./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-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 afa96f494675daaffb7cf8ecfbe30f06e1bb06b9219ecf3df6181ac4e4f076f6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 01:41:35,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 01:41:35,830 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 01:41:35,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 01:41:35,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 01:41:35,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 01:41:35,870 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 01:41:35,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 01:41:35,872 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 01:41:35,875 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 01:41:35,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 01:41:35,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 01:41:35,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 01:41:35,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 01:41:35,877 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 01:41:35,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 01:41:35,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 01:41:35,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 01:41:35,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 01:41:35,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 01:41:35,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 01:41:35,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 01:41:35,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 01:41:35,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 01:41:35,883 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 01:41:35,883 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 01:41:35,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 01:41:35,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 01:41:35,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 01:41:35,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 01:41:35,884 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 01:41:35,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 01:41:35,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:41:35,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 01:41:35,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 01:41:35,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 01:41:35,887 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 01:41:35,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 01:41:35,888 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 01:41:35,888 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 01:41:35,889 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 01:41:35,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 01:41:35,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afa96f494675daaffb7cf8ecfbe30f06e1bb06b9219ecf3df6181ac4e4f076f6 [2024-10-24 01:41:36,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 01:41:36,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 01:41:36,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 01:41:36,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 01:41:36,191 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 01:41:36,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-10-24 01:41:37,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 01:41:38,018 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 01:41:38,020 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-10-24 01:41:38,055 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b19adc43/a8e351dda74e4b20b1d1b45f19581cee/FLAGfbb99653b [2024-10-24 01:41:38,071 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b19adc43/a8e351dda74e4b20b1d1b45f19581cee [2024-10-24 01:41:38,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 01:41:38,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 01:41:38,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 01:41:38,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 01:41:38,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 01:41:38,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:41:38" (1/1) ... [2024-10-24 01:41:38,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6391e57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:38, skipping insertion in model container [2024-10-24 01:41:38,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:41:38" (1/1) ... [2024-10-24 01:41:38,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 01:41:38,590 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12460,12473] [2024-10-24 01:41:38,632 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[19746,19759] [2024-10-24 01:41:38,650 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[22098,22111] [2024-10-24 01:41:38,656 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23218,23231] [2024-10-24 01:41:38,674 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[26768,26781] [2024-10-24 01:41:38,680 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[27891,27904] [2024-10-24 01:41:38,689 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[30206,30219] [2024-10-24 01:41:39,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:41:39,118 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 01:41:39,169 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12460,12473] [2024-10-24 01:41:39,183 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[19746,19759] [2024-10-24 01:41:39,189 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[22098,22111] [2024-10-24 01:41:39,193 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23218,23231] [2024-10-24 01:41:39,201 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[26768,26781] [2024-10-24 01:41:39,205 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[27891,27904] [2024-10-24 01:41:39,210 WARN L248 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[30206,30219] [2024-10-24 01:41:39,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:41:39,505 INFO L204 MainTranslator]: Completed translation [2024-10-24 01:41:39,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39 WrapperNode [2024-10-24 01:41:39,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 01:41:39,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 01:41:39,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 01:41:39,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 01:41:39,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39" (1/1) ... [2024-10-24 01:41:39,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39" (1/1) ... [2024-10-24 01:41:39,729 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7679 [2024-10-24 01:41:39,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 01:41:39,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 01:41:39,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 01:41:39,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 01:41:39,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39" (1/1) ... [2024-10-24 01:41:39,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39" (1/1) ... [2024-10-24 01:41:39,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39" (1/1) ... [2024-10-24 01:41:39,831 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]. [2024-10-24 01:41:39,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39" (1/1) ... [2024-10-24 01:41:39,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39" (1/1) ... [2024-10-24 01:41:39,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39" (1/1) ... [2024-10-24 01:41:39,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39" (1/1) ... [2024-10-24 01:41:40,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39" (1/1) ... [2024-10-24 01:41:40,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39" (1/1) ... [2024-10-24 01:41:40,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 01:41:40,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 01:41:40,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 01:41:40,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 01:41:40,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39" (1/1) ... [2024-10-24 01:41:40,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:41:40,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 01:41:40,077 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) [2024-10-24 01:41:40,080 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 [2024-10-24 01:41:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 01:41:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 01:41:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 01:41:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 01:41:40,417 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 01:41:40,419 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 01:41:43,648 INFO L? ?]: Removed 1280 outVars from TransFormulas that were not future-live. [2024-10-24 01:41:43,648 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 01:41:43,748 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 01:41:43,748 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 01:41:43,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:41:43 BoogieIcfgContainer [2024-10-24 01:41:43,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 01:41:43,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 01:41:43,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 01:41:43,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 01:41:43,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:41:38" (1/3) ... [2024-10-24 01:41:43,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0d35ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:41:43, skipping insertion in model container [2024-10-24 01:41:43,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:39" (2/3) ... [2024-10-24 01:41:43,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0d35ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:41:43, skipping insertion in model container [2024-10-24 01:41:43,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:41:43" (3/3) ... [2024-10-24 01:41:43,763 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-10-24 01:41:43,778 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 01:41:43,778 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-10-24 01:41:43,882 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 01:41:43,890 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;@5429f029, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 01:41:43,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-24 01:41:43,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 1104 states, 1096 states have (on average 1.8868613138686132) internal successors, (2068), 1103 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:43,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-24 01:41:43,932 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:43,933 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] [2024-10-24 01:41:43,933 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:43,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:43,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1184813438, now seen corresponding path program 1 times [2024-10-24 01:41:43,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:43,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784875151] [2024-10-24 01:41:43,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:43,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:44,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:44,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:44,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784875151] [2024-10-24 01:41:44,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784875151] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:44,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:44,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:41:44,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245738558] [2024-10-24 01:41:44,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:44,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:41:44,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:44,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:41:44,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:44,504 INFO L87 Difference]: Start difference. First operand has 1104 states, 1096 states have (on average 1.8868613138686132) internal successors, (2068), 1103 states have internal predecessors, (2068), 0 states have call successors, (0), 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 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:44,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:44,766 INFO L93 Difference]: Finished difference Result 1461 states and 2647 transitions. [2024-10-24 01:41:44,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:41:44,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-10-24 01:41:44,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:44,798 INFO L225 Difference]: With dead ends: 1461 [2024-10-24 01:41:44,798 INFO L226 Difference]: Without dead ends: 1287 [2024-10-24 01:41:44,802 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 [2024-10-24 01:41:44,806 INFO L432 NwaCegarLoop]: 2049 mSDtfsCounter, 968 mSDsluCounter, 1273 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 3322 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:44,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [968 Valid, 3322 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:41:44,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-10-24 01:41:44,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1279. [2024-10-24 01:41:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 1272 states have (on average 1.3168238993710693) internal successors, (1675), 1278 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:44,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1675 transitions. [2024-10-24 01:41:44,902 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1675 transitions. Word has length 63 [2024-10-24 01:41:44,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:44,902 INFO L471 AbstractCegarLoop]: Abstraction has 1279 states and 1675 transitions. [2024-10-24 01:41:44,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:44,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1675 transitions. [2024-10-24 01:41:44,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-24 01:41:44,908 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:44,909 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] [2024-10-24 01:41:44,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 01:41:44,909 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:44,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:44,910 INFO L85 PathProgramCache]: Analyzing trace with hash 2003436219, now seen corresponding path program 1 times [2024-10-24 01:41:44,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:44,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526027534] [2024-10-24 01:41:44,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:44,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:45,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:45,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:45,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526027534] [2024-10-24 01:41:45,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526027534] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:45,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:45,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:41:45,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947658827] [2024-10-24 01:41:45,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:45,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:41:45,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:45,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:41:45,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:45,100 INFO L87 Difference]: Start difference. First operand 1279 states and 1675 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:45,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:45,234 INFO L93 Difference]: Finished difference Result 1929 states and 2621 transitions. [2024-10-24 01:41:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:41:45,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-10-24 