./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72aca9735a0330ad4ed4e9de4f21904354ce62c742d488d0b09ce6da875c2798 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:43:46,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:43:46,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:43:46,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:43:46,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:43:46,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:43:46,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:43:46,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:43:46,704 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:43:46,704 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:43:46,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:43:46,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:43:46,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:43:46,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:43:46,713 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:43:46,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:43:46,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:43:46,714 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:43:46,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:43:46,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:43:46,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:43:46,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:43:46,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:43:46,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:43:46,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:43:46,716 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:43:46,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:43:46,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:43:46,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:43:46,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:43:46,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:43:46,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:43:46,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:43:46,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:43:46,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:43:46,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:43:46,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:43:46,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:43:46,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:43:46,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:43:46,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:43:46,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:43:46,720 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72aca9735a0330ad4ed4e9de4f21904354ce62c742d488d0b09ce6da875c2798 [2024-11-22 02:43:46,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:43:46,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:43:46,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:43:46,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:43:46,971 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:43:46,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-11-22 02:43:48,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:43:49,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:43:49,068 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-11-22 02:43:49,103 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a3a2e220/b49367b44c254cc384ef55111018ce2a/FLAG00d3e6315 [2024-11-22 02:43:49,118 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a3a2e220/b49367b44c254cc384ef55111018ce2a [2024-11-22 02:43:49,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:43:49,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:43:49,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:43:49,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:43:49,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:43:49,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:43:49" (1/1) ... [2024-11-22 02:43:49,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ee5ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:49, skipping insertion in model container [2024-11-22 02:43:49,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:43:49" (1/1) ... [2024-11-22 02:43:49,299 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:43:49,580 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8448,8461] [2024-11-22 02:43:49,616 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12616,12629] [2024-11-22 02:43:49,669 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[20366,20379] [2024-11-22 02:43:49,712 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[27098,27111] [2024-11-22 02:43:49,812 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[47963,47976] [2024-11-22 02:43:49,895 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[73065,73078] [2024-11-22 02:43:50,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:43:50,131 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:43:50,164 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8448,8461] [2024-11-22 02:43:50,178 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12616,12629] [2024-11-22 02:43:50,202 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[20366,20379] [2024-11-22 02:43:50,219 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[27098,27111] [2024-11-22 02:43:50,304 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[47963,47976] [2024-11-22 02:43:50,365 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[73065,73078] [2024-11-22 02:43:50,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:43:50,547 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:43:50,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50 WrapperNode [2024-11-22 02:43:50,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:43:50,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:43:50,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:43:50,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:43:50,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50" (1/1) ... [2024-11-22 02:43:50,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50" (1/1) ... [2024-11-22 02:43:50,686 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6152 [2024-11-22 02:43:50,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:43:50,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:43:50,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:43:50,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:43:50,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50" (1/1) ... [2024-11-22 02:43:50,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50" (1/1) ... [2024-11-22 02:43:50,709 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50" (1/1) ... [2024-11-22 02:43:50,814 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]. [2024-11-22 02:43:50,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50" (1/1) ... [2024-11-22 02:43:50,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50" (1/1) ... [2024-11-22 02:43:50,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50" (1/1) ... [2024-11-22 02:43:50,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50" (1/1) ... [2024-11-22 02:43:50,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50" (1/1) ... [2024-11-22 02:43:50,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50" (1/1) ... [2024-11-22 02:43:51,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:43:51,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:43:51,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:43:51,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:43:51,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50" (1/1) ... [2024-11-22 02:43:51,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:43:51,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:43:51,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 02:43:51,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 02:43:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:43:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:43:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:43:51,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:43:51,610 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:43:51,616 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:43:54,647 INFO L? ?]: Removed 1224 outVars from TransFormulas that were not future-live. [2024-11-22 02:43:54,648 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:43:54,683 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:43:54,684 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 02:43:54,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:43:54 BoogieIcfgContainer [2024-11-22 02:43:54,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:43:54,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:43:54,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:43:54,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:43:54,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:43:49" (1/3) ... [2024-11-22 02:43:54,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24052325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:43:54, skipping insertion in model container [2024-11-22 02:43:54,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:43:50" (2/3) ... [2024-11-22 02:43:54,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24052325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:43:54, skipping insertion in model container [2024-11-22 02:43:54,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:43:54" (3/3) ... [2024-11-22 02:43:54,700 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-11-22 02:43:54,731 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:43:54,735 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-22 02:43:54,830 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:43:54,843 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;@29a5195c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:43:54,843 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-22 02:43:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 1190 states, 1183 states have (on average 1.7861369399830938) internal successors, (2113), 1189 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:43:54,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 02:43:54,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:43:54,875 INFO L215 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] [2024-11-22 02:43:54,876 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:43:54,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:43:54,881 INFO L85 PathProgramCache]: Analyzing trace with hash 46255632, now seen corresponding path program 1 times [2024-11-22 02:43:54,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:43:54,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420322036] [2024-11-22 02:43:54,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:43:54,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:43:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:43:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:43:55,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:43:55,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420322036] [2024-11-22 02:43:55,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420322036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:43:55,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:43:55,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:43:55,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666289013] [2024-11-22 02:43:55,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:43:55,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:43:55,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:43:55,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:43:55,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:43:55,468 INFO L87 Difference]: Start difference. First operand has 1190 states, 1183 states have (on average 1.7861369399830938) internal successors, (2113), 1189 states have internal predecessors, (2113), 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 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:43:57,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:43:57,886 INFO L93 Difference]: Finished difference Result 2203 states and 3804 transitions. [2024-11-22 02:43:57,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:43:57,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-22 02:43:57,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:43:57,913 INFO L225 Difference]: With dead ends: 2203 [2024-11-22 02:43:57,913 INFO L226 Difference]: Without dead ends: 1434 [2024-11-22 02:43:57,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:43:57,926 INFO L432 NwaCegarLoop]: 1143 mSDtfsCounter, 6730 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6730 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:43:57,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6730 Valid, 1533 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-22 02:43:57,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2024-11-22 02:43:58,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1420. [2024-11-22 02:43:58,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1420 states, 1414 states have (on average 1.2998585572842998) internal successors, (1838), 1419 states have internal predecessors, (1838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:43:58,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 1838 transitions. [2024-11-22 02:43:58,100 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 1838 transitions. Word has length 52 [2024-11-22 02:43:58,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:43:58,101 INFO L471 AbstractCegarLoop]: Abstraction has 1420 states and 1838 transitions. [2024-11-22 02:43:58,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:43:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1838 transitions. [2024-11-22 02:43:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 02:43:58,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:43:58,108 INFO L215 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] [2024-11-22 02:43:58,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 02:43:58,112 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:43:58,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:43:58,114 INFO L85 PathProgramCache]: Analyzing trace with hash -625695834, now seen corresponding path program 1 times [2024-11-22 02:43:58,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:43:58,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552473355] [2024-11-22 02:43:58,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:43:58,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:43:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:43:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:43:58,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:43:58,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552473355] [2024-11-22 02:43:58,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552473355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:43:58,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:43:58,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:43:58,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544709701] [2024-11-22 02:43:58,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:43:58,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:43:58,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:43:58,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:43:58,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:43:58,518 INFO L87 Difference]: Start difference. First operand 1420 states and 1838 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:43:59,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:43:59,348 INFO L93 Difference]: Finished difference Result 2665 states and 3516 transitions. [2024-11-22 02:43:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:43:59,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-22 02:43:59,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:43:59,353 INFO L225 Difference]: With dead ends: 2665 [2024-11-22 02:43:59,353 INFO L226 Difference]: Without dead ends: 1806 [2024-11-22 02:43:59,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:43:59,355 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 4443 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4443 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 02:43:59,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4443 Valid, 902 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 02:43:59,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2024-11-22 02:43:59,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1796. [2024-11-22 02:43:59,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1796 states, 1790 states have (on average 1.318435754189944) internal successors, (2360), 1795 states have internal predecessors, (2360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:43:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 2360 transitions. [2024-11-22 02:43:59,380 INFO L78 Accepts]: Start accepts. Automaton has 1796 states and 2360 transitions. Word has length 52 [2024-11-22 02:43:59,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:43:59,381 INFO L471 AbstractCegarLoop]: Abstraction has 1796 states and 2360 transitions. [2024-11-22 02:43:59,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:43:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2360 transitions. [2024-11-22 02:43:59,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 02:43:59,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:43:59,383 INFO L215 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] [2024-11-22 02:43:59,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:43:59,383 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:43:59,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:43:59,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1958316630, now seen corresponding path program 1 times [2024-11-22 02:43:59,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:43:59,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584790532] [2024-11-22 02:43:59,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:43:59,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:43:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:43:59,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:43:59,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:43:59,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584790532] [2024-11-22 02:43:59,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584790532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:43:59,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:43:59,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:43:59,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296966022] [2024-11-22 02:43:59,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:43:59,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:43:59,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:43:59,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:43:59,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:43:59,563 INFO L87 Difference]: Start difference. First operand 1796 states and 2360 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:00,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:00,288 INFO L93 Difference]: Finished difference Result 3577 states and 4761 transitions. [2024-11-22 02:44:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:44:00,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-22 02:44:00,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:00,296 INFO L225 Difference]: With dead ends: 3577 [2024-11-22 02:44:00,296 INFO L226 Difference]: Without dead ends: 2639 [2024-11-22 02:44:00,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:44:00,299 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 4016 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4016 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:00,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4016 Valid, 859 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 02:44:00,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2024-11-22 