./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ccb4b384bd4c69a839b43af282a0b0d91cff6a81a49dfba5813b9bec4af0bc38 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:35:15,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:35:15,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:35:15,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:35:15,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:35:15,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:35:15,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:35:15,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:35:15,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:35:15,173 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:35:15,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:35:15,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:35:15,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:35:15,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:35:15,174 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:35:15,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:35:15,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:35:15,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:35:15,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:35:15,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:35:15,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:35:15,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:35:15,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:35:15,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:35:15,175 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:35:15,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:35:15,175 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:35:15,175 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:35:15,175 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:35:15,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:35:15,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:35:15,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:35:15,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:35:15,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:35:15,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:35:15,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:35:15,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:35:15,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:35:15,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:35:15,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:35:15,176 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:35:15,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:35:15,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:35:15,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:35:15,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:35:15,177 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:35:15,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:35:15,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:35:15,177 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1 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 -> Automizer 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 -> ccb4b384bd4c69a839b43af282a0b0d91cff6a81a49dfba5813b9bec4af0bc38 [2024-12-02 12:35:15,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:35:15,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:35:15,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:35:15,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:35:15,436 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:35:15,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2024-12-02 12:35:18,088 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1/data/49dab7df9/93a49f314e874d9c9edc10a7b3060d64/FLAG33542a5ff [2024-12-02 12:35:18,463 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:35:18,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2024-12-02 12:35:18,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1/data/49dab7df9/93a49f314e874d9c9edc10a7b3060d64/FLAG33542a5ff [2024-12-02 12:35:18,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1/data/49dab7df9/93a49f314e874d9c9edc10a7b3060d64 [2024-12-02 12:35:18,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:35:18,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:35:18,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:35:18,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:35:18,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:35:18,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:35:18" (1/1) ... [2024-12-02 12:35:18,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c5e0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:18, skipping insertion in model container [2024-12-02 12:35:18,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:35:18" (1/1) ... [2024-12-02 12:35:18,683 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:35:19,550 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[56685,56698] [2024-12-02 12:35:19,678 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[61645,61658] [2024-12-02 12:35:20,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:35:20,216 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:35:20,715 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[56685,56698] [2024-12-02 12:35:20,808 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[61645,61658] [2024-12-02 12:35:21,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:35:21,178 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:35:21,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21 WrapperNode [2024-12-02 12:35:21,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:35:21,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:35:21,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:35:21,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:35:21,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (1/1) ... [2024-12-02 12:35:21,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (1/1) ... [2024-12-02 12:35:21,330 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7954 [2024-12-02 12:35:21,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:35:21,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:35:21,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:35:21,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:35:21,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (1/1) ... [2024-12-02 12:35:21,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (1/1) ... [2024-12-02 12:35:21,351 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (1/1) ... [2024-12-02 12:35:21,399 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 12:35:21,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (1/1) ... [2024-12-02 12:35:21,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (1/1) ... [2024-12-02 12:35:21,482 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (1/1) ... [2024-12-02 12:35:21,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (1/1) ... [2024-12-02 12:35:21,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (1/1) ... [2024-12-02 12:35:21,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (1/1) ... [2024-12-02 12:35:21,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (1/1) ... [2024-12-02 12:35:21,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:35:21,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:35:21,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:35:21,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:35:21,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (1/1) ... [2024-12-02 12:35:21,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:35:21,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:35:21,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:35:21,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5a46cf-2e7b-48d4-bd25-ace121b0598e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:35:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:35:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:35:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:35:21,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:35:21,839 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:35:21,841 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:35:26,505 INFO L? ?]: Removed 468 outVars from TransFormulas that were not future-live. [2024-12-02 12:35:26,505 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:35:26,548 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:35:26,548 