01:41:45,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:45,244 INFO L225 Difference]: With dead ends: 1929 [2024-10-24 01:41:45,245 INFO L226 Difference]: Without dead ends: 1575 [2024-10-24 01:41:45,248 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 [2024-10-24 01:41:45,249 INFO L432 NwaCegarLoop]: 1422 mSDtfsCounter, 717 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 2313 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:45,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 2313 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:41:45,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2024-10-24 01:41:45,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1567. [2024-10-24 01:41:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1560 states have (on average 1.3403846153846153) internal successors, (2091), 1566 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:45,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2091 transitions. [2024-10-24 01:41:45,290 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2091 transitions. Word has length 63 [2024-10-24 01:41:45,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:45,290 INFO L471 AbstractCegarLoop]: Abstraction has 1567 states and 2091 transitions. [2024-10-24 01:41:45,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:45,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2091 transitions. [2024-10-24 01:41:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-24 01:41:45,294 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:45,294 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] [2024-10-24 01:41:45,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 01:41:45,295 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:45,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:45,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1542392687, now seen corresponding path program 1 times [2024-10-24 01:41:45,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:45,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705039668] [2024-10-24 01:41:45,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:45,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:45,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:45,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:45,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705039668] [2024-10-24 01:41:45,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705039668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:45,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:45,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:41:45,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193195739] [2024-10-24 01:41:45,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:45,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:41:45,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:45,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:41:45,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:45,510 INFO L87 Difference]: Start difference. First operand 1567 states and 2091 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:46,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:46,126 INFO L93 Difference]: Finished difference Result 3045 states and 4187 transitions. [2024-10-24 01:41:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:41:46,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-10-24 01:41:46,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:46,134 INFO L225 Difference]: With dead ends: 3045 [2024-10-24 01:41:46,137 INFO L226 Difference]: Without dead ends: 1786 [2024-10-24 01:41:46,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:46,140 INFO L432 NwaCegarLoop]: 677 mSDtfsCounter, 3665 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3665 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:46,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3665 Valid, 833 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:41:46,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2024-10-24 01:41:46,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1778. [2024-10-24 01:41:46,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1778 states, 1771 states have (on average 1.3879164313946923) internal successors, (2458), 1777 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:46,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2458 transitions. [2024-10-24 01:41:46,179 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2458 transitions. Word has length 63 [2024-10-24 01:41:46,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:46,180 INFO L471 AbstractCegarLoop]: Abstraction has 1778 states and 2458 transitions. [2024-10-24 01:41:46,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:46,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2458 transitions. [2024-10-24 01:41:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-24 01:41:46,184 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:46,184 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] [2024-10-24 01:41:46,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 01:41:46,185 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:46,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:46,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1152487412, now seen corresponding path program 1 times [2024-10-24 01:41:46,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:46,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633443085] [2024-10-24 01:41:46,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:46,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:46,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:46,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:46,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633443085] [2024-10-24 01:41:46,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633443085] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:46,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:46,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:41:46,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906155063] [2024-10-24 01:41:46,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:46,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:41:46,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:46,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:41:46,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:46,305 INFO L87 Difference]: Start difference. First operand 1778 states and 2458 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:46,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:46,367 INFO L93 Difference]: Finished difference Result 4128 states and 5822 transitions. [2024-10-24 01:41:46,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:41:46,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2024-10-24 01:41:46,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:46,380 INFO L225 Difference]: With dead ends: 4128 [2024-10-24 01:41:46,381 INFO L226 Difference]: Without dead ends: 2952 [2024-10-24 01:41:46,385 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 [2024-10-24 01:41:46,386 INFO L432 NwaCegarLoop]: 1420 mSDtfsCounter, 897 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 2138 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:46,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 2138 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:41:46,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2952 states. [2024-10-24 01:41:46,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2952 to 2940. [2024-10-24 01:41:46,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2940 states, 2933 states have (on average 1.3897033753835664) internal successors, (4076), 2939 states have internal predecessors, (4076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 4076 transitions. [2024-10-24 01:41:46,489 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 4076 transitions. Word has length 64 [2024-10-24 01:41:46,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:46,491 INFO L471 AbstractCegarLoop]: Abstraction has 2940 states and 4076 transitions. [2024-10-24 01:41:46,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 4076 transitions. [2024-10-24 01:41:46,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-24 01:41:46,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:46,497 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] [2024-10-24 01:41:46,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 01:41:46,498 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:46,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:46,499 INFO L85 PathProgramCache]: Analyzing trace with hash -998210018, now seen corresponding path program 1 times [2024-10-24 01:41:46,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:46,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365239457] [2024-10-24 01:41:46,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:46,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:46,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:46,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365239457] [2024-10-24 01:41:46,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365239457] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:46,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:46,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:41:46,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145499025] [2024-10-24 01:41:46,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:46,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:41:46,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:46,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:41:46,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:46,658 INFO L87 Difference]: Start difference. First operand 2940 states and 4076 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:47,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:47,262 INFO L93 Difference]: Finished difference Result 5811 states and 8152 transitions. [2024-10-24 01:41:47,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:41:47,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2024-10-24 01:41:47,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:47,276 INFO L225 Difference]: With dead ends: 5811 [2024-10-24 01:41:47,276 INFO L226 Difference]: Without dead ends: 3475 [2024-10-24 01:41:47,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:47,281 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 3065 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3065 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:47,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3065 Valid, 694 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:41:47,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3475 states. [2024-10-24 01:41:47,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3475 to 3459. [2024-10-24 01:41:47,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3459 states, 3452 states have (on average 1.3829663962920047) internal successors, (4774), 3458 states have internal predecessors, (4774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 3459 states and 4774 transitions. [2024-10-24 01:41:47,362 INFO L78 Accepts]: Start accepts. Automaton has 3459 states and 4774 transitions. Word has length 64 [2024-10-24 01:41:47,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:47,362 INFO L471 AbstractCegarLoop]: Abstraction has 3459 states and 4774 transitions. [2024-10-24 01:41:47,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:47,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3459 states and 4774 transitions. [2024-10-24 01:41:47,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-24 01:41:47,366 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:47,366 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] [2024-10-24 01:41:47,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 01:41:47,367 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:47,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:47,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1760122824, now seen corresponding path program 1 times [2024-10-24 01:41:47,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:47,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372077885] [2024-10-24 01:41:47,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:47,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:47,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:47,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:47,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372077885] [2024-10-24 01:41:47,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372077885] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:47,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:47,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:41:47,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931729455] [2024-10-24 01:41:47,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:47,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:41:47,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:47,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:41:47,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:47,577 INFO L87 Difference]: Start difference. First operand 3459 states and 4774 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:48,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:48,118 INFO L93 Difference]: Finished difference Result 7376 states and 10335 transitions. [2024-10-24 01:41:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:41:48,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2024-10-24 01:41:48,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:48,140 INFO L225 Difference]: With dead ends: 7376 [2024-10-24 01:41:48,140 INFO L226 Difference]: Without dead ends: 4350 [2024-10-24 01:41:48,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:48,150 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 2811 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:48,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 662 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:41:48,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4350 states. [2024-10-24 01:41:48,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4350 to 4330. [2024-10-24 01:41:48,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4330 states, 4323 states have (on average 1.3930141105713625) internal successors, (6022), 4329 states have internal predecessors, (6022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:48,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4330 states to 4330 states and 6022 transitions. [2024-10-24 01:41:48,267 INFO L78 Accepts]: Start accepts. Automaton has 4330 states and 6022 transitions. Word has length 64 [2024-10-24 01:41:48,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:48,268 INFO L471 AbstractCegarLoop]: Abstraction has 4330 states and 6022 transitions. [2024-10-24 01:41:48,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:48,268 INFO L276 IsEmpty]: Start isEmpty. Operand 4330 states and 6022 transitions. [2024-10-24 01:41:48,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-24 01:41:48,273 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:48,274 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] [2024-10-24 01:41:48,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 01:41:48,274 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:48,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:48,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1332635061, now seen corresponding path program 1 times [2024-10-24 01:41:48,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:48,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558020828] [2024-10-24 01:41:48,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:48,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:48,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:48,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558020828] [2024-10-24 01:41:48,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558020828] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:48,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:48,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:41:48,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367056672] [2024-10-24 