02:44:00,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 2633. [2024-11-22 02:44:00,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2627 states have (on average 1.3113818043395509) internal successors, (3445), 2632 states have internal predecessors, (3445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:00,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3445 transitions. [2024-11-22 02:44:00,350 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3445 transitions. Word has length 52 [2024-11-22 02:44:00,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:00,351 INFO L471 AbstractCegarLoop]: Abstraction has 2633 states and 3445 transitions. [2024-11-22 02:44:00,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:00,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3445 transitions. [2024-11-22 02:44:00,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 02:44:00,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:00,354 INFO L215 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] [2024-11-22 02:44:00,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:44:00,354 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:00,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:00,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1639759782, now seen corresponding path program 1 times [2024-11-22 02:44:00,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:00,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113286891] [2024-11-22 02:44:00,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:00,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:00,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:00,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:00,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113286891] [2024-11-22 02:44:00,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113286891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:00,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:00,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:44:00,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740113618] [2024-11-22 02:44:00,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:00,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:44:00,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:00,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:44:00,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:44:00,627 INFO L87 Difference]: Start difference. First operand 2633 states and 3445 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:01,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:01,961 INFO L93 Difference]: Finished difference Result 4764 states and 6444 transitions. [2024-11-22 02:44:01,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:44:01,962 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 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 54 [2024-11-22 02:44:01,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:01,972 INFO L225 Difference]: With dead ends: 4764 [2024-11-22 02:44:01,972 INFO L226 Difference]: Without dead ends: 4236 [2024-11-22 02:44:01,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-22 02:44:01,974 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 5930 mSDsluCounter, 2036 mSDsCounter, 0 mSdLazyCounter, 2377 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5930 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 2409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:01,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5930 Valid, 2668 Invalid, 2409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2377 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-22 02:44:01,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4236 states. [2024-11-22 02:44:02,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4236 to 2633. [2024-11-22 02:44:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2627 states have (on average 1.3110011419870575) internal successors, (3444), 2632 states have internal predecessors, (3444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3444 transitions. [2024-11-22 02:44:02,025 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3444 transitions. Word has length 54 [2024-11-22 02:44:02,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:02,025 INFO L471 AbstractCegarLoop]: Abstraction has 2633 states and 3444 transitions. [2024-11-22 02:44:02,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:02,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3444 transitions. [2024-11-22 02:44:02,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 02:44:02,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:02,027 INFO L215 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] [2024-11-22 02:44:02,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:44:02,028 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:02,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:02,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1969154310, now seen corresponding path program 1 times [2024-11-22 02:44:02,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:02,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915706460] [2024-11-22 02:44:02,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:02,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:02,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:02,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915706460] [2024-11-22 02:44:02,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915706460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:02,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:02,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:44:02,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535568279] [2024-11-22 02:44:02,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:02,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:44:02,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:02,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:44:02,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:44:02,289 INFO L87 Difference]: Start difference. First operand 2633 states and 3444 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:03,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:03,745 INFO L93 Difference]: Finished difference Result 4374 states and 5881 transitions. [2024-11-22 02:44:03,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 02:44:03,745 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 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 54 [2024-11-22 02:44:03,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:03,758 INFO L225 Difference]: With dead ends: 4374 [2024-11-22 02:44:03,759 INFO L226 Difference]: Without dead ends: 4368 [2024-11-22 02:44:03,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-22 02:44:03,762 INFO L432 NwaCegarLoop]: 648 mSDtfsCounter, 3826 mSDsluCounter, 2781 mSDsCounter, 0 mSdLazyCounter, 2859 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3826 SdHoareTripleChecker+Valid, 3429 SdHoareTripleChecker+Invalid, 2893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:03,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3826 Valid, 3429 Invalid, 2893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2859 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 02:44:03,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4368 states. [2024-11-22 02:44:03,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4368 to 2633. [2024-11-22 02:44:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2627 states have (on average 1.3106204796345642) internal successors, (3443), 2632 states have internal predecessors, (3443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:03,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3443 transitions. [2024-11-22 02:44:03,819 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3443 transitions. Word has length 54 [2024-11-22 02:44:03,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:03,819 INFO L471 AbstractCegarLoop]: Abstraction has 2633 states and 3443 transitions. [2024-11-22 02:44:03,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:03,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3443 transitions. [2024-11-22 02:44:03,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 02:44:03,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:03,822 INFO L215 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] [2024-11-22 02:44:03,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 02:44:03,822 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:03,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:03,823 INFO L85 PathProgramCache]: Analyzing trace with hash -91421350, now seen corresponding path program 1 times [2024-11-22 02:44:03,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:03,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821252897] [2024-11-22 02:44:03,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:03,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:04,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:04,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:04,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821252897] [2024-11-22 02:44:04,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821252897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:04,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:04,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 02:44:04,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520138869] [2024-11-22 02:44:04,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:04,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 02:44:04,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:04,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 02:44:04,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:44:04,115 INFO L87 Difference]: Start difference. First operand 2633 states and 3443 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:05,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:05,601 INFO L93 Difference]: Finished difference Result 3900 states and 5218 transitions. [2024-11-22 02:44:05,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 02:44:05,601 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 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 54 [2024-11-22 02:44:05,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:05,614 INFO L225 Difference]: With dead ends: 3900 [2024-11-22 02:44:05,615 INFO L226 Difference]: Without dead ends: 3216 [2024-11-22 02:44:05,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-22 02:44:05,617 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 5274 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5274 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:05,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5274 Valid, 1904 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 02:44:05,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3216 states. [2024-11-22 02:44:05,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3216 to 2633. [2024-11-22 02:44:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2627 states have (on average 1.3102398172820708) internal successors, (3442), 2632 states have internal predecessors, (3442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:05,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3442 transitions. [2024-11-22 02:44:05,657 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3442 transitions. Word has length 54 [2024-11-22 02:44:05,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:05,658 INFO L471 AbstractCegarLoop]: Abstraction has 2633 states and 3442 transitions. [2024-11-22 02:44:05,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:05,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3442 transitions. [2024-11-22 02:44:05,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 02:44:05,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:05,660 INFO L215 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] [2024-11-22 02:44:05,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 02:44:05,661 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:05,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:05,662 INFO L85 PathProgramCache]: Analyzing trace with hash -217892301, now seen corresponding path program 1 times [2024-11-22 02:44:05,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:05,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922343539] [2024-11-22 02:44:05,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:05,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:05,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:05,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922343539] [2024-11-22 02:44:05,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922343539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:05,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:05,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:44:05,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201052584] [2024-11-22 02:44:05,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:05,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:44:05,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:05,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:44:05,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:44:05,739 INFO L87 Difference]: Start difference. First operand 2633 states and 3442 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:05,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:05,840 INFO L93 Difference]: Finished difference Result 3809 states and 5163 transitions. [2024-11-22 02:44:05,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:44:05,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2024-11-22 02:44:05,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:05,847 INFO L225 Difference]: With dead ends: 3809 [2024-11-22 02:44:05,847 INFO L226 Difference]: Without dead ends: 2398 [2024-11-22 02:44:05,849 INFO L431 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 [2024-11-22 02:44:05,850 INFO L432 NwaCegarLoop]: 997 mSDtfsCounter, 632 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:05,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 1366 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:05,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2398 states. [2024-11-22 02:44:05,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2398 to 2396. [2024-11-22 02:44:05,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 2390 states have (on average 1.3112970711297072) internal successors, (3134), 2395 states have internal predecessors, (3134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:05,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3134 transitions. [2024-11-22 02:44:05,896 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3134 transitions. Word has length 55 [2024-11-22 02:44:05,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:05,896 INFO L471 AbstractCegarLoop]: Abstraction has 2396 states and 3134 transitions. [2024-11-22 02:44:05,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3134 transitions. [2024-11-22 02:44:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 02:44:05,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:05,900 INFO L215 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] [2024-11-22 02:44:05,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 02:44:05,900 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:05,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:05,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1212692211, now seen corresponding path program 1 times [2024-11-22 02:44:05,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:05,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319471654] [2024-11-22 02:44:05,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:05,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:05,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:05,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319471654] [2024-11-22 02:44:05,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319471654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:05,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:05,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:44:05,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747098783] [2024-11-22 02:44:05,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:05,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:44:05,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:05,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:44:05,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:44:05,984 INFO L87 Difference]: Start difference. First operand 2396 states and 3134 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:06,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:06,057 INFO L93 Difference]: Finished difference Result 4034 states and 5593 transitions. [2024-11-22 02:44:06,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:44:06,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2024-11-22 02:44:06,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:06,065 INFO L225 Difference]: With dead ends: 4034 [2024-11-22 02:44:06,065 INFO L226 Difference]: Without dead ends: 2929 [2024-11-22 02:44:06,066 INFO L431 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 [2024-11-22 02:44:06,067 INFO L432 NwaCegarLoop]: 963 mSDtfsCounter, 490 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1447 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:06,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 1447 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:06,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2929 states. [2024-11-22 02:44:06,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2929 to 2927. [2024-11-22 02:44:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2927 states, 2921 states have (on average 1.3543307086614174) internal successors, (3956), 2926 states have internal predecessors, (3956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 3956 transitions. [2024-11-22 02:44:06,105 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 3956 transitions. Word has length 55 [2024-11-22 02:44:06,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:06,105 INFO L471 AbstractCegarLoop]: Abstraction has 2927 states and 3956 transitions. [2024-11-22 02:44:06,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 3956 transitions. [2024-11-22 02:44:06,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 02:44:06,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:06,107 INFO L215 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] [2024-11-22 02:44:06,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 02:44:06,107 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:06,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:06,107 INFO L85 PathProgramCache]: Analyzing trace with hash 508156110, now seen corresponding path program 1 times [2024-11-22 02:44:06,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:06,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916414109] [2024-11-22 02:44:06,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:06,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:06,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:06,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:06,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916414109] [2024-11-22 02:44:06,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916414109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:06,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:06,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:44:06,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78175017] [2024-11-22 02:44:06,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:06,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:44:06,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:06,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:44:06,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:44:06,174 INFO L87 Difference]: Start difference. First operand 2927 states and 3956 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:06,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:06,264 