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:35:26,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:35:26 BoogieIcfgContainer [2024-12-02 12:35:26,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:35:26,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:35:26,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:35:26,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:35:26,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:35:18" (1/3) ... [2024-12-02 12:35:26,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ef5242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:35:26, skipping insertion in model container [2024-12-02 12:35:26,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:21" (2/3) ... [2024-12-02 12:35:26,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ef5242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:35:26, skipping insertion in model container [2024-12-02 12:35:26,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:35:26" (3/3) ... [2024-12-02 12:35:26,557 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2024-12-02 12:35:26,568 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:35:26,571 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c that has 1 procedures, 2244 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 12:35:26,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:35:26,667 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=PETRI_NET, 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;@30358a13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:35:26,667 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 12:35:26,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 2244 states, 2241 states have (on average 1.7617135207496653) internal successors, (3948), 2243 states have internal predecessors, (3948), 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) [2024-12-02 12:35:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-12-02 12:35:26,704 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:35:26,705 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:26,705 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:35:26,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:26,709 INFO L85 PathProgramCache]: Analyzing trace with hash -194911473, now seen corresponding path program 1 times [2024-12-02 12:35:26,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:26,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892349852] [2024-12-02 12:35:26,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:26,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:35:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:35:27,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:35:27,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892349852] [2024-12-02 12:35:27,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892349852] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:35:27,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:35:27,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:35:27,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831468850] [2024-12-02 12:35:27,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:35:27,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:35:27,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:35:27,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:35:27,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:35:27,675 INFO L87 Difference]: Start difference. First operand has 2244 states, 2241 states have (on average 1.7617135207496653) internal successors, (3948), 2243 states have internal predecessors, (3948), 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) Second operand has 4 states, 4 states have (on average 71.5) internal successors, (286), 4 states have internal predecessors, (286), 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) [2024-12-02 12:35:27,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:35:27,996 INFO L93 Difference]: Finished difference Result 3947 states and 6875 transitions. [2024-12-02 12:35:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:35:27,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 71.5) internal successors, (286), 4 states have internal predecessors, (286), 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) Word has length 286 [2024-12-02 12:35:27,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:35:28,016 INFO L225 Difference]: With dead ends: 3947 [2024-12-02 12:35:28,016 INFO L226 Difference]: Without dead ends: 2241 [2024-12-02 12:35:28,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:35:28,025 INFO L435 NwaCegarLoop]: 3942 mSDtfsCounter, 322 mSDsluCounter, 7472 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 11414 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:35:28,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 11414 Invalid, 102 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [61 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:35:28,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2024-12-02 12:35:28,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2241. [2024-12-02 12:35:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2241 states, 2239 states have (on average 1.7271103171058508) internal successors, (3867), 2240 states have internal predecessors, (3867), 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) [2024-12-02 12:35:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 3867 transitions. [2024-12-02 12:35:28,123 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 3867 transitions. Word has length 286 [2024-12-02 12:35:28,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:35:28,124 INFO L471 AbstractCegarLoop]: Abstraction has 2241 states and 3867 transitions. [2024-12-02 12:35:28,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 71.5) internal successors, (286), 4 states have internal predecessors, (286), 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) [2024-12-02 12:35:28,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 3867 transitions. [2024-12-02 12:35:28,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-12-02 12:35:28,133 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:35:28,133 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:28,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:35:28,133 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:35:28,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:28,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1982657552, now seen corresponding path program 1 times [2024-12-02 12:35:28,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:28,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614868323] [2024-12-02 12:35:28,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:28,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:35:28,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:35:28,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:35:28,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614868323] [2024-12-02 12:35:28,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614868323] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:35:28,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:35:28,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:35:28,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392595944] [2024-12-02 12:35:28,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:35:28,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:35:28,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:35:28,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:35:28,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:28,653 INFO L87 Difference]: Start difference. First operand 2241 states and 3867 transitions. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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) [2024-12-02 12:35:28,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:35:28,997 INFO L93 Difference]: Finished difference Result 5460 states and 9352 transitions. [2024-12-02 12:35:28,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:35:28,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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) Word has length 345 [2024-12-02 12:35:28,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:35:29,012 INFO L225 Difference]: With dead ends: 5460 [2024-12-02 12:35:29,013 INFO L226 Difference]: Without dead ends: 3797 [2024-12-02 12:35:29,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:29,016 INFO L435 NwaCegarLoop]: 6408 mSDtfsCounter, 2622 mSDsluCounter, 3666 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 10074 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:35:29,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2622 Valid, 10074 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:35:29,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3797 states. [2024-12-02 12:35:29,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3797 to 3793. [2024-12-02 12:35:29,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3793 states, 3791 states have (on average 1.704035874439462) internal successors, (6460), 3792 states have internal predecessors, (6460), 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) [2024-12-02 12:35:29,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3793 states to 3793 states and 6460 transitions. [2024-12-02 12:35:29,149 INFO L78 Accepts]: Start accepts. Automaton has 3793 states and 6460 transitions. Word has length 345 [2024-12-02 12:35:29,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:35:29,150 INFO L471 AbstractCegarLoop]: Abstraction has 3793 states and 6460 transitions. [2024-12-02 12:35:29,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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) [2024-12-02 12:35:29,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3793 states and 6460 transitions. [2024-12-02 12:35:29,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-12-02 12:35:29,160 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:35:29,161 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:29,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:35:29,161 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:35:29,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:29,162 INFO L85 PathProgramCache]: Analyzing trace with hash 856314180, now seen corresponding path program 1 times [2024-12-02 12:35:29,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:29,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81463806] [2024-12-02 12:35:29,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:29,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:35:29,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:35:29,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:35:29,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81463806] [2024-12-02 12:35:29,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81463806] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:35:29,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:35:29,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:35:29,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333685610] [2024-12-02 12:35:29,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:35:29,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:35:29,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:35:29,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:35:29,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:29,572 INFO L87 Difference]: Start difference. First operand 3793 states and 6460 transitions. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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) [2024-12-02 12:35:29,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:35:29,835 INFO L93 Difference]: Finished difference Result 6366 states and 10867 transitions. [2024-12-02 12:35:29,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:35:29,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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) Word has length 349 [2024-12-02 12:35:29,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:35:29,852 INFO L225 Difference]: With dead ends: 6366 [2024-12-02 12:35:29,853 INFO L226 Difference]: Without dead ends: 4693 [2024-12-02 12:35:29,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:29,856 INFO L435 NwaCegarLoop]: 5685 mSDtfsCounter, 2422 mSDsluCounter, 3479 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2422 SdHoareTripleChecker+Valid, 9164 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:35:29,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2422 Valid, 9164 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:35:29,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2024-12-02 12:35:29,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 4689. [2024-12-02 12:35:29,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4689 states, 4687 states have (on average 1.7051418818007253) internal successors, (7992), 4688 states have internal predecessors, (7992), 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) [2024-12-02 12:35:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4689 states to 4689 states and 7992 transitions. [2024-12-02 12:35:29,961 INFO L78 Accepts]: Start accepts. Automaton has 4689 states and 7992 transitions. Word has length 349 [2024-12-02 12:35:29,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:35:29,961 INFO L471 AbstractCegarLoop]: Abstraction has 4689 states and 7992 transitions. [2024-12-02 12:35:29,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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) [2024-12-02 12:35:29,962 INFO L276 IsEmpty]: Start isEmpty. Operand 4689 states and 7992 transitions. [2024-12-02 12:35:29,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-12-02 12:35:29,974 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:35:29,974 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:29,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:35:29,974 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:35:29,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:29,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1733139219, now seen corresponding path program 1 times [2024-12-02 12:35:29,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:29,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897237415] [2024-12-02 12:35:29,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:29,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:35:30,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:35:30,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:35:30,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897237415] [2024-12-02 12:35:30,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897237415] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:35:30,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:35:30,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:35:30,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975179343] [2024-12-02 12:35:30,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:35:30,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:35:30,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:35:30,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:35:30,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:30,286 INFO L87 Difference]: Start difference. First operand 4689 states and 7992 transitions. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) [2024-12-02 12:35:30,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:35:30,528 INFO L93 Difference]: Finished difference Result 12611 states and 21378 transitions. [2024-12-02 12:35:30,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:35:30,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) Word has length 353 [2024-12-02 12:35:30,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:35:30,546 INFO L225 Difference]: With dead ends: 12611 [2024-12-02 12:35:30,547 INFO L226 Difference]: Without dead ends: 8523 [2024-12-02 12:35:30,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:30,551 INFO L435 NwaCegarLoop]: 6127 mSDtfsCounter, 2655 mSDsluCounter, 3672 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2655 SdHoareTripleChecker+Valid, 9799 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:35:30,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2655 Valid, 9799 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:35:30,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8523 states. [2024-12-02 12:35:30,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8523 to 8519. [2024-12-02 12:35:30,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8519 states, 8517 states have (on average 1.6927321826934367) internal successors, (14417), 8518 states have internal predecessors, (14417), 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) [2024-12-02 12:35:30,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8519 states to 8519 states and 14417 transitions. [2024-12-02 12:35:30,664 INFO L78 Accepts]: Start