./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be1fcaa299b4a26d5c3c0d4f857b13329cbb7ec0505911e54bd9d27d2647b4d4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 08:32:34,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:32:34,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:32:34,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:32:34,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:32:34,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:32:34,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:32:34,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:32:34,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:32:34,372 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:32:34,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:32:34,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:32:34,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:32:34,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:32:34,374 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:32:34,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:32:34,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:32:34,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:32:34,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:32:34,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:32:34,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:32:34,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:32:34,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:32:34,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:32:34,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:32:34,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:32:34,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:32:34,379 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:32:34,379 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:32:34,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:32:34,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:32:34,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:32:34,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:32:34,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:32:34,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:32:34,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:32:34,382 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:32:34,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:32:34,382 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:32:34,383 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:32:34,383 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:32:34,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:32:34,384 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be1fcaa299b4a26d5c3c0d4f857b13329cbb7ec0505911e54bd9d27d2647b4d4 [2024-11-16 08:32:34,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:32:34,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:32:34,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:32:34,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:32:34,694 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:32:34,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-16 08:32:36,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:32:36,453 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:32:36,455 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-16 08:32:36,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9be369e1/2c3d13972ee840d6b10cd0172adeccac/FLAGab71b7140 [2024-11-16 08:32:36,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9be369e1/2c3d13972ee840d6b10cd0172adeccac [2024-11-16 08:32:36,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:32:36,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:32:36,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:32:36,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:32:36,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:32:36,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:32:36" (1/1) ... [2024-11-16 08:32:36,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbffb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:36, skipping insertion in model container [2024-11-16 08:32:36,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:32:36" (1/1) ... [2024-11-16 08:32:36,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:32:36,903 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7172,7185] [2024-11-16 08:32:36,944 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[10914,10927] [2024-11-16 08:32:36,990 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[17944,17957] [2024-11-16 08:32:37,017 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24017,24030] [2024-11-16 08:32:37,143 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[42645,42658] [2024-11-16 08:32:37,242 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[64626,64639] [2024-11-16 08:32:37,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:32:37,444 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:32:37,480 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7172,7185] [2024-11-16 08:32:37,491 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[10914,10927] [2024-11-16 08:32:37,507 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[17944,17957] [2024-11-16 08:32:37,517 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24017,24030] [2024-11-16 08:32:37,548 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[42645,42658] [2024-11-16 08:32:37,592 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[64626,64639] [2024-11-16 08:32:37,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:32:37,715 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:32:37,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37 WrapperNode [2024-11-16 08:32:37,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:32:37,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:32:37,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:32:37,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:32:37,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37" (1/1) ... [2024-11-16 08:32:37,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37" (1/1) ... [2024-11-16 08:32:37,890 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5679 [2024-11-16 08:32:37,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:32:37,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:32:37,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:32:37,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:32:37,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37" (1/1) ... [2024-11-16 08:32:37,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37" (1/1) ... [2024-11-16 08:32:37,929 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37" (1/1) ... [2024-11-16 08:32:38,061 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 08:32:38,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37" (1/1) ... [2024-11-16 08:32:38,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37" (1/1) ... [2024-11-16 08:32:38,147 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37" (1/1) ... [2024-11-16 08:32:38,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37" (1/1) ... [2024-11-16 08:32:38,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37" (1/1) ... [2024-11-16 08:32:38,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37" (1/1) ... [2024-11-16 08:32:38,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:32:38,208 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:32:38,209 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:32:38,209 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:32:38,210 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37" (1/1) ... [2024-11-16 08:32:38,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:32:38,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:32:38,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 08:32:38,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 08:32:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:32:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:32:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:32:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:32:38,504 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:32:38,507 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:32:41,326 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L894: havoc main_~node3__m3~3#1;havoc main_~node2__m2~3#1;havoc main_~node1__m1~4#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1;havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-16 08:32:41,327 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4069: havoc main_~node3____CPAchecker_TMP_0~5#1; [2024-11-16 08:32:41,327 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1295: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1;havoc main_~node3__m3~6#1;havoc main_~node2__m2~5#1;havoc main_~node1__m1~6#1;havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2024-11-16 08:32:41,328 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L240: havoc main_~node3__m3~0#1; [2024-11-16 08:32:41,328 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9093: havoc main_~node3__m3~42#1;havoc main_~node2__m2~45#1;havoc main_~node1__m1~61#1;havoc main_~__tmp_66~0#1, main_~assert__arg~65#1;havoc main_~check__tmp~66#1; [2024-11-16 08:32:41,328 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7904: havoc main_~node2__m2~41#1;havoc main_~node1__m1~53#1;havoc main_~__tmp_58~0#1, main_~assert__arg~57#1;havoc main_~check__tmp~57#1;havoc main_~node3__m3~36#1;havoc main_~node2__m2~40#1;havoc main_~node1__m1~52#1;havoc main_~__tmp_57~0#1, main_~assert__arg~56#1;havoc main_~check__tmp~56#1; [2024-11-16 08:32:41,329 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2619: havoc main_~node2__m2~12#1;havoc main_~node1__m1~15#1;havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~17#1; [2024-11-16 08:32:41,329 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3148: havoc main_~node2__m2~16#1;havoc main_~node1__m1~19#1;havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~21#1; [2024-11-16 08:32:41,329 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1167: havoc main_~node3__m3~5#1; [2024-11-16 08:32:41,329 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4471: havoc main_~node1____CPAchecker_TMP_0~6#1;havoc main_~node1__m1~28#1;havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~31#1;havoc main_~node3__m3~19#1;havoc main_~node2__m2~23#1;havoc main_~node1__m1~27#1;havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~30#1; [2024-11-16 08:32:41,329 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8436: havoc main_~node2____CPAchecker_TMP_1~6#1; [2024-11-16 08:32:41,329 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2226: havoc main_~node2__m2~9#1;havoc main_~node1__m1~12#1;havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~14#1; [2024-11-16 08:32:41,330 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2755: havoc main_~node2__m2~13#1;havoc main_~node1__m1~16#1;havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~18#1; [2024-11-16 08:32:41,331 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8833: havoc main_~node1__m1~59#1;havoc main_~__tmp_64~0#1, main_~assert__arg~63#1;havoc main_~check__tmp~64#1;havoc main_~node3__m3~41#1;havoc main_~node2__m2~44#1;havoc main_~node1__m1~58#1;havoc main_~__tmp_63~0#1, main_~assert__arg~62#1;havoc main_~check__tmp~63#1; [2024-11-16 08:32:41,331 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2359: havoc main_~node2__m2~10#1;havoc main_~node1__m1~13#1;havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~15#1; [2024-11-16 08:32:41,331 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2888: havoc main_~node2__m2~14#1;havoc main_~node1__m1~17#1;havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~19#1; [2024-11-16 08:32:41,331 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2492: havoc main_~node2__m2~11#1;havoc main_~node1__m1~14#1;havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~16#1;havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-16 08:32:41,331 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3021: havoc main_~node2__m2~15#1;havoc main_~node1__m1~18#1;havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~20#1;havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-16 08:32:41,331 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1568: havoc main_~node1____CPAchecker_TMP_0~2#1;havoc main_~node1__m1~8#1;havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~9#1;havoc main_~node3__m3~7#1;havoc main_~node2__m2~6#1;havoc main_~node1__m1~7#1;havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2024-11-16 08:32:41,332 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc main_~node2__m2~38#1;havoc main_~node1__m1~48#1;havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~52#1;havoc main_~node3__m3~33#1;havoc main_~node2__m2~37#1;havoc main_~node1__m1~47#1;havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~51#1; [2024-11-16 08:32:41,333 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5667: havoc main_~node3__m3~25#1;havoc main_~node2__m2~28#1;havoc main_~node1__m1~36#1;havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~40#1;havoc main_~node3____CPAchecker_TMP_1~6#1; [2024-11-16 08:32:41,333 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L250: havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-16 08:32:41,333 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4743: havoc main_~node1____CPAchecker_TMP_0~7#1;havoc main_~node1__m1~30#1;havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~33#1;havoc main_~node3__m3~20#1;havoc main_~node2__m2~24#1;havoc main_~node1__m1~29#1;havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~32#1;havoc main_~node3____CPAchecker_TMP_1~5#1; [2024-11-16 08:32:41,333 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1177: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-16 08:32:41,333 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8973: havoc main_~node1__m1~60#1;havoc main_~__tmp_65~0#1, main_~assert__arg~64#1;havoc main_~check__tmp~65#1;havoc main_~node3____CPAchecker_TMP_1~12#1; [2024-11-16 08:32:41,333 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8051: havoc main_~node3____CPAchecker_TMP_1~9#1; [2024-11-16 08:32:41,333 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6997: havoc main_~node2__m2~36#1; [2024-11-16 08:32:41,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6869: havoc main_~node2____CPAchecker_TMP_0~3#1; [2024-11-16 08:32:41,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5816: havoc main_~node3__m3~26#1;havoc main_~node2__m2~29#1;havoc main_~node1__m1~37#1;havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~41#1; [2024-11-16 08:32:41,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6477: havoc main_~node1____CPAchecker_TMP_0~12#1;havoc main_~node1__m1~43#1;havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~47#1;havoc main_~node3__m3~30#1;havoc main_~node2__m2~32#1;havoc main_~node1__m1~42#1;havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~46#1;havoc main_~node3____CPAchecker_TMP_1~7#1; [2024-11-16 08:32:41,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3835: havoc main_~node3__m3~15#1;havoc main_~node2__m2~20#1;havoc main_~node1__m1~23#1;havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~26#1;havoc main_~node3____CPAchecker_TMP_1~4#1; [2024-11-16 08:32:41,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7007: havoc main_~node2____CPAchecker_TMP_0~4#1; [2024-11-16 08:32:41,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8462: havoc main_~node3__m3~39#1; [2024-11-16 08:32:41,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7937: havoc main_~node3__m3~37#1;havoc main_~node2____CPAchecker_TMP_0~6#1; [2024-11-16 08:32:41,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7675: havoc main_~node3__m3~35#1; [2024-11-16 08:32:41,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7016: havoc main_~node3__m3~32#1; [2024-11-16 08:32:41,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1071: havoc main_~node3__m3~4#1;havoc main_~node2__m2~4#1;havoc main_~node1__m1~5#1;havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2024-11-16 08:32:41,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6753: havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-16 08:32:41,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8472: havoc main_~node3____CPAchecker_TMP_0~11#1; [2024-11-16 08:32:41,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4246: havoc main_~node1____CPAchecker_TMP_0~5#1;havoc main_~node1__m1~26#1;havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~29#1;havoc main_~node3__m3~18#1;havoc main_~node2__m2~22#1;havoc main_~node1__m1~25#1;havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~28#1; [2024-11-16 08:32:41,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3984: havoc main_~node3__m3~16#1;havoc main_~node2__m2~21#1;havoc main_~node1__m1~24#1;havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~27#1; [2024-11-16 08:32:41,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7685: havoc main_~node3____CPAchecker_TMP_0~9#1; [2024-11-16 08:32:41,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026: havoc main_~node3____CPAchecker_TMP_0~8#1; [2024-11-16 08:32:41,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8614: havoc main_~node3__m3~40#1;havoc main_~node2____CPAchecker_TMP_1~7#1; [2024-11-16 08:32:41,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9407: havoc main_~node2____CPAchecker_TMP_1~8#1;havoc main_~node2__m2~47#1;havoc main_~node1__m1~64#1;havoc main_~__tmp_69~0#1, main_~assert__arg~68#1;havoc main_~check__tmp~69#1;havoc main_~node3__m3~44#1;havoc main_~node2__m2~46#1;havoc main_~node1__m1~63#1;havoc main_~__tmp_68~0#1, main_~assert__arg~67#1;havoc main_~check__tmp~68#1; [2024-11-16 08:32:41,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8086: havoc main_~node2____CPAchecker_TMP_1~5#1; [2024-11-16 08:32:41,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6897: havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-16 08:32:41,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9540: havoc main_~node1__m1~65#1;havoc main_~__tmp_70~0#1, main_~assert__arg~69#1;havoc main_~check__tmp~70#1;havoc main_~node3____CPAchecker_TMP_1~13#1; [2024-11-16 08:32:41,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8219: havoc main_~node1__m1~54#1;havoc main_~__tmp_59~0#1, main_~assert__arg~58#1;havoc main_~check__tmp~59#1;havoc main_~node3____CPAchecker_TMP_1~10#1; [2024-11-16 08:32:41,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7299: havoc main_~node2____CPAchecker_TMP_0~5#1; [2024-11-16 08:32:41,336 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8624: havoc main_~node3____CPAchecker_TMP_0~12#1; [2024-11-16 08:32:41,336 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L698: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1;havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1;havoc main_~node1__m1~3#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-16 08:32:41,336 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2152: havoc main_~node3__m3~10#1;havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-16 08:32:41,336 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2681: havoc main_~node3__m3~11#1; [2024-11-16 08:32:41,336 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2022: havoc main_~node1____CPAchecker_TMP_0~3#1;havoc main_~node1__m1~11#1;havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~13#1;havoc main_~node3__m3~9#1;havoc main_~node2__m2~8#1;havoc main_~node1__m1~10#1;havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~12#1; [2024-11-16 08:32:41,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6251: havoc main_~node1____CPAchecker_TMP_0~11#1;havoc main_~node1__m1~41#1;havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~45#1;havoc main_~node3__m3~29#1;havoc main_~node2__m2~31#1;havoc main_~node1__m1~40#1;havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~44#1; [2024-11-16 08:32:41,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6781: havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-16 08:32:41,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8500: havoc main_~node3____CPAchecker_TMP_1~11#1; [2024-11-16 08:32:41,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9162: havoc main_~node3__m3~43#1; [2024-11-16 08:32:41,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5199: havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~37#1;havoc main_~node3__m3~23#1;havoc main_~node2__m2~26#1;havoc main_~node1__m1~33#1;havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~36#1; [2024-11-16 08:32:41,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2162: havoc main_~node3____CPAchecker_TMP_0~2#1; [2024-11-16 08:32:41,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2691: havoc main_~node3____CPAchecker_TMP_0~3#1; [2024-11-16 08:32:41,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L445: havoc main_~node1____CPAchecker_TMP_0~1#1;havoc main_~node1__m1~2#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1;havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1;havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-16 08:32:41,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3220: havoc main_~node2__m2~17#1; [2024-11-16 08:32:41,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5071: havoc main_~node3__m3~22#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-16 08:32:41,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5472: havoc main_~node1____CPAchecker_TMP_0~9#1;havoc main_~node1__m1~35#1;havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~39#1;havoc main_~node3__m3~24#1;havoc main_~node2__m2~27#1;havoc main_~node1__m1~34#1;havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~38#1; [2024-11-16 08:32:41,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9172: havoc main_~node3____CPAchecker_TMP_0~13#1; [2024-11-16 08:32:41,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7720: havoc main_~node1__m1~51#1;havoc main_~__tmp_56~0#1, main_~assert__arg~55#1;havoc main_~check__tmp~55#1; [2024-11-16 08:32:41,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7985: havoc main_~check__tmp~58#1; [2024-11-16 08:32:41,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7061: havoc main_~node1__m1~46#1;havoc main_~__tmp_51~0#1, main_~assert__arg~50#1;havoc main_~check__tmp~50#1; [2024-11-16 08:32:41,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3230: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-16 08:32:41,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7327: havoc main_~node2____CPAchecker_TMP_1~4#1; [2024-11-16 08:32:41,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5081: havoc main_~node3____CPAchecker_TMP_0~6#1; [2024-11-16 08:32:41,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3367: havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~23#1;havoc main_~node3__m3~13#1;havoc main_~node2__m2~18#1;havoc main_~node1__m1~20#1;havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~22#1; [2024-11-16 08:32:41,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3239: havoc main_~node3__m3~12#1; [2024-11-16 08:32:41,340 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7600: havoc main_~node3__m3~34#1;havoc main_~node2__m2~39#1;havoc main_~node1__m1~50#1;havoc main_~__tmp_55~0#1, main_~assert__arg~54#1;havoc main_~check__tmp~54#1; [2024-11-16 08:32:41,340 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L202: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-16 08:32:41,340 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8659: havoc main_~node1__m1~57#1;havoc main_~__tmp_62~0#1, main_~assert__arg~61#1;havoc main_~check__tmp~62#1; [2024-11-16 08:32:41,340 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5885: havoc main_~node3__m3~27#1; [2024-11-16 08:32:41,340 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3640: havoc main_~node1____CPAchecker_TMP_0~4#1;havoc main_~node1__m1~22#1;havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~25#1;havoc main_~node3__m3~14#1;havoc main_~node2__m2~19#1;havoc main_~node1__m1~21#1;havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~24#1; [2024-11-16 08:32:41,340 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8397: havoc main_~node2__m2~43#1;havoc main_~node1__m1~56#1;havoc main_~__tmp_61~0#1, main_~assert__arg~60#1;havoc main_~check__tmp~61#1;havoc main_~node3__m3~38#1;havoc main_~node2__m2~42#1;havoc main_~node1__m1~55#1;havoc main_~__tmp_60~0#1, main_~assert__arg~59#1;havoc main_~check__tmp~60#1; [2024-11-16 08:32:41,340 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4962: havoc main_~node1____CPAchecker_TMP_0~8#1;havoc main_~node1__m1~32#1;havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~35#1;havoc main_~node3__m3~21#1;havoc main_~node2__m2~25#1;havoc main_~node1__m1~31#1;havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~34#1; [2024-11-16 08:32:41,341 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3249: havoc main_~node3____CPAchecker_TMP_0~4#1; [2024-11-16 08:32:41,341 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6025: havoc main_~node1____CPAchecker_TMP_0~10#1;havoc main_~node1__m1~39#1;havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~43#1;havoc main_~node3__m3~28#1;havoc main_~node2__m2~30#1;havoc main_~node1__m1~38#1;havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~42#1; [2024-11-16 08:32:41,341 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L212: havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-16 08:32:41,341 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7480: havoc main_~node1__m1~49#1;havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~53#1;havoc main_~node3____CPAchecker_TMP_1~8#1; [2024-11-16 08:32:41,341 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5895: havoc main_~node3____CPAchecker_TMP_0~7#1; [2024-11-16 08:32:41,341 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8407: havoc main_~node2____CPAchecker_TMP_0~7#1; [2024-11-16 08:32:41,341 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6822: havoc main_~node2__m2~35#1; [2024-11-16 08:32:41,342 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1802: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~11#1;havoc main_~node3__m3~8#1;havoc main_~node2__m2~7#1;havoc main_~node1__m1~9#1;havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~10#1;havoc main_~node3____CPAchecker_TMP_1~1#1; [2024-11-16 08:32:41,342 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9734: havoc main_~node2____CPAchecker_TMP_1~9#1;havoc main_~node2__m2~49#1;havoc main_~node1__m1~67#1;havoc main_~__tmp_72~0#1, main_~assert__arg~71#1;havoc main_~check__tmp~72#1;havoc main_~node3__m3~45#1;havoc main_~node2__m2~48#1;havoc main_~node1__m1~66#1;havoc main_~__tmp_71~0#1, main_~assert__arg~70#1;havoc main_~check__tmp~71#1; [2024-11-16 08:32:41,342 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node2__m2~0#1; [2024-11-16 08:32:41,342 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9207: havoc main_~node1__m1~62#1;havoc main_~__tmp_67~0#1, main_~assert__arg~66#1;havoc main_~check__tmp~67#1; [2024-11-16 08:32:41,342 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6697: havoc main_~node1____CPAchecker_TMP_0~13#1;havoc main_~node1__m1~45#1;havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~49#1;havoc main_~node3__m3~31#1;havoc main_~node2__m2~33#1;havoc main_~node1__m1~44#1;havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~48#1; [2024-11-16 08:32:41,342 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4059: havoc main_~node3__m3~17#1; [2024-11-16 08:32:41,342 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8023: havoc main_~node3____CPAchecker_TMP_0~10#1; [2024-11-16 08:32:41,343 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L231: havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-16 08:32:41,343 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6706: havoc main_~node2__m2~34#1; [2024-11-16 08:32:41,523 INFO L? ?]: Removed 998 outVars from TransFormulas that were not future-live. [2024-11-16 08:32:41,523 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:32:41,571 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:32:41,571 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:32:41,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:32:41 BoogieIcfgContainer [2024-11-16 08:32:41,572 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:32:41,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:32:41,574 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:32:41,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:32:41,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:32:36" (1/3) ... [2024-11-16 08:32:41,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480d1037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:32:41, skipping insertion in model container [2024-11-16 08:32:41,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:37" (2/3) ... [2024-11-16 08:32:41,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480d1037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:32:41, skipping insertion in model container [2024-11-16 08:32:41,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:32:41" (3/3) ... [2024-11-16 08:32:41,581 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-16 08:32:41,598 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:32:41,598 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-16 08:32:41,700 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:32:41,708 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;@12c4d824, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:32:41,709 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-16 08:32:41,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 1211 states, 1204 states have (on average 1.7666112956810631) internal successors, (2127), 1210 states have internal predecessors, (2127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-16 08:32:41,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:41,754 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] [2024-11-16 08:32:41,755 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:41,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:41,761 INFO L85 PathProgramCache]: Analyzing trace with hash -363975896, now seen corresponding path program 1 times [2024-11-16 08:32:41,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:41,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504358050] [2024-11-16 08:32:41,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:41,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:42,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:42,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504358050] [2024-11-16 08:32:42,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504358050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:42,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:42,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:32:42,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529696934] [2024-11-16 08:32:42,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:42,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:42,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:42,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:42,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:42,357 INFO L87 Difference]: Start difference. First operand has 1211 states, 1204 states have (on average 1.7666112956810631) internal successors, (2127), 1210 states have internal predecessors, (2127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:43,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:43,686 INFO L93 Difference]: Finished difference Result 2058 states and 3489 transitions. [2024-11-16 08:32:43,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:43,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2024-11-16 08:32:43,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:43,720 INFO L225 Difference]: With dead ends: 2058 [2024-11-16 08:32:43,721 INFO L226 Difference]: Without dead ends: 1443 [2024-11-16 08:32:43,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:43,733 INFO L432 NwaCegarLoop]: 1015 mSDtfsCounter, 6474 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6474 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:43,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6474 Valid, 1488 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 08:32:43,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2024-11-16 08:32:43,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1437. [2024-11-16 08:32:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1431 states have (on average 1.3032844164919637) internal successors, (1865), 1436 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:43,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1865 transitions. [2024-11-16 08:32:43,856 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1865 transitions. Word has length 51 [2024-11-16 08:32:43,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:43,857 INFO L471 AbstractCegarLoop]: Abstraction has 1437 states and 1865 transitions. [2024-11-16 08:32:43,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:43,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1865 transitions. [2024-11-16 08:32:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-16 08:32:43,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:43,861 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] [2024-11-16 08:32:43,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 08:32:43,862 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:43,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:43,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1163997100, now seen corresponding path program 1 times [2024-11-16 08:32:43,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:43,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732684383] [2024-11-16 08:32:43,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:43,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:44,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:44,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:44,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732684383] [2024-11-16 08:32:44,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732684383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:44,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:44,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:32:44,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277023110] [2024-11-16 08:32:44,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:44,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:44,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:44,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:44,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:44,045 INFO L87 Difference]: Start difference. First operand 1437 states and 1865 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:44,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:44,861 INFO L93 Difference]: Finished difference Result 2816 states and 3721 transitions. [2024-11-16 08:32:44,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:44,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2024-11-16 08:32:44,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:44,868 INFO L225 Difference]: With dead ends: 2816 [2024-11-16 08:32:44,868 INFO L226 Difference]: Without dead ends: 1856 [2024-11-16 08:32:44,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:44,871 INFO L432 NwaCegarLoop]: 582 mSDtfsCounter, 4183 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4183 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:44,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4183 Valid, 873 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 08:32:44,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2024-11-16 08:32:44,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1846. [2024-11-16 08:32:44,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1846 states, 1840 states have (on average 1.3206521739130435) internal successors, (2430), 1845 states have internal predecessors, (2430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:44,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2430 transitions. [2024-11-16 08:32:44,909 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2430 transitions. Word has length 51 [2024-11-16 08:32:44,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:44,910 INFO L471 AbstractCegarLoop]: Abstraction has 1846 states and 2430 transitions. [2024-11-16 08:32:44,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2430 transitions. [2024-11-16 08:32:44,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-16 08:32:44,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:44,914 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] [2024-11-16 08:32:44,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 08:32:44,914 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:44,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:44,918 INFO L85 PathProgramCache]: Analyzing trace with hash -254060380, now seen corresponding path program 1 times [2024-11-16 08:32:44,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:44,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178470683] [2024-11-16 08:32:44,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:44,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:45,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:45,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:45,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178470683] [2024-11-16 08:32:45,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178470683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:45,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:45,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:32:45,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979519879] [2024-11-16 08:32:45,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:45,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:45,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:45,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:45,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:45,048 INFO L87 Difference]: Start difference. First operand 1846 states and 2430 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:45,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:45,799 INFO L93 Difference]: Finished difference Result 4037 states and 5349 transitions. [2024-11-16 08:32:45,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:45,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2024-11-16 08:32:45,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:45,809 INFO L225 Difference]: With dead ends: 4037 [2024-11-16 08:32:45,810 INFO L226 Difference]: Without dead ends: 2790 [2024-11-16 08:32:45,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:45,812 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 3951 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3951 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:45,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3951 Valid, 867 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 08:32:45,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2790 states. [2024-11-16 08:32:45,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2790 to 2776. [2024-11-16 08:32:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2776 states, 2770 states have (on average 1.324187725631769) internal successors, (3668), 2775 states have internal predecessors, (3668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 3668 transitions. [2024-11-16 08:32:45,903 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 3668 transitions. Word has length 51 [2024-11-16 08:32:45,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:45,904 INFO L471 AbstractCegarLoop]: Abstraction has 2776 states and 3668 transitions. [2024-11-16 08:32:45,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3668 transitions. [2024-11-16 08:32:45,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-16 08:32:45,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:45,908 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] [2024-11-16 08:32:45,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 08:32:45,908 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:45,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:45,909 INFO L85 PathProgramCache]: Analyzing trace with hash -23053179, now seen corresponding path program 1 times [2024-11-16 08:32:45,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:45,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555149226] [2024-11-16 08:32:45,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:45,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:46,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:46,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555149226] [2024-11-16 08:32:46,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555149226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:46,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:46,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 08:32:46,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093771183] [2024-11-16 08:32:46,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:46,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 08:32:46,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:46,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 08:32:46,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:32:46,310 INFO L87 Difference]: Start difference. First operand 2776 states and 3668 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:47,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:47,524 INFO L93 Difference]: Finished