22,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 13:53:22,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 13:53:22,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 13:53:22,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 13:53:22,992 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 13:53:22,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-ext/25_stack.i [2024-11-21 13:53:24,351 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/c05f341d2/0bea5021648348f1a1d2e1638e86d0b2/FLAG62324643f [2024-11-21 13:53:24,644 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 13:53:24,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack.i [2024-11-21 13:53:24,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/c05f341d2/0bea5021648348f1a1d2e1638e86d0b2/FLAG62324643f [2024-11-21 13:53:24,681 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/c05f341d2/0bea5021648348f1a1d2e1638e86d0b2 [2024-11-21 13:53:24,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 13:53:24,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 13:53:24,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 13:53:24,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 13:53:24,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 13:53:24,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:53:24" (1/1) ... [2024-11-21 13:53:24,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46dde92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:24, skipping insertion in model container [2024-11-21 13:53:24,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:53:24" (1/1) ... [2024-11-21 13:53:24,727 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 13:53:25,063 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack.i[31336,31349] [2024-11-21 13:53:25,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 13:53:25,111 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 13:53:25,166 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack.i[31336,31349] [2024-11-21 13:53:25,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 13:53:25,209 INFO L204 MainTranslator]: Completed translation [2024-11-21 13:53:25,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25 WrapperNode [2024-11-21 13:53:25,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 13:53:25,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 13:53:25,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 13:53:25,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 13:53:25,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25" (1/1) ... [2024-11-21 13:53:25,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25" (1/1) ... [2024-11-21 13:53:25,263 INFO L138 Inliner]: procedures = 171, calls = 35, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 195 [2024-11-21 13:53:25,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 13:53:25,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 13:53:25,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 13:53:25,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 13:53:25,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25" (1/1) ... [2024-11-21 13:53:25,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25" (1/1) ... [2024-11-21 13:53:25,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25" (1/1) ... [2024-11-21 13:53:25,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25" (1/1) ... [2024-11-21 13:53:25,289 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25" (1/1) ... [2024-11-21 13:53:25,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25" (1/1) ... [2024-11-21 13:53:25,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25" (1/1) ... [2024-11-21 13:53:25,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25" (1/1) ... [2024-11-21 13:53:25,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25" (1/1) ... [2024-11-21 13:53:25,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 13:53:25,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 13:53:25,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 13:53:25,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 13:53:25,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25" (1/1) ... [2024-11-21 13:53:25,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 13:53:25,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 13:53:25,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 13:53:25,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 13:53:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-21 13:53:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-21 13:53:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-21 13:53:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 13:53:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 13:53:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 13:53:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 13:53:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-21 13:53:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 13:53:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 13:53:25,363 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 13:53:25,463 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 13:53:25,464 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 13:53:25,764 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 13:53:25,764 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 13:53:26,113 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 13:53:26,113 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-21 13:53:26,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:53:26 BoogieIcfgContainer [2024-11-21 13:53:26,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 13:53:26,116 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 13:53:26,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 13:53:26,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 13:53:26,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:53:24" (1/3) ... [2024-11-21 13:53:26,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c31126b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:53:26, skipping insertion in model container [2024-11-21 13:53:26,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:53:25" (2/3) ... [2024-11-21 13:53:26,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c31126b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:53:26, skipping insertion in model container [2024-11-21 13:53:26,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:53:26" (3/3) ... [2024-11-21 13:53:26,124 INFO L128 eAbstractionObserver]: Analyzing ICFG 25_stack.i [2024-11-21 13:53:26,137 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 13:53:26,141 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 25_stack.i that has 2 procedures, 31 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-21 13:53:26,141 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 13:53:26,204 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-21 13:53:26,249 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 13:53:26,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 13:53:26,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 13:53:26,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 13:53:26,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 13:53:26,319 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 13:53:26,332 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-11-21 13:53:26,339 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;@1bae20af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 13:53:26,339 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 13:53:26,850 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:26,850 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:26,850 INFO L139 ounterexampleChecker]: Examining path program with hash 2074807087, occurence #1 [2024-11-21 13:53:26,850 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:26,850 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:26,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:26,855 INFO L85 PathProgramCache]: Analyzing trace with hash -46723740, now seen corresponding path program 1 times [2024-11-21 13:53:26,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:26,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116860318] [2024-11-21 13:53:26,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:26,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:27,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:27,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116860318] [2024-11-21 13:53:27,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116860318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:27,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:27,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 13:53:27,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125353302] [2024-11-21 13:53:27,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:27,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 13:53:27,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:27,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 13:53:27,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 13:53:27,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:27,813 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:27,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 13:53:27,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:27,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 13:53:27,892 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:27,892 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:27,893 INFO L139 ounterexampleChecker]: Examining path program with hash -469426075, occurence #1 [2024-11-21 13:53:27,893 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:27,893 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:27,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:27,895 INFO L85 PathProgramCache]: Analyzing trace with hash 870332613, now seen corresponding path program 1 times [2024-11-21 13:53:27,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:27,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533792862] [2024-11-21 13:53:27,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:27,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:28,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:28,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:28,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533792862] [2024-11-21 13:53:28,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533792862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:28,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:28,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 13:53:28,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367449602] [2024-11-21 13:53:28,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:28,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 13:53:28,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:28,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 13:53:28,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-21 13:53:28,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:28,373 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:28,373 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) [2024-11-21 13:53:28,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:28,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:28,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:28,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:28,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 13:53:28,557 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:28,558 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:28,558 INFO L139 ounterexampleChecker]: Examining path program with hash 1930447805, occurence #1 [2024-11-21 13:53:28,558 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:28,558 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:28,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:28,560 INFO L85 PathProgramCache]: Analyzing trace with hash -731057294, now seen corresponding path program 1 times [2024-11-21 13:53:28,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:28,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131593732] [2024-11-21 