accepts. Automaton has 8519 states and 14417 transitions. Word has length 353 [2024-12-02 12:35:30,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:35:30,665 INFO L471 AbstractCegarLoop]: Abstraction has 8519 states and 14417 transitions. [2024-12-02 12:35:30,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) [2024-12-02 12:35:30,665 INFO L276 IsEmpty]: Start isEmpty. Operand 8519 states and 14417 transitions. [2024-12-02 12:35:30,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2024-12-02 12:35:30,677 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:35:30,678 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:30,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:35:30,678 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:35:30,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:30,678 INFO L85 PathProgramCache]: Analyzing trace with hash 100151105, now seen corresponding path program 1 times [2024-12-02 12:35:30,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:30,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644250435] [2024-12-02 12:35:30,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:30,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:35:30,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:35:30,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:35:30,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644250435] [2024-12-02 12:35:30,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644250435] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:35:30,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:35:30,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:35:30,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034058390] [2024-12-02 12:35:30,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:35:30,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:35:30,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:35:30,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:35:30,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:30,847 INFO L87 Difference]: Start difference. First operand 8519 states and 14417 transitions. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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) [2024-12-02 12:35:31,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:35:31,026 INFO L93 Difference]: Finished difference Result 15284 states and 25906 transitions. [2024-12-02 12:35:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:35:31,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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) Word has length 357 [2024-12-02 12:35:31,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:35:31,054 INFO L225 Difference]: With dead ends: 15284 [2024-12-02 12:35:31,054 INFO L226 Difference]: Without dead ends: 11186 [2024-12-02 12:35:31,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:31,060 INFO L435 NwaCegarLoop]: 5603 mSDtfsCounter, 2392 mSDsluCounter, 3429 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2392 SdHoareTripleChecker+Valid, 9032 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:35:31,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2392 Valid, 9032 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:35:31,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11186 states. [2024-12-02 12:35:31,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11186 to 11182. [2024-12-02 12:35:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11182 states, 11180 states have (on average 1.6929338103756708) internal successors, (18927), 11181 states have internal predecessors, (18927), 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) [2024-12-02 12:35:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11182 states to 11182 states and 18927 transitions. [2024-12-02 12:35:31,199 INFO L78 Accepts]: Start accepts. Automaton has 11182 states and 18927 transitions. Word has length 357 [2024-12-02 12:35:31,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:35:31,199 INFO L471 AbstractCegarLoop]: Abstraction has 11182 states and 18927 transitions. [2024-12-02 12:35:31,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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) [2024-12-02 12:35:31,200 INFO L276 IsEmpty]: Start isEmpty. Operand 11182 states and 18927 transitions. [2024-12-02 12:35:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2024-12-02 12:35:31,211 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:35:31,211 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:31,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:35:31,211 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:35:31,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:31,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1256415416, now seen corresponding path program 1 times [2024-12-02 12:35:31,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:31,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357263807] [2024-12-02 12:35:31,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:31,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:35:31,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:35:31,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:35:31,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357263807] [2024-12-02 12:35:31,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357263807] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:35:31,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:35:31,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:35:31,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354636287] [2024-12-02 12:35:31,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:35:31,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:35:31,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:35:31,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:35:31,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:31,515 INFO L87 Difference]: Start difference. First operand 11182 states and 18927 transitions. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) [2024-12-02 12:35:31,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:35:31,814 INFO L93 Difference]: Finished difference Result 31560 states and 53189 transitions. [2024-12-02 12:35:31,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:35:31,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) Word has length 361 [2024-12-02 12:35:31,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:35:31,844 INFO L225 Difference]: With dead ends: 31560 [2024-12-02 12:35:31,844 INFO L226 Difference]: Without dead ends: 21002 [2024-12-02 12:35:31,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:31,855 INFO L435 NwaCegarLoop]: 6045 mSDtfsCounter, 2624 mSDsluCounter, 3614 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2624 SdHoareTripleChecker+Valid, 9659 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:35:31,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2624 Valid, 9659 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:35:31,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21002 states. [2024-12-02 12:35:32,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21002 to 20998. [2024-12-02 12:35:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20998 states, 20996 states have (on average 1.6805105734425605) internal successors, (35284), 20997 states have internal predecessors, (35284), 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) [2024-12-02 12:35:32,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20998 states to 20998 states and 35284 transitions. [2024-12-02 12:35:32,111 INFO L78 Accepts]: Start accepts. Automaton has 20998 states and 35284 transitions. Word has length 361 [2024-12-02 12:35:32,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:35:32,111 INFO L471 AbstractCegarLoop]: Abstraction has 20998 states and 35284 transitions. [2024-12-02 12:35:32,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) [2024-12-02 12:35:32,111 INFO L276 IsEmpty]: Start isEmpty. Operand 20998 states and 35284 transitions. [2024-12-02 12:35:32,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-12-02 12:35:32,129 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:35:32,130 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:32,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:35:32,130 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:35:32,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:32,130 INFO L85 PathProgramCache]: Analyzing trace with hash 815051452, now