INFO L93 Difference]: Finished difference Result 5825 states and 8243 transitions. [2024-11-22 02:44:06,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:44:06,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2024-11-22 02:44:06,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:06,282 INFO L225 Difference]: With dead ends: 5825 [2024-11-22 02:44:06,282 INFO L226 Difference]: Without dead ends: 4034 [2024-11-22 02:44:06,288 INFO L431 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 [2024-11-22 02:44:06,289 INFO L432 NwaCegarLoop]: 962 mSDtfsCounter, 448 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:06,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1480 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:06,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4034 states. [2024-11-22 02:44:06,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4034 to 4032. [2024-11-22 02:44:06,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4032 states, 4026 states have (on average 1.378787878787879) internal successors, (5551), 4031 states have internal predecessors, (5551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:06,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4032 states to 4032 states and 5551 transitions. [2024-11-22 02:44:06,334 INFO L78 Accepts]: Start accepts. Automaton has 4032 states and 5551 transitions. Word has length 55 [2024-11-22 02:44:06,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:06,335 INFO L471 AbstractCegarLoop]: Abstraction has 4032 states and 5551 transitions. [2024-11-22 02:44:06,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:06,335 INFO L276 IsEmpty]: Start isEmpty. Operand 4032 states and 5551 transitions. [2024-11-22 02:44:06,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-22 02:44:06,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:06,336 INFO L215 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] [2024-11-22 02:44:06,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 02:44:06,337 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:06,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:06,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1409707165, now seen corresponding path program 1 times [2024-11-22 02:44:06,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:06,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397425320] [2024-11-22 02:44:06,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:06,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:06,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:06,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:06,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397425320] [2024-11-22 02:44:06,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397425320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:06,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:06,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:44:06,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375368914] [2024-11-22 02:44:06,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:06,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:44:06,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:06,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:44:06,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:44:06,400 INFO L87 Difference]: Start difference. First operand 4032 states and 5551 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:06,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:06,605 INFO L93 Difference]: Finished difference Result 8005 states and 11199 transitions. [2024-11-22 02:44:06,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:44:06,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-22 02:44:06,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:06,621 INFO L225 Difference]: With dead ends: 8005 [2024-11-22 02:44:06,623 INFO L226 Difference]: Without dead ends: 4544 [2024-11-22 02:44:06,630 INFO L431 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 [2024-11-22 02:44:06,631 INFO L432 NwaCegarLoop]: 704 mSDtfsCounter, 693 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:06,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 1009 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:44:06,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4544 states. [2024-11-22 02:44:06,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4544 to 3633. [2024-11-22 02:44:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3633 states, 3628 states have (on average 1.3930540242557883) internal successors, (5054), 3632 states have internal predecessors, (5054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:06,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3633 states to 3633 states and 5054 transitions. [2024-11-22 02:44:06,781 INFO L78 Accepts]: Start accepts. Automaton has 3633 states and 5054 transitions. Word has length 56 [2024-11-22 02:44:06,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:06,781 INFO L471 AbstractCegarLoop]: Abstraction has 3633 states and 5054 transitions. [2024-11-22 02:44:06,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:06,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3633 states and 5054 transitions. [2024-11-22 02:44:06,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-22 02:44:06,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:06,784 INFO L215 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] [2024-11-22 02:44:06,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 02:44:06,785 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:06,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:06,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1142157029, now seen corresponding path program 1 times [2024-11-22 02:44:06,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:06,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264549335] [2024-11-22 02:44:06,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:06,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:07,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:07,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264549335] [2024-11-22 02:44:07,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264549335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:07,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:07,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 02:44:07,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269803929] [2024-11-22 02:44:07,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:07,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 02:44:07,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:07,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 02:44:07,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:44:07,627 INFO L87 Difference]: Start difference. First operand 3633 states and 5054 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:08,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:08,627 INFO L93 Difference]: Finished difference Result 6039 states and 8418 transitions. [2024-11-22 02:44:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:44:08,628 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-22 02:44:08,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:08,644 INFO L225 Difference]: With dead ends: 6039 [2024-11-22 02:44:08,644 INFO L226 Difference]: Without dead ends: 5975 [2024-11-22 02:44:08,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-22 02:44:08,648 INFO L432 NwaCegarLoop]: 836 mSDtfsCounter, 3685 mSDsluCounter, 4719 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3685 SdHoareTripleChecker+Valid, 5555 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:08,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3685 Valid, 5555 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 02:44:08,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5975 states. [2024-11-22 02:44:08,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5975 to 3620. [2024-11-22 02:44:08,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3620 states, 3616 states have (on average 1.393528761061947) internal successors, (5039), 3619 states have internal predecessors, (5039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 3620 states and 5039 transitions. [2024-11-22 02:44:08,718 INFO L78 Accepts]: Start accepts. Automaton has 3620 states and 5039 transitions. Word has length 56 [2024-11-22 02:44:08,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:08,718 INFO L471 AbstractCegarLoop]: Abstraction has 3620 states and 5039 transitions. [2024-11-22 02:44:08,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:08,719 INFO L276 IsEmpty]: Start isEmpty. Operand 3620 states and 5039 transitions. [2024-11-22 02:44:08,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-22 02:44:08,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:08,721 INFO L215 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] [2024-11-22 02:44:08,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 02:44:08,722 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:08,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:08,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1119831979, now seen corresponding path program 1 times [2024-11-22 02:44:08,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:08,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758857468] [2024-11-22 02:44:08,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:08,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:08,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:08,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758857468] [2024-11-22 02:44:08,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758857468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:08,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:08,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:44:08,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13154254] [2024-11-22 02:44:08,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:08,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:44:08,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:08,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:44:08,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:44:08,788 INFO L87 Difference]: Start difference. First operand 3620 states and 5039 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:08,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:08,974 INFO L93 Difference]: Finished difference Result 7301 states and 10334 transitions. [2024-11-22 02:44:08,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:44:08,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-22 02:44:08,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:08,981 INFO L225 Difference]: With dead ends: 7301 [2024-11-22 02:44:08,981 INFO L226 Difference]: Without dead ends: 4120 [2024-11-22 02:44:08,984 INFO L431 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 [2024-11-22 02:44:08,985 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 531 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:08,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 817 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:08,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4120 states. [2024-11-22 02:44:09,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4120 to 3309. [2024-11-22 02:44:09,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3309 states, 3306 states have (on average 1.4035087719298245) internal successors, (4640), 3308 states have internal predecessors, (4640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 3309 states and 4640 transitions. [2024-11-22 02:44:09,022 INFO L78 Accepts]: Start accepts. Automaton has 3309 states and 4640 transitions. Word has length 56 [2024-11-22 02:44:09,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:09,022 INFO L471 AbstractCegarLoop]: Abstraction has 3309 states and 4640 transitions. [2024-11-22 02:44:09,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:09,022 INFO L276 IsEmpty]: Start isEmpty. Operand 3309 states and 4640 transitions. [2024-11-22 02:44:09,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-22 02:44:09,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:09,023 INFO L215 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] [2024-11-22 02:44:09,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 02:44:09,024 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:09,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:09,024 INFO L85 PathProgramCache]: Analyzing trace with hash -198475703, now seen corresponding path program 1 times [2024-11-22 02:44:09,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:09,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428727923] [2024-11-22 02:44:09,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:09,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:09,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:09,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:09,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428727923] [2024-11-22 02:44:09,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428727923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:09,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:09,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 02:44:09,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059319625] [2024-11-22 02:44:09,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:09,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 02:44:09,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:09,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 02:44:09,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:44:09,538 INFO L87 Difference]: Start difference. First operand 3309 states and 4640 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:10,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:10,413 INFO L93 Difference]: Finished difference Result 6028 states and 8475 transitions. [2024-11-22 02:44:10,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 02:44:10,414 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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 57 [2024-11-22 02:44:10,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:10,421 INFO L225 Difference]: With dead ends: 6028 [2024-11-22 02:44:10,421 INFO L226 Difference]: Without dead ends: 6024 [2024-11-22 02:44:10,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-22 02:44:10,423 INFO L432 NwaCegarLoop]: 600 mSDtfsCounter, 3438 mSDsluCounter, 3167 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3438 SdHoareTripleChecker+Valid, 3767 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:10,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3438 Valid, 3767 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 02:44:10,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6024 states. [2024-11-22 02:44:10,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6024 to 3305. [2024-11-22 02:44:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3305 states, 3303 states have (on average 1.4035725098395397) internal successors, (4636), 3304 states have internal predecessors, (4636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 4636 transitions. [2024-11-22 02:44:10,461 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 4636 transitions. Word has length 57 [2024-11-22 02:44:10,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:10,461 INFO L471 AbstractCegarLoop]: Abstraction has 3305 states and 4636 transitions. [2024-11-22 02:44:10,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:10,462 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 4636 transitions. [2024-11-22 02:44:10,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-22 02:44:10,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:10,463 INFO L215 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] [2024-11-22 02:44:10,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 02:44:10,463 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:10,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:10,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1444192760, now seen corresponding path program 1 times [2024-11-22 02:44:10,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:10,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606221383] [2024-11-22 02:44:10,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:10,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:11,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:11,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606221383] [2024-11-22 02:44:11,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606221383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:11,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:11,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 02:44:11,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869250047] [2024-11-22 02:44:11,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:11,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 02:44:11,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:11,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 02:44:11,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:44:11,045 INFO L87 Difference]: Start difference. First operand 3305 states and 4636 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:11,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:11,706 INFO L93 Difference]: Finished difference Result 6024 states and 8470 transitions. [2024-11-22 02:44:11,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:44:11,707 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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 57 [2024-11-22 02:44:11,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:11,715 INFO L225 Difference]: With dead ends: 6024 [2024-11-22 02:44:11,715 INFO L226 Difference]: Without dead ends: 6020 [2024-11-22 02:44:11,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-22 02:44:11,718 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 3035 mSDsluCounter, 3033 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 3632 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:11,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 3632 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 02:44:11,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6020 states. [2024-11-22 02:44:11,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6020 to 3301. [2024-11-22 02:44:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3301 states, 3300 states have (on average 1.4036363636363636) internal successors, (4632), 3300 states have internal predecessors, (4632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:11,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 4632 transitions. [2024-11-22 02:44:11,759 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 4632 transitions. Word has length 57 [2024-11-22 02:44:11,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:11,759 INFO L471 AbstractCegarLoop]: Abstraction has 3301 states and 4632 transitions. [2024-11-22 02:44:11,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:11,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 4632 transitions. [2024-11-22 02:44:11,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-22 02:44:11,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:11,761 INFO L215 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] [2024-11-22 02:44:11,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 02:44:11,762 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:11,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:11,762 INFO L85 PathProgramCache]: Analyzing trace with hash -386654778, now seen corresponding path program 1 times [2024-11-22 02:44:11,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:11,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804833889] [2024-11-22 02:44:11,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:11,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:11,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:11,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804833889] [2024-11-22 