13:53:28,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:28,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:29,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:29,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:29,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131593732] [2024-11-21 13:53:29,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131593732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:29,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:29,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-21 13:53:29,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126670430] [2024-11-21 13:53:29,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:29,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-21 13:53:29,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:29,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-21 13:53:29,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-21 13:53:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:29,250 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:29,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.125) 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) [2024-11-21 13:53:29,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:29,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:29,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:30,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:30,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:30,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 13:53:30,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 13:53:30,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-21 13:53:30,103 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-21 13:53:30,104 INFO L319 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2024-11-21 13:53:30,108 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 13:53:30,111 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 13:53:30,111 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 13:53:30,111 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;@1bae20af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 13:53:30,111 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 13:53:30,123 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:30,124 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:30,125 INFO L139 ounterexampleChecker]: Examining path program with hash 2014796517, occurence #1 [2024-11-21 13:53:30,125 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:30,125 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:30,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:30,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1951826725, now seen corresponding path program 1 times [2024-11-21 13:53:30,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:30,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668561188] [2024-11-21 13:53:30,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:30,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:30,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:30,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668561188] [2024-11-21 13:53:30,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668561188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:30,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:30,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 13:53:30,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764225778] [2024-11-21 13:53:30,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:30,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 13:53:30,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:30,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 13:53:30,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 13:53:30,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:30,389 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:30,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 13:53:30,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:30,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:30,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-21 13:53:30,421 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:30,421 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:30,421 INFO L139 ounterexampleChecker]: Examining path program with hash 377799688, occurence #1 [2024-11-21 13:53:30,421 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:30,421 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:30,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:30,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1128967172, now seen corresponding path program 1 times [2024-11-21 13:53:30,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:30,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649497837] [2024-11-21 13:53:30,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:30,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:30,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:30,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:30,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649497837] [2024-11-21 13:53:30,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649497837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:30,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:30,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 13:53:30,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437121157] [2024-11-21 13:53:30,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:30,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 13:53:30,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:30,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 13:53:30,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-21 13:53:30,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:30,772 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:30,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 13:53:30,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:30,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:30,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:30,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:30,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-21 13:53:30,841 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:30,841 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:30,842 INFO L139 ounterexampleChecker]: Examining path program with hash -1326428168, occurence #1 [2024-11-21 13:53:30,842 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:30,842 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:30,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:30,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1828591465, now seen corresponding path program 1 times [2024-11-21 13:53:30,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:30,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879835012] [2024-11-21 13:53:30,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:30,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:31,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:31,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879835012] [2024-11-21 13:53:31,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879835012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:31,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:31,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-21 13:53:31,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416511711] [2024-11-21 13:53:31,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:31,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-21 13:53:31,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:31,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-21 13:53:31,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-21 13:53:31,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:31,309 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:31,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 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) [2024-11-21 13:53:31,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:31,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:31,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:31,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:31,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:31,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 13:53:31,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-21 13:53:31,439 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:31,439 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:31,439 INFO L139 ounterexampleChecker]: Examining path program with hash 1648381218, occurence #1 [2024-11-21 13:53:31,439 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:31,439 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:31,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:31,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1828592426, now seen corresponding path program 1 times [2024-11-21 13:53:31,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:31,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482118144] [2024-11-21 13:53:31,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:31,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 13:53:31,682 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-21 13:53:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 13:53:31,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-21 13:53:31,736 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-21 13:53:31,736 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-11-21 13:53:31,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-21 13:53:31,737 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-21 13:53:31,738 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2024-11-21 13:53:31,738 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-21 13:53:31,738 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-21 13:53:31,778 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-21 13:53:31,782 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 13:53:31,793 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 13:53:31,795 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 13:53:31,795 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;@1bae20af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 13:53:31,795 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 13:53:32,531 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:32,533 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:32,533 INFO L139 ounterexampleChecker]: Examining path program with hash -235855373, occurence #1 [2024-11-21 13:53:32,533 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:32,533 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:32,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:32,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1183505611, now seen corresponding path program 1 times [2024-11-21 13:53:32,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:32,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014236427] [2024-11-21 13:53:32,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:32,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:32,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:32,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:32,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014236427] [2024-11-21 13:53:32,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014236427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:32,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:32,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 13:53:32,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862427337] [2024-11-21 13:53:32,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:32,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 13:53:32,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:32,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 13:53:32,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 13:53:32,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:32,851 