difference Result 4093 states and 5505 transitions. [2024-11-16 08:32:47,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:32:47,525 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2024-11-16 08:32:47,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:47,536 INFO L225 Difference]: With dead ends: 4093 [2024-11-16 08:32:47,536 INFO L226 Difference]: Without dead ends: 3365 [2024-11-16 08:32:47,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-16 08:32:47,543 INFO L432 NwaCegarLoop]: 570 mSDtfsCounter, 5476 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5476 SdHoareTripleChecker+Valid, 1982 SdHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:47,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5476 Valid, 1982 Invalid, 1653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1642 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 08:32:47,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3365 states. [2024-11-16 08:32:47,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3365 to 2776. [2024-11-16 08:32:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2776 states, 2770 states have (on average 1.323826714801444) internal successors, (3667), 2775 states have internal predecessors, (3667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:47,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 3667 transitions. [2024-11-16 08:32:47,608 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 3667 transitions. Word has length 53 [2024-11-16 08:32:47,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:47,609 INFO L471 AbstractCegarLoop]: Abstraction has 2776 states and 3667 transitions. [2024-11-16 08:32:47,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:47,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3667 transitions. [2024-11-16 08:32:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-16 08:32:47,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:47,612 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] [2024-11-16 08:32:47,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 08:32:47,614 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:47,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:47,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1479558026, now seen corresponding path program 1 times [2024-11-16 08:32:47,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:47,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646919539] [2024-11-16 08:32:47,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:47,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:47,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:47,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646919539] [2024-11-16 08:32:47,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646919539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:47,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:47,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:32:47,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410167831] [2024-11-16 08:32:47,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:47,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:32:47,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:47,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:32:47,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:32:47,911 INFO L87 Difference]: Start difference. First operand 2776 states and 3667 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:49,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:49,421 INFO L93 Difference]: Finished difference Result 5071 states and 6880 transitions. [2024-11-16 08:32:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:32:49,422 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2024-11-16 08:32:49,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:49,436 INFO L225 Difference]: With dead ends: 5071 [2024-11-16 08:32:49,437 INFO L226 Difference]: Without dead ends: 4499 [2024-11-16 08:32:49,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:32:49,440 INFO L432 NwaCegarLoop]: 726 mSDtfsCounter, 5831 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 2593 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5831 SdHoareTripleChecker+Valid, 3051 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:49,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5831 Valid, 3051 Invalid, 2623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2593 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 08:32:49,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4499 states. [2024-11-16 08:32:49,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4499 to 2776. [2024-11-16 08:32:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2776 states, 2770 states have (on average 1.323465703971119) internal successors, (3666), 2775 states have internal predecessors, (3666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 3666 transitions. [2024-11-16 08:32:49,516 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 3666 transitions. Word has length 53 [2024-11-16 08:32:49,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:49,516 INFO L471 AbstractCegarLoop]: Abstraction has 2776 states and 3666 transitions. [2024-11-16 08:32:49,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3666 transitions. [2024-11-16 08:32:49,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-16 08:32:49,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:49,519 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] [2024-11-16 08:32:49,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 08:32:49,519 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:49,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:49,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1477454821, now seen corresponding path program 1 times [2024-11-16 08:32:49,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:49,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605708046] [2024-11-16 08:32:49,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:49,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:49,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:49,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605708046] [2024-11-16 08:32:49,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605708046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:49,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:49,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:32:49,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455787379] [2024-11-16 08:32:49,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:49,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:32:49,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:49,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:32:49,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:32:49,835 INFO L87 Difference]: Start difference. First operand 2776 states and 3666 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:51,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:51,331 INFO L93 Difference]: Finished difference Result 4623 states and 6207 transitions. [2024-11-16 08:32:51,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:32:51,331 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2024-11-16 08:32:51,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:51,341 INFO L225 Difference]: With dead ends: 4623 [2024-11-16 08:32:51,342 INFO L226 Difference]: Without dead ends: 4617 [2024-11-16 08:32:51,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-16 08:32:51,344 INFO L432 NwaCegarLoop]: 671 mSDtfsCounter, 3942 mSDsluCounter, 2924 mSDsCounter, 0 mSdLazyCounter, 2950 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3942 SdHoareTripleChecker+Valid, 3595 SdHoareTripleChecker+Invalid, 2988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:51,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3942 Valid, 3595 Invalid, 2988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2950 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 08:32:51,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4617 states. [2024-11-16 08:32:51,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4617 to 2776. [2024-11-16 08:32:51,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2776 states, 2770 states have (on average 1.3231046931407942) internal successors, (3665), 2775 states have internal predecessors, (3665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 3665 transitions. [2024-11-16 08:32:51,416 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 3665 transitions. Word has length 53 [2024-11-16 08:32:51,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:51,416 INFO L471 AbstractCegarLoop]: Abstraction has 2776 states and 3665 transitions. [2024-11-16 08:32:51,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:51,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3665 transitions. [2024-11-16 08:32:51,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 08:32:51,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:51,419 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:51,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 08:32:51,420 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:51,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:51,420 INFO L85 PathProgramCache]: Analyzing trace with hash 591572655, now seen corresponding path program 1 times [2024-11-16 08:32:51,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:51,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39772067] [2024-11-16 08:32:51,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:51,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:51,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:51,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39772067] [2024-11-16 08:32:51,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39772067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:51,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:51,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:51,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495339908] [2024-11-16 08:32:51,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:51,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:51,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:51,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:51,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:51,530 INFO L87 Difference]: Start difference. First operand 2776 states and 3665 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:51,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:51,607 INFO L93 Difference]: Finished difference Result 4006 states and 5432 transitions. [2024-11-16 08:32:51,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:51,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-16 08:32:51,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:51,615 INFO L225 Difference]: With dead ends: 4006 [2024-11-16 08:32:51,615 INFO L226 Difference]: Without dead ends: 2503 [2024-11-16 08:32:51,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:51,618 INFO L432 NwaCegarLoop]: 1025 mSDtfsCounter, 676 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:51,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 1380 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:32:51,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2024-11-16 08:32:51,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 2501. [2024-11-16 08:32:51,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2501 states, 2495 states have (on average 1.3166332665330662) internal successors, (3285), 2500 states have internal predecessors, (3285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:51,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2501 states and 3285 transitions. [2024-11-16 08:32:51,667 INFO L78 Accepts]: Start accepts. Automaton has 2501 states and 3285 transitions. Word has length 54 [2024-11-16 08:32:51,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:51,668 INFO L471 AbstractCegarLoop]: Abstraction has 2501 states and 3285 transitions. [2024-11-16 08:32:51,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 3285 transitions. [2024-11-16 08:32:51,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 08:32:51,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:51,671 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:51,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 08:32:51,671 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:51,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:51,672 INFO L85 PathProgramCache]: Analyzing trace with hash 572014330, now seen corresponding path program 1 times [2024-11-16 08:32:51,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:51,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891465070] [2024-11-16 08:32:51,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:51,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:51,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:51,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891465070] [2024-11-16 08:32:51,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891465070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:51,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:51,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:51,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17947939] [2024-11-16 08:32:51,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:51,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:51,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:51,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:51,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:51,765 INFO L87 Difference]: Start difference. First operand 2501 states and 3285 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:51,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:51,822 INFO L93 Difference]: Finished difference Result 4333 states and 5990 transitions. [2024-11-16 08:32:51,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:51,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-16 08:32:51,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:51,831 INFO L225 Difference]: With dead ends: 4333 [2024-11-16 08:32:51,831 INFO L226 Difference]: Without dead ends: 3086 [2024-11-16 08:32:51,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:51,834 INFO L432 NwaCegarLoop]: 999 mSDtfsCounter, 478 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:51,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 1524 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:51,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3086 states. [2024-11-16 08:32:51,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3086 to 3084. [2024-11-16 08:32:51,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3084 states, 3078 states have (on average 1.3489278752436646) internal successors, (4152), 3083 states have internal predecessors, (4152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:51,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 4152 transitions. [2024-11-16 08:32:51,876 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 4152 transitions. Word has length 54 [2024-11-16 08:32:51,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:51,876 INFO L471 AbstractCegarLoop]: Abstraction has 3084 states and 4152 transitions. [2024-11-16 08:32:51,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:51,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 4152 transitions. [2024-11-16 08:32:51,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 08:32:51,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:51,878 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:51,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 08:32:51,879 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:51,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:51,879 INFO L85 PathProgramCache]: Analyzing trace with hash -919843377, now seen corresponding path program 1 times [2024-11-16 08:32:51,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:51,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866188702] [2024-11-16 08:32:51,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:51,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:51,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:51,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:51,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866188702] [2024-11-16 08:32:51,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866188702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:51,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:51,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:51,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003790453] [2024-11-16 08:32:51,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:51,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:51,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:51,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:51,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:51,942 INFO L87 Difference]: Start difference. First operand 3084 states and 4152 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:52,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:52,000 INFO L93 Difference]: Finished difference Result 6202 states and 8723 transitions. [2024-11-16 08:32:52,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:52,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-16 08:32:52,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:52,012 INFO L225 Difference]: With dead ends: 6202 [2024-11-16 08:32:52,012 INFO L226 Difference]: Without dead ends: 4296 [2024-11-16 08:32:52,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:52,016 INFO L432 NwaCegarLoop]: 958 mSDtfsCounter, 485 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 1461 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:52,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 1461 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:52,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4296 states. [2024-11-16 08:32:52,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4296 to 4294. [2024-11-16 08:32:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4294 states, 4288 states have (on average 1.3763992537313432) internal successors, (5902), 4293 states have internal predecessors, (5902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:52,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4294 states to 4294 states and 5902 transitions. [2024-11-16 08:32:52,077 INFO L78 Accepts]: Start accepts. Automaton has 4294 states and 5902 transitions. Word has length 54 [2024-11-16 08:32:52,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:52,077 INFO L471 AbstractCegarLoop]: Abstraction has 4294 states and 5902 transitions. [2024-11-16 08:32:52,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:52,077 INFO L276 IsEmpty]: Start isEmpty. Operand 4294 states and 5902 transitions. [2024-11-16 08:32:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-16 08:32:52,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:52,079 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:52,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 08:32:52,080 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:52,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:52,080 INFO L85 PathProgramCache]: Analyzing trace with hash 770892262, now seen corresponding path program 1 times [2024-11-16 08:32:52,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:52,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236803792] [2024-11-16 08:32:52,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:52,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:52,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:52,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:52,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236803792] [2024-11-16 08:32:52,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236803792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:52,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:52,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:52,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714719342] [2024-11-16 08:32:52,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:52,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:52,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:52,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:52,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:52,146 INFO L87 Difference]: Start difference. First operand 4294 states and 5902 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:52,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:52,262 INFO L93 Difference]: Finished difference Result 8608 states and 12001 transitions. [2024-11-16 08:32:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:52,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-16 