02:44:11,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804833889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:11,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:11,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:44:11,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666644724] [2024-11-22 02:44:11,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:11,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:44:11,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:11,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:44:11,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:44:11,836 INFO L87 Difference]: Start difference. First operand 3301 states and 4632 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:11,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:11,918 INFO L93 Difference]: Finished difference Result 10387 states and 14898 transitions. [2024-11-22 02:44:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:44:11,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2024-11-22 02:44:11,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:11,928 INFO L225 Difference]: With dead ends: 10387 [2024-11-22 02:44:11,928 INFO L226 Difference]: Without dead ends: 7633 [2024-11-22 02:44:11,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:44:11,932 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 1493 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:11,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 1161 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:11,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7633 states. [2024-11-22 02:44:11,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7633 to 5759. [2024-11-22 02:44:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5759 states, 5758 states have (on average 1.402222994095172) internal successors, (8074), 5758 states have internal predecessors, (8074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:11,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5759 states to 5759 states and 8074 transitions. [2024-11-22 02:44:11,995 INFO L78 Accepts]: Start accepts. Automaton has 5759 states and 8074 transitions. Word has length 61 [2024-11-22 02:44:11,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:11,995 INFO L471 AbstractCegarLoop]: Abstraction has 5759 states and 8074 transitions. [2024-11-22 02:44:11,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:11,995 INFO L276 IsEmpty]: Start isEmpty. Operand 5759 states and 8074 transitions. [2024-11-22 02:44:11,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 02:44:11,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:11,997 INFO L215 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] [2024-11-22 02:44:11,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 02:44:11,997 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:11,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:11,998 INFO L85 PathProgramCache]: Analyzing trace with hash 633580297, now seen corresponding path program 1 times [2024-11-22 02:44:11,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:11,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676030467] [2024-11-22 02:44:11,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:11,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:12,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:12,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:12,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676030467] [2024-11-22 02:44:12,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676030467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:12,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:12,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:44:12,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022877712] [2024-11-22 02:44:12,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:12,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:44:12,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:12,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:44:12,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:44:12,112 INFO L87 Difference]: Start difference. First operand 5759 states and 8074 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:12,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:12,183 INFO L93 Difference]: Finished difference Result 9055 states and 12741 transitions. [2024-11-22 02:44:12,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:44:12,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-11-22 02:44:12,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:12,189 INFO L225 Difference]: With dead ends: 9055 [2024-11-22 02:44:12,189 INFO L226 Difference]: Without dead ends: 3801 [2024-11-22 02:44:12,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:44:12,194 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 1482 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:12,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1482 Valid, 763 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:12,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3801 states. [2024-11-22 02:44:12,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3801 to 3797. [2024-11-22 02:44:12,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3797 states, 3796 states have (on average 1.3777660695468914) internal successors, (5230), 3796 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:12,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 3797 states and 5230 transitions. [2024-11-22 02:44:12,229 INFO L78 Accepts]: Start accepts. Automaton has 3797 states and 5230 transitions. Word has length 62 [2024-11-22 02:44:12,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:12,229 INFO L471 AbstractCegarLoop]: Abstraction has 3797 states and 5230 transitions. [2024-11-22 02:44:12,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:12,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3797 states and 5230 transitions. [2024-11-22 02:44:12,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 02:44:12,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:12,231 INFO L215 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] [2024-11-22 02:44:12,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 02:44:12,232 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:12,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:12,232 INFO L85 PathProgramCache]: Analyzing trace with hash 480339852, now seen corresponding path program 1 times [2024-11-22 02:44:12,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:12,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710469064] [2024-11-22 02:44:12,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:12,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:12,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:12,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:12,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710469064] [2024-11-22 02:44:12,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710469064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:12,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:12,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:44:12,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409962654] [2024-11-22 02:44:12,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:12,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:44:12,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:12,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:44:12,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:44:12,321 INFO L87 Difference]: Start difference. First operand 3797 states and 5230 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:12,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:12,395 INFO L93 Difference]: Finished difference Result 10067 states and 14052 transitions. [2024-11-22 02:44:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:44:12,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 66 [2024-11-22 02:44:12,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:12,403 INFO L225 Difference]: With dead ends: 10067 [2024-11-22 02:44:12,404 INFO L226 Difference]: Without dead ends: 6775 [2024-11-22 02:44:12,407 INFO L431 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 [2024-11-22 02:44:12,408 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 258 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:12,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 839 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:12,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6775 states. [2024-11-22 02:44:12,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6775 to 6357. [2024-11-22 02:44:12,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6357 states, 6356 states have (on average 1.3791692888609188) internal successors, (8766), 6356 states have internal predecessors, (8766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:12,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6357 states to 6357 states and 8766 transitions. [2024-11-22 02:44:12,467 INFO L78 Accepts]: Start accepts. Automaton has 6357 states and 8766 transitions. Word has length 66 [2024-11-22 02:44:12,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:12,467 INFO L471 AbstractCegarLoop]: Abstraction has 6357 states and 8766 transitions. [2024-11-22 02:44:12,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:12,468 INFO L276 IsEmpty]: Start isEmpty. Operand 6357 states and 8766 transitions. [2024-11-22 02:44:12,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-22 02:44:12,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:12,469 INFO L215 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] [2024-11-22 02:44:12,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 02:44:12,470 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:12,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:12,470 INFO L85 PathProgramCache]: Analyzing trace with hash -877917453, now seen corresponding path program 1 times [2024-11-22 02:44:12,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:12,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803366297] [2024-11-22 02:44:12,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:12,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:12,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:12,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803366297] [2024-11-22 02:44:12,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803366297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:12,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:12,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:44:12,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336637535] [2024-11-22 02:44:12,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:12,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:44:12,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:12,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:44:12,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:44:12,691 INFO L87 Difference]: Start difference. First operand 6357 states and 8766 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:12,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:12,798 INFO L93 Difference]: Finished difference Result 6803 states and 9359 transitions. [2024-11-22 02:44:12,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:44:12,801 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 69 [2024-11-22 02:44:12,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:12,808 INFO L225 Difference]: With dead ends: 6803 [2024-11-22 02:44:12,808 INFO L226 Difference]: Without dead ends: 6801 [2024-11-22 02:44:12,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:44:12,810 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 0 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2533 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:12,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2533 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:12,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6801 states. [2024-11-22 02:44:12,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6801 to 6801. [2024-11-22 02:44:12,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6801 states, 6800 states have (on average 1.3544117647058824) internal successors, (9210), 6800 states have internal predecessors, (9210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:12,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6801 states to 6801 states and 9210 transitions. [2024-11-22 02:44:12,939 INFO L78 Accepts]: Start accepts. Automaton has 6801 states and 9210 transitions. Word has length 69 [2024-11-22 02:44:12,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:12,939 INFO L471 AbstractCegarLoop]: Abstraction has 6801 states and 9210 transitions. [2024-11-22 02:44:12,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 6801 states and 9210 transitions. [2024-11-22 02:44:12,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 02:44:12,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:12,942 INFO L215 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] [2024-11-22 02:44:12,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 02:44:12,942 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:12,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:12,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1274758828, now seen corresponding path program 1 times [2024-11-22 02:44:12,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:12,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537084060] [2024-11-22 02:44:12,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:12,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:13,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:13,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:13,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537084060] [2024-11-22 02:44:13,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537084060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:13,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:13,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:44:13,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173178865] [2024-11-22 02:44:13,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:13,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:44:13,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:13,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:44:13,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:44:13,015 INFO L87 Difference]: Start difference. First operand 6801 states and 9210 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:13,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:13,126 INFO L93 Difference]: Finished difference Result 18176 states and 24747 transitions. [2024-11-22 02:44:13,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:44:13,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-22 02:44:13,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:13,142 INFO L225 Difference]: With dead ends: 18176 [2024-11-22 02:44:13,143 INFO L226 Difference]: Without dead ends: 11880 [2024-11-22 02:44:13,151 INFO L431 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 [2024-11-22 02:44:13,152 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 264 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:13,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 798 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:13,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11880 states. [2024-11-22 02:44:13,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11880 to 11878. [2024-11-22 02:44:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11878 states, 11877 states have (on average 1.3431843058011281) internal successors, (15953), 11877 states have internal predecessors, (15953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11878 states to 11878 states and 15953 transitions. [2024-11-22 02:44:13,307 INFO L78 Accepts]: Start accepts. Automaton has 11878 states and 15953 transitions. Word has length 70 [2024-11-22 02:44:13,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:13,307 INFO L471 AbstractCegarLoop]: Abstraction has 11878 states and 15953 transitions. [2024-11-22 02:44:13,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:13,307 INFO L276 IsEmpty]: Start isEmpty. Operand 11878 states and 15953 transitions. [2024-11-22 02:44:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 02:44:13,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:13,309 INFO L215 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] [2024-11-22 02:44:13,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 02:44:13,309 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:13,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:13,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1811246508, now seen corresponding path program 1 times [2024-11-22 02:44:13,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:13,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465651671] [2024-11-22 02:44:13,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:13,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:13,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:13,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:13,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465651671] [2024-11-22 02:44:13,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465651671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:13,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:13,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:44:13,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089488095] [2024-11-22 02:44:13,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:13,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:44:13,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:13,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:44:13,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:44:13,429 INFO L87 Difference]: Start difference. First operand 11878 states and 15953 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:13,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:13,635 INFO L93 Difference]: Finished difference Result 20774 states and 28039 transitions. [2024-11-22 02:44:13,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:44:13,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-22 02:44:13,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:13,665 INFO L225 Difference]: With dead ends: 20774 [2024-11-22 02:44:13,665 INFO L226 Difference]: Without dead ends: 17090 [2024-11-22 02:44:13,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:44:13,674 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 955 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:13,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 1384 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:13,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17090 states. [2024-11-22 02:44:13,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17090 to 14856. [2024-11-22 02:44:13,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14856 states, 14855 states have (on average 1.340356782228206) internal successors, (19911), 14855 states have internal predecessors, (19911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:13,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14856 states to 14856 states and 19911 transitions. [2024-11-22 02:44:13,868 INFO L78 Accepts]: Start accepts. Automaton has 14856 states and 19911 transitions. Word has length 71 [2024-11-22 02:44:13,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:13,868 INFO L471 AbstractCegarLoop]: Abstraction has 14856 states and 19911 transitions. [2024-11-22 02:44:13,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:13,869 INFO L276 IsEmpty]: Start isEmpty. Operand 14856 states and 19911 transitions. [2024-11-22 02:44:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-22 02:44:13,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:13,872 INFO L215 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] [2024-11-22 02:44:13,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 02:44:13,872 