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:32,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 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) [2024-11-21 13:53:32,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:32,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:32,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-21 13:53:32,949 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:32,949 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:32,949 INFO L139 ounterexampleChecker]: Examining path program with hash -382370218, occurence #1 [2024-11-21 13:53:32,949 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:32,949 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:32,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:32,950 INFO L85 PathProgramCache]: Analyzing trace with hash -445608332, now seen corresponding path program 1 times [2024-11-21 13:53:32,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:32,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033312254] [2024-11-21 13:53:32,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:32,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:33,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:33,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033312254] [2024-11-21 13:53:33,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033312254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:33,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:33,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 13:53:33,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929271914] [2024-11-21 13:53:33,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:33,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 13:53:33,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:33,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 13:53:33,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-21 13:53:33,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:33,269 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:33,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) 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) [2024-11-21 13:53:33,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:33,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:33,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:33,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:33,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-21 13:53:33,522 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:33,523 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:33,523 INFO L139 ounterexampleChecker]: Examining path program with hash 1685172059, occurence #1 [2024-11-21 13:53:33,523 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:33,523 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:33,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:33,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1331924579, now seen corresponding path program 1 times [2024-11-21 13:53:33,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:33,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585075295] [2024-11-21 13:53:33,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:33,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:33,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:33,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:33,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585075295] [2024-11-21 13:53:33,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585075295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:33,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:33,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 13:53:33,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306466324] [2024-11-21 13:53:33,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:33,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 13:53:33,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:33,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 13:53:33,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 13:53:33,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:33,752 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:33,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 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) [2024-11-21 13:53:33,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:33,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:33,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:33,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:33,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:33,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:33,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-21 13:53:33,852 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:33,852 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:33,852 INFO L139 ounterexampleChecker]: Examining path program with hash 980164119, occurence #1 [2024-11-21 13:53:33,852 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:33,852 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:33,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:33,854 INFO L85 PathProgramCache]: Analyzing trace with hash -2140183164, now seen corresponding path program 1 times [2024-11-21 13:53:33,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:33,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980839172] [2024-11-21 13:53:33,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:33,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:34,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:34,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980839172] [2024-11-21 13:53:34,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980839172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:34,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:34,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 13:53:34,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007408216] [2024-11-21 13:53:34,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:34,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 13:53:34,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:34,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 13:53:34,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 13:53:34,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:34,162 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:34,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-11-21 13:53:34,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:34,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:34,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:34,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:34,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:34,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:34,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:34,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-21 13:53:34,278 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:34,278 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:34,279 INFO L139 ounterexampleChecker]: Examining path program with hash -1447702260, occurence #1 [2024-11-21 13:53:34,279 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:34,279 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:34,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:34,279 INFO L85 PathProgramCache]: Analyzing trace with hash -2140182203, now seen corresponding path program 1 times [2024-11-21 13:53:34,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:34,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372039915] [2024-11-21 13:53:34,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:34,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:34,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:34,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372039915] [2024-11-21 13:53:34,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372039915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:34,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:34,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 13:53:34,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100597670] [2024-11-21 13:53:34,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:34,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 13:53:34,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:34,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 13:53:34,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-21 13:53:34,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:34,602 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:34,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 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) [2024-11-21 13:53:34,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:34,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:34,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:34,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:34,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:34,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:34,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:34,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:34,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:34,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:34,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-21 13:53:34,813 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:34,813 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:34,813 INFO L139 ounterexampleChecker]: Examining path program with hash -1125645974, occurence #1 [2024-11-21 13:53:34,813 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:34,813 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:34,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:34,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1367187896, now seen corresponding path program 1 times [2024-11-21 13:53:34,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:34,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921731883] [2024-11-21 13:53:34,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:34,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:35,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:35,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:35,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921731883] [2024-11-21 13:53:35,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921731883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:35,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:35,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-21 13:53:35,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64591295] [2024-11-21 13:53:35,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:35,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-21 13:53:35,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:35,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-21 13:53:35,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-21 13:53:35,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:35,295 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:35,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 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) [2024-11-21 13:53:35,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:35,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:35,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:35,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:35,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:35,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:35,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:35,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:35,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:35,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:35,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:35,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 13:53:35,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-21 13:53:35,720 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:35,720 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:35,720 INFO L139 ounterexampleChecker]: Examining path program with hash 