08:32:52,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:52,273 INFO L225 Difference]: With dead ends: 8608 [2024-11-16 08:32:52,273 INFO L226 Difference]: Without dead ends: 4879 [2024-11-16 08:32:52,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:52,281 INFO L432 NwaCegarLoop]: 732 mSDtfsCounter, 719 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:52,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 1062 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:32:52,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2024-11-16 08:32:52,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 3913. [2024-11-16 08:32:52,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3913 states, 3908 states have (on average 1.38971340839304) internal successors, (5431), 3912 states have internal predecessors, (5431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3913 states and 5431 transitions. [2024-11-16 08:32:52,371 INFO L78 Accepts]: Start accepts. Automaton has 3913 states and 5431 transitions. Word has length 55 [2024-11-16 08:32:52,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:52,372 INFO L471 AbstractCegarLoop]: Abstraction has 3913 states and 5431 transitions. [2024-11-16 08:32:52,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:52,372 INFO L276 IsEmpty]: Start isEmpty. Operand 3913 states and 5431 transitions. [2024-11-16 08:32:52,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-16 08:32:52,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:52,374 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:52,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 08:32:52,374 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:52,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:52,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1998150138, now seen corresponding path program 1 times [2024-11-16 08:32:52,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:52,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84609135] [2024-11-16 08:32:52,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:52,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:53,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:53,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84609135] [2024-11-16 08:32:53,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84609135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:53,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:53,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 08:32:53,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061281762] [2024-11-16 08:32:53,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:53,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 08:32:53,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:53,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 08:32:53,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-16 08:32:53,770 INFO L87 Difference]: Start difference. First operand 3913 states and 5431 transitions. Second operand has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:56,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:56,002 INFO L93 Difference]: Finished difference Result 7695 states and 10732 transitions. [2024-11-16 08:32:56,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 08:32:56,003 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-16 08:32:56,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:56,017 INFO L225 Difference]: With dead ends: 7695 [2024-11-16 08:32:56,017 INFO L226 Difference]: Without dead ends: 7638 [2024-11-16 08:32:56,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=261, Invalid=731, Unknown=0, NotChecked=0, Total=992 [2024-11-16 08:32:56,020 INFO L432 NwaCegarLoop]: 681 mSDtfsCounter, 6119 mSDsluCounter, 5157 mSDsCounter, 0 mSdLazyCounter, 1783 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6119 SdHoareTripleChecker+Valid, 5838 SdHoareTripleChecker+Invalid, 1795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:56,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6119 Valid, 5838 Invalid, 1795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1783 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 08:32:56,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7638 states. [2024-11-16 08:32:56,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7638 to 3912. [2024-11-16 08:32:56,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3912 states, 3907 states have (on average 1.3895572050166367) internal successors, (5429), 3911 states have internal predecessors, (5429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 5429 transitions. [2024-11-16 08:32:56,091 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 5429 transitions. Word has length 55 [2024-11-16 08:32:56,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:56,091 INFO L471 AbstractCegarLoop]: Abstraction has 3912 states and 5429 transitions. [2024-11-16 08:32:56,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:56,091 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 5429 transitions. [2024-11-16 08:32:56,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-16 08:32:56,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:56,095 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:56,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 08:32:56,095 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:56,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:56,096 INFO L85 PathProgramCache]: Analyzing trace with hash 337029763, now seen corresponding path program 1 times [2024-11-16 08:32:56,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:56,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710760002] [2024-11-16 08:32:56,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:56,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:56,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:56,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:56,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710760002] [2024-11-16 08:32:56,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710760002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:56,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:56,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:56,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41595612] [2024-11-16 08:32:56,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:56,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:56,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:56,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:56,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:56,159 INFO L87 Difference]: Start difference. First operand 3912 states and 5429 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:56,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:56,251 INFO L93 Difference]: Finished difference Result 7905 states and 11132 transitions. [2024-11-16 08:32:56,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:56,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-16 08:32:56,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:56,258 INFO L225 Difference]: With dead ends: 7905 [2024-11-16 08:32:56,259 INFO L226 Difference]: Without dead ends: 4438 [2024-11-16 08:32:56,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:56,263 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 556 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:56,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 872 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:32:56,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4438 states. [2024-11-16 08:32:56,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4438 to 3559. [2024-11-16 08:32:56,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3559 states, 3555 states have (on average 1.3977496483825598) internal successors, (4969), 3558 states have internal predecessors, (4969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 3559 states and 4969 transitions. [2024-11-16 08:32:56,316 INFO L78 Accepts]: Start accepts. Automaton has 3559 states and 4969 transitions. Word has length 55 [2024-11-16 08:32:56,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:56,316 INFO L471 AbstractCegarLoop]: Abstraction has 3559 states and 4969 transitions. [2024-11-16 08:32:56,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:56,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3559 states and 4969 transitions. [2024-11-16 08:32:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:32:56,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:56,318 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:56,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 08:32:56,318 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:56,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:56,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1452903721, now seen corresponding path program 1 times [2024-11-16 08:32:56,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:56,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767614885] [2024-11-16 08:32:56,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:56,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:56,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:56,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:56,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767614885] [2024-11-16 08:32:56,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767614885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:56,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:56,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 08:32:56,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022106000] [2024-11-16 08:32:56,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:56,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:32:56,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:56,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:32:56,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:32:56,909 INFO L87 Difference]: Start difference. First operand 3559 states and 4969 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:57,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:57,719 INFO L93 Difference]: Finished difference Result 5668 states and 7880 transitions. [2024-11-16 08:32:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:32:57,720 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-16 08:32:57,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:57,730 INFO L225 Difference]: With dead ends: 5668 [2024-11-16 08:32:57,731 INFO L226 Difference]: Without dead ends: 5656 [2024-11-16 08:32:57,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-16 08:32:57,733 INFO L432 NwaCegarLoop]: 717 mSDtfsCounter, 3723 mSDsluCounter, 3150 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3723 SdHoareTripleChecker+Valid, 3867 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:57,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3723 Valid, 3867 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:32:57,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5656 states. [2024-11-16 08:32:57,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5656 to 3547. [2024-11-16 08:32:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3547 states, 3544 states have (on average 1.3984198645598194) internal successors, (4956), 3546 states have internal predecessors, (4956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 3547 states and 4956 transitions. [2024-11-16 08:32:57,802 INFO L78 Accepts]: Start accepts. Automaton has 3547 states and 4956 transitions. Word has length 56 [2024-11-16 08:32:57,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:57,802 INFO L471 AbstractCegarLoop]: Abstraction has 3547 states and 4956 transitions. [2024-11-16 08:32:57,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:57,803 INFO L276 IsEmpty]: Start isEmpty. Operand 3547 states and 4956 transitions. [2024-11-16 08:32:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:32:57,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:57,804 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:57,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 08:32:57,805 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:57,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:57,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1202531109, now seen corresponding path program 1 times [2024-11-16 08:32:57,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:57,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915304421] [2024-11-16 08:32:57,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:57,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:58,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:58,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915304421] [2024-11-16 08:32:58,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915304421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:58,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:58,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 08:32:58,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778033531] [2024-11-16 08:32:58,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:58,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:32:58,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:58,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:32:58,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:32:58,365 INFO L87 Difference]: Start difference. First operand 3547 states and 4956 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:59,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:59,145 INFO L93 Difference]: Finished difference Result 6486 states and 9065 transitions. [2024-11-16 08:32:59,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:32:59,146 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-16 08:32:59,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:59,157 INFO L225 Difference]: With dead ends: 6486 [2024-11-16 08:32:59,157 INFO L226 Difference]: Without dead ends: 6482 [2024-11-16 08:32:59,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:32:59,160 INFO L432 NwaCegarLoop]: 630 mSDtfsCounter, 3733 mSDsluCounter, 2890 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3733 SdHoareTripleChecker+Valid, 3520 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:59,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3733 Valid, 3520 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:32:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6482 states. [2024-11-16 08:32:59,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6482 to 3543. [2024-11-16 08:32:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3543 states, 3541 states have (on average 1.3984750070601526) internal successors, (4952), 3542 states have internal predecessors, (4952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:59,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 3543 states and 4952 transitions. [2024-11-16 08:32:59,218 INFO L78 Accepts]: Start accepts. Automaton has 3543 states and 4952 transitions. Word has length 56 [2024-11-16 08:32:59,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:59,218 INFO L471 AbstractCegarLoop]: Abstraction has 3543 states and 4952 transitions. [2024-11-16 08:32:59,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3543 states and 4952 transitions. [2024-11-16 08:32:59,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:32:59,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:59,220 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:59,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 08:32:59,220 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:32:59,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:59,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1318150767, now seen corresponding path program 1 times [2024-11-16 08:32:59,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:59,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470292473] [2024-11-16 08:32:59,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:59,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:59,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:59,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:59,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470292473] [2024-11-16 08:32:59,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470292473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:59,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:59,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 08:32:59,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639408622] [2024-11-16 08:32:59,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:59,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:32:59,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:59,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:32:59,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:32:59,677 INFO L87 Difference]: Start difference. First operand 3543 states and 4952 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:00,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:00,475 INFO L93 Difference]: Finished difference Result 5677 states and 7899 transitions. [2024-11-16 08:33:00,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:33:00,476 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-16 08:33:00,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:00,484 INFO L225 Difference]: With dead ends: 5677 [2024-11-16 08:33:00,484 INFO L226 Difference]: Without dead ends: 5590 [2024-11-16 08:33:00,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:33:00,488 INFO L432 NwaCegarLoop]: 642 mSDtfsCounter, 2803 mSDsluCounter, 2906 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2803 SdHoareTripleChecker+Valid, 3548 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:00,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2803 Valid, 3548 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:33:00,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5590 states. [2024-11-16 08:33:00,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5590 to 3512. [2024-11-16 08:33:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3512 states, 3511 states have (on average 1.399031614924523) internal successors, (4912), 3511 states have internal predecessors, (4912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3512 states to 3512 states and 4912 transitions. [2024-11-16 08:33:00,545 INFO L78 Accepts]: Start accepts. Automaton has 3512 states and 4912 transitions. Word has length 56 [2024-11-16 08:33:00,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:00,545 INFO L471 AbstractCegarLoop]: Abstraction has 3512 states and 4912 transitions. [2024-11-16 08:33:00,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 3512 states and 4912 transitions. [2024-11-16 08:33:00,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-16 08:33:00,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:00,548 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] [2024-11-16 08:33:00,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 08:33:00,549 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:00,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:00,549 INFO L85 PathProgramCache]: Analyzing trace with hash -520850727, now seen corresponding path program 1 times [2024-11-16 08:33:00,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:00,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294450367] [2024-11-16 08:33:00,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:00,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:00,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:00,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294450367] [2024-11-16 08:33:00,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294450367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:00,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:00,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:00,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216727109] [2024-11-16 08:33:00,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:00,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:00,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:00,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:00,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:00,715 INFO L87 Difference]: Start difference. First operand 3512 states and 4912 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:00,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:00,815 INFO L93 Difference]: Finished difference Result 11209 states and 15949 transitions. [2024-11-16 08:33:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:33:00,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2024-11-16 08:33:00,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:00,827 INFO L225 Difference]: With dead ends: 11209 [2024-11-16 08:33:00,828 