./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+cfa-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 6fd1b86eb4bd4da10127873e4ddea09cb0ce3be9adebe9545b8e8b0c5a6a02d7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 00:05:56,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 00:05:56,664 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 00:05:56,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 00:05:56,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 00:05:56,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 00:05:56,699 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 00:05:56,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 00:05:56,700 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 00:05:56,703 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 00:05:56,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 00:05:56,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 00:05:56,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 00:05:56,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 00:05:56,705 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 00:05:56,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 00:05:56,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 00:05:56,705 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 00:05:56,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 00:05:56,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 00:05:56,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 00:05:56,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 00:05:56,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 00:05:56,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 00:05:56,708 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 00:05:56,708 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 00:05:56,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 00:05:56,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 00:05:56,709 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 00:05:56,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 00:05:56,709 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 00:05:56,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 00:05:56,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:05:56,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 00:05:56,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 00:05:56,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 00:05:56,710 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 00:05:56,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 00:05:56,711 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 00:05:56,711 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 00:05:56,712 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 00:05:56,712 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 00:05:56,712 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd1b86eb4bd4da10127873e4ddea09cb0ce3be9adebe9545b8e8b0c5a6a02d7 [2024-11-10 00:05:56,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 00:05:56,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 00:05:56,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 00:05:56,989 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 00:05:56,990 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 00:05:56,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2024-11-10 00:05:58,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 00:05:58,514 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 00:05:58,515 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2024-11-10 00:05:58,527 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f8b4f18b/82493b10cf5a4876b2fa5124f19d2db3/FLAG544b66ba5 [2024-11-10 00:05:58,881 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f8b4f18b/82493b10cf5a4876b2fa5124f19d2db3 [2024-11-10 00:05:58,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 00:05:58,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 00:05:58,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 00:05:58,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 00:05:58,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 00:05:58,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:05:58" (1/1) ... [2024-11-10 00:05:58,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34026c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:58, skipping insertion in model container [2024-11-10 00:05:58,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:05:58" (1/1) ... [2024-11-10 00:05:58,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 00:05:59,216 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_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7806,7819] [2024-11-10 00:05:59,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:05:59,267 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 00:05:59,315 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_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7806,7819] [2024-11-10 00:05:59,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:05:59,359 INFO L204 MainTranslator]: Completed translation [2024-11-10 00:05:59,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59 WrapperNode [2024-11-10 00:05:59,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 00:05:59,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 00:05:59,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 00:05:59,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 00:05:59,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59" (1/1) ... [2024-11-10 00:05:59,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59" (1/1) ... [2024-11-10 00:05:59,416 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 687 [2024-11-10 00:05:59,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 00:05:59,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 00:05:59,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 00:05:59,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 00:05:59,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59" (1/1) ... [2024-11-10 00:05:59,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59" (1/1) ... [2024-11-10 00:05:59,430 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59" (1/1) ... [2024-11-10 00:05:59,454 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]. [2024-11-10 00:05:59,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59" (1/1) ... [2024-11-10 00:05:59,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59" (1/1) ... [2024-11-10 00:05:59,463 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59" (1/1) ... [2024-11-10 00:05:59,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59" (1/1) ... [2024-11-10 00:05:59,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59" (1/1) ... [2024-11-10 00:05:59,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59" (1/1) ... [2024-11-10 00:05:59,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 00:05:59,471 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 00:05:59,471 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 00:05:59,471 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 00:05:59,472 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59" (1/1) ... [2024-11-10 00:05:59,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:05:59,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:05:59,519 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) [2024-11-10 00:05:59,525 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 [2024-11-10 00:05:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 00:05:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 00:05:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 00:05:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 00:05:59,709 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 00:05:59,714 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 00:06:00,293 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L322: havoc main_~node3__newmax~0#1;havoc main_~node2__newmax~0#1; [2024-11-10 00:06:00,294 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L322: havoc main_~node3__newmax~0#1;havoc main_~node2__newmax~0#1; [2024-11-10 00:06:00,294 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L322: havoc main_~node3__newmax~0#1;havoc main_~node2__newmax~0#1; [2024-11-10 00:06:00,294 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L322: havoc main_~node3__newmax~0#1;havoc main_~node2__newmax~0#1; [2024-11-10 00:06:00,294 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L322: havoc main_~node3__newmax~0#1;havoc main_~node2__newmax~0#1; [2024-11-10 00:06:00,294 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L322: havoc main_~node3__newmax~0#1;havoc main_~node2__newmax~0#1; [2024-11-10 00:06:00,294 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,294 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-10 