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:13,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:13,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1813757315, now seen corresponding path program 1 times [2024-11-22 02:44:13,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:13,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578514323] [2024-11-22 02:44:13,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:13,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:13,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:13,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:13,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578514323] [2024-11-22 02:44:13,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578514323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:13,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:13,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:44:13,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797717226] [2024-11-22 02:44:13,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:13,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:44:13,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:13,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:44:13,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:44:13,973 INFO L87 Difference]: Start difference. First operand 14856 states and 19911 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:14,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:14,080 INFO L93 Difference]: Finished difference Result 17908 states and 23949 transitions. [2024-11-22 02:44:14,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:44:14,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 73 [2024-11-22 02:44:14,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:14,100 INFO L225 Difference]: With dead ends: 17908 [2024-11-22 02:44:14,101 INFO L226 Difference]: Without dead ends: 11810 [2024-11-22 02:44:14,110 INFO L431 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 [2024-11-22 02:44:14,111 INFO L432 NwaCegarLoop]: 576 mSDtfsCounter, 169 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:14,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 956 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:44:14,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11810 states. [2024-11-22 02:44:14,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11810 to 11740. [2024-11-22 02:44:14,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11740 states, 11739 states have (on average 1.3168924099156658) internal successors, (15459), 11739 states have internal predecessors, (15459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:14,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11740 states to 11740 states and 15459 transitions. [2024-11-22 02:44:14,370 INFO L78 Accepts]: Start accepts. Automaton has 11740 states and 15459 transitions. Word has length 73 [2024-11-22 02:44:14,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:14,370 INFO L471 AbstractCegarLoop]: Abstraction has 11740 states and 15459 transitions. [2024-11-22 02:44:14,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:14,370 INFO L276 IsEmpty]: Start isEmpty. Operand 11740 states and 15459 transitions. [2024-11-22 02:44:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 02:44:14,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:14,372 INFO L215 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] [2024-11-22 02:44:14,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 02:44:14,373 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:14,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:14,373 INFO L85 PathProgramCache]: Analyzing trace with hash -711762074, now seen corresponding path program 1 times [2024-11-22 02:44:14,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:14,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274996983] [2024-11-22 02:44:14,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:14,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:14,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:14,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:14,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274996983] [2024-11-22 02:44:14,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274996983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:14,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:14,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:44:14,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927316364] [2024-11-22 02:44:14,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:14,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 02:44:14,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:14,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 02:44:14,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:44:14,551 INFO L87 Difference]: Start difference. First operand 11740 states and 15459 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:15,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:15,374 INFO L93 Difference]: Finished difference Result 27508 states and 36401 transitions. [2024-11-22 02:44:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 02:44:15,375 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-22 02:44:15,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:15,452 INFO L225 Difference]: With dead ends: 27508 [2024-11-22 02:44:15,452 INFO L226 Difference]: Without dead ends: 21282 [2024-11-22 02:44:15,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-22 02:44:15,477 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 2385 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2385 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:15,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2385 Valid, 733 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 02:44:15,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21282 states. [2024-11-22 02:44:15,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21282 to 13600. [2024-11-22 02:44:15,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13600 states, 13599 states have (on average 1.3069343334068682) internal successors, (17773), 13599 states have internal predecessors, (17773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13600 states to 13600 states and 17773 transitions. [2024-11-22 02:44:15,779 INFO L78 Accepts]: Start accepts. Automaton has 13600 states and 17773 transitions. Word has length 74 [2024-11-22 02:44:15,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:15,780 INFO L471 AbstractCegarLoop]: Abstraction has 13600 states and 17773 transitions. [2024-11-22 02:44:15,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 13600 states and 17773 transitions. [2024-11-22 02:44:15,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-22 02:44:15,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:15,782 INFO L215 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] [2024-11-22 02:44:15,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 02:44:15,782 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:15,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:15,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1397189844, now seen corresponding path program 1 times [2024-11-22 02:44:15,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:15,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004851905] [2024-11-22 02:44:15,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:15,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:15,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:15,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004851905] [2024-11-22 02:44:15,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004851905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:15,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:15,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:44:15,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390900654] [2024-11-22 02:44:15,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:15,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:44:15,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:15,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:44:15,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:44:15,867 INFO L87 Difference]: Start difference. First operand 13600 states and 17773 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:15,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:15,970 INFO L93 Difference]: Finished difference Result 20110 states and 26473 transitions. [2024-11-22 02:44:15,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:44:15,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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 75 [2024-11-22 02:44:15,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:15,987 INFO L225 Difference]: With dead ends: 20110 [2024-11-22 02:44:15,987 INFO L226 Difference]: Without dead ends: 17496 [2024-11-22 02:44:15,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:44:15,992 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 926 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:15,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 1413 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:15,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17496 states. [2024-11-22 02:44:16,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17496 to 16166. [2024-11-22 02:44:16,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16166 states, 16165 states have (on average 1.3089390658830806) internal successors, (21159), 16165 states have internal predecessors, (21159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:16,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16166 states to 16166 states and 21159 transitions. [2024-11-22 02:44:16,252 INFO L78 Accepts]: Start accepts. Automaton has 16166 states and 21159 transitions. Word has length 75 [2024-11-22 02:44:16,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:16,252 INFO L471 AbstractCegarLoop]: Abstraction has 16166 states and 21159 transitions. [2024-11-22 02:44:16,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand 16166 states and 21159 transitions. [2024-11-22 02:44:16,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-22 02:44:16,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:16,255 INFO L215 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] [2024-11-22 02:44:16,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 02:44:16,255 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:16,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:16,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1322911146, now seen corresponding path program 1 times [2024-11-22 02:44:16,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:16,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140720462] [2024-11-22 02:44:16,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:16,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:16,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:16,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140720462] [2024-11-22 02:44:16,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140720462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:16,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:16,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:44:16,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449328553] [2024-11-22 02:44:16,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:16,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:44:16,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:16,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:44:16,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:44:16,362 INFO L87 Difference]: Start difference. First operand 16166 states and 21159 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:16,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:16,510 INFO L93 Difference]: Finished difference Result 25150 states and 33141 transitions. [2024-11-22 02:44:16,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:44:16,511 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 77 [2024-11-22 02:44:16,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:16,543 INFO L225 Difference]: With dead ends: 25150 [2024-11-22 02:44:16,543 INFO L226 Difference]: Without dead ends: 20960 [2024-11-22 02:44:16,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:44:16,555 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 965 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:16,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 1341 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:16,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20960 states. [2024-11-22 02:44:16,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20960 to 19630. [2024-11-22 02:44:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19630 states, 19629 states have (on average 1.3090325538743695) internal successors, (25695), 19629 states have internal predecessors, (25695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:16,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19630 states to 19630 states and 25695 transitions. [2024-11-22 02:44:16,777 INFO L78 Accepts]: Start accepts. Automaton has 19630 states and 25695 transitions. Word has length 77 [2024-11-22 02:44:16,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:16,777 INFO L471 AbstractCegarLoop]: Abstraction has 19630 states and 25695 transitions. [2024-11-22 02:44:16,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:16,778 INFO L276 IsEmpty]: Start isEmpty. Operand 19630 states and 25695 transitions. [2024-11-22 02:44:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-22 02:44:16,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:16,781 INFO L215 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] [2024-11-22 02:44:16,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 02:44:16,782 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:16,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:16,782 INFO L85 PathProgramCache]: Analyzing trace with hash -300132612, now seen corresponding path program 1 times [2024-11-22 02:44:16,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:16,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710100583] [2024-11-22 02:44:16,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:16,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:16,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:16,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:16,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710100583] [2024-11-22 02:44:16,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710100583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:16,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:16,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:44:16,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741580423] [2024-11-22 02:44:16,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:16,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:44:16,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:16,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:44:16,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:44:16,941 INFO L87 Difference]: Start difference. First operand 19630 states and 25695 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:17,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:17,135 INFO L93 Difference]: Finished difference Result 28456 states and 37380 transitions. [2024-11-22 02:44:17,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:44:17,135 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-22 02:44:17,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:17,162 INFO L225 Difference]: With dead ends: 28456 [2024-11-22 02:44:17,163 INFO L226 Difference]: Without dead ends: 20802 [2024-11-22 02:44:17,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:44:17,339 INFO L432 NwaCegarLoop]: 600 mSDtfsCounter, 1000 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:17,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 1243 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:17,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20802 states. [2024-11-22 02:44:17,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20802 to 19474. [2024-11-22 02:44:17,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19474 states, 19473 states have (on average 1.306167513993735) internal successors, (25435), 19473 states have internal predecessors, (25435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:17,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19474 states to 19474 states and 25435 transitions. [2024-11-22 02:44:17,597 INFO L78 Accepts]: Start accepts. Automaton has 19474 states and 25435 transitions. Word has length 82 [2024-11-22 02:44:17,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:17,598 INFO L471 AbstractCegarLoop]: Abstraction has 19474 states and 25435 transitions. [2024-11-22 02:44:17,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:17,598 INFO L276 IsEmpty]: Start isEmpty. Operand 19474 states and 25435 transitions. [2024-11-22 02:44:17,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-22 02:44:17,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:17,603 INFO L215 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] [2024-11-22 02:44:17,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-22 02:44:17,604 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:17,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:17,605 INFO L85 PathProgramCache]: Analyzing trace with hash -769071113, now seen corresponding path program 1 times [2024-11-22 02:44:17,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:17,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27293119] [2024-11-22 02:44:17,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:17,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:17,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:17,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27293119] [2024-11-22 02:44:17,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27293119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:17,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:17,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:44:17,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55447875] [2024-11-22 02:44:17,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:17,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:44:17,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:17,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:44:17,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:44:17,804 INFO L87 Difference]: Start difference. First operand 19474 states and 25435 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:17,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:17,970 INFO L93 Difference]: Finished difference Result 26308 states and 34436 transitions. [2024-11-22 02:44:17,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:44:17,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-22 02:44:17,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:18,010 INFO L225 Difference]: With dead ends: 26308 [2024-11-22 02:44:18,010 INFO L226 Difference]: Without dead ends: 20670 [2024-11-22 02:44:18,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:44:18,024 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 965 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:18,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 1271 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:18,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20670 states. [2024-11-22 02:44:18,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20670 to 19342. [2024-11-22 02:44:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19342 states, 19341 states have (on average 1.303707150612688) internal successors, (25215), 19341 states have internal predecessors, (25215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19342 states to 19342 states and 25215 transitions. [2024-11-22 02:44:18,284 INFO L78 Accepts]: Start accepts. Automaton has 19342 states and 25215 transitions. Word has length 82 [2024-11-22 