INFO L226 Difference]: Without dead ends: 8231 [2024-11-16 08:33:00,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:33:00,833 INFO L432 NwaCegarLoop]: 548 mSDtfsCounter, 1523 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:00,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 1118 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:33:00,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8231 states. [2024-11-16 08:33:00,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8231 to 6182. [2024-11-16 08:33:00,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6182 states, 6181 states have (on average 1.3949199158712182) internal successors, (8622), 6181 states have internal predecessors, (8622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6182 states to 6182 states and 8622 transitions. [2024-11-16 08:33:00,969 INFO L78 Accepts]: Start accepts. Automaton has 6182 states and 8622 transitions. Word has length 60 [2024-11-16 08:33:00,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:00,969 INFO L471 AbstractCegarLoop]: Abstraction has 6182 states and 8622 transitions. [2024-11-16 08:33:00,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:00,969 INFO L276 IsEmpty]: Start isEmpty. Operand 6182 states and 8622 transitions. [2024-11-16 08:33:00,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-16 08:33:00,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:00,972 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:00,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 08:33:00,972 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:00,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:00,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1025689502, now seen corresponding path program 1 times [2024-11-16 08:33:00,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:00,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145764460] [2024-11-16 08:33:00,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:00,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:01,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:01,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145764460] [2024-11-16 08:33:01,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145764460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:01,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:01,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:01,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421811995] [2024-11-16 08:33:01,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:01,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:01,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:01,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:01,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:01,092 INFO L87 Difference]: Start difference. First operand 6182 states and 8622 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:01,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:01,182 INFO L93 Difference]: Finished difference Result 9764 states and 13649 transitions. [2024-11-16 08:33:01,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:33:01,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-11-16 08:33:01,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:01,189 INFO L225 Difference]: With dead ends: 9764 [2024-11-16 08:33:01,189 INFO L226 Difference]: Without dead ends: 4090 [2024-11-16 08:33:01,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:01,195 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 1141 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1141 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:01,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1141 Valid, 848 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:33:01,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4090 states. [2024-11-16 08:33:01,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4090 to 4086. [2024-11-16 08:33:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4086 states, 4085 states have (on average 1.3716034271725825) internal successors, (5603), 4085 states have internal predecessors, (5603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:01,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4086 states to 4086 states and 5603 transitions. [2024-11-16 08:33:01,240 INFO L78 Accepts]: Start accepts. Automaton has 4086 states and 5603 transitions. Word has length 62 [2024-11-16 08:33:01,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:01,240 INFO L471 AbstractCegarLoop]: Abstraction has 4086 states and 5603 transitions. [2024-11-16 08:33:01,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 4086 states and 5603 transitions. [2024-11-16 08:33:01,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-16 08:33:01,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:01,242 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] [2024-11-16 08:33:01,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 08:33:01,243 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:01,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:01,243 INFO L85 PathProgramCache]: Analyzing trace with hash -2017524522, now seen corresponding path program 1 times [2024-11-16 08:33:01,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:01,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150074964] [2024-11-16 08:33:01,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:01,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:01,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:01,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150074964] [2024-11-16 08:33:01,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150074964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:01,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:01,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:33:01,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229209093] [2024-11-16 08:33:01,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:01,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:33:01,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:01,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:33:01,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:01,336 INFO L87 Difference]: Start difference. First operand 4086 states and 5603 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) [2024-11-16 08:33:01,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:01,409 INFO L93 Difference]: Finished difference Result 10882 states and 15099 transitions. [2024-11-16 08:33:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:33:01,410 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 [2024-11-16 08:33:01,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:01,420 INFO L225 Difference]: With dead ends: 10882 [2024-11-16 08:33:01,421 INFO L226 Difference]: Without dead ends: 7304 [2024-11-16 08:33:01,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:01,427 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 265 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:01,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 838 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:01,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7304 states. [2024-11-16 08:33:01,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7304 to 6886. [2024-11-16 08:33:01,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6886 states, 6885 states have (on average 1.3729847494553378) internal successors, (9453), 6885 states have internal predecessors, (9453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:01,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6886 states to 6886 states and 9453 transitions. [2024-11-16 08:33:01,518 INFO L78 Accepts]: Start accepts. Automaton has 6886 states and 9453 transitions. Word has length 64 [2024-11-16 08:33:01,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:01,518 INFO L471 AbstractCegarLoop]: Abstraction has 6886 states and 9453 transitions. [2024-11-16 08:33:01,518 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) [2024-11-16 08:33:01,518 INFO L276 IsEmpty]: Start isEmpty. Operand 6886 states and 9453 transitions. [2024-11-16 08:33:01,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:33:01,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:01,520 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] [2024-11-16 08:33:01,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 08:33:01,521 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:01,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:01,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1002589889, now seen corresponding path program 1 times [2024-11-16 08:33:01,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:01,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457181728] [2024-11-16 08:33:01,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:01,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:01,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:01,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:01,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457181728] [2024-11-16 08:33:01,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457181728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:01,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:01,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:33:01,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118613775] [2024-11-16 08:33:01,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:01,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:33:01,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:01,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:33:01,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:33:01,799 INFO L87 Difference]: Start difference. First operand 6886 states and 9453 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) 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) [2024-11-16 08:33:01,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:01,849 INFO L93 Difference]: Finished difference Result 7480 states and 10194 transitions. [2024-11-16 08:33:01,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:33:01,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) 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 [2024-11-16 08:33:01,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:01,863 INFO L225 Difference]: With dead ends: 7480 [2024-11-16 08:33:01,864 INFO L226 Difference]: Without dead ends: 7478 [2024-11-16 08:33:01,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:33:01,867 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 0 mSDsluCounter, 2042 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2555 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:01,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2555 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:01,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7478 states. [2024-11-16 08:33:01,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7478 to 7478. [2024-11-16 08:33:02,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7478 states, 7477 states have (on average 1.343453256653738) internal successors, (10045), 7477 states have internal predecessors, (10045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7478 states to 7478 states and 10045 transitions. [2024-11-16 08:33:02,025 INFO L78 Accepts]: Start accepts. Automaton has 7478 states and 10045 transitions. Word has length 67 [2024-11-16 08:33:02,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:02,025 INFO L471 AbstractCegarLoop]: Abstraction has 7478 states and 10045 transitions. [2024-11-16 08:33:02,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) 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) [2024-11-16 08:33:02,026 INFO L276 IsEmpty]: Start isEmpty. Operand 7478 states and 10045 transitions. [2024-11-16 08:33:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-16 08:33:02,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:02,031 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] [2024-11-16 08:33:02,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 08:33:02,031 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:02,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:02,031 INFO L85 PathProgramCache]: Analyzing trace with hash 123607352, now seen corresponding path program 1 times [2024-11-16 08:33:02,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:02,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723140267] [2024-11-16 08:33:02,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:02,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:02,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:02,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723140267] [2024-11-16 08:33:02,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723140267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:02,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:02,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:33:02,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658687906] [2024-11-16 08:33:02,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:02,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:33:02,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:02,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:33:02,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:02,119 INFO L87 Difference]: Start difference. First operand 7478 states and 10045 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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) [2024-11-16 08:33:02,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:02,209 INFO L93 Difference]: Finished difference Result 19902 states and 26933 transitions. [2024-11-16 08:33:02,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:33:02,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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 [2024-11-16 08:33:02,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:02,228 INFO L225 Difference]: With dead ends: 19902 [2024-11-16 08:33:02,229 INFO L226 Difference]: Without dead ends: 12916 [2024-11-16 08:33:02,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:02,239 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 278 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:02,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 774 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:33:02,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12916 states. [2024-11-16 08:33:02,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12916 to 12766. [2024-11-16 08:33:02,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12766 states, 12765 states have (on average 1.3315315315315315) internal successors, (16997), 12765 states have internal predecessors, (16997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:02,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12766 states to 12766 states and 16997 transitions. [2024-11-16 08:33:02,388 INFO L78 Accepts]: Start accepts. Automaton has 12766 states and 16997 transitions. Word has length 68 [2024-11-16 08:33:02,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:02,389 INFO L471 AbstractCegarLoop]: Abstraction has 12766 states and 16997 transitions. [2024-11-16 08:33:02,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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) [2024-11-16 08:33:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 12766 states and 16997 transitions. [2024-11-16 08:33:02,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 08:33:02,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:02,392 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:02,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 08:33:02,392 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:02,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:02,393 INFO L85 PathProgramCache]: Analyzing trace with hash 560692902, now seen corresponding path program 1 times [2024-11-16 08:33:02,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:02,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381287484] [2024-11-16 08:33:02,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:02,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:02,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:02,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:02,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381287484] [2024-11-16 08:33:02,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381287484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:02,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:02,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:02,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848134739] [2024-11-16 08:33:02,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:02,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:02,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:02,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:02,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:02,493 INFO L87 Difference]: Start difference. First operand 12766 states and 16997 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:02,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:02,679 INFO L93 Difference]: Finished difference Result 22433 states and 29964 transitions. [2024-11-16 08:33:02,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:33:02,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-16 08:33:02,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:02,705 INFO L225 Difference]: With dead ends: 22433 [2024-11-16 08:33:02,706 INFO L226 Difference]: Without dead ends: 18441 [2024-11-16 08:33:02,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:33:02,714 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 993 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 1368 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:02,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 1368 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:33:02,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18441 states. [2024-11-16 08:33:02,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18441 to 16013. [2024-11-16 08:33:02,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16013 states, 16012 states have (on average 1.3278790906819886) internal successors, (21262), 16012 states have internal predecessors, (21262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16013 states to 16013 states and 21262 transitions. [2024-11-16 08:33:02,912 INFO L78 Accepts]: Start accepts. Automaton has 16013 states and 21262 transitions. Word has length 69 [2024-11-16 08:33:02,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:02,912 INFO L471 AbstractCegarLoop]: Abstraction has 16013 states and 21262 transitions. [2024-11-16 08:33:02,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:02,913 INFO L276 IsEmpty]: Start isEmpty. Operand 16013 states and 21262 transitions. [2024-11-16 08:33:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 08:33:02,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:02,915 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:02,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 08:33:02,916 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:02,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:02,916 INFO L85 PathProgramCache]: Analyzing trace with hash 820555100, now seen corresponding path program 1 times [2024-11-16 08:33:02,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:02,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716211025] [2024-11-16 08:33:02,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:02,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:02,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:02,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716211025] [2024-11-16 08:33:02,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716211025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:02,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:02,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:33:02,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278885863] [2024-11-16 08:33:02,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:02,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:33:02,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:02,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:33:02,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:02,969 INFO L87 Difference]: Start difference. First operand 16013 states and 21262 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) [2024-11-16 08:33:03,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:03,036 INFO L93 Difference]: Finished difference Result 19335 states and 25608 transitions. [2024-11-16 08:33:03,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:33:03,038 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 [2024-11-16 08:33:03,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:03,054 INFO L225 Difference]: With dead ends: 19335 [2024-11-16 08:33:03,055 INFO L226 Difference]: Without dead ends: 12671 [2024-11-16 08:33:03,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:03,064 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 188 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:03,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 868 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:03,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12671 states. [2024-11-16 08:33:03,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12671 to 12600. [2024-11-16 08:33:03,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12600 states, 12599 states have (on average 1.3067703786014764) internal successors, (16464), 12599 states have internal predecessors, (16464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12600 states to 12600 states and 16464 transitions. [2024-11-16 08:33:03,207 INFO L78 Accepts]: Start accepts. Automaton has 12600 states and 16464 transitions. Word has length 71 [2024-11-16 08:33:03,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:03,207 INFO L471 AbstractCegarLoop]: Abstraction has 12600 states and 16464 transitions. [2024-11-16 08:33:03,207 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) [2024-11-16 08:33:03,208 INFO L276 IsEmpty]: Start isEmpty. Operand 12600 states and 16464 transitions. [2024-11-16 08:33:03,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-16 08:33:03,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:03,210 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:03,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 08:33:03,210 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:03,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:03,211 INFO L85 PathProgramCache]: Analyzing trace with hash 879899047, now seen corresponding path program 1 times [2024-11-16 08:33:03,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:03,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780166323] [2024-11-16 08:33:03,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:03,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:03,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:03,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780166323] [2024-11-16 08:33:03,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780166323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:03,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:03,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:03,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57543540] [2024-11-16 08:33:03,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:03,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:03,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:03,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:03,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:03,345 INFO L87 Difference]: Start difference. First operand 12600 states and 16464 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:03,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:03,474 INFO L93 Difference]: Finished difference Result 18232 states and 23964 transitions. [2024-11-16 08:33:03,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:33:03,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-16 08:33:03,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:03,501 INFO L225 Difference]: With dead ends: 18232 [2024-11-16 08:33:03,502 INFO L226 Difference]: Without dead ends: 15430 [2024-11-16 08:33:03,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:33:03,511 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 899 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 899 SdHoareTripleChecker+Valid, 1426 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:03,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [899 Valid, 1426 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:33:03,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15430 states. [2024-11-16 08:33:03,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15430 to 14664. [2024-11-16 08:33:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14664 states, 14663 states have (on average 1.305871922526086) internal successors, (19148), 14663 states have internal predecessors, (19148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:03,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14664 states to 14664 states and 19148 transitions. [2024-11-16 08:33:03,693 INFO L78 Accepts]: Start accepts. Automaton has 14664 states and 19148 transitions. Word has length 73 [2024-11-16 08:33:03,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:03,694 INFO L471 AbstractCegarLoop]: Abstraction has 14664 states and 19148 transitions. [2024-11-16 08:33:03,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 14664 states and 19148 transitions. [2024-11-16 08:33:03,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-16 08:33:03,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:03,697 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:03,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 08:33:03,697 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:03,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:03,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1108056388, now seen corresponding path program 1 times [2024-11-16 08:33:03,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:03,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613656972] [2024-11-16 08:33:03,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:03,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:03,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:03,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:03,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613656972] [2024-11-16 08:33:03,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613656972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:03,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:03,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:33:03,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903798405] [2024-11-16 08:33:03,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:03,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:33:03,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:03,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:33:03,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:33:03,817 INFO L87 Difference]: Start difference. First operand 14664 states and 19148 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:04,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:04,374 INFO L93 Difference]: Finished difference Result 35000 states and 45942 transitions. [2024-11-16 08:33:04,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:33:04,374 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-16 08:33:04,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:04,418 INFO L225 Difference]: With dead ends: 35000 [2024-11-16 08:33:04,418 INFO L226 Difference]: Without dead ends: 26174 [2024-11-16 08:33:04,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:33:04,436 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 2320 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:04,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 718 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:33:04,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26174 states. [2024-11-16 08:33:04,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26174 to 17376. [2024-11-16 08:33:04,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17376 states, 17375 states have (on average 1.2989928057553957) internal successors, (22570), 17375 states have internal predecessors, (22570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:04,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17376 states to 17376 states and 22570 transitions. [2024-11-16 08:33:04,740 INFO L78 Accepts]: Start accepts. Automaton has 17376 states and 22570 transitions. Word has length 73 [2024-11-16 08:33:04,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:04,741 INFO L471 AbstractCegarLoop]: Abstraction has 17376 states and 22570 transitions. [2024-11-16 08:33:04,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:04,741 INFO L276 IsEmpty]: Start isEmpty. Operand 17376 states and 22570 transitions. [2024-11-16 08:33:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-16 08:33:04,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:04,744 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:04,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 08:33:04,744 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:04,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:04,745 INFO L85 PathProgramCache]: Analyzing trace with hash 547127514, now seen corresponding path program 1 times [2024-11-16 08:33:04,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:04,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924286114] [2024-11-16 08:33:04,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:04,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:04,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:04,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924286114] [2024-11-16 08:33:04,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924286114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:04,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:04,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:04,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235918321] [2024-11-16 08:33:04,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:04,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:04,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:04,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:04,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:04,849 INFO L87 Difference]: Start difference. First operand 17376 states and 22570 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:04,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:04,969 INFO L93 Difference]: Finished difference Result 27100 states and 35404 transitions. [2024-11-16 08:33:04,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:33:04,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-16 08:33:04,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:04,992 INFO L225 Difference]: With dead ends: 27100 [2024-11-16 08:33:04,992 INFO L226 Difference]: Without dead ends: 22578 [2024-11-16 08:33:05,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:33:05,002 INFO L432 NwaCegarLoop]: 586 mSDtfsCounter, 1061 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1061 SdHoareTripleChecker+Valid, 1191 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:05,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1061 Valid, 1191 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:33:05,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22578 states. [2024-11-16 08:33:05,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22578 to 21132. [2024-11-16 08:33:05,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21132 states, 21131 states have (on average 1.2986607354124273) internal successors, (27442), 21131 states have internal predecessors, (27442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21132 states to 21132 states and 27442 transitions. [2024-11-16 08:33:05,363 INFO L78 Accepts]: Start accepts. Automaton has 21132 states and 27442 transitions. Word has length 75 [2024-11-16 08:33:05,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:05,363 INFO L471 AbstractCegarLoop]: Abstraction has 21132 states and 27442 transitions. [2024-11-16 08:33:05,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:05,363 INFO L276 IsEmpty]: Start isEmpty. Operand 21132 states and 27442 transitions. [2024-11-16 08:33:05,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-16 08:33:05,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:05,374 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:05,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 08:33:05,374 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:05,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:05,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1522998896, now seen corresponding path program 1 times [2024-11-16 08:33:05,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:05,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082584004] [2024-11-16 08:33:05,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:05,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:05,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:05,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082584004] [2024-11-16 08:33:05,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082584004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:05,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:05,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:05,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943275279] [2024-11-16 08:33:05,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:05,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:05,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:05,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:05,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:05,592 INFO L87 Difference]: Start difference. First operand 21132 states and 27442 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:05,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:05,859 INFO L93 Difference]: Finished difference Result 30646 states and 39927 transitions. [2024-11-16 08:33:05,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:33:05,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-16 08:33:05,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:05,886 INFO L225 Difference]: With dead ends: 30646 [2024-11-16 08:33:05,887 INFO L226 Difference]: Without dead ends: 22368 [2024-11-16 08:33:05,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:33:05,901 INFO L432 NwaCegarLoop]: 588 mSDtfsCounter, 993 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 1266 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:05,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 1266 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:33:05,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22368 states. [2024-11-16 08:33:06,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22368 to 20924. [2024-11-16 08:33:06,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20924 states, 20923 states have (on average 1.29665917889404) internal successors, (27130), 20923 states have internal predecessors, (27130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20924 states to 20924 states and 27130 transitions. [2024-11-16 08:33:06,198 INFO L78 Accepts]: Start accepts. Automaton has 20924 states and 27130 transitions. Word has length 83 [2024-11-16 08:33:06,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:06,198 INFO L471 AbstractCegarLoop]: Abstraction has 20924 states and 27130 transitions. [2024-11-16 08:33:06,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand 20924 states and 27130 transitions. [2024-11-16 08:33:06,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-16 08:33:06,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:06,205 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:06,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 08:33:06,205 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:06,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:06,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1221420205, now seen corresponding path program 1 times [2024-11-16 08:33:06,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:06,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378771270] [2024-11-16 08:33:06,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:06,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:06,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:06,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378771270] [2024-11-16 08:33:06,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378771270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:06,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:06,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:06,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826288898] [2024-11-16 08:33:06,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:06,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:06,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:06,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:06,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:06,488 INFO L87 Difference]: Start difference. First operand 20924 states and 27130 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:06,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:06,607 INFO L93 Difference]: Finished difference Result 28302 states and 36763 transitions. [2024-11-16 08:33:06,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:33:06,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-16 08:33:06,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:06,626 INFO L225 Difference]: With dead ends: 28302 [2024-11-16 08:33:06,626 INFO L226 Difference]: Without dead ends: 22192 [2024-11-16 08:33:06,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:33:06,636 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 982 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:06,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 1259 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:33:06,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22192 states. [2024-11-16 08:33:06,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22192 to 20748. [2024-11-16 08:33:06,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20748 states, 20747 states have (on average 1.2949342073552803) internal successors, (26866), 20747 states have internal predecessors, (26866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20748 states to 20748 states and 26866 transitions. [2024-11-16 08:33:06,904 INFO L78 Accepts]: Start accepts. Automaton has 20748 states and 26866 transitions. Word has length 83 [2024-11-16 08:33:06,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:06,904 INFO L471 AbstractCegarLoop]: Abstraction has 20748 states and 26866 transitions. [2024-11-16 08:33:06,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:06,904 INFO L276 IsEmpty]: Start isEmpty. Operand 20748 states and 26866 transitions. [2024-11-16 08:33:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 08:33:06,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:06,908 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] [2024-11-16 08:33:06,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 08:33:06,908 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:06,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:06,909 INFO L85 PathProgramCache]: Analyzing trace with hash -246511071, now seen corresponding path program 1 times [2024-11-16 08:33:06,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:06,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339175287] [2024-11-16 08:33:06,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:06,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:07,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:07,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:07,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339175287] [2024-11-16 08:33:07,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339175287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:07,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:07,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:33:07,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667839668] [2024-11-16 08:33:07,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:07,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:33:07,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:07,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:33:07,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:33:07,040 INFO L87 Difference]: Start difference. First operand 20748 states and 26866 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:07,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:07,499 INFO L93 Difference]: Finished difference Result 24003 states and 30975 transitions. [2024-11-16 08:33:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:33:07,500 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-16 08:33:07,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:07,521 INFO L225 Difference]: With dead ends: 24003 [2024-11-16 08:33:07,522 INFO L226 Difference]: Without dead ends: 23297 [2024-11-16 08:33:07,529 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 [2024-11-16 08:33:07,530 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 