01:41:48,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:48,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:41:48,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:48,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:41:48,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:48,467 INFO L87 Difference]: Start difference. First operand 4330 states and 6022 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:48,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:48,916 INFO L93 Difference]: Finished difference Result 11213 states and 15834 transitions. [2024-10-24 01:41:48,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:41:48,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-10-24 01:41:48,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:48,942 INFO L225 Difference]: With dead ends: 11213 [2024-10-24 01:41:48,942 INFO L226 Difference]: Without dead ends: 7121 [2024-10-24 01:41:48,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:48,951 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 2473 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2473 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:48,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2473 Valid, 591 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:41:48,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7121 states. [2024-10-24 01:41:49,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7121 to 7113. [2024-10-24 01:41:49,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7113 states, 7106 states have (on average 1.4081058260624824) internal successors, (10006), 7112 states have internal predecessors, (10006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:49,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7113 states to 7113 states and 10006 transitions. [2024-10-24 01:41:49,099 INFO L78 Accepts]: Start accepts. Automaton has 7113 states and 10006 transitions. Word has length 65 [2024-10-24 01:41:49,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:49,099 INFO L471 AbstractCegarLoop]: Abstraction has 7113 states and 10006 transitions. [2024-10-24 01:41:49,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:49,100 INFO L276 IsEmpty]: Start isEmpty. Operand 7113 states and 10006 transitions. [2024-10-24 01:41:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 01:41:49,104 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:49,105 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] [2024-10-24 01:41:49,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 01:41:49,105 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:49,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:49,106 INFO L85 PathProgramCache]: Analyzing trace with hash -254635222, now seen corresponding path program 1 times [2024-10-24 01:41:49,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:49,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963878579] [2024-10-24 01:41:49,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:49,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:49,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:49,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963878579] [2024-10-24 01:41:49,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963878579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:49,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:49,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:41:49,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238073186] [2024-10-24 01:41:49,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:49,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:41:49,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:49,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:41:49,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:49,190 INFO L87 Difference]: Start difference. First operand 7113 states and 10006 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) [2024-10-24 01:41:49,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:49,304 INFO L93 Difference]: Finished difference Result 15733 states and 22227 transitions. [2024-10-24 01:41:49,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:41:49,305 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 [2024-10-24 01:41:49,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:49,346 INFO L225 Difference]: With dead ends: 15733 [2024-10-24 01:41:49,346 INFO L226 Difference]: Without dead ends: 9781 [2024-10-24 01:41:49,356 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 [2024-10-24 01:41:49,357 INFO L432 NwaCegarLoop]: 836 mSDtfsCounter, 499 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:49,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 1361 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:41:49,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9781 states. [2024-10-24 01:41:49,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9781 to 9737. [2024-10-24 01:41:49,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9737 states, 9730 states have (on average 1.3830421377183968) internal successors, (13457), 9736 states have internal predecessors, (13457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:49,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9737 states to 9737 states and 13457 transitions. [2024-10-24 01:41:49,538 INFO L78 Accepts]: Start accepts. Automaton has 9737 states and 13457 transitions. Word has length 66 [2024-10-24 01:41:49,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:49,538 INFO L471 AbstractCegarLoop]: Abstraction has 9737 states and 13457 transitions. [2024-10-24 01:41:49,539 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) [2024-10-24 01:41:49,539 INFO L276 IsEmpty]: Start isEmpty. Operand 9737 states and 13457 transitions. [2024-10-24 01:41:49,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-24 01:41:49,547 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:49,547 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] [2024-10-24 01:41:49,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 01:41:49,547 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:49,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:49,548 INFO L85 PathProgramCache]: Analyzing trace with hash 2145810939, now seen corresponding path program 1 times [2024-10-24 01:41:49,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:49,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80384072] [2024-10-24 01:41:49,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:49,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:49,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:49,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80384072] [2024-10-24 01:41:49,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80384072] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:49,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:49,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:41:49,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83301339] [2024-10-24 01:41:49,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:49,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:41:49,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:49,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:41:49,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:49,759 INFO L87 Difference]: Start difference. First operand 9737 states and 13457 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:50,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:50,440 INFO L93 Difference]: Finished difference Result 27451 states and 38509 transitions. [2024-10-24 01:41:50,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 01:41:50,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-10-24 01:41:50,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:50,487 INFO L225 Difference]: With dead ends: 27451 [2024-10-24 01:41:50,487 INFO L226 Difference]: Without dead ends: 23800 [2024-10-24 01:41:50,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:41:50,503 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 3231 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3231 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:50,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3231 Valid, 1120 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:41:50,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23800 states. [2024-10-24 01:41:50,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23800 to 9805. [2024-10-24 01:41:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9805 states, 9798 states have (on average 1.3824249846907533) internal successors, (13545), 9804 states have internal predecessors, (13545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9805 states to 9805 states and 13545 transitions. [2024-10-24 01:41:50,824 INFO L78 Accepts]: Start accepts. Automaton has 9805 states and 13545 transitions. Word has length 67 [2024-10-24 01:41:50,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:50,825 INFO L471 AbstractCegarLoop]: Abstraction has 9805 states and 13545 transitions. [2024-10-24 01:41:50,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 9805 states and 13545 transitions. [2024-10-24 01:41:50,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-24 01:41:50,833 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:50,834 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] [2024-10-24 01:41:50,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 01:41:50,834 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:50,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:50,835 INFO L85 PathProgramCache]: Analyzing trace with hash -2044326195, now seen corresponding path program 1 times [2024-10-24 01:41:50,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:50,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711095186] [2024-10-24 01:41:50,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:50,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:51,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:51,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:51,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711095186] [2024-10-24 01:41:51,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711095186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:51,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:51,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:41:51,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57309188] [2024-10-24 01:41:51,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:51,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:41:51,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:51,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:41:51,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:51,013 INFO L87 Difference]: Start difference. First operand 9805 states and 13545 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:51,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:51,651 INFO L93 Difference]: Finished difference Result 26124 states and 36561 transitions. [2024-10-24 01:41:51,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 01:41:51,651 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-10-24 01:41:51,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:51,775 INFO L225 Difference]: With dead ends: 26124 [2024-10-24 01:41:51,775 INFO L226 Difference]: Without dead ends: 21482 [2024-10-24 01:41:51,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:41:51,790 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 3135 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:51,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3135 Valid, 1102 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:41:51,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21482 states. [2024-10-24 01:41:51,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21482 to 9961. [2024-10-24 01:41:52,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9961 states, 9954 states have (on average 1.3814546915812738) internal successors, (13751), 9960 states have internal predecessors, (13751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:52,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9961 states to 9961 states and 13751 transitions. [2024-10-24 01:41:52,020 INFO L78 Accepts]: Start accepts. Automaton has 9961 states and 13751 transitions. Word has length 67 [2024-10-24 01:41:52,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:52,020 INFO L471 AbstractCegarLoop]: Abstraction has 9961 states and 13751 transitions. [2024-10-24 01:41:52,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:52,021 INFO L276 IsEmpty]: Start isEmpty. Operand 9961 states and 13751 transitions. [2024-10-24 01:41:52,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-24 01:41:52,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:52,029 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] [2024-10-24 01:41:52,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 01:41:52,029 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:52,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:52,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1189983517, now seen corresponding path program 1 times [2024-10-24 01:41:52,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:52,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737286355] [2024-10-24 01:41:52,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:52,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:52,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:52,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:52,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737286355] [2024-10-24 01:41:52,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737286355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:52,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:52,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:41:52,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657874983] [2024-10-24 01:41:52,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:52,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:41:52,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:52,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:41:52,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:52,221 INFO L87 Difference]: Start difference. First operand 9961 states and 13751 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:52,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:52,937 INFO L93 Difference]: Finished difference Result 23556 states and 32839 transitions. [2024-10-24 01:41:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 01:41:52,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-10-24 01:41:52,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:52,971 INFO L225 Difference]: With dead ends: 23556 [2024-10-24 01:41:52,971 INFO L226 Difference]: Without dead ends: 19280 [2024-10-24 01:41:52,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:41:52,983 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 3058 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:52,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3058 Valid, 1083 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:41:52,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19280 states. [2024-10-24 01:41:53,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19280 to 10032. [2024-10-24 01:41:53,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 10025 states have (on average 1.3815461346633418) internal successors, (13850), 10031 states have internal predecessors, (13850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:53,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 13850 transitions. [2024-10-24 01:41:53,263 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 13850 transitions. Word has length 67 [2024-10-24 01:41:53,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:53,264 INFO L471 AbstractCegarLoop]: Abstraction has 10032 states and 13850 transitions. [2024-10-24 01:41:53,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 13850 transitions. [2024-10-24 01:41:53,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-24 01:41:53,273 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:53,273 