02:44:18,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:18,284 INFO L471 AbstractCegarLoop]: Abstraction has 19342 states and 25215 transitions. [2024-11-22 02:44:18,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 19342 states and 25215 transitions. [2024-11-22 02:44:18,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-22 02:44:18,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:18,290 INFO L215 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] [2024-11-22 02:44:18,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-22 02:44:18,290 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:18,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:18,291 INFO L85 PathProgramCache]: Analyzing trace with hash 86710773, now seen corresponding path program 1 times [2024-11-22 02:44:18,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:18,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681854898] [2024-11-22 02:44:18,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:18,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:18,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:18,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681854898] [2024-11-22 02:44:18,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681854898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:18,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:18,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:44:18,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577928558] [2024-11-22 02:44:18,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:18,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:44:18,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:18,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:44:18,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:44:18,588 INFO L87 Difference]: Start difference. First operand 19342 states and 25215 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:18,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:18,778 INFO L93 Difference]: Finished difference Result 25752 states and 33736 transitions. [2024-11-22 02:44:18,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:44:18,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-22 02:44:18,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:18,814 INFO L225 Difference]: With dead ends: 25752 [2024-11-22 02:44:18,814 INFO L226 Difference]: Without dead ends: 20574 [2024-11-22 02:44:18,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:44:18,830 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 919 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:18,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [919 Valid, 1409 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:18,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20574 states. [2024-11-22 02:44:19,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20574 to 19246. [2024-11-22 02:44:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19246 states, 19245 states have (on average 1.3018965965185763) internal successors, (25055), 19245 states have internal predecessors, (25055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:19,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19246 states to 19246 states and 25055 transitions. [2024-11-22 02:44:19,181 INFO L78 Accepts]: Start accepts. Automaton has 19246 states and 25055 transitions. Word has length 82 [2024-11-22 02:44:19,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:19,181 INFO L471 AbstractCegarLoop]: Abstraction has 19246 states and 25055 transitions. [2024-11-22 02:44:19,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:19,182 INFO L276 IsEmpty]: Start isEmpty. Operand 19246 states and 25055 transitions. [2024-11-22 02:44:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-22 02:44:19,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:19,188 INFO L215 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] [2024-11-22 02:44:19,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-22 02:44:19,189 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:19,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:19,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1124855035, now seen corresponding path program 1 times [2024-11-22 02:44:19,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:19,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471802773] [2024-11-22 02:44:19,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:19,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:19,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:19,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471802773] [2024-11-22 02:44:19,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471802773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:19,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:19,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:44:19,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434498641] [2024-11-22 02:44:19,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:19,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 02:44:19,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:19,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 02:44:19,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:44:19,389 INFO L87 Difference]: Start difference. First operand 19246 states and 25055 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:19,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:19,994 INFO L93 Difference]: Finished difference Result 22364 states and 29019 transitions. [2024-11-22 02:44:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 02:44:19,995 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 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 83 [2024-11-22 02:44:19,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:20,030 INFO L225 Difference]: With dead ends: 22364 [2024-11-22 02:44:20,031 INFO L226 Difference]: Without dead ends: 21714 [2024-11-22 02:44:20,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:44:20,043 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 2142 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2142 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:20,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2142 Valid, 663 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 02:44:20,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21714 states. [2024-11-22 02:44:20,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21714 to 19244. [2024-11-22 02:44:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19244 states, 19243 states have (on average 1.301824039910617) internal successors, (25051), 19243 states have internal predecessors, (25051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:20,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19244 states to 19244 states and 25051 transitions. [2024-11-22 02:44:20,381 INFO L78 Accepts]: Start accepts. Automaton has 19244 states and 25051 transitions. Word has length 83 [2024-11-22 02:44:20,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:20,382 INFO L471 AbstractCegarLoop]: Abstraction has 19244 states and 25051 transitions. [2024-11-22 02:44:20,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:20,382 INFO L276 IsEmpty]: Start isEmpty. Operand 19244 states and 25051 transitions. [2024-11-22 02:44:20,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-22 02:44:20,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:20,388 INFO L215 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] [2024-11-22 02:44:20,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-22 02:44:20,389 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:20,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:20,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1942182266, now seen corresponding path program 1 times [2024-11-22 02:44:20,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:20,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172820049] [2024-11-22 02:44:20,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:20,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:20,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:20,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:20,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172820049] [2024-11-22 02:44:20,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172820049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:20,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:20,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:44:20,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489081463] [2024-11-22 02:44:20,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:20,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 02:44:20,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:20,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 02:44:20,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:44:20,569 INFO L87 Difference]: Start difference. First operand 19244 states and 25051 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:21,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:21,070 INFO L93 Difference]: Finished difference Result 22362 states and 29015 transitions. [2024-11-22 02:44:21,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 02:44:21,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 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 83 [2024-11-22 02:44:21,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:21,103 INFO L225 Difference]: With dead ends: 22362 [2024-11-22 02:44:21,104 INFO L226 Difference]: Without dead ends: 21712 [2024-11-22 02:44:21,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:44:21,114 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 2146 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2146 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:21,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2146 Valid, 655 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 02:44:21,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21712 states. [2024-11-22 02:44:21,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21712 to 19242. [2024-11-22 02:44:21,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19242 states, 19241 states have (on average 1.3017514682189075) internal successors, (25047), 19241 states have internal predecessors, (25047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:21,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19242 states to 19242 states and 25047 transitions. [2024-11-22 02:44:21,378 INFO L78 Accepts]: Start accepts. Automaton has 19242 states and 25047 transitions. Word has length 83 [2024-11-22 02:44:21,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:21,378 INFO L471 AbstractCegarLoop]: Abstraction has 19242 states and 25047 transitions. [2024-11-22 02:44:21,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:21,379 INFO L276 IsEmpty]: Start isEmpty. Operand 19242 states and 25047 transitions. [2024-11-22 02:44:21,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-22 02:44:21,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:21,386 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:44:21,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-22 02:44:21,386 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:21,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:21,387 INFO L85 PathProgramCache]: Analyzing trace with hash -519982526, now seen corresponding path program 1 times [2024-11-22 02:44:21,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:21,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276862784] [2024-11-22 02:44:21,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:21,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:21,785 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-22 02:44:21,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:21,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276862784] [2024-11-22 02:44:21,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276862784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:21,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:21,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:44:21,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296187292] [2024-11-22 02:44:21,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:21,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:44:21,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:21,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:44:21,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:44:21,790 INFO L87 Difference]: Start difference. First operand 19242 states and 25047 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:22,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:22,736 INFO L93 Difference]: Finished difference Result 44864 states and 58412 transitions. [2024-11-22 02:44:22,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:44:22,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-22 02:44:22,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:22,770 INFO L225 Difference]: With dead ends: 44864 [2024-11-22 02:44:22,770 INFO L226 Difference]: Without dead ends: 31899 [2024-11-22 02:44:22,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:44:22,787 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 2801 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2801 SdHoareTripleChecker+Valid, 1440 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:22,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2801 Valid, 1440 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1139 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 02:44:22,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31899 states. [2024-11-22 02:44:22,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31899 to 19227. [2024-11-22 02:44:23,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19227 states, 19226 states have (on average 1.3019348798502028) internal successors, (25031), 19226 states have internal predecessors, (25031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:23,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19227 states to 19227 states and 25031 transitions. [2024-11-22 02:44:23,028 INFO L78 Accepts]: Start accepts. Automaton has 19227 states and 25031 transitions. Word has length 91 [2024-11-22 02:44:23,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:23,028 INFO L471 AbstractCegarLoop]: Abstraction has 19227 states and 25031 transitions. [2024-11-22 02:44:23,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:23,028 INFO L276 IsEmpty]: Start isEmpty. Operand 19227 states and 25031 transitions. [2024-11-22 02:44:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-22 02:44:23,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:23,035 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:44:23,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-22 02:44:23,035 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:23,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:23,036 INFO L85 PathProgramCache]: Analyzing trace with hash 2119738424, now seen corresponding path program 1 times [2024-11-22 02:44:23,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:23,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714614976] [2024-11-22 02:44:23,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:23,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:23,385 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:23,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:23,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714614976] [2024-11-22 02:44:23,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714614976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:23,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:23,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-22 02:44:23,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691521725] [2024-11-22 02:44:23,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:23,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 02:44:23,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:23,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 02:44:23,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:44:23,388 INFO L87 Difference]: Start difference. First operand 19227 states and 25031 transitions. Second operand has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 11 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:24,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:24,467 INFO L93 Difference]: Finished difference Result 38485 states and 49682 transitions. [2024-11-22 02:44:24,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 02:44:24,467 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 11 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-22 02:44:24,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:24,512 INFO L225 Difference]: With dead ends: 38485 [2024-11-22 02:44:24,512 INFO L226 Difference]: Without dead ends: 31309 [2024-11-22 02:44:24,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2024-11-22 02:44:24,529 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 2026 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:24,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 1896 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 02:44:24,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31309 states. [2024-11-22 02:44:24,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31309 to 27623. [2024-11-22 02:44:24,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27623 states, 27622 states have (on average 1.2953804938092826) internal successors, (35781), 27622 states have internal predecessors, (35781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:24,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27623 states to 27623 states and 35781 transitions. [2024-11-22 02:44:24,871 INFO L78 Accepts]: Start accepts. Automaton has 27623 states and 35781 transitions. Word has length 91 [2024-11-22 02:44:24,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:24,871 INFO L471 AbstractCegarLoop]: Abstraction has 27623 states and 35781 transitions. [2024-11-22 02:44:24,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 11 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:24,872 INFO L276 IsEmpty]: Start isEmpty. Operand 27623 states and 35781 transitions. [2024-11-22 02:44:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 02:44:24,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:24,881 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:44:24,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-22 02:44:24,881 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:24,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:24,882 INFO L85 PathProgramCache]: Analyzing trace with hash -997443330, now seen corresponding path program 1 times [2024-11-22 02:44:24,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:24,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511675081] [2024-11-22 02:44:24,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:24,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:25,522 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:25,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:25,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511675081] [2024-11-22 02:44:25,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511675081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:44:25,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389412924] [2024-11-22 02:44:25,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:25,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:44:25,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:44:25,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:44:25,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 02:44:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:26,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-22 02:44:26,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:44:27,461 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:27,461 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:44:28,446 