475783848, occurence #1 [2024-11-21 13:53:35,720 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:35,720 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:35,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:35,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1621203948, now seen corresponding path program 1 times [2024-11-21 13:53:35,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:35,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337582052] [2024-11-21 13:53:35,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:35,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:35,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:35,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337582052] [2024-11-21 13:53:35,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337582052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:35,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:35,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 13:53:35,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220115556] [2024-11-21 13:53:35,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:35,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 13:53:35,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:35,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 13:53:35,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 13:53:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:35,969 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:35,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 13:53:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 13:53:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:36,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:36,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:36,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:36,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 13:53:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-21 13:53:36,116 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:36,116 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:36,116 INFO L139 ounterexampleChecker]: Examining path program with hash -597502308, occurence #1 [2024-11-21 13:53:36,116 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:36,116 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:36,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:36,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1327800941, now seen corresponding path program 1 times [2024-11-21 13:53:36,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:36,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235024529] [2024-11-21 13:53:36,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:36,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:36,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:36,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235024529] [2024-11-21 13:53:36,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235024529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:36,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:36,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 13:53:36,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942024075] [2024-11-21 13:53:36,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:36,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 13:53:36,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:36,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 13:53:36,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-21 13:53:36,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:36,408 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:36,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-21 13:53:36,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:36,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:36,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:36,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 13:53:36,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 13:53:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-21 13:53:36,566 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:36,566 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:36,566 INFO L139 ounterexampleChecker]: Examining path program with hash 1587260322, occurence #1 [2024-11-21 13:53:36,566 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:36,566 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:36,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:36,567 INFO L85 PathProgramCache]: Analyzing trace with hash 696062879, now seen corresponding path program 1 times [2024-11-21 13:53:36,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:36,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324095199] [2024-11-21 13:53:36,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:36,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:36,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:36,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:36,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324095199] [2024-11-21 13:53:36,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324095199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:36,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:36,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 13:53:36,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398030692] [2024-11-21 13:53:36,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:36,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 13:53:36,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:36,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 13:53:36,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-21 13:53:36,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:36,886 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:36,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 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) [2024-11-21 13:53:36,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:36,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:36,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:36,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 13:53:36,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:36,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:37,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:37,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:37,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 13:53:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:37,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-21 13:53:37,140 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:37,141 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:37,141 INFO L139 ounterexampleChecker]: Examining path program with hash -1040110018, occurence #1 [2024-11-21 13:53:37,141 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:37,141 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:37,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:37,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1599704836, now seen corresponding path program 1 times [2024-11-21 13:53:37,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:37,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714679024] [2024-11-21 13:53:37,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:37,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:37,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:37,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714679024] [2024-11-21 13:53:37,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714679024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:37,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:37,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 13:53:37,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881344243] [2024-11-21 13:53:37,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:37,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 13:53:37,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:37,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 13:53:37,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 13:53:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:37,541 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:37,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 13:53:37,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:37,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:37,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:37,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:37,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:37,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 13:53:37,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:37,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:37,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:37,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 13:53:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:37,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-21 13:53:37,648 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:53:37,648 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:37,648 INFO L139 ounterexampleChecker]: Examining path program with hash 1211621199, occurence #1 [2024-11-21 13:53:37,648 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:37,648 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:37,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:37,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1599703875, now seen corresponding path program 1 times [2024-11-21 13:53:37,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:37,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507691697] [2024-11-21 13:53:37,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:37,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 13:53:37,887 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-21 13:53:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 13:53:37,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-21 13:53:37,956 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-21 13:53:37,956 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-11-21 13:53:37,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-21 13:53:37,958 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 13:53:37,959 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2024-11-21 13:53:37,959 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-21 13:53:37,960 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-21 13:53:37,994 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-21 13:53:37,997 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 13:53:38,009 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 13:53:38,010 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2024-11-21 13:53:38,010 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;@1bae20af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 13:53:38,011 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 13:53:39,393 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:39,393 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:39,393 INFO L139 ounterexampleChecker]: Examining path program with hash 1548681030, occurence #1 [2024-11-21 13:53:39,394 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:39,394 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:39,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:39,394 INFO L85 PathProgramCache]: Analyzing trace with hash -2022231095, now seen corresponding path program 1 times [2024-11-21 13:53:39,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:39,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238436711] [2024-11-21 13:53:39,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:39,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:39,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:39,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:39,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238436711] [2024-11-21 13:53:39,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238436711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:39,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:39,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 