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] [2024-10-24 01:41:53,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 01:41:53,273 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:53,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:53,274 INFO L85 PathProgramCache]: Analyzing trace with hash -92881536, now seen corresponding path program 1 times [2024-10-24 01:41:53,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:53,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107305587] [2024-10-24 01:41:53,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:53,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:53,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:53,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:53,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107305587] [2024-10-24 01:41:53,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107305587] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:53,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:53,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:41:53,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860962518] [2024-10-24 01:41:53,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:53,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:41:53,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:53,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:41:53,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:53,481 INFO L87 Difference]: Start difference. First operand 10032 states and 13850 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:54,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:54,025 INFO L93 Difference]: Finished difference Result 21344 states and 29648 transitions. [2024-10-24 01:41:54,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 01:41:54,026 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-10-24 01:41:54,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:54,049 INFO L225 Difference]: With dead ends: 21344 [2024-10-24 01:41:54,050 INFO L226 Difference]: Without dead ends: 16602 [2024-10-24 01:41:54,062 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 [2024-10-24 01:41:54,062 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 2887 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2887 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:54,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2887 Valid, 1058 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:41:54,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16602 states. [2024-10-24 01:41:54,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16602 to 10067. [2024-10-24 01:41:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10067 states, 10060 states have (on average 1.3812127236580516) internal successors, (13895), 10066 states have internal predecessors, (13895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10067 states to 10067 states and 13895 transitions. [2024-10-24 01:41:54,307 INFO L78 Accepts]: Start accepts. Automaton has 10067 states and 13895 transitions. Word has length 67 [2024-10-24 01:41:54,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:54,307 INFO L471 AbstractCegarLoop]: Abstraction has 10067 states and 13895 transitions. [2024-10-24 01:41:54,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:54,308 INFO L276 IsEmpty]: Start isEmpty. Operand 10067 states and 13895 transitions. [2024-10-24 01:41:54,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 01:41:54,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:54,317 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] [2024-10-24 01:41:54,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 01:41:54,318 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:54,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:54,319 INFO L85 PathProgramCache]: Analyzing trace with hash 680595235, now seen corresponding path program 1 times [2024-10-24 01:41:54,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:54,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422576520] [2024-10-24 01:41:54,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:54,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:54,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:54,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:54,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422576520] [2024-10-24 01:41:54,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422576520] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:54,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:54,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:41:54,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015092962] [2024-10-24 01:41:54,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:54,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:41:54,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:54,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:41:54,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:54,662 INFO L87 Difference]: Start difference. First operand 10067 states and 13895 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:55,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:55,336 INFO L93 Difference]: Finished difference Result 21512 states and 30144 transitions. [2024-10-24 01:41:55,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 01:41:55,337 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-24 01:41:55,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:55,352 INFO L225 Difference]: With dead ends: 21512 [2024-10-24 01:41:55,352 INFO L226 Difference]: Without dead ends: 14379 [2024-10-24 01:41:55,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:41:55,360 INFO L432 NwaCegarLoop]: 421 mSDtfsCounter, 1343 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 1452 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:55,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1343 Valid, 1452 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:41:55,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14379 states. [2024-10-24 01:41:55,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14379 to 9761. [2024-10-24 01:41:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9761 states, 9754 states have (on average 1.380151732622514) internal successors, (13462), 9760 states have internal predecessors, (13462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:55,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9761 states to 9761 states and 13462 transitions. [2024-10-24 01:41:55,510 INFO L78 Accepts]: Start accepts. Automaton has 9761 states and 13462 transitions. Word has length 68 [2024-10-24 01:41:55,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:55,511 INFO L471 AbstractCegarLoop]: Abstraction has 9761 states and 13462 transitions. [2024-10-24 01:41:55,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:55,511 INFO L276 IsEmpty]: Start isEmpty. Operand 9761 states and 13462 transitions. [2024-10-24 01:41:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 01:41:55,518 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:55,518 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] [2024-10-24 01:41:55,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 01:41:55,518 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:55,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:55,519 INFO L85 PathProgramCache]: Analyzing trace with hash 718017329, now seen corresponding path program 1 times [2024-10-24 01:41:55,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:55,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523350426] [2024-10-24 01:41:55,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:55,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:55,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:55,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:55,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523350426] [2024-10-24 01:41:55,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523350426] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:55,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:55,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:41:55,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263918100] [2024-10-24 01:41:55,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:55,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:41:55,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:55,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:41:55,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:41:55,846 INFO L87 Difference]: Start difference. First operand 9761 states and 13462 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:56,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:56,669 INFO L93 Difference]: Finished difference Result 20048 states and 28029 transitions. [2024-10-24 01:41:56,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:41:56,670 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-24 01:41:56,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:56,688 INFO L225 Difference]: With dead ends: 20048 [2024-10-24 01:41:56,688 INFO L226 Difference]: Without dead ends: 13373 [2024-10-24 01:41:56,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:41:56,699 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 1651 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 1798 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:56,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 1798 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:41:56,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13373 states. [2024-10-24 01:41:56,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13373 to 9626. [2024-10-24 01:41:56,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9626 states, 9619 states have (on average 1.3798731676889489) internal successors, (13273), 9625 states have internal predecessors, (13273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9626 states to 9626 states and 13273 transitions. [2024-10-24 01:41:56,831 INFO L78 Accepts]: Start accepts. Automaton has 9626 states and 13273 transitions. Word has length 68 [2024-10-24 01:41:56,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:56,831 INFO L471 AbstractCegarLoop]: Abstraction has 9626 states and 13273 transitions. [2024-10-24 01:41:56,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 9626 states and 13273 transitions. [2024-10-24 01:41:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 01:41:56,838 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:56,838 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] [2024-10-24 01:41:56,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 01:41:56,839 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:56,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:56,839 INFO L85 PathProgramCache]: Analyzing trace with hash -2097490812, now seen corresponding path program 1 times [2024-10-24 01:41:56,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:56,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033297854] [2024-10-24 01:41:56,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:56,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:57,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:57,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:57,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033297854] [2024-10-24 01:41:57,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033297854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:57,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:57,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:41:57,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206125295] [2024-10-24 01:41:57,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:57,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:41:57,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:57,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:41:57,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:41:57,199 INFO L87 Difference]: Start difference. First operand 9626 states and 13273 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:58,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:58,102 INFO L93 Difference]: Finished difference Result 21283 states and 29793 transitions. [2024-10-24 01:41:58,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:41:58,103 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-24 01:41:58,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:58,121 INFO L225 Difference]: With dead ends: 21283 [2024-10-24 01:41:58,121 INFO L226 Difference]: Without dead ends: 14832 [2024-10-24 01:41:58,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:41:58,132 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 2548 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2548 SdHoareTripleChecker+Valid, 1916 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:58,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2548 Valid, 1916 Invalid, 1208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:41:58,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14832 states. [2024-10-24 01:41:58,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14832 to 9602. [2024-10-24 01:41:58,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9602 states, 9595 states have (on average 1.3792600312662846) internal successors, (13234), 9601 states have internal predecessors, (13234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:58,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9602 states to 9602 states and 13234 transitions. [2024-10-24 01:41:58,320 INFO L78 Accepts]: Start accepts. Automaton has 9602 states and 13234 transitions. Word has length 68 [2024-10-24 01:41:58,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:58,321 INFO L471 AbstractCegarLoop]: Abstraction has 9602 states and 13234 transitions. [2024-10-24 01:41:58,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:58,321 INFO L276 IsEmpty]: Start isEmpty. Operand 9602 states and 13234 transitions. [2024-10-24 01:41:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 01:41:58,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:58,328 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] [2024-10-24 01:41:58,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 01:41:58,328 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:58,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:58,329 INFO L85 PathProgramCache]: Analyzing trace with hash 2111634662, now seen corresponding path program 1 times [2024-10-24 01:41:58,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:58,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950026046] [2024-10-24 01:41:58,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:58,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:58,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:58,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950026046] [2024-10-24 01:41:58,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950026046] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:58,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:58,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:41:58,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457031664] [2024-10-24 01:41:58,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:58,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:41:58,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:58,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:41:58,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:41:58,663 INFO L87 Difference]: Start difference. First operand 9602 states and 13234 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:59,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:59,487 INFO L93 Difference]: Finished difference Result 21073 states and 29484 transitions. [2024-10-24 01:41:59,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:41:59,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-24 01:41:59,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:59,502 INFO L225 Difference]: With dead ends: 21073 [2024-10-24 01:41:59,502 INFO L226 Difference]: Without dead ends: 14649 [2024-10-24 01:41:59,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:41:59,511 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 1480 mSDsluCounter, 1574 