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:28,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389412924] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:44:28,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:44:28,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 12] total 25 [2024-11-22 02:44:28,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047730040] [2024-11-22 02:44:28,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:44:28,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-22 02:44:28,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:28,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-22 02:44:28,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2024-11-22 02:44:28,452 INFO L87 Difference]: Start difference. First operand 27623 states and 35781 transitions. Second operand has 26 states, 26 states have (on average 9.0) internal successors, (234), 25 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:34,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:34,417 INFO L93 Difference]: Finished difference Result 241858 states and 310008 transitions. [2024-11-22 02:44:34,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-22 02:44:34,418 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 9.0) internal successors, (234), 25 states have internal predecessors, (234), 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 92 [2024-11-22 02:44:34,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:35,276 INFO L225 Difference]: With dead ends: 241858 [2024-11-22 02:44:35,276 INFO L226 Difference]: Without dead ends: 224640 [2024-11-22 02:44:35,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3434 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=2543, Invalid=7963, Unknown=0, NotChecked=0, Total=10506 [2024-11-22 02:44:35,412 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 5736 mSDsluCounter, 3346 mSDsCounter, 0 mSdLazyCounter, 3754 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5736 SdHoareTripleChecker+Valid, 3693 SdHoareTripleChecker+Invalid, 3899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 3754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:35,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5736 Valid, 3693 Invalid, 3899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 3754 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-22 02:44:35,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224640 states. [2024-11-22 02:44:36,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224640 to 28034. [2024-11-22 02:44:36,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28034 states, 28033 states have (on average 1.2945813862233795) internal successors, (36291), 28033 states have internal predecessors, (36291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:36,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28034 states to 28034 states and 36291 transitions. [2024-11-22 02:44:36,937 INFO L78 Accepts]: Start accepts. Automaton has 28034 states and 36291 transitions. Word has length 92 [2024-11-22 02:44:36,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:36,937 INFO L471 AbstractCegarLoop]: Abstraction has 28034 states and 36291 transitions. [2024-11-22 02:44:36,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.0) internal successors, (234), 25 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:36,938 INFO L276 IsEmpty]: Start isEmpty. Operand 28034 states and 36291 transitions. [2024-11-22 02:44:36,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 02:44:36,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:36,947 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:44:36,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 02:44:37,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-22 02:44:37,149 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:37,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:37,149 INFO L85 PathProgramCache]: Analyzing trace with hash -726489001, now seen corresponding path program 1 times [2024-11-22 02:44:37,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:37,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866476819] [2024-11-22 02:44:37,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:37,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:37,695 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-22 02:44:37,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:37,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866476819] [2024-11-22 02:44:37,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866476819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:37,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:37,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 02:44:37,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761314413] [2024-11-22 02:44:37,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:37,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 02:44:37,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:37,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 02:44:37,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:44:37,698 INFO L87 Difference]: Start difference. First operand 28034 states and 36291 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:38,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:38,339 INFO L93 Difference]: Finished difference Result 34398 states and 44491 transitions. [2024-11-22 02:44:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 02:44:38,339 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-22 02:44:38,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:38,382 INFO L225 Difference]: With dead ends: 34398 [2024-11-22 02:44:38,382 INFO L226 Difference]: Without dead ends: 26898 [2024-11-22 02:44:38,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-22 02:44:38,399 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 1165 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:38,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1165 Valid, 979 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 02:44:38,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26898 states. [2024-11-22 02:44:39,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26898 to 26896. [2024-11-22 02:44:39,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26896 states, 26895 states have (on average 1.2948875255623722) internal successors, (34826), 26895 states have internal predecessors, (34826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:39,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26896 states to 26896 states and 34826 transitions. [2024-11-22 02:44:39,087 INFO L78 Accepts]: Start accepts. Automaton has 26896 states and 34826 transitions. Word has length 92 [2024-11-22 02:44:39,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:39,088 INFO L471 AbstractCegarLoop]: Abstraction has 26896 states and 34826 transitions. [2024-11-22 02:44:39,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:39,088 INFO L276 IsEmpty]: Start isEmpty. Operand 26896 states and 34826 transitions. [2024-11-22 02:44:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-22 02:44:39,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:39,097 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:44:39,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-22 02:44:39,097 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:39,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:39,098 INFO L85 PathProgramCache]: Analyzing trace with hash -282579005, now seen corresponding path program 1 times [2024-11-22 02:44:39,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:39,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640871619] [2024-11-22 02:44:39,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:39,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:39,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:39,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640871619] [2024-11-22 02:44:39,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640871619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:39,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:39,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:44:39,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921662224] [2024-11-22 02:44:39,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:39,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:44:39,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:39,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:44:39,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:44:39,226 INFO L87 Difference]: Start difference. First operand 26896 states and 34826 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:39,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:39,599 INFO L93 Difference]: Finished difference Result 52820 states and 68516 transitions. [2024-11-22 02:44:39,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:44:39,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 93 [2024-11-22 02:44:39,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:39,638 INFO L225 Difference]: With dead ends: 52820 [2024-11-22 02:44:39,639 INFO L226 Difference]: Without dead ends: 26898 [2024-11-22 02:44:39,654 INFO L431 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 [2024-11-22 02:44:39,654 INFO L432 NwaCegarLoop]: 534 mSDtfsCounter, 214 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:39,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 845 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:44:39,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26898 states. [2024-11-22 02:44:39,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26898 to 26896. [2024-11-22 02:44:40,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26896 states, 26895 states have (on average 1.2837330358802752) internal successors, (34526), 26895 states have internal predecessors, (34526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:40,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26896 states to 26896 states and 34526 transitions. [2024-11-22 02:44:40,069 INFO L78 Accepts]: Start accepts. Automaton has 26896 states and 34526 transitions. Word has length 93 [2024-11-22 02:44:40,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:40,070 INFO L471 AbstractCegarLoop]: Abstraction has 26896 states and 34526 transitions. [2024-11-22 02:44:40,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:40,070 INFO L276 IsEmpty]: Start isEmpty. Operand 26896 states and 34526 transitions. [2024-11-22 02:44:40,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-22 02:44:40,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:40,082 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:44:40,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-22 02:44:40,083 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:40,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:40,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1679194756, now seen corresponding path program 1 times [2024-11-22 02:44:40,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:40,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120943368] [2024-11-22 02:44:40,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:40,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:40,636 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:40,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:40,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120943368] [2024-11-22 02:44:40,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120943368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:44:40,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489150847] [2024-11-22 02:44:40,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:40,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:44:40,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:44:40,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:44:40,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 02:44:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:40,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-22 02:44:40,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:44:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:41,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:44:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:42,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489150847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:44:42,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:44:42,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 18 [2024-11-22 02:44:42,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592780508] [2024-11-22 02:44:42,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:44:42,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 02:44:42,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:42,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 02:44:42,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2024-11-22 02:44:42,157 INFO L87 Difference]: Start difference. First operand 26896 states and 34526 transitions. Second operand has 18 states, 18 states have (on average 12.88888888888889) internal successors, (232), 18 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:43,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:43,385 INFO L93 Difference]: Finished difference Result 157244 states and 200903 transitions. [2024-11-22 02:44:43,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-22 02:44:43,386 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 12.88888888888889) internal successors, (232), 18 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-22 02:44:43,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:43,570 INFO L225 Difference]: With dead ends: 157244 [2024-11-22 02:44:43,570 INFO L226 Difference]: Without dead ends: 131292 [2024-11-22 02:44:44,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=560, Invalid=1420, Unknown=0, NotChecked=0, Total=1980 [2024-11-22 02:44:44,066 INFO L432 NwaCegarLoop]: 843 mSDtfsCounter, 4332 mSDsluCounter, 2650 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4332 SdHoareTripleChecker+Valid, 3493 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:44,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4332 Valid, 3493 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 02:44:44,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131292 states. [2024-11-22 02:44:45,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131292 to 96019. [2024-11-22 02:44:45,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96019 states, 96018 states have (on average 1.2724905746839135) internal successors, (122182), 96018 states have internal predecessors, (122182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:45,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96019 states to 96019 states and 122182 transitions. [2024-11-22 02:44:45,660 INFO L78 Accepts]: Start accepts. Automaton has 96019 states and 122182 transitions. Word has length 93 [2024-11-22 02:44:45,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:45,660 INFO L471 AbstractCegarLoop]: Abstraction has 96019 states and 122182 transitions. [2024-11-22 02:44:45,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.88888888888889) internal successors, (232), 18 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:45,660 INFO L276 IsEmpty]: Start isEmpty. Operand 96019 states and 122182 transitions. [2024-11-22 02:44:45,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-22 02:44:45,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:45,666 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:44:45,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 02:44:45,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-22 02:44:45,870 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:45,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:45,872 INFO L85 PathProgramCache]: Analyzing trace with hash -392285213, now seen corresponding path program 1 times [2024-11-22 02:44:45,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:45,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807618694] [2024-11-22 02:44:45,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:45,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:46,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:46,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807618694] [2024-11-22 02:44:46,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807618694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:46,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:46,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:44:46,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471505947] [2024-11-22 02:44:46,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:46,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:44:46,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:46,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:44:46,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:44:46,473 INFO L87 Difference]: Start difference. First operand 96019 states and 122182 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:46,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:46,850 INFO L93 Difference]: Finished difference Result 130246 states and 165743 transitions. [2024-11-22 02:44:46,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:44:46,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 95 [2024-11-22 02:44:46,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:46,922 INFO L225 Difference]: With dead ends: 130246 [2024-11-22 02:44:46,922 INFO L226 Difference]: Without dead ends: 54619 [2024-11-22 02:44:46,972 INFO L431 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 [2024-11-22 02:44:46,973 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 139 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:46,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 854 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:44:47,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54619 states. [2024-11-22 02:44:47,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54619 to 50231. [2024-11-22 02:44:47,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50231 states, 50230 states have (on average 1.2663547680668923) internal successors, (63609), 50230 states have internal predecessors, (63609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50231 states to 50231 states and 63609 transitions. [2024-11-22 02:44:48,071 INFO L78 Accepts]: Start accepts. Automaton has 50231 states and 63609 transitions. Word has length 95 [2024-11-22 02:44:48,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:48,072 INFO L471 AbstractCegarLoop]: Abstraction has 50231 states and 63609 transitions. [2024-11-22 02:44:48,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:48,072 INFO L276 IsEmpty]: Start isEmpty. Operand 50231 states and 63609 transitions. [2024-11-22 02:44:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-22 02:44:48,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:48,076 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:44:48,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-22 02:44:48,076 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:48,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:48,077 INFO L85 PathProgramCache]: Analyzing trace with hash 786160522, now seen corresponding path program 1 times [2024-11-22 02:44:48,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:48,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529438901] [2024-11-22 02:44:48,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:48,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:48,167 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:48,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:48,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529438901] [2024-11-22 02:44:48,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529438901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:48,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:48,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:44:48,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058067101] [2024-11-22 