seen corresponding path program 1 times [2024-12-02 12:35:32,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:32,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386262707] [2024-12-02 12:35:32,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:32,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:35:32,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:35:32,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:35:32,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386262707] [2024-12-02 12:35:32,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386262707] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:35:32,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:35:32,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:35:32,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144478846] [2024-12-02 12:35:32,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:35:32,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:35:32,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:35:32,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:35:32,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:32,362 INFO L87 Difference]: Start difference. First operand 20998 states and 35284 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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) [2024-12-02 12:35:32,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:35:32,711 INFO L93 Difference]: Finished difference Result 38799 states and 65363 transitions. [2024-12-02 12:35:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:35:32,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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) Word has length 365 [2024-12-02 12:35:32,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:35:32,764 INFO L225 Difference]: With dead ends: 38799 [2024-12-02 12:35:32,764 INFO L226 Difference]: Without dead ends: 28231 [2024-12-02 12:35:32,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:32,779 INFO L435 NwaCegarLoop]: 5786 mSDtfsCounter, 2361 mSDsluCounter, 3371 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2361 SdHoareTripleChecker+Valid, 9157 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:35:32,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2361 Valid, 9157 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:35:32,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28231 states. [2024-12-02 12:35:33,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28231 to 28227. [2024-12-02 12:35:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28227 states, 28225 states have (on average 1.6808503100088574) internal successors, (47442), 28226 states have internal predecessors, (47442), 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) [2024-12-02 12:35:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28227 states to 28227 states and 47442 transitions. [2024-12-02 12:35:33,221 INFO L78 Accepts]: Start accepts. Automaton has 28227 states and 47442 transitions. Word has length 365 [2024-12-02 12:35:33,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:35:33,221 INFO L471 AbstractCegarLoop]: Abstraction has 28227 states and 47442 transitions. [2024-12-02 12:35:33,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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) [2024-12-02 12:35:33,222 INFO L276 IsEmpty]: Start isEmpty. Operand 28227 states and 47442 transitions. [2024-12-02 12:35:33,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2024-12-02 12:35:33,261 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:35:33,261 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:33,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:35:33,261 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:35:33,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:33,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1299461157, now seen corresponding path program 1 times [2024-12-02 12:35:33,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:33,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298719683] [2024-12-02 12:35:33,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:33,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:35:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:35:33,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:35:33,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298719683] [2024-12-02 12:35:33,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298719683] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:35:33,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:35:33,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:35:33,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733843141] [2024-12-02 12:35:33,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:35:33,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:35:33,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:35:33,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:35:33,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:33,599 INFO L87 Difference]: Start difference. First operand 28227 states and 47442 transitions. Second operand has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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) [2024-12-02 12:35:33,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:35:33,992 INFO L93 Difference]: Finished difference Result 81219 states and 135934 transitions. [2024-12-02 12:35:33,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:35:33,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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) Word has length 369 [2024-12-02 12:35:33,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:35:34,097 INFO L225 Difference]: With dead ends: 81219 [2024-12-02 12:35:34,097 INFO L226 Difference]: Without dead ends: 53639 [2024-12-02 12:35:34,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:34,124 INFO L435 NwaCegarLoop]: 6251 mSDtfsCounter, 2593 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2593 SdHoareTripleChecker+Valid, 9807 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:35:34,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2593 Valid, 9807 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:35:34,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53639 states. [2024-12-02 12:35:34,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53639 to 53635. [2024-12-02 12:35:34,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53635 states, 53633 states have (on average 1.6672384539369418) internal successors, (89419), 53634 states have internal predecessors, (89419), 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) [2024-12-02 12:35:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53635 states to 53635 states and 89419 transitions. [2024-12-02 12:35:34,683 INFO L78 Accepts]: Start accepts. Automaton has 53635 states and 89419 transitions. Word has length 369 [2024-12-02 12:35:34,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:35:34,683 INFO L471 AbstractCegarLoop]: Abstraction has 53635 states and 89419 transitions. [2024-12-02 12:35:34,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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) [2024-12-02 12:35:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 53635 states and 89419 transitions. [2024-12-02 12:35:34,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-12-02 12:35:34,709 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:35:34,709 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:34,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:35:34,710 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:35:34,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:34,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1425874377, now seen corresponding path program 1 times [2024-12-02 12:35:34,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:34,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409565961] [2024-12-02 12:35:34,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:34,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:35:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:35:34,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:35:34,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409565961] [2024-12-02 12:35:34,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409565961] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:35:34,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:35:34,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:35:34,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990750792] [2024-12-02 12:35:34,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:35:34,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:35:34,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:35:34,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:35:34,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:34,872 INFO L87 Difference]: Start difference. First operand 53635 states and 89419 transitions. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:35:35,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:35:35,306 INFO L93 Difference]: Finished difference Result 100006 states and 167232 transitions. [2024-12-02 12:35:35,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:35:35,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 373 [2024-12-02 12:35:35,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:35:35,379 INFO L225 Difference]: With dead ends: 100006 [2024-12-02 12:35:35,379 INFO L226 Difference]: Without dead ends: 72416 [2024-12-02 12:35:35,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:35,405 INFO L435 NwaCegarLoop]: 5704 mSDtfsCounter, 2331 mSDsluCounter, 3313 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2331 SdHoareTripleChecker+Valid, 9017 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:35:35,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2331 Valid, 9017 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:35:35,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72416 states. [2024-12-02 12:35:36,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72416 to 72412. [2024-12-02 12:35:36,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72412 states, 72410 states have (on average 1.6669658886894076) internal successors, (120705), 72411 states have internal predecessors, (120705), 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) [2024-12-02 12:35:36,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72412 states to 72412 states and 120705 transitions. [2024-12-02 12:35:36,289 INFO L78 Accepts]: Start accepts. Automaton has 72412 states and 120705 transitions. Word has length 373 [2024-12-02 12:35:36,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:35:36,289 INFO L471 AbstractCegarLoop]: Abstraction has 72412 states and 120705 transitions. [2024-12-02 12:35:36,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:35:36,289 INFO L276 IsEmpty]: Start isEmpty. Operand 72412 states and 120705 transitions. [2024-12-02 12:35:36,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-12-02 12:35:36,319 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:35:36,319 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:36,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:35:36,320 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:35:36,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:36,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1102943872, now seen corresponding path program 1 times [2024-12-02 12:35:36,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:36,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681530281] [2024-12-02 12:35:36,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:36,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:35:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:35:36,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:35:36,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681530281] [2024-12-02 12:35:36,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681530281] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:35:36,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:35:36,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:35:36,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850411875] [2024-12-02 12:35:36,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:35:36,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:35:36,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:35:36,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:35:36,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:36,501 INFO L87 Difference]: Start difference. First operand 72412 states and 120705 transitions. Second operand has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 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) [2024-12-02 12:35:37,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:35:37,296 INFO L93 Difference]: Finished difference Result 209482 states and 347547 transitions. [2024-12-02 12:35:37,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:35:37,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 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) Word has length 377 [2024-12-02 12:35:37,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:35:37,402 INFO L225 Difference]: With dead ends: 209482 [2024-12-02 12:35:37,403 INFO L226 Difference]: Without dead ends: 137740 [2024-12-02 12:35:37,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:37,439 INFO L435 NwaCegarLoop]: 6168 mSDtfsCounter, 2562 mSDsluCounter, 3498 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2562 SdHoareTripleChecker+Valid, 9666 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:35:37,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2562 Valid, 9666 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:35:37,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137740 states. [2024-12-02 12:35:38,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137740 to 137736. [2024-12-02 12:35:38,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137736 states, 137734 states have (on average 1.6511391522790306) internal successors, (227418), 137735 states have internal predecessors, (227418), 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) [2024-12-02 12:35:39,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137736 states to 137736 states and 227418 transitions. [2024-12-02 12:35:39,265 INFO L78 Accepts]: Start accepts. Automaton has 137736 states and 227418 transitions. Word has length 377 [2024-12-02 12:35:39,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:35:39,266 INFO L471 AbstractCegarLoop]: Abstraction has 137736 states and 227418 transitions. [2024-12-02 12:35:39,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 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) [2024-12-02 12:35:39,266 INFO L276 IsEmpty]: Start isEmpty. Operand 137736 states and 227418 transitions. [2024-12-02 12:35:39,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-12-02 12:35:39,437 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:35:39,437 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:39,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 12:35:39,438 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:35:39,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:39,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1331187660, now seen corresponding path program 1 times [2024-12-02 12:35:39,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:39,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539103296] [2024-12-02 12:35:39,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:39,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:35:39,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:35:39,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:35:39,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539103296] [2024-12-02 12:35:39,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539103296] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:35:39,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:35:39,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:35:39,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936929009] [2024-12-02 12:35:39,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:35:39,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:35:39,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:35:39,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:35:39,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:39,668 INFO L87 Difference]: Start difference. First operand 137736 states and 227418 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2024-12-02 12:35:40,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:35:40,341 INFO L93 Difference]: Finished difference Result 256485 states and 424817 transitions. [2024-12-02 12:35:40,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:35:40,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) Word has length 381 [2024-12-02 