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:59,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 2050 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:41:59,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14649 states. [2024-10-24 01:41:59,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14649 to 9590. [2024-10-24 01:41:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9590 states, 9583 states have (on average 1.378587081289784) internal successors, (13211), 9589 states have internal predecessors, (13211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:59,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9590 states to 9590 states and 13211 transitions. [2024-10-24 01:41:59,643 INFO L78 Accepts]: Start accepts. Automaton has 9590 states and 13211 transitions. Word has length 68 [2024-10-24 01:41:59,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:59,643 INFO L471 AbstractCegarLoop]: Abstraction has 9590 states and 13211 transitions. [2024-10-24 01:41:59,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:41:59,643 INFO L276 IsEmpty]: Start isEmpty. Operand 9590 states and 13211 transitions. [2024-10-24 01:41:59,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 01:41:59,648 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:59,648 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] [2024-10-24 01:41:59,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 01:41:59,649 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:41:59,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:59,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1885132627, now seen corresponding path program 1 times [2024-10-24 01:41:59,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:59,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795502370] [2024-10-24 01:41:59,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:59,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:00,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:00,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:00,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795502370] [2024-10-24 01:42:00,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795502370] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:00,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:00,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 01:42:00,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685208099] [2024-10-24 01:42:00,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:00,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 01:42:00,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:00,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 01:42:00,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:42:00,574 INFO L87 Difference]: Start difference. First operand 9590 states and 13211 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 11 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) [2024-10-24 01:42:01,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:01,460 INFO L93 Difference]: Finished difference Result 22969 states and 32254 transitions. [2024-10-24 01:42:01,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:42:01,461 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 11 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 [2024-10-24 01:42:01,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:01,480 INFO L225 Difference]: With dead ends: 22969 [2024-10-24 01:42:01,480 INFO L226 Difference]: Without dead ends: 16548 [2024-10-24 01:42:01,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:42:01,491 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 2336 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2336 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:01,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2336 Valid, 3827 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:42:01,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16548 states. [2024-10-24 01:42:01,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16548 to 9570. [2024-10-24 01:42:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9570 states, 9564 states have (on average 1.37745713090757) internal successors, (13174), 9569 states have internal predecessors, (13174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:01,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9570 states to 9570 states and 13174 transitions. [2024-10-24 01:42:01,622 INFO L78 Accepts]: Start accepts. Automaton has 9570 states and 13174 transitions. Word has length 69 [2024-10-24 01:42:01,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:01,622 INFO L471 AbstractCegarLoop]: Abstraction has 9570 states and 13174 transitions. [2024-10-24 01:42:01,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 11 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) [2024-10-24 01:42:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 9570 states and 13174 transitions. [2024-10-24 01:42:01,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 01:42:01,627 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:01,627 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] [2024-10-24 01:42:01,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 01:42:01,627 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:01,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:01,628 INFO L85 PathProgramCache]: Analyzing trace with hash -578802053, now seen corresponding path program 1 times [2024-10-24 01:42:01,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:01,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422521490] [2024-10-24 01:42:01,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:01,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:02,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:02,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:02,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422521490] [2024-10-24 01:42:02,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422521490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:02,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:02,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:42:02,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594779258] [2024-10-24 01:42:02,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:02,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:42:02,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:02,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:42:02,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:42:02,286 INFO L87 Difference]: Start difference. First operand 9570 states and 13174 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 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) [2024-10-24 01:42:03,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:03,184 INFO L93 Difference]: Finished difference Result 27780 states and 38999 transitions. [2024-10-24 01:42:03,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 01:42:03,185 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 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 [2024-10-24 01:42:03,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:03,206 INFO L225 Difference]: With dead ends: 27780 [2024-10-24 01:42:03,206 INFO L226 Difference]: Without dead ends: 21103 [2024-10-24 01:42:03,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2024-10-24 01:42:03,215 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 4609 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4609 SdHoareTripleChecker+Valid, 2598 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:03,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4609 Valid, 2598 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:42:03,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21103 states. [2024-10-24 01:42:03,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21103 to 9321. [2024-10-24 01:42:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9321 states, 9316 states have (on average 1.375483039931301) internal successors, (12814), 9320 states have internal predecessors, (12814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:03,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9321 states to 9321 states and 12814 transitions. [2024-10-24 01:42:03,342 INFO L78 Accepts]: Start accepts. Automaton has 9321 states and 12814 transitions. Word has length 69 [2024-10-24 01:42:03,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:03,342 INFO L471 AbstractCegarLoop]: Abstraction has 9321 states and 12814 transitions. [2024-10-24 01:42:03,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 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) [2024-10-24 01:42:03,343 INFO L276 IsEmpty]: Start isEmpty. Operand 9321 states and 12814 transitions. [2024-10-24 01:42:03,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 01:42:03,348 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:03,348 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] [2024-10-24 01:42:03,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 01:42:03,348 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:03,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:03,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1227479287, now seen corresponding path program 1 times [2024-10-24 01:42:03,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:03,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396388622] [2024-10-24 01:42:03,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:03,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:03,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:03,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396388622] [2024-10-24 01:42:03,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396388622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:03,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:03,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:42:03,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173226325] [2024-10-24 01:42:03,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:03,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:42:03,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:03,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:42:03,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:42:03,422 INFO L87 Difference]: Start difference. First operand 9321 states and 12814 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 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) [2024-10-24 01:42:03,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:03,503 INFO L93 Difference]: Finished difference Result 13043 states and 18006 transitions. [2024-10-24 01:42:03,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:42:03,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 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 [2024-10-24 01:42:03,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:03,534 INFO L225 Difference]: With dead ends: 13043 [2024-10-24 01:42:03,534 INFO L226 Difference]: Without dead ends: 9327 [2024-10-24 01:42:03,540 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 [2024-10-24 01:42:03,541 INFO L432 NwaCegarLoop]: 810 mSDtfsCounter, 428 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:03,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1355 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:42:03,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9327 states. [2024-10-24 01:42:03,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9327 to 9321. [2024-10-24 01:42:03,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9321 states, 9316 states have (on average 1.3622799484757406) internal successors, (12691), 9320 states have internal predecessors, (12691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9321 states to 9321 states and 12691 transitions. [2024-10-24 01:42:03,693 INFO L78 Accepts]: Start accepts. Automaton has 9321 states and 12691 transitions. Word has length 69 [2024-10-24 01:42:03,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:03,693 INFO L471 AbstractCegarLoop]: Abstraction has 9321 states and 12691 transitions. [2024-10-24 01:42:03,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 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) [2024-10-24 01:42:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 9321 states and 12691 transitions. [2024-10-24 01:42:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 01:42:03,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:03,700 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] [2024-10-24 01:42:03,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 01:42:03,700 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:03,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:03,701 INFO L85 PathProgramCache]: Analyzing trace with hash -360349785, now seen corresponding path program 1 times [2024-10-24 01:42:03,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:03,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425227509] [2024-10-24 01:42:03,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:03,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:04,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:04,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425227509] [2024-10-24 01:42:04,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425227509] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:04,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:04,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 01:42:04,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743004337] [2024-10-24 01:42:04,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:04,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 01:42:04,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:04,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 01:42:04,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:42:04,266 INFO L87 Difference]: Start difference. First operand 9321 states and 12691 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 11 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) [2024-10-24 01:42:04,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:04,967 INFO L93 Difference]: Finished difference Result 18155 states and 25128 transitions. [2024-10-24 01:42:04,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 01:42:04,968 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 11 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 [2024-10-24 01:42:04,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:04,981 INFO L225 Difference]: With dead ends: 18155 [2024-10-24 01:42:04,981 INFO L226 Difference]: Without dead ends: 11363 [2024-10-24 01:42:04,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-10-24 01:42:04,986 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 3325 mSDsluCounter, 2147 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 2691 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:04,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 2691 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 01:42:04,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11363 states. [2024-10-24 01:42:05,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11363 to 8924. [2024-10-24 01:42:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8924 states, 8921 states have (on average 1.3636363636363635) internal successors, (12165), 8923 states have internal predecessors, (12165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:05,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8924 states to 8924 states and 12165 transitions. [2024-10-24 01:42:05,066 INFO L78 Accepts]: Start accepts. Automaton has 8924 states and 12165 transitions. Word has length 69 [2024-10-24 01:42:05,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:05,067 INFO L471 AbstractCegarLoop]: Abstraction has 8924 states and 12165 transitions. [2024-10-24 01:42:05,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 11 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) [2024-10-24 01:42:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 8924 states and 12165 transitions. [2024-10-24 01:42:05,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 01:42:05,071 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:05,072 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] [2024-10-24 