02:44:48,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:48,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:44:48,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:48,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:44:48,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:44:48,170 INFO L87 Difference]: Start difference. First operand 50231 states and 63609 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:48,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:48,607 INFO L93 Difference]: Finished difference Result 96648 states and 122228 transitions. [2024-11-22 02:44:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:44:48,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-22 02:44:48,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:48,666 INFO L225 Difference]: With dead ends: 96648 [2024-11-22 02:44:48,666 INFO L226 Difference]: Without dead ends: 47000 [2024-11-22 02:44:48,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:44:48,700 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 890 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:48,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 654 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 02:44:48,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47000 states. [2024-11-22 02:44:49,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47000 to 46298. [2024-11-22 02:44:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46298 states, 46297 states have (on average 1.242477914335702) internal successors, (57523), 46297 states have internal predecessors, (57523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46298 states to 46298 states and 57523 transitions. [2024-11-22 02:44:49,657 INFO L78 Accepts]: Start accepts. Automaton has 46298 states and 57523 transitions. Word has length 97 [2024-11-22 02:44:49,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:49,657 INFO L471 AbstractCegarLoop]: Abstraction has 46298 states and 57523 transitions. [2024-11-22 02:44:49,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 46298 states and 57523 transitions. [2024-11-22 02:44:49,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 02:44:49,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:49,664 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:44:49,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-22 02:44:49,664 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:49,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:49,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1473568878, now seen corresponding path program 1 times [2024-11-22 02:44:49,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:49,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631978472] [2024-11-22 02:44:49,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:49,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:49,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:49,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631978472] [2024-11-22 02:44:49,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631978472] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:44:49,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733043415] [2024-11-22 02:44:49,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:49,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:44:49,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:44:49,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:44:49,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 02:44:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:50,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 02:44:50,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:44:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:50,614 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:44:50,742 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:50,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733043415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:44:50,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:44:50,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-22 02:44:50,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640024793] [2024-11-22 02:44:50,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:44:50,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 02:44:50,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:50,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 02:44:50,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-22 02:44:50,745 INFO L87 Difference]: Start difference. First operand 46298 states and 57523 transitions. Second operand has 14 states, 14 states have (on average 19.214285714285715) internal successors, (269), 14 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:51,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:51,619 INFO L93 Difference]: Finished difference Result 142417 states and 175729 transitions. [2024-11-22 02:44:51,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 02:44:51,620 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 19.214285714285715) internal successors, (269), 14 states have internal predecessors, (269), 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 99 [2024-11-22 02:44:51,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:51,735 INFO L225 Difference]: With dead ends: 142417 [2024-11-22 02:44:51,735 INFO L226 Difference]: Without dead ends: 96779 [2024-11-22 02:44:51,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:44:51,779 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 3645 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3645 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:51,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3645 Valid, 1485 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 02:44:51,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96779 states. [2024-11-22 02:44:52,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96779 to 66198. [2024-11-22 02:44:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66198 states, 66197 states have (on average 1.2127437799296041) internal successors, (80280), 66197 states have internal predecessors, (80280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:53,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66198 states to 66198 states and 80280 transitions. [2024-11-22 02:44:53,098 INFO L78 Accepts]: Start accepts. Automaton has 66198 states and 80280 transitions. Word has length 99 [2024-11-22 02:44:53,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:53,098 INFO L471 AbstractCegarLoop]: Abstraction has 66198 states and 80280 transitions. [2024-11-22 02:44:53,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 19.214285714285715) internal successors, (269), 14 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 66198 states and 80280 transitions. [2024-11-22 02:44:53,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 02:44:53,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:53,103 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:44:53,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 02:44:53,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:44:53,304 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:53,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:53,305 INFO L85 PathProgramCache]: Analyzing trace with hash 816252923, now seen corresponding path program 1 times [2024-11-22 02:44:53,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:53,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373718227] [2024-11-22 02:44:53,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:53,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 02:44:53,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:53,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373718227] [2024-11-22 02:44:53,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373718227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:53,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:53,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:44:53,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758575628] [2024-11-22 02:44:53,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:53,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:44:53,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:53,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:44:53,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:44:53,363 INFO L87 Difference]: Start difference. First operand 66198 states and 80280 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:54,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:54,186 INFO L93 Difference]: Finished difference Result 95242 states and 115278 transitions. [2024-11-22 02:44:54,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:44:54,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-22 02:44:54,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:54,246 INFO L225 Difference]: With dead ends: 95242 [2024-11-22 02:44:54,247 INFO L226 Difference]: Without dead ends: 48718 [2024-11-22 02:44:54,280 INFO L431 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 [2024-11-22 02:44:54,281 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 147 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:54,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 824 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:44:54,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48718 states. [2024-11-22 02:44:54,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48718 to 48600. [2024-11-22 02:44:54,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48600 states, 48599 states have (on average 1.1998600794255025) internal successors, (58312), 48599 states have internal predecessors, (58312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:54,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48600 states to 48600 states and 58312 transitions. [2024-11-22 02:44:54,880 INFO L78 Accepts]: Start accepts. Automaton has 48600 states and 58312 transitions. Word has length 101 [2024-11-22 02:44:54,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:54,880 INFO L471 AbstractCegarLoop]: Abstraction has 48600 states and 58312 transitions. [2024-11-22 02:44:54,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:54,881 INFO L276 IsEmpty]: Start isEmpty. Operand 48600 states and 58312 transitions. [2024-11-22 02:44:54,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 02:44:54,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:54,886 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:44:54,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-22 02:44:54,886 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:54,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:54,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1376297544, now seen corresponding path program 1 times [2024-11-22 02:44:54,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:54,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207551370] [2024-11-22 02:44:54,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:54,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 02:44:54,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:54,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207551370] [2024-11-22 02:44:54,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207551370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:54,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:54,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:44:54,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463334299] [2024-11-22 02:44:54,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:54,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:44:54,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:54,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:44:54,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:44:54,984 INFO L87 Difference]: Start difference. First operand 48600 states and 58312 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:56,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:56,085 INFO L93 Difference]: Finished difference Result 85809 states and 102644 transitions. [2024-11-22 02:44:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:44:56,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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 103 [2024-11-22 02:44:56,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:56,178 INFO L225 Difference]: With dead ends: 85809 [2024-11-22 02:44:56,178 INFO L226 Difference]: Without dead ends: 69927 [2024-11-22 02:44:56,190 INFO L431 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 [2024-11-22 02:44:56,191 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 300 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:56,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 923 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 02:44:56,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69927 states. [2024-11-22 02:44:56,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69927 to 56683. [2024-11-22 02:44:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56683 states, 56682 states have (on average 1.2007339190571964) internal successors, (68060), 56682 states have internal predecessors, (68060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:56,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56683 states to 56683 states and 68060 transitions. [2024-11-22 02:44:56,730 INFO L78 Accepts]: Start accepts. Automaton has 56683 states and 68060 transitions. Word has length 103 [2024-11-22 02:44:56,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:56,730 INFO L471 AbstractCegarLoop]: Abstraction has 56683 states and 68060 transitions. [2024-11-22 02:44:56,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 56683 states and 68060 transitions. [2024-11-22 02:44:56,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 02:44:56,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:56,734 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:44:56,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-22 02:44:56,734 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:56,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:56,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1867220663, now seen corresponding path program 1 times [2024-11-22 02:44:56,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:56,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175153043] [2024-11-22 02:44:56,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:56,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:56,897 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 02:44:56,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:56,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175153043] [2024-11-22 02:44:56,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175153043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:44:56,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:44:56,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:44:56,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275786195] [2024-11-22 02:44:56,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:44:56,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:44:56,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:44:56,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:44:56,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:44:56,905 INFO L87 Difference]: Start difference. First operand 56683 states and 68060 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:57,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:44:57,910 INFO L93 Difference]: Finished difference Result 128862 states and 154033 transitions. [2024-11-22 02:44:57,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:44:57,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 103 [2024-11-22 02:44:57,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:44:57,993 INFO L225 Difference]: With dead ends: 128862 [2024-11-22 02:44:57,993 INFO L226 Difference]: Without dead ends: 72745 [2024-11-22 02:44:58,024 INFO L431 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 [2024-11-22 02:44:58,024 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 270 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:44:58,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 738 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:44:58,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72745 states. [2024-11-22 02:44:58,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72745 to 68854. [2024-11-22 02:44:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68854 states, 68853 states have (on average 1.1788302615717543) internal successors, (81166), 68853 states have internal predecessors, (81166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:58,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68854 states to 68854 states and 81166 transitions. [2024-11-22 02:44:58,774 INFO L78 Accepts]: Start accepts. Automaton has 68854 states and 81166 transitions. Word has length 103 [2024-11-22 02:44:58,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:44:58,774 INFO L471 AbstractCegarLoop]: Abstraction has 68854 states and 81166 transitions. [2024-11-22 02:44:58,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:44:58,774 INFO L276 IsEmpty]: Start isEmpty. Operand 68854 states and 81166 transitions. [2024-11-22 02:44:58,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-22 02:44:58,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:44:58,781 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:44:58,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-22 02:44:58,781 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-22 02:44:58,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:44:58,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2078840790, now seen corresponding path program 1 times [2024-11-22 02:44:58,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:44:58,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896375493] [2024-11-22 02:44:58,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:58,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:44:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:59,424 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:44:59,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:44:59,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896375493] [2024-11-22 02:44:59,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896375493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:44:59,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519597483] [2024-11-22 02:44:59,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:44:59,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:44:59,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:44:59,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:44:59,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 02:44:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:44:59,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-22 02:44:59,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:45:00,385 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:45:00,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:45:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:45:01,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519597483] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:45:01,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:45:01,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 15] total 34 [2024-11-22 02:45:01,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071633630] [2024-11-22 02:45:01,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:45:01,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-22 02:45:01,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:45:01,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-22 02:45:01,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1043, Unknown=0, NotChecked=0, Total=1190 [2024-11-22 02:45:01,165 INFO L87 Difference]: Start difference. First operand 68854 states and 81166 transitions. Second operand has 35 states, 35 states have (on average 8.285714285714286) internal successors, (290), 34 states have internal predecessors, (290), 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)