12:35:40,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:35:40,459 INFO L225 Difference]: With dead ends: 256485 [2024-12-02 12:35:40,459 INFO L226 Difference]: Without dead ends: 184733 [2024-12-02 12:35:40,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:35:40,491 INFO L435 NwaCegarLoop]: 5357 mSDtfsCounter, 2302 mSDsluCounter, 3255 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2302 SdHoareTripleChecker+Valid, 8612 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:35:40,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2302 Valid, 8612 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:35:40,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184733 states. [2024-12-02 12:35:42,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184733 to 184729. [2024-12-02 12:35:42,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184729 states, 184727 states have (on average 1.649374482344216) internal successors, (304684), 184728 states have internal predecessors, (304684), 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) [2024-12-02 12:35:42,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184729 states to 184729 states and 304684 transitions. [2024-12-02 12:35:42,696 INFO L78 Accepts]: Start accepts. Automaton has 184729 states and 304684 transitions. Word has length 381 [2024-12-02 12:35:42,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:35:42,697 INFO L471 AbstractCegarLoop]: Abstraction has 184729 states and 304684 transitions. [2024-12-02 12:35:42,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2024-12-02 12:35:42,697 INFO L276 IsEmpty]: Start isEmpty. Operand 184729 states and 304684 transitions. [2024-12-02 12:35:42,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-12-02 12:35:42,994 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:35:42,994 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:42,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 12:35:42,995 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:35:42,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:42,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1553559715, now seen corresponding path program 1 times [2024-12-02 12:35:42,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:42,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8300840] [2024-12-02 12:35:42,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:42,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:35:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:35:43,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:35:43,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8300840] [2024-12-02 12:35:43,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8300840] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:35:43,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:35:43,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 12:35:43,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524695190] [2024-12-02 12:35:43,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:35:43,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:35:43,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:35:43,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:35:43,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:35:43,437 INFO L87 Difference]: Start difference. First operand 184729 states and 304684 transitions. Second operand has 7 states, 7 states have (on average 55.0) internal successors, (385), 7 states have internal predecessors, (385), 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) [2024-12-02 12:35:49,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:35:49,527 INFO L93 Difference]: Finished difference Result 1423805 states and 2360418 transitions. [2024-12-02 12:35:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 12:35:49,527 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 55.0) internal successors, (385), 7 states have internal predecessors, (385), 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) Word has length 385 [2024-12-02 12:35:49,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:35:50,848 INFO L225 Difference]: With dead ends: 1423805 [2024-12-02 12:35:50,848 INFO L226 Difference]: Without dead ends: 1239749 [2024-12-02 12:35:50,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:35:50,998 INFO L435 NwaCegarLoop]: 12358 mSDtfsCounter, 19089 mSDsluCounter, 57533 mSDsCounter, 0 mSdLazyCounter, 3304 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19089 SdHoareTripleChecker+Valid, 69891 SdHoareTripleChecker+Invalid, 3342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 3304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:35:50,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19089 Valid, 69891 Invalid, 3342 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 3304 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 12:35:51,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239749 states. [2024-12-02 12:35:57,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239749 to 365330. [2024-12-02 12:35:58,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365330 states, 365328 states have (on average 1.6440267376166076) internal successors, (600609), 365329 states have internal predecessors, (600609), 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) [2024-12-02 12:35:59,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365330 states to 365330 states and 600609 transitions. [2024-12-02 12:35:59,031 INFO L78 Accepts]: Start accepts. Automaton has 365330 states and 600609 transitions. Word has length 385 [2024-12-02 12:35:59,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:35:59,031 INFO L471 AbstractCegarLoop]: Abstraction has 365330 states and 600609 transitions. [2024-12-02 12:35:59,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 55.0) internal successors, (385), 7 states have internal predecessors, (385), 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) [2024-12-02 12:35:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 365330 states and 600609 transitions. [2024-12-02 12:35:59,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2024-12-02 12:35:59,560 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:35:59,560 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:35:59,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 12:35:59,560 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:35:59,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:35:59,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1256635725, now seen corresponding path program 1 times [2024-12-02 12:35:59,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:35:59,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427032109] [2024-12-02 12:35:59,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:35:59,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:35:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:35:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:35:59,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:35:59,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427032109] [2024-12-02 12:35:59,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427032109] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:35:59,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:35:59,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:35:59,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472158734] [2024-12-02 12:35:59,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:35:59,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:35:59,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:35:59,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:35:59,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:35:59,856 INFO L87 Difference]: Start difference. First operand 365330 states and 600609 transitions. Second operand has 4 states, 4 states have (on average 96.75) internal successors, (387), 4 states have internal predecessors, (387), 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) [2024-12-02 12:36:03,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:03,243 INFO L93 Difference]: Finished difference Result 1205612 states and 1990265 transitions. [2024-12-02 12:36:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:36:03,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 96.75) internal successors, (387), 4 states have internal predecessors, (387), 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) Word has length 387 [2024-12-02 12:36:03,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:03,999 