01:42:05,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 01:42:05,072 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:05,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:05,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1045808869, now seen corresponding path program 1 times [2024-10-24 01:42:05,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:05,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698581514] [2024-10-24 01:42:05,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:05,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:05,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:05,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:05,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698581514] [2024-10-24 01:42:05,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698581514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:05,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:05,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:42:05,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082784755] [2024-10-24 01:42:05,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:05,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:42:05,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:05,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:42:05,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:42:05,147 INFO L87 Difference]: Start difference. First operand 8924 states and 12165 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:05,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:05,277 INFO L93 Difference]: Finished difference Result 18404 states and 25334 transitions. [2024-10-24 01:42:05,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:42:05,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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 [2024-10-24 01:42:05,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:05,296 INFO L225 Difference]: With dead ends: 18404 [2024-10-24 01:42:05,296 INFO L226 Difference]: Without dead ends: 12891 [2024-10-24 01:42:05,303 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 [2024-10-24 01:42:05,305 INFO L432 NwaCegarLoop]: 384 mSDtfsCounter, 381 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:05,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 526 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:42:05,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12891 states. [2024-10-24 01:42:05,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12891 to 12853. [2024-10-24 01:42:05,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12853 states, 12852 states have (on average 1.3813414254590726) internal successors, (17753), 12852 states have internal predecessors, (17753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:05,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12853 states to 12853 states and 17753 transitions. [2024-10-24 01:42:05,458 INFO L78 Accepts]: Start accepts. Automaton has 12853 states and 17753 transitions. Word has length 71 [2024-10-24 01:42:05,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:05,458 INFO L471 AbstractCegarLoop]: Abstraction has 12853 states and 17753 transitions. [2024-10-24 01:42:05,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 12853 states and 17753 transitions. [2024-10-24 01:42:05,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-24 01:42:05,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:05,471 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, 1, 1] [2024-10-24 01:42:05,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 01:42:05,472 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:05,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:05,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1800555164, now seen corresponding path program 1 times [2024-10-24 01:42:05,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:05,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928308152] [2024-10-24 01:42:05,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:05,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:05,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:05,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:05,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928308152] [2024-10-24 01:42:05,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928308152] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:05,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:05,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:42:05,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327219153] [2024-10-24 01:42:05,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:05,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:42:05,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:05,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:42:05,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:42:05,618 INFO L87 Difference]: Start difference. First operand 12853 states and 17753 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 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) [2024-10-24 01:42:05,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:05,894 INFO L93 Difference]: Finished difference Result 60275 states and 85195 transitions. [2024-10-24 01:42:05,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:42:05,895 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 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 85 [2024-10-24 01:42:05,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:05,995 INFO L225 Difference]: With dead ends: 60275 [2024-10-24 01:42:05,996 INFO L226 Difference]: Without dead ends: 49752 [2024-10-24 01:42:06,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:42:06,022 INFO L432 NwaCegarLoop]: 406 mSDtfsCounter, 2053 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 1222 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:06,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2053 Valid, 1222 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:42:06,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49752 states. [2024-10-24 01:42:06,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49752 to 23374. [2024-10-24 01:42:06,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23374 states, 23373 states have (on average 1.3842467804731955) internal successors, (32354), 23373 states have internal predecessors, (32354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23374 states to 23374 states and 32354 transitions. [2024-10-24 01:42:06,489 INFO L78 Accepts]: Start accepts. Automaton has 23374 states and 32354 transitions. Word has length 85 [2024-10-24 01:42:06,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:06,490 INFO L471 AbstractCegarLoop]: Abstraction has 23374 states and 32354 transitions. [2024-10-24 01:42:06,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 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) [2024-10-24 01:42:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 23374 states and 32354 transitions. [2024-10-24 01:42:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-24 01:42:06,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:06,504 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, 1, 1, 1] [2024-10-24 01:42:06,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 01:42:06,504 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:06,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:06,505 INFO L85 PathProgramCache]: Analyzing trace with hash -792261063, now seen corresponding path program 1 times [2024-10-24 01:42:06,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:06,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929993845] [2024-10-24 01:42:06,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:06,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:06,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:06,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929993845] [2024-10-24 01:42:06,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929993845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:06,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:06,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:42:06,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057380104] [2024-10-24 01:42:06,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:06,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:42:06,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:06,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:42:06,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:42:06,667 INFO L87 Difference]: Start difference. First operand 23374 states and 32354 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 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) [2024-10-24 01:42:06,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:06,921 INFO L93 Difference]: Finished difference Result 38286 states and 52890 transitions. [2024-10-24 01:42:06,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:42:06,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 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 86 [2024-10-24 01:42:06,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:06,951 INFO L225 Difference]: With dead ends: 38286 [2024-10-24 01:42:06,951 INFO L226 Difference]: Without dead ends: 25473 [2024-10-24 01:42:06,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:42:06,966 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 1365 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:06,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 1333 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:42:06,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25473 states. [2024-10-24 01:42:07,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25473 to 18417. [2024-10-24 01:42:07,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18417 states, 18416 states have (on average 1.3624022589052998) internal successors, (25090), 18416 states have internal predecessors, (25090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:07,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18417 states to 18417 states and 25090 transitions. [2024-10-24 01:42:07,179 INFO L78 Accepts]: Start accepts. Automaton has 18417 states and 25090 transitions. Word has length 86 [2024-10-24 01:42:07,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:07,179 INFO L471 AbstractCegarLoop]: Abstraction has 18417 states and 25090 transitions. [2024-10-24 01:42:07,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 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) [2024-10-24 01:42:07,180 INFO L276 IsEmpty]: Start isEmpty. Operand 18417 states and 25090 transitions. [2024-10-24 01:42:07,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-24 01:42:07,193 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:07,194 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, 1, 1, 1, 1] [2024-10-24 01:42:07,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 01:42:07,194 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:07,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:07,194 INFO L85 PathProgramCache]: Analyzing trace with hash -148627709, now seen corresponding path program 1 times [2024-10-24 01:42:07,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:07,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933223061] [2024-10-24 01:42:07,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:07,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:07,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:07,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:07,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933223061] [2024-10-24 01:42:07,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933223061] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:07,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:07,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:42:07,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037844853] [2024-10-24 01:42:07,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:07,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:42:07,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:07,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:42:07,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:42:07,333 INFO L87 Difference]: Start difference. First operand 18417 states and 25090 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:07,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:07,472 INFO L93 Difference]: Finished difference Result 49819 states and 68394 transitions. [2024-10-24 01:42:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:42:07,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2024-10-24 01:42:07,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:07,518 INFO L225 Difference]: With dead ends: 49819 [2024-10-24 01:42:07,518 INFO L226 Difference]: Without dead ends: 33543 [2024-10-24 01:42:07,538 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 [2024-10-24 01:42:07,538 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 155 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:07,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 883 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:42:07,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33543 states. [2024-10-24 01:42:08,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33543 to 31633. [2024-10-24 01:42:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31633 states, 31632 states have (on average 1.361722306525038) internal successors, (43074), 31632 states have internal predecessors, (43074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31633 states to 31633 states and 43074 transitions. [2024-10-24 01:42:08,122 INFO L78 Accepts]: Start accepts. Automaton has 31633 states and 43074 transitions. Word has length 87 [2024-10-24 01:42:08,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:08,122 INFO L471 AbstractCegarLoop]: Abstraction has 31633 states and 43074 transitions. [2024-10-24 01:42:08,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 31633 states and 43074 transitions. [2024-10-24 01:42:08,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-24 01:42:08,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:08,138 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, 1, 1, 1, 1, 1] [2024-10-24 01:42:08,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 01:42:08,138 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:08,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:08,139 INFO L85 PathProgramCache]: Analyzing trace with hash 751154240, now seen corresponding path program 1 times [2024-10-24 01:42:08,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:08,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508654347] [2024-10-24 01:42:08,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:08,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:08,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:08,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:08,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508654347] [2024-10-24 01:42:08,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508654347] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:08,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:08,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:42:08,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029585477] [2024-10-24 01:42:08,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:08,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:42:08,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:08,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:42:08,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:42:08,320 INFO L87 Difference]: Start difference. First operand 31633 states and 43074 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:08,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:08,586 INFO L93 Difference]: Finished difference Result 88697 states and 121080 transitions. [2024-10-24 01:42:08,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:42:08,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2024-10-24 01:42:08,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:08,686 INFO L225 Difference]: With dead ends: 88697 [2024-10-24 01:42:08,686 