1998 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:07,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 692 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:33:07,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23297 states. [2024-11-16 08:33:07,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23297 to 20745. [2024-11-16 08:33:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20745 states, 20744 states have (on average 1.2948804473582722) internal successors, (26861), 20744 states have internal predecessors, (26861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20745 states to 20745 states and 26861 transitions. [2024-11-16 08:33:07,867 INFO L78 Accepts]: Start accepts. Automaton has 20745 states and 26861 transitions. Word has length 84 [2024-11-16 08:33:07,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:07,868 INFO L471 AbstractCegarLoop]: Abstraction has 20745 states and 26861 transitions. [2024-11-16 08:33:07,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 20745 states and 26861 transitions. [2024-11-16 08:33:07,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-16 08:33:07,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:07,876 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:07,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 08:33:07,876 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:07,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:07,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1853045382, now seen corresponding path program 1 times [2024-11-16 08:33:07,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:07,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785115111] [2024-11-16 08:33:07,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:07,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:08,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-16 08:33:08,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:08,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785115111] [2024-11-16 08:33:08,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785115111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:08,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:08,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 08:33:08,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782672122] [2024-11-16 08:33:08,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:08,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 08:33:08,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:08,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 08:33:08,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:33:08,152 INFO L87 Difference]: Start difference. First operand 20745 states and 26861 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:08,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:08,816 INFO L93 Difference]: Finished difference Result 31143 states and 40276 transitions. [2024-11-16 08:33:08,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:33:08,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-16 08:33:08,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:08,843 INFO L225 Difference]: With dead ends: 31143 [2024-11-16 08:33:08,843 INFO L226 Difference]: Without dead ends: 27453 [2024-11-16 08:33:08,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:33:08,853 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 1809 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1809 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:08,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1809 Valid, 943 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:33:08,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27453 states. [2024-11-16 08:33:09,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27453 to 20185. [2024-11-16 08:33:09,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20185 states, 20184 states have (on average 1.2948870392390013) internal successors, (26136), 20184 states have internal predecessors, (26136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:09,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20185 states to 20185 states and 26136 transitions. [2024-11-16 08:33:09,167 INFO L78 Accepts]: Start accepts. Automaton has 20185 states and 26136 transitions. Word has length 91 [2024-11-16 08:33:09,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:09,167 INFO L471 AbstractCegarLoop]: Abstraction has 20185 states and 26136 transitions. [2024-11-16 08:33:09,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 20185 states and 26136 transitions. [2024-11-16 08:33:09,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 08:33:09,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:09,173 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:09,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-16 08:33:09,173 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:09,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:09,174 INFO L85 PathProgramCache]: Analyzing trace with hash -967627002, now seen corresponding path program 1 times [2024-11-16 08:33:09,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:09,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636610078] [2024-11-16 08:33:09,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:09,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:09,433 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-16 08:33:09,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:09,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636610078] [2024-11-16 08:33:09,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636610078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:09,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:09,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:33:09,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936971720] [2024-11-16 08:33:09,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:09,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:33:09,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:09,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:33:09,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:33:09,435 INFO L87 Difference]: Start difference. First operand 20185 states and 26136 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:10,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:10,381 INFO L93 Difference]: Finished difference Result 56304 states and 72795 transitions. [2024-11-16 08:33:10,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:33:10,382 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-16 08:33:10,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:10,421 INFO L225 Difference]: With dead ends: 56304 [2024-11-16 08:33:10,421 INFO L226 Difference]: Without dead ends: 42192 [2024-11-16 08:33:10,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-16 08:33:10,440 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 1926 mSDsluCounter, 1368 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:10,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 1726 Invalid, 1337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 08:33:10,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42192 states. [2024-11-16 08:33:10,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42192 to 20171. [2024-11-16 08:33:10,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20171 states, 20170 states have (on average 1.2950421417947446) internal successors, (26121), 20170 states have internal predecessors, (26121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:10,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20171 states to 20171 states and 26121 transitions. [2024-11-16 08:33:10,835 INFO L78 Accepts]: Start accepts. Automaton has 20171 states and 26121 transitions. Word has length 92 [2024-11-16 08:33:10,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:10,835 INFO L471 AbstractCegarLoop]: Abstraction has 20171 states and 26121 transitions. [2024-11-16 08:33:10,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 20171 states and 26121 transitions. [2024-11-16 08:33:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 08:33:10,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:10,842 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:10,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-16 08:33:10,842 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:10,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:10,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1945958228, now seen corresponding path program 1 times [2024-11-16 08:33:10,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:10,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694872188] [2024-11-16 08:33:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:10,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:11,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:11,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694872188] [2024-11-16 08:33:11,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694872188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:11,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:11,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 08:33:11,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233928493] [2024-11-16 08:33:11,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:11,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 08:33:11,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:11,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 08:33:11,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-16 08:33:11,213 INFO L87 Difference]: Start difference. First operand 20171 states and 26121 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:12,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:12,248 INFO L93 Difference]: Finished difference Result 39375 states and 50567 transitions. [2024-11-16 08:33:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 08:33:12,248 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-16 08:33:12,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:12,280 INFO L225 Difference]: With dead ends: 39375 [2024-11-16 08:33:12,281 INFO L226 Difference]: Without dead ends: 32173 [2024-11-16 08:33:12,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2024-11-16 08:33:12,294 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 1950 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 1564 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:12,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 1564 Invalid, 1320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 08:33:12,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32173 states. [2024-11-16 08:33:12,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32173 to 28631. [2024-11-16 08:33:12,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28631 states, 28630 states have (on average 1.289416695773664) internal successors, (36916), 28630 states have internal predecessors, (36916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28631 states to 28631 states and 36916 transitions. [2024-11-16 08:33:12,644 INFO L78 Accepts]: Start accepts. Automaton has 28631 states and 36916 transitions. Word has length 92 [2024-11-16 08:33:12,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:12,644 INFO L471 AbstractCegarLoop]: Abstraction has 28631 states and 36916 transitions. [2024-11-16 08:33:12,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 28631 states and 36916 transitions. [2024-11-16 08:33:12,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-16 08:33:12,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:12,650 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:12,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-16 08:33:12,651 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:12,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:12,651 INFO L85 PathProgramCache]: Analyzing trace with hash 239028810, now seen corresponding path program 1 times [2024-11-16 08:33:12,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:12,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288218871] [2024-11-16 08:33:12,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:12,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:12,749 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-16 08:33:12,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:12,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288218871] [2024-11-16 08:33:12,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288218871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:12,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:12,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:33:12,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675383133] [2024-11-16 08:33:12,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:12,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:33:12,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:12,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:33:12,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:12,751 INFO L87 Difference]: Start difference. First operand 28631 states and 36916 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:13,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:13,056 INFO L93 Difference]: Finished difference Result 81153 states and 104500 transitions. [2024-11-16 08:33:13,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:33:13,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 93 [2024-11-16 08:33:13,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:13,113 INFO L225 Difference]: With dead ends: 81153 [2024-11-16 08:33:13,113 INFO L226 Difference]: Without dead ends: 53034 [2024-11-16 08:33:13,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:13,140 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 291 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:13,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 777 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:13,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53034 states. [2024-11-16 08:33:13,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53034 to 43662. [2024-11-16 08:33:13,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43662 states, 43661 states have (on average 1.2724170312177916) internal successors, (55555), 43661 states have internal predecessors, (55555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43662 states to 43662 states and 55555 transitions. [2024-11-16 08:33:13,720 INFO L78 Accepts]: Start accepts. Automaton has 43662 states and 55555 transitions. Word has length 93 [2024-11-16 08:33:13,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:13,720 INFO L471 AbstractCegarLoop]: Abstraction has 43662 states and 55555 transitions. [2024-11-16 08:33:13,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:13,720 INFO L276 IsEmpty]: Start isEmpty. Operand 43662 states and 55555 transitions. [2024-11-16 08:33:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-16 08:33:13,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:13,730 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:13,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-16 08:33:13,730 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:13,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:13,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1691565581, now seen corresponding path program 1 times [2024-11-16 08:33:13,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:13,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122384735] [2024-11-16 08:33:13,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:13,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:14,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:14,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:14,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122384735] [2024-11-16 08:33:14,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122384735] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:33:14,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873854733] [2024-11-16 08:33:14,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:14,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:14,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:33:14,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:33:14,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 08:33:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:14,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-16 08:33:14,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:33:15,505 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:15,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:33:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:16,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873854733] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:33:16,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:33:16,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 11] total 24 [2024-11-16 08:33:16,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030807848] [2024-11-16 08:33:16,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:33:16,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-16 08:33:16,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:16,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-16 08:33:16,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2024-11-16 08:33:16,490 INFO L87 Difference]: Start difference. First operand 43662 states and 55555 transitions. Second operand has 25 states, 25 states have (on average 9.32) internal successors, (233), 24 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:21,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:21,861 INFO L93 Difference]: Finished difference Result 224591 states and 282444 transitions. [2024-11-16 08:33:21,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-16 08:33:21,862 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 9.32) internal successors, (233), 24 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-16 08:33:21,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:22,090 INFO L225 Difference]: With dead ends: 224591 [2024-11-16 08:33:22,090 INFO L226 Difference]: Without dead ends: 198395 [2024-11-16 08:33:22,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3409 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=2449, Invalid=7853, Unknown=0, NotChecked=0, Total=10302 [2024-11-16 08:33:22,124 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 4772 mSDsluCounter, 4309 mSDsCounter, 0 mSdLazyCounter, 4507 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4772 SdHoareTripleChecker+Valid, 4663 SdHoareTripleChecker+Invalid, 4633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 4507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:22,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4772 Valid, 4663 Invalid, 4633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 4507 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-16 08:33:22,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198395 states. [2024-11-16 08:33:23,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198395 to 44175. [2024-11-16 08:33:23,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44175 states, 44174 states have (on average 1.2719020238149137) internal successors, (56185), 44174 states have internal predecessors, (56185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44175 states to 44175 states and 56185 transitions. [2024-11-16 08:33:23,682 INFO L78 Accepts]: Start accepts. Automaton has 44175 states and 56185 transitions. Word has length 93 [2024-11-16 08:33:23,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:23,682 INFO L471 AbstractCegarLoop]: Abstraction has 44175 states and 56185 transitions. [2024-11-16 08:33:23,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.32) internal successors, (233), 24 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 44175 states and 56185 transitions. [2024-11-16 08:33:23,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-16 08:33:23,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:23,691 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:23,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 08:33:23,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-16 08:33:23,892 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:23,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:23,893 INFO L85 PathProgramCache]: Analyzing trace with hash 2090957198, now seen corresponding path program 1 times [2024-11-16 08:33:23,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:23,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389904603] [2024-11-16 08:33:23,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:23,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:24,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:24,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389904603] [2024-11-16 