INFO L225 Difference]: With dead ends: 1205612 [2024-12-02 12:36:03,999 INFO L226 Difference]: Without dead ends: 840955 [2024-12-02 12:36:04,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:36:04,119 INFO L435 NwaCegarLoop]: 5877 mSDtfsCounter, 7972 mSDsluCounter, 9102 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7972 SdHoareTripleChecker+Valid, 14979 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:04,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7972 Valid, 14979 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:36:04,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840955 states. [2024-12-02 12:36:10,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840955 to 604725. [2024-12-02 12:36:11,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604725 states, 604723 states have (on average 1.644668716089846) internal successors, (994569), 604724 states have internal predecessors, (994569), 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) [2024-12-02 12:36:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604725 states to 604725 states and 994569 transitions. [2024-12-02 12:36:13,031 INFO L78 Accepts]: Start accepts. Automaton has 604725 states and 994569 transitions. Word has length 387 [2024-12-02 12:36:13,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:13,031 INFO L471 AbstractCegarLoop]: Abstraction has 604725 states and 994569 transitions. [2024-12-02 12:36:13,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.75) internal successors, (387), 4 states have internal predecessors, (387), 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) [2024-12-02 12:36:13,031 INFO L276 IsEmpty]: Start isEmpty. Operand 604725 states and 994569 transitions. [2024-12-02 12:36:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2024-12-02 12:36:13,741 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:13,742 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:13,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 12:36:13,742 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:36:13,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:13,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1136482326, now seen corresponding path program 1 times [2024-12-02 12:36:13,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:13,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115712527] [2024-12-02 12:36:13,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:13,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:36:14,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:14,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115712527] [2024-12-02 12:36:14,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115712527] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:14,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:14,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:36:14,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467751424] [2024-12-02 12:36:14,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:14,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:36:14,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:14,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:36:14,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:36:14,023 INFO L87 Difference]: Start difference. First operand 604725 states and 994569 transitions. Second operand has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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) [2024-12-02 12:36:19,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:19,620 INFO L93 Difference]: Finished difference Result 1983060 states and 3266670 transitions. [2024-12-02 12:36:19,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:36:19,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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) Word has length 388 [2024-12-02 12:36:19,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:20,951 INFO L225 Difference]: With dead ends: 1983060 [2024-12-02 12:36:20,951 INFO L226 Difference]: Without dead ends: 1379008 [2024-12-02 12:36:21,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:36:21,147 INFO L435 NwaCegarLoop]: 3663 mSDtfsCounter, 7911 mSDsluCounter, 8736 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7911 SdHoareTripleChecker+Valid, 12399 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:21,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7911 Valid, 12399 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:36:22,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379008 states. [2024-12-02 12:36:32,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379008 to 994062. [2024-12-02 12:36:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994062 states, 994060 states have (on average 1.6409995372512725) internal successors, (1631252), 994061 states have internal predecessors, (1631252), 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) [2024-12-02 12:36:35,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994062 states to 994062 states and 1631252 transitions. [2024-12-02 12:36:35,296 INFO L78 Accepts]: Start accepts. Automaton has 994062 states and 1631252 transitions. Word has length 388 [2024-12-02 12:36:35,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:35,296 INFO L471 AbstractCegarLoop]: Abstraction has 994062 states and 1631252 transitions. [2024-12-02 12:36:35,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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) [2024-12-02 12:36:35,297 INFO L276 IsEmpty]: Start isEmpty. Operand 994062 states and 1631252 transitions. [2024-12-02 12:36:36,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-12-02 12:36:36,332 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:36,332 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:36,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 12:36:36,333 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:36:36,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:36,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1488503212, now seen corresponding path program 1 times [2024-12-02 12:36:36,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:36,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176735590] [2024-12-02 12:36:36,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:36,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:36:36,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:36,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176735590] [2024-12-02 12:36:36,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176735590] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:36,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:36,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:36:36,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838176432] [2024-12-02 12:36:36,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:36,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:36:36,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:36,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:36:36,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:36:36,515 INFO L87 Difference]: Start difference. First operand 994062 states and 1631252 transitions. Second operand has 4 states, 4 states have (on average 97.25) internal successors, (389), 4 states have internal predecessors, (389), 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) [2024-12-02 12:36:44,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:44,970 INFO L93 Difference]: Finished difference Result 3250804 states and 5343244 transitions. [2024-12-02 12:36:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:36:44,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.25) internal successors, (389), 4 states have internal predecessors, (389), 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) Word has length 389 [2024-12-02 12:36:44,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:47,256 INFO L225 Difference]: With dead ends: 3250804 [2024-12-02 12:36:47,256 INFO L226 Difference]: Without dead ends: 2257415 [2024-12-02 12:36:47,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:36:47,606 INFO L435 NwaCegarLoop]: 3641 mSDtfsCounter, 7850 mSDsluCounter, 8764 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7850 SdHoareTripleChecker+Valid, 12405 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:47,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7850 Valid, 12405 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]