13:53:39,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525952602] [2024-11-21 13:53:39,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:39,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 13:53:39,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:39,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 13:53:39,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 13:53:39,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:39,677 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:39,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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) [2024-11-21 13:53:39,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:39,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:39,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-21 13:53:39,790 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:39,790 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:39,790 INFO L139 ounterexampleChecker]: Examining path program with hash -35933062, occurence #1 [2024-11-21 13:53:39,791 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:39,791 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:39,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:39,792 INFO L85 PathProgramCache]: Analyzing trace with hash -901394838, now seen corresponding path program 1 times [2024-11-21 13:53:39,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:39,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771300634] [2024-11-21 13:53:39,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:39,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:40,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:40,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771300634] [2024-11-21 13:53:40,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771300634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:40,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:40,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 13:53:40,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242435120] [2024-11-21 13:53:40,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:40,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 13:53:40,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:40,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 13:53:40,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-21 13:53:40,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:40,071 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:40,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-21 13:53:40,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:40,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:40,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-21 13:53:40,451 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:40,451 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:40,451 INFO L139 ounterexampleChecker]: Examining path program with hash 1936576389, occurence #1 [2024-11-21 13:53:40,451 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:40,451 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:40,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:40,451 INFO L85 PathProgramCache]: Analyzing trace with hash -114619578, now seen corresponding path program 1 times [2024-11-21 13:53:40,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:40,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779956008] [2024-11-21 13:53:40,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:40,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:40,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:40,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:40,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779956008] [2024-11-21 13:53:40,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779956008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:40,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:40,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 13:53:40,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653832230] [2024-11-21 13:53:40,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:40,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 13:53:40,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:40,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 13:53:40,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 13:53:40,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:40,685 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:40,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 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) [2024-11-21 13:53:40,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:40,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:40,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:40,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:40,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:40,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:40,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-21 13:53:40,802 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:40,802 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:40,802 INFO L139 ounterexampleChecker]: Examining path program with hash -810574737, occurence #1 [2024-11-21 13:53:40,802 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:40,802 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:40,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:40,803 INFO L85 PathProgramCache]: Analyzing trace with hash 2067151429, now seen corresponding path program 1 times [2024-11-21 13:53:40,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:40,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476819199] [2024-11-21 13:53:40,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:40,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:41,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:41,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:41,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476819199] [2024-11-21 13:53:41,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476819199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:41,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:41,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 13:53:41,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989165633] [2024-11-21 13:53:41,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:41,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 13:53:41,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:41,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 13:53:41,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 13:53:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:41,160 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:41,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-11-21 13:53:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:41,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:41,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:41,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:41,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-21 13:53:41,502 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:41,502 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:41,502 INFO L139 ounterexampleChecker]: Examining path program with hash 731653971, occurence #1 [2024-11-21 13:53:41,502 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:41,502 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:41,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:41,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1678664685, now seen corresponding path program 1 times [2024-11-21 13:53:41,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:41,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778046610] [2024-11-21 13:53:41,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:41,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:41,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:41,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:41,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778046610] [2024-11-21 13:53:41,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778046610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:41,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:41,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 13:53:41,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028912820] [2024-11-21 13:53:41,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:41,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 13:53:41,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:41,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 13:53:41,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 13:53:41,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:41,829 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:41,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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) [2024-11-21 13:53:41,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:41,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:41,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:41,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:41,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-21 13:53:42,217 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:42,217 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:42,217 INFO L139 ounterexampleChecker]: Examining path program with hash 516654166, occurence #1 [2024-11-21 13:53:42,217 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:42,217 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:42,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:42,217 INFO L85 PathProgramCache]: Analyzing trace with hash -794090939, now seen corresponding path program 1 times [2024-11-21 13:53:42,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:42,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767733672] [2024-11-21 13:53:42,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:42,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:42,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:42,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767733672] [2024-11-21 13:53:42,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767733672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:42,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:42,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 13:53:42,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647827803] [2024-11-21 13:53:42,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:42,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 13:53:42,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:42,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 13:53:42,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-21 13:53:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:42,472 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:42,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 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) [2024-11-21 13:53:42,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:42,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:42,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-21 13:53:42,610 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:42,610 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:42,610 INFO L139 ounterexampleChecker]: Examining path program with hash -596157228, occurence #1 [2024-11-21 13:53:42,610 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:42,610 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:42,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:42,611 INFO L85 PathProgramCache]: Analyzing trace with hash -2143408252, now seen corresponding path program 2 times [2024-11-21 13:53:42,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:42,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633700253] [2024-11-21 13:53:42,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:42,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:42,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:42,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633700253] [2024-11-21 