INFO L226 Difference]: Without dead ends: 59205 [2024-10-24 01:42:08,723 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 [2024-10-24 01:42:08,724 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 143 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:08,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 872 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:42:08,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59205 states. [2024-10-24 01:42:09,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59205 to 55235. [2024-10-24 01:42:09,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55235 states, 55234 states have (on average 1.3506897925191006) internal successors, (74604), 55234 states have internal predecessors, (74604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:09,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55235 states to 55235 states and 74604 transitions. [2024-10-24 01:42:09,549 INFO L78 Accepts]: Start accepts. Automaton has 55235 states and 74604 transitions. Word has length 88 [2024-10-24 01:42:09,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:09,550 INFO L471 AbstractCegarLoop]: Abstraction has 55235 states and 74604 transitions. [2024-10-24 01:42:09,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 55235 states and 74604 transitions. [2024-10-24 01:42:09,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-24 01:42:09,561 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:09,561 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, 1, 1, 1, 1, 1, 1] [2024-10-24 01:42:09,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-24 01:42:09,561 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:09,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:09,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1561987552, now seen corresponding path program 1 times [2024-10-24 01:42:09,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:09,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940932439] [2024-10-24 01:42:09,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:09,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:09,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:09,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:09,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940932439] [2024-10-24 01:42:09,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940932439] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:09,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:09,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:42:09,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965629231] [2024-10-24 01:42:09,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:09,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:42:09,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:09,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:42:09,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:42:09,647 INFO L87 Difference]: Start difference. First operand 55235 states and 74604 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:10,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:10,102 INFO L93 Difference]: Finished difference Result 76384 states and 103199 transitions. [2024-10-24 01:42:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:42:10,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2024-10-24 01:42:10,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:10,154 INFO L225 Difference]: With dead ends: 76384 [2024-10-24 01:42:10,154 INFO L226 Difference]: Without dead ends: 45349 [2024-10-24 01:42:10,181 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 [2024-10-24 01:42:10,182 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 242 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:10,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 918 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:42:10,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45349 states. [2024-10-24 01:42:10,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45349 to 45347. [2024-10-24 01:42:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45347 states, 45346 states have (on average 1.3439774180743616) internal successors, (60944), 45346 states have internal predecessors, (60944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:10,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45347 states to 45347 states and 60944 transitions. [2024-10-24 01:42:10,815 INFO L78 Accepts]: Start accepts. Automaton has 45347 states and 60944 transitions. Word has length 89 [2024-10-24 01:42:10,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:10,815 INFO L471 AbstractCegarLoop]: Abstraction has 45347 states and 60944 transitions. [2024-10-24 01:42:10,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 45347 states and 60944 transitions. [2024-10-24 01:42:10,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-24 01:42:10,827 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:10,827 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, 1, 1, 1, 1, 1, 1] [2024-10-24 01:42:10,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-24 01:42:10,827 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:10,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:10,828 INFO L85 PathProgramCache]: Analyzing trace with hash -939196063, now seen corresponding path program 1 times [2024-10-24 01:42:10,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:10,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603189934] [2024-10-24 01:42:10,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:10,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:10,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:10,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:10,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603189934] [2024-10-24 01:42:10,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603189934] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:10,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:10,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:42:10,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162337871] [2024-10-24 01:42:10,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:10,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:42:10,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:10,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:42:10,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:42:10,994 INFO L87 Difference]: Start difference. First operand 45347 states and 60944 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:11,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:11,677 INFO L93 Difference]: Finished difference Result 128847 states and 173082 transitions. [2024-10-24 01:42:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:42:11,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2024-10-24 01:42:11,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:11,780 INFO L225 Difference]: With dead ends: 128847 [2024-10-24 01:42:11,780 INFO L226 Difference]: Without dead ends: 85577 [2024-10-24 01:42:11,808 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 [2024-10-24 01:42:11,810 INFO L432 NwaCegarLoop]: 486 mSDtfsCounter, 130 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:11,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 854 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:42:11,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85577 states. [2024-10-24 01:42:12,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85577 to 79367. [2024-10-24 01:42:12,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79367 states, 79366 states have (on average 1.3265630118690623) internal successors, (105284), 79366 states have internal predecessors, (105284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:12,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79367 states to 79367 states and 105284 transitions. [2024-10-24 01:42:12,936 INFO L78 Accepts]: Start accepts. Automaton has 79367 states and 105284 transitions. Word has length 89 [2024-10-24 01:42:12,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:12,936 INFO L471 AbstractCegarLoop]: Abstraction has 79367 states and 105284 transitions. [2024-10-24 01:42:12,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:12,937 INFO L276 IsEmpty]: Start isEmpty. Operand 79367 states and 105284 transitions. [2024-10-24 01:42:12,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-24 01:42:12,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:12,944 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:42:12,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-24 01:42:12,944 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:12,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:12,944 INFO L85 PathProgramCache]: Analyzing trace with hash -731307534, now seen corresponding path program 1 times [2024-10-24 01:42:12,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:12,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315816087] [2024-10-24 01:42:12,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:12,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:13,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:13,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:13,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315816087] [2024-10-24 01:42:13,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315816087] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:13,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:13,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:42:13,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126444650] [2024-10-24 01:42:13,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:13,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:42:13,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:13,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:42:13,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:42:13,025 INFO L87 Difference]: Start difference. First operand 79367 states and 105284 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:13,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:13,648 INFO L93 Difference]: Finished difference Result 96729 states and 128463 transitions. [2024-10-24 01:42:13,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:42:13,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2024-10-24 01:42:13,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:13,716 INFO L225 Difference]: With dead ends: 96729 [2024-10-24 01:42:13,716 INFO L226 Difference]: Without dead ends: 65509 [2024-10-24 01:42:13,739 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 [2024-10-24 01:42:13,740 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 199 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:13,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 886 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:42:13,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65509 states. [2024-10-24 01:42:14,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65509 to 65507. [2024-10-24 01:42:14,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65507 states, 65506 states have (on average 1.3272219338686533) internal successors, (86941), 65506 states have internal predecessors, (86941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65507 states to 65507 states and 86941 transitions. [2024-10-24 01:42:14,654 INFO L78 Accepts]: Start accepts. Automaton has 65507 states and 86941 transitions. Word has length 90 [2024-10-24 01:42:14,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:14,654 INFO L471 AbstractCegarLoop]: Abstraction has 65507 states and 86941 transitions. [2024-10-24 01:42:14,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 65507 states and 86941 transitions. [2024-10-24 01:42:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-24 01:42:14,662 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:14,662 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:42:14,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-24 01:42:14,662 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:14,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:14,663 INFO L85 PathProgramCache]: Analyzing trace with hash 722639314, now seen corresponding path program 1 times [2024-10-24 01:42:14,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:14,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124849727] [2024-10-24 01:42:14,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:14,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:14,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:14,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124849727] [2024-10-24 01:42:14,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124849727] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:14,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:14,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:42:14,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842406433] [2024-10-24 01:42:14,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:14,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:42:14,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:14,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:42:14,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:42:14,886 INFO L87 Difference]: Start difference. First operand 65507 states and 86941 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:15,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:15,561 INFO L93 Difference]: Finished difference Result 187415 states and 248399 transitions. [2024-10-24 01:42:15,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:42:15,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 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 [2024-10-24 01:42:15,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:15,729 INFO L225 Difference]: With dead ends: 187415 [2024-10-24 01:42:15,729 INFO L226 Difference]: Without dead ends: 123901 [2024-10-24 01:42:16,137 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 [2024-10-24 01:42:16,138 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 108 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:16,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 834 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:42:16,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123901 states. [2024-10-24 01:42:17,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123901 to 115963. [2024-10-24 01:42:17,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115963 states, 115962 states have (on average 1.3148186474879702) internal successors, (152469), 115962 states have internal predecessors, (152469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:17,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115963 states to 115963 states and 152469 transitions. [2024-10-24 01:42:17,820 INFO L78 Accepts]: Start accepts. Automaton has 115963 states and 152469 transitions. Word has length 91 [2024-10-24 01:42:17,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:17,821 INFO L471 AbstractCegarLoop]: Abstraction has 115963 states and 152469 transitions. [2024-10-24 01:42:17,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:17,821 INFO L276 IsEmpty]: Start isEmpty. Operand 115963 states and 152469 transitions. [2024-10-24 01:42:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 01:42:17,829 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:17,829 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:42:17,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 01:42:17,829 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:17,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:17,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1582250999, now seen corresponding path program 1 times [2024-10-24 01:42:17,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:17,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092353307] [2024-10-24 01:42:17,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:17,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:18,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:18,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:18,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092353307] [2024-10-24 