08:33:24,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389904603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:33:24,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876701405] [2024-11-16 08:33:24,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:24,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:24,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:33:24,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:33:24,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 08:33:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:24,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-16 08:33:24,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:33:24,502 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:24,502 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:33:24,929 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:24,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876701405] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:33:24,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:33:24,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 8] total 13 [2024-11-16 08:33:24,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437205474] [2024-11-16 08:33:24,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:33:24,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:33:24,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:24,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:33:24,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:33:24,931 INFO L87 Difference]: Start difference. First operand 44175 states and 56185 transitions. Second operand has 13 states, 13 states have (on average 14.846153846153847) internal successors, (193), 13 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:25,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:25,967 INFO L93 Difference]: Finished difference Result 255759 states and 325297 transitions. [2024-11-16 08:33:25,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 08:33:25,967 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 14.846153846153847) internal successors, (193), 13 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-16 08:33:25,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:26,218 INFO L225 Difference]: With dead ends: 255759 [2024-11-16 08:33:26,218 INFO L226 Difference]: Without dead ends: 212584 [2024-11-16 08:33:26,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 177 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2024-11-16 08:33:26,624 INFO L432 NwaCegarLoop]: 745 mSDtfsCounter, 2468 mSDsluCounter, 2018 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2468 SdHoareTripleChecker+Valid, 2763 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:26,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2468 Valid, 2763 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:33:26,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212584 states. [2024-11-16 08:33:28,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212584 to 193886. [2024-11-16 08:33:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193886 states, 193885 states have (on average 1.2575083167857235) internal successors, (243812), 193885 states have internal predecessors, (243812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193886 states to 193886 states and 243812 transitions. [2024-11-16 08:33:29,579 INFO L78 Accepts]: Start accepts. Automaton has 193886 states and 243812 transitions. Word has length 93 [2024-11-16 08:33:29,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:29,579 INFO L471 AbstractCegarLoop]: Abstraction has 193886 states and 243812 transitions. [2024-11-16 08:33:29,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.846153846153847) internal successors, (193), 13 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:29,579 INFO L276 IsEmpty]: Start isEmpty. Operand 193886 states and 243812 transitions. [2024-11-16 08:33:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-16 08:33:29,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:29,588 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:29,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 08:33:29,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-16 08:33:29,789 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:29,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:29,789 INFO L85 PathProgramCache]: Analyzing trace with hash -141439974, now seen corresponding path program 1 times [2024-11-16 08:33:29,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:29,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644693747] [2024-11-16 08:33:29,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:29,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:29,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:29,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644693747] [2024-11-16 08:33:29,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644693747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:29,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:29,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:33:29,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922035729] [2024-11-16 08:33:29,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:29,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:33:29,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:29,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:33:29,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:29,863 INFO L87 Difference]: Start difference. First operand 193886 states and 243812 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:31,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:31,041 INFO L93 Difference]: Finished difference Result 263270 states and 330763 transitions. [2024-11-16 08:33:31,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:33:31,042 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 [2024-11-16 08:33:31,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:31,189 INFO L225 Difference]: With dead ends: 263270 [2024-11-16 08:33:31,189 INFO L226 Difference]: Without dead ends: 109442 [2024-11-16 08:33:31,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:31,261 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 140 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:31,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 820 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:31,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109442 states. [2024-11-16 08:33:32,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109442 to 102969. [2024-11-16 08:33:32,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102969 states, 102968 states have (on average 1.2469602206510761) internal successors, (128397), 102968 states have internal predecessors, (128397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102969 states to 102969 states and 128397 transitions. [2024-11-16 08:33:32,629 INFO L78 Accepts]: Start accepts. Automaton has 102969 states and 128397 transitions. Word has length 97 [2024-11-16 08:33:32,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:32,629 INFO L471 AbstractCegarLoop]: Abstraction has 102969 states and 128397 transitions. [2024-11-16 08:33:32,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:32,630 INFO L276 IsEmpty]: Start isEmpty. Operand 102969 states and 128397 transitions. [2024-11-16 08:33:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-16 08:33:32,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:32,637 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:32,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-16 08:33:32,637 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:32,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:32,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1534224241, now seen corresponding path program 1 times [2024-11-16 08:33:32,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:32,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161579275] [2024-11-16 08:33:32,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:32,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:32,758 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:32,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:32,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161579275] [2024-11-16 08:33:32,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161579275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:32,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:32,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:32,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592042819] [2024-11-16 08:33:32,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:32,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:32,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:32,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:32,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:32,761 INFO L87 Difference]: Start difference. First operand 102969 states and 128397 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:33,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:33,977 INFO L93 Difference]: Finished difference Result 207117 states and 257854 transitions. [2024-11-16 08:33:33,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:33:33,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-16 08:33:33,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:34,106 INFO L225 Difference]: With dead ends: 207117 [2024-11-16 08:33:34,106 INFO L226 Difference]: Without dead ends: 104630 [2024-11-16 08:33:34,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:33:34,155 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 844 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:34,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 682 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:33:34,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104630 states. [2024-11-16 08:33:35,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104630 to 94498. [2024-11-16 08:33:35,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94498 states, 94497 states have (on average 1.2200810607744161) internal successors, (115294), 94497 states have internal predecessors, (115294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:35,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94498 states to 94498 states and 115294 transitions. [2024-11-16 08:33:35,361 INFO L78 Accepts]: Start accepts. Automaton has 94498 states and 115294 transitions. Word has length 99 [2024-11-16 08:33:35,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:35,361 INFO L471 AbstractCegarLoop]: Abstraction has 94498 states and 115294 transitions. [2024-11-16 08:33:35,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 94498 states and 115294 transitions. [2024-11-16 08:33:35,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 08:33:35,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:35,367 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:35,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-16 08:33:35,367 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:35,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:35,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1317708437, now seen corresponding path program 1 times [2024-11-16 08:33:35,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:35,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431720193] [2024-11-16 08:33:35,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:35,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:35,427 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-16 08:33:35,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:35,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431720193] [2024-11-16 08:33:35,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431720193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:35,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:35,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:33:35,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928877878] [2024-11-16 08:33:35,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:35,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:33:35,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:35,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:33:35,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:35,428 INFO L87 Difference]: Start difference. First operand 94498 states and 115294 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:36,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:36,221 INFO L93 Difference]: Finished difference Result 136762 states and 166663 transitions. [2024-11-16 08:33:36,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:33:36,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-16 08:33:36,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:36,312 INFO L225 Difference]: With dead ends: 136762 [2024-11-16 08:33:36,313 INFO L226 Difference]: Without dead ends: 68273 [2024-11-16 08:33:36,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:36,342 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 168 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:36,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 825 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:36,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68273 states. [2024-11-16 08:33:36,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68273 to 68115. [2024-11-16 08:33:36,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68115 states, 68114 states have (on average 1.2079455031271105) internal successors, (82278), 68114 states have internal predecessors, (82278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:37,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68115 states to 68115 states and 82278 transitions. [2024-11-16 08:33:37,420 INFO L78 Accepts]: Start accepts. Automaton has 68115 states and 82278 transitions. Word has length 101 [2024-11-16 08:33:37,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:37,421 INFO L471 AbstractCegarLoop]: Abstraction has 68115 states and 82278 transitions. [2024-11-16 08:33:37,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand 68115 states and 82278 transitions. [2024-11-16 08:33:37,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-16 08:33:37,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:37,426 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:37,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-16 08:33:37,427 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:37,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:37,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1591978270, now seen corresponding path program 1 times [2024-11-16 08:33:37,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:37,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127985370] [2024-11-16 08:33:37,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:37,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:37,544 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:37,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:37,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127985370] [2024-11-16 08:33:37,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127985370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:33:37,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114637440] [2024-11-16 08:33:37,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:37,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:37,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:33:37,547 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:33:37,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 08:33:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:37,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 08:33:37,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:33:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:38,090 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:33:38,227 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:38,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114637440] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:33:38,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:33:38,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-16 08:33:38,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116472332] [2024-11-16 08:33:38,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:33:38,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 08:33:38,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:38,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 08:33:38,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-16 08:33:38,229 INFO L87 Difference]: Start difference. First operand 68115 states and 82278 transitions. Second operand has 14 states, 14 states have (on average 20.142857142857142) internal successors, (282), 14 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:39,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:39,037 INFO L93 Difference]: Finished difference Result 148763 states and 179563 transitions. [2024-11-16 08:33:39,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:33:39,038 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.142857142857142) internal successors, (282), 14 states have internal predecessors, (282), 0 states have call successors, (0), 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 104 [2024-11-16 08:33:39,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:39,136 INFO L225 Difference]: With dead ends: 148763 [2024-11-16 08:33:39,137 INFO L226 Difference]: Without dead ends: 81183 [2024-11-16 08:33:39,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:33:39,189 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 2030 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:39,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2030 Valid, 1220 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:33:39,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81183 states. [2024-11-16 08:33:40,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81183 to 72261. [2024-11-16 08:33:40,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72261 states, 72260 states have (on average 1.1931220592305563) internal successors, (86215), 72260 states have internal predecessors, (86215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:40,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72261 states to 72261 states and 86215 transitions. [2024-11-16 08:33:40,321 INFO L78 Accepts]: Start accepts. Automaton has 72261 states and 86215 transitions. Word has length 104 [2024-11-16 08:33:40,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:40,321 INFO L471 AbstractCegarLoop]: Abstraction has 72261 states and 86215 transitions. [2024-11-16 08:33:40,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.142857142857142) internal successors, (282), 14 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 72261 states and 86215 transitions. [2024-11-16 08:33:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-16 08:33:40,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:40,327 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:40,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 08:33:40,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:40,527 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-16 08:33:40,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:40,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1407287708, now seen corresponding path program 1 times [2024-11-16 08:33:40,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:40,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343231975] [2024-11-16 08:33:40,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:40,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:40,789 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:40,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:40,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343231975] [2024-11-16 08:33:40,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343231975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:33:40,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443491617] [2024-11-16 08:33:40,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:40,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:40,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:33:40,793 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:33:40,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 08:33:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:41,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-16 08:33:41,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:33:42,428 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:42,428 INFO L311 TraceCheckSpWp]: Computing backward predicates...