13:53:42,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633700253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:42,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:42,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 13:53:42,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998132] [2024-11-21 13:53:42,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:42,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 13:53:42,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:42,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 13:53:42,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-21 13:53:42,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:42,932 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:42,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 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) [2024-11-21 13:53:42,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:42,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:42,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:42,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:43,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:43,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:43,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:43,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:43,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:43,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:43,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:43,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-21 13:53:43,342 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:43,342 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:43,342 INFO L139 ounterexampleChecker]: Examining path program with hash -1174105883, occurence #1 [2024-11-21 13:53:43,342 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:43,342 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:43,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:43,343 INFO L85 PathProgramCache]: Analyzing trace with hash 963651480, now seen corresponding path program 1 times [2024-11-21 13:53:43,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:43,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105440587] [2024-11-21 13:53:43,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:43,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:43,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:43,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:43,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105440587] [2024-11-21 13:53:43,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105440587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:43,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:43,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 13:53:43,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013758605] [2024-11-21 13:53:43,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:43,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 13:53:43,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:43,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 13:53:43,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-21 13:53:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:43,590 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:43,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-11-21 13:53:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:43,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:43,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:43,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:43,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:43,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:43,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:43,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:43,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-21 13:53:43,729 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:43,729 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:43,729 INFO L139 ounterexampleChecker]: Examining path program with hash -1121255232, occurence #1 [2024-11-21 13:53:43,729 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:43,729 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:43,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:43,730 INFO L85 PathProgramCache]: Analyzing trace with hash -900730665, now seen corresponding path program 1 times [2024-11-21 13:53:43,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:43,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971461448] [2024-11-21 13:53:43,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:43,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:44,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:44,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971461448] [2024-11-21 13:53:44,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971461448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:44,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:44,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-21 13:53:44,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388210235] [2024-11-21 13:53:44,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:44,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 13:53:44,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:44,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 13:53:44,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-21 13:53:44,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:44,063 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:44,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) 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) [2024-11-21 13:53:44,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:44,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:44,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:44,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:44,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:44,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:44,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:44,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:44,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:44,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:44,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:44,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:44,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-21 13:53:44,306 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:44,306 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:44,306 INFO L139 ounterexampleChecker]: Examining path program with hash -624009606, occurence #1 [2024-11-21 13:53:44,306 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:44,306 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:44,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:44,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1104683474, now seen corresponding path program 1 times [2024-11-21 13:53:44,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:44,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366152734] [2024-11-21 13:53:44,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:44,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:44,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:44,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366152734] [2024-11-21 13:53:44,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366152734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:44,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:44,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-21 13:53:44,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630166639] [2024-11-21 13:53:44,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:44,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-21 13:53:44,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:44,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-21 13:53:44,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-21 13:53:44,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:44,753 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:44,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 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) [2024-11-21 13:53:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:45,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:45,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:45,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:45,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:45,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:45,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:45,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:45,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:45,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:45,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 13:53:45,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-21 13:53:45,274 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:45,275 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:45,275 INFO L139 ounterexampleChecker]: Examining path program with hash 1189011826, occurence #1 [2024-11-21 13:53:45,275 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:45,275 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:45,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:45,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1928119274, now seen corresponding path program 1 times [2024-11-21 13:53:45,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:45,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093802964] [2024-11-21 13:53:45,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:45,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:45,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:45,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:45,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093802964] [2024-11-21 13:53:45,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093802964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:45,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:45,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 13:53:45,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314673859] [2024-11-21 13:53:45,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:45,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 13:53:45,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:45,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 13:53:45,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 13:53:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:45,641 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:45,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-21 13:53:45,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:45,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:45,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:45,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:45,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:45,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:45,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:45,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:45,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:45,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 13:53:45,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:46,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:46,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:46,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:46,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:46,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:46,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:46,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:46,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:46,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:46,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:53:46,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:46,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-21 13:53:46,879 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:46,879 