01:42:18,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092353307] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:18,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:18,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:42:18,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978651525] [2024-10-24 01:42:18,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:18,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:42:18,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:18,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:42:18,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:42:18,270 INFO L87 Difference]: Start difference. First operand 115963 states and 152469 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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) [2024-10-24 01:42:18,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:18,560 INFO L93 Difference]: Finished difference Result 124797 states and 164246 transitions. [2024-10-24 01:42:18,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:42:18,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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 [2024-10-24 01:42:18,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:18,764 INFO L225 Difference]: With dead ends: 124797 [2024-10-24 01:42:18,764 INFO L226 Difference]: Without dead ends: 124795 [2024-10-24 01:42:18,811 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 [2024-10-24 01:42:18,812 INFO L432 NwaCegarLoop]: 421 mSDtfsCounter, 0 mSDsluCounter, 1648 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2069 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:18,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2069 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:42:18,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124795 states. [2024-10-24 01:42:20,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124795 to 124795. [2024-10-24 01:42:20,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124795 states, 124794 states have (on average 1.2925381027934035) internal successors, (161301), 124794 states have internal predecessors, (161301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:20,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124795 states to 124795 states and 161301 transitions. [2024-10-24 01:42:20,916 INFO L78 Accepts]: Start accepts. Automaton has 124795 states and 161301 transitions. Word has length 93 [2024-10-24 01:42:20,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:20,916 INFO L471 AbstractCegarLoop]: Abstraction has 124795 states and 161301 transitions. [2024-10-24 01:42:20,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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) [2024-10-24 01:42:20,916 INFO L276 IsEmpty]: Start isEmpty. Operand 124795 states and 161301 transitions. [2024-10-24 01:42:20,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:42:20,922 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:20,923 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:42:20,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-24 01:42:20,923 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:20,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:20,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1984722776, now seen corresponding path program 1 times [2024-10-24 01:42:20,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:20,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278689276] [2024-10-24 01:42:20,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:20,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:20,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:20,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278689276] [2024-10-24 01:42:20,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278689276] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:20,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:20,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:42:20,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450751874] [2024-10-24 01:42:20,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:20,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:42:20,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:20,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:42:20,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:42:20,998 INFO L87 Difference]: Start difference. First operand 124795 states and 161301 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:22,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:22,405 INFO L93 Difference]: Finished difference Result 314479 states and 404295 transitions. [2024-10-24 01:42:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:42:22,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-10-24 01:42:22,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:22,708 INFO L225 Difference]: With dead ends: 314479 [2024-10-24 01:42:22,709 INFO L226 Difference]: Without dead ends: 191677 [2024-10-24 01:42:22,765 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 [2024-10-24 01:42:22,766 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 326 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:22,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 610 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:42:22,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191677 states. [2024-10-24 01:42:24,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191677 to 191675. [2024-10-24 01:42:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191675 states, 191674 states have (on average 1.2722695827290087) internal successors, (243861), 191674 states have internal predecessors, (243861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:25,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191675 states to 191675 states and 243861 transitions. [2024-10-24 01:42:25,431 INFO L78 Accepts]: Start accepts. Automaton has 191675 states and 243861 transitions. Word has length 94 [2024-10-24 01:42:25,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:25,431 INFO L471 AbstractCegarLoop]: Abstraction has 191675 states and 243861 transitions. [2024-10-24 01:42:25,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:25,432 INFO L276 IsEmpty]: Start isEmpty. Operand 191675 states and 243861 transitions. [2024-10-24 01:42:25,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:42:25,440 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:25,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:42:25,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-24 01:42:25,440 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:25,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:25,441 INFO L85 PathProgramCache]: Analyzing trace with hash -550444979, now seen corresponding path program 1 times [2024-10-24 01:42:25,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:25,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040083977] [2024-10-24 01:42:25,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:25,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:25,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:25,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040083977] [2024-10-24 01:42:25,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040083977] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:25,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:25,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:42:25,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541165987] [2024-10-24 01:42:25,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:25,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:42:25,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:25,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:42:25,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:42:25,638 INFO L87 Difference]: Start difference. First operand 191675 states and 243861 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:27,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:27,260 INFO L93 Difference]: Finished difference Result 305933 states and 391042 transitions. [2024-10-24 01:42:27,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:42:27,260 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2024-10-24 01:42:27,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:27,624 INFO L225 Difference]: With dead ends: 305933 [2024-10-24 01:42:27,624 INFO L226 Difference]: Without dead ends: 266691 [2024-10-24 01:42:27,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:42:27,697 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 1585 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 1310 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:27,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 1310 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:42:27,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266691 states. [2024-10-24 01:42:30,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266691 to 221443. [2024-10-24 01:42:30,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221443 states, 221442 states have (on average 1.2705674623603471) internal successors, (281357), 221442 states have internal predecessors, (281357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:31,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221443 states to 221443 states and 281357 transitions. [2024-10-24 01:42:31,492 INFO L78 Accepts]: Start accepts. Automaton has 221443 states and 281357 transitions. Word has length 96 [2024-10-24 01:42:31,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:31,492 INFO L471 AbstractCegarLoop]: Abstraction has 221443 states and 281357 transitions. [2024-10-24 01:42:31,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:31,492 INFO L276 IsEmpty]: Start isEmpty. Operand 221443 states and 281357 transitions. [2024-10-24 01:42:31,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 01:42:31,501 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:31,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:42:31,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-24 01:42:31,502 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:31,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:31,503 INFO L85 PathProgramCache]: Analyzing trace with hash -840278662, now seen corresponding path program 1 times [2024-10-24 01:42:31,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:31,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62383055] [2024-10-24 01:42:31,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:31,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:31,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:31,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:31,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62383055] [2024-10-24 01:42:31,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62383055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:31,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:31,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:42:31,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349114770] [2024-10-24 01:42:31,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:31,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:42:31,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:31,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:42:31,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:42:31,595 INFO L87 Difference]: Start difference. First operand 221443 states and 281357 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) [2024-10-24 01:42:33,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:33,770 INFO L93 Difference]: Finished difference Result 439566 states and 558442 transitions. [2024-10-24 01:42:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:42:33,772 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 97 [2024-10-24 01:42:33,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:34,358 INFO L225 Difference]: With dead ends: 439566 [2024-10-24 01:42:34,359 INFO L226 Difference]: Without dead ends: 306845 [2024-10-24 01:42:34,488 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 [2024-10-24 01:42:34,490 INFO L432 NwaCegarLoop]: 400 mSDtfsCounter, 376 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:34,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 567 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:42:34,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306845 states. [2024-10-24 01:42:37,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306845 to 217968. [2024-10-24 01:42:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217968 states, 217967 states have (on average 1.267439566539889) internal successors, (276260), 217967 states have internal predecessors, (276260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217968 states to 217968 states and 276260 transitions. [2024-10-24 01:42:37,689 INFO L78 Accepts]: Start accepts. Automaton has 217968 states and 276260 transitions. Word has length 97 [2024-10-24 01:42:37,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:37,689 INFO L471 AbstractCegarLoop]: Abstraction has 217968 states and 276260 transitions. [2024-10-24 01:42:37,689 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) [2024-10-24 01:42:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 217968 states and 276260 transitions. [2024-10-24 01:42:37,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-24 01:42:37,696 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:37,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:42:37,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-24 01:42:37,696 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:37,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:37,696 INFO L85 PathProgramCache]: Analyzing trace with hash 426902638, now seen corresponding path program 1 times [2024-10-24 01:42:37,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:37,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29657903] [2024-10-24 01:42:37,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:37,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:37,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:37,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:37,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29657903] [2024-10-24 01:42:37,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29657903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:37,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:37,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:42:37,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590549734] [2024-10-24 01:42:37,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:37,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:42:37,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:37,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:42:37,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:42:37,864 INFO L87 Difference]: Start difference. First operand 217968 states and 276260 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:39,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:39,669 INFO L93 Difference]: Finished difference Result 313186 states and 398545 transitions. [2024-10-24 01:42:39,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:42:39,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-10-24 01:42:39,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:40,096 INFO L225 Difference]: With dead ends: 313186 [2024-10-24 01:42:40,096 INFO L226 Difference]: Without dead ends: 275096 [2024-10-24 01:42:40,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:42:40,190 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 1573 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1573 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:40,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1573 Valid, 1307 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:42:40,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275096 states. [2024-10-24 01:42:43,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275096 to 246968. [2024-10-24 01:42:43,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246968 states, 246967 states have (on average 1.2657723501520446) internal successors, (312604), 246967 states have internal predecessors, (312604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)