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:46,880 INFO L139 ounterexampleChecker]: Examining path program with hash 1828544511, occurence #1 [2024-11-21 13:53:46,880 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:46,880 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:46,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:46,880 INFO L85 PathProgramCache]: Analyzing trace with hash -988544451, now seen corresponding path program 1 times [2024-11-21 13:53:46,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:46,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187180897] [2024-11-21 13:53:46,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:46,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:47,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:47,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187180897] [2024-11-21 13:53:47,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187180897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:47,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:47,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 13:53:47,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434928175] [2024-11-21 13:53:47,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:47,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 13:53:47,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:47,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 13:53:47,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-21 13:53:47,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:47,139 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:47,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 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) [2024-11-21 13:53:47,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:47,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:47,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:47,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:47,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:47,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:53:47,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:53:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:47,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-21 13:53:47,532 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:47,532 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:47,532 INFO L139 ounterexampleChecker]: Examining path program with hash 270668900, occurence #1 [2024-11-21 13:53:47,532 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:47,532 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:47,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:47,533 INFO L85 PathProgramCache]: Analyzing trace with hash -383906948, now seen corresponding path program 2 times [2024-11-21 13:53:47,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:47,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034905838] [2024-11-21 13:53:47,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:47,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-21 13:53:47,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:47,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034905838] [2024-11-21 13:53:47,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034905838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:47,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:47,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-21 13:53:47,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943921789] [2024-11-21 13:53:47,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:47,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 13:53:47,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:47,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 13:53:47,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 13:53:47,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:47,839 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:47,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 6 states have internal predecessors, (121), 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) [2024-11-21 13:53:47,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:47,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:47,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:47,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:47,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:47,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:53:47,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:47,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:47,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:53:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:48,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:48,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-21 13:53:48,016 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:48,016 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:48,016 INFO L139 ounterexampleChecker]: Examining path program with hash 2014763710, occurence #1 [2024-11-21 13:53:48,016 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:48,016 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:48,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:48,017 INFO L85 PathProgramCache]: Analyzing trace with hash 2106994509, now seen corresponding path program 1 times [2024-11-21 13:53:48,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:48,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981575391] [2024-11-21 13:53:48,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:48,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:48,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:53:48,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:48,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981575391] [2024-11-21 13:53:48,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981575391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:48,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:48,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-21 13:53:48,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583411420] [2024-11-21 13:53:48,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:48,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 13:53:48,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:48,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 13:53:48,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-21 13:53:48,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:48,492 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:48,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 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) [2024-11-21 13:53:48,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:48,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:48,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:48,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:48,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:48,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:48,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:48,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:48,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:48,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:53:48,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:48,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:48,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:48,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:57,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:57,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:57,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:57,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:57,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:57,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:57,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:57,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:57,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:57,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:53:57,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:57,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:57,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:57,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 13:53:57,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-21 13:53:57,420 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:53:57,420 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:53:57,421 INFO L139 ounterexampleChecker]: Examining path program with hash -19342397, occurence #1 [2024-11-21 13:53:57,421 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:53:57,421 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:53:57,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:53:57,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1665597323, now seen corresponding path program 1 times [2024-11-21 13:53:57,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:53:57,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064593523] [2024-11-21 13:53:57,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:53:57,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:53:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:53:57,940 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-21 13:53:57,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:53:57,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064593523] [2024-11-21 13:53:57,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064593523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:53:57,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:53:57,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 13:53:57,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704522178] [2024-11-21 13:53:57,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:53:57,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 13:53:57,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:53:57,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 13:53:57,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 13:53:57,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:53:57,943 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:53:57,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 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) [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 13:53:57,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 13:54:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:05,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-21 13:54:05,589 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:54:05,589 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:54:05,589 INFO L139 ounterexampleChecker]: Examining path program with hash 2059871792, occurence #1 [2024-11-21 13:54:05,589 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:54:05,589 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:54:05,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:54:05,590 INFO L85 PathProgramCache]: Analyzing trace with hash 72858283, now seen corresponding path program 1 times [2024-11-21 13:54:05,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:54:05,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690271421] [2024-11-21 13:54:05,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:54:05,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:54:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:54:06,180 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2024-11-21 13:54:06,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:54:06,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690271421] [2024-11-21 13:54:06,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690271421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:54:06,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:54:06,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 13:54:06,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584019797] [2024-11-21 13:54:06,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:54:06,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 13:54:06,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:54:06,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 13:54:06,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 13:54:06,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:54:06,183 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:54:06,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2024-11-21 13:54:06,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:06,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:06,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:06,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:06,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:06,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:06,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:06,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:06,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:06,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:54:06,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:06,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:06,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:06,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 13:54:06,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:06,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:09,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-21 13:54:09,875 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:54:09,875 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:54:09,875 INFO L139 ounterexampleChecker]: Examining path program with hash 1452391813, occurence #1 [2024-11-21 13:54:09,875 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:54:09,875 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:54:09,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:54:09,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1801107197, now seen corresponding path program 1 times [2024-11-21 13:54:09,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:54:09,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075235831] [2024-11-21 13:54:09,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:54:09,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:54:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:54:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2024-11-21 13:54:10,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:54:10,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075235831] [2024-11-21 13:54:10,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075235831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:54:10,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:54:10,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 13:54:10,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769116292] [2024-11-21 13:54:10,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:54:10,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 13:54:10,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:54:10,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 13:54:10,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 13:54:10,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:54:10,178 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:54:10,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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) [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:10,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:54:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:54:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:22,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 13:54:22,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:22,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:22,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:22,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-21 13:54:22,595 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:54:22,595 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:54:22,595 INFO L139 ounterexampleChecker]: Examining path program with hash 630858020, occurence #1 [2024-11-21 13:54:22,595 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:54:22,595 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:54:22,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:54:22,596 INFO L85 PathProgramCache]: Analyzing trace with hash 958022926, now seen corresponding path program 1 times [2024-11-21 13:54:22,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:54:22,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953034354] [2024-11-21 13:54:22,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:54:22,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:54:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:54:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-21 13:54:23,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:54:23,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953034354] [2024-11-21 13:54:23,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953034354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 13:54:23,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331328051] [2024-11-21 13:54:23,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:54:23,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 13:54:23,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 13:54:23,563 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 13:54:23,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 13:54:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:54:24,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 13:54:24,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 13:54:24,571 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-21 13:54:24,575 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 13:54:25,290 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-21 13:54:25,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331328051] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 13:54:25,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 13:54:25,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-21 13:54:25,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365698524] [2024-11-21 13:54:25,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 13:54:25,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-21 13:54:25,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:54:25,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-21 13:54:25,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2024-11-21 13:54:25,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:54:25,294 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:54:25,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 15.771428571428572) internal successors, (552), 34 states have internal predecessors, (552), 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) [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:25,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:54:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:54:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:37,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:37,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:37,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 13:54:37,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:37,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:37,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:37,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 13:54:37,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 13:54:37,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-21 13:54:37,376 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:54:37,376 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:54:37,376 INFO L139 ounterexampleChecker]: Examining path program with hash 262736131, occurence #1 [2024-11-21 13:54:37,376 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:54:37,377 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:54:37,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:54:37,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1155034336, now seen corresponding path program 2 times [2024-11-21 13:54:37,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:54:37,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475358097] [2024-11-21 13:54:37,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:54:37,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:54:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:54:40,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 1868 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-21 13:54:40,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:54:40,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475358097] [2024-11-21 13:54:40,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475358097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:54:40,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:54:40,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2024-11-21 13:54:40,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952521289] [2024-11-21 13:54:40,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:54:40,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-21 13:54:40,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:54:40,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-21 13:54:40,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=905, Invalid=987, Unknown=0, NotChecked=0, Total=1892 [2024-11-21 13:54:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:54:40,247 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:54:40,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 15.613636363636363) internal successors, (687), 43 states have internal predecessors, (687), 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) [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:40,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:40,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 13:54:40,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 13:54:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 13:54:53,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-21 13:54:53,245 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 13:54:53,245 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:54:53,245 INFO L139 ounterexampleChecker]: Examining path program with hash 187753529, occurence #1 [2024-11-21 13:54:53,245 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:54:53,245 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:54:53,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:54:53,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1755232465, now seen corresponding path program 3 times [2024-11-21 13:54:53,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:54:53,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938612057] [2024-11-21 13:54:53,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:54:53,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:54:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:54:54,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1479 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2024-11-21 13:54:54,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:54:54,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938612057] [2024-11-21 13:54:54,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938612057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:54:54,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:54:54,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 13:54:54,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781521261] [2024-11-21 13:54:54,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:54:54,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 13:54:54,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:54:54,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 13:54:54,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 13:54:54,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:54:54,084 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:54:54,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 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) [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 13:54:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.