00:06:00,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L410: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:06:00,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L410: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:06:00,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L410: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:06:00,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L410: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:06:00,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L410: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:06:00,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L410: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:06:00,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L410: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:06:00,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L410: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:06:00,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L410: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:06:00,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L410: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:06:00,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L410: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:06:00,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L410: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:06:00,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L776: havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:06:00,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L776: havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:06:00,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L776: havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:06:00,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L776: havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:06:00,306 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L661: havoc main_~node2____CPAchecker_TMP_1~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:06:00,306 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L661: havoc main_~node2____CPAchecker_TMP_1~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:06:00,306 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L661: havoc main_~node2____CPAchecker_TMP_1~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:06:00,306 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L661: havoc main_~node2____CPAchecker_TMP_1~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:06:00,306 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L546: havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:06:00,307 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L546: havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:06:00,307 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L546: havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:06:00,307 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L546: havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:06:00,349 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-10 00:06:00,350 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 00:06:00,373 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 00:06:00,373 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 00:06:00,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:06:00 BoogieIcfgContainer [2024-11-10 00:06:00,374 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 00:06:00,376 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 00:06:00,377 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 00:06:00,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 00:06:00,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:05:58" (1/3) ... [2024-11-10 00:06:00,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566dd2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:06:00, skipping insertion in model container [2024-11-10 00:06:00,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:59" (2/3) ... [2024-11-10 00:06:00,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566dd2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:06:00, skipping insertion in model container [2024-11-10 00:06:00,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:06:00" (3/3) ... [2024-11-10 00:06:00,386 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2024-11-10 00:06:00,402 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 00:06:00,403 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 00:06:00,462 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 00:06:00,468 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;@5abdceb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 00:06:00,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 00:06:00,476 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 171 states have (on average 1.654970760233918) internal successors, (283), 172 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:00,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 00:06:00,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:00,485 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:00,485 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:00,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:00,491 INFO L85 PathProgramCache]: Analyzing trace with hash -2083559389, now seen corresponding path program 1 times [2024-11-10 00:06:00,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:00,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863735474] [2024-11-10 00:06:00,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:00,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:01,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:01,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863735474] [2024-11-10 00:06:01,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863735474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:01,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:01,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:01,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050375844] [2024-11-10 00:06:01,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:01,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:01,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:01,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:01,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:01,075 INFO L87 Difference]: Start difference. First operand has 173 states, 171 states have (on average 1.654970760233918) internal successors, (283), 172 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:01,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:01,163 INFO L93 Difference]: Finished difference Result 367 states and 583 transitions. [2024-11-10 00:06:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:01,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-10 00:06:01,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:01,178 INFO L225 Difference]: With dead ends: 367 [2024-11-10 00:06:01,179 INFO L226 Difference]: Without dead ends: 251 [2024-11-10 00:06:01,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:01,185 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 165 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:01,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 476 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:01,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-10 00:06:01,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 249. [2024-11-10 00:06:01,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 1.4798387096774193) internal successors, (367), 248 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:01,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 367 transitions. [2024-11-10 00:06:01,227 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 367 transitions. Word has length 63 [2024-11-10 00:06:01,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:01,227 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 367 transitions. [2024-11-10 00:06:01,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 367 transitions. [2024-11-10 00:06:01,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 00:06:01,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:01,230 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:01,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 00:06:01,230 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:01,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:01,231 INFO L85 PathProgramCache]: Analyzing trace with hash 2139242308, now seen corresponding path program 1 times [2024-11-10 00:06:01,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:01,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101952958] [2024-11-10 00:06:01,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:01,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:01,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:01,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101952958] [2024-11-10 00:06:01,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101952958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:01,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:01,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:01,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851657024] [2024-11-10 00:06:01,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:01,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:01,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:01,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:01,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:01,406 INFO L87 Difference]: Start difference. First operand 249 states and 367 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:01,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:01,442 INFO L93 Difference]: Finished difference Result 603 states and 909 transitions. [2024-11-10 00:06:01,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:01,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-10 00:06:01,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:01,445 INFO L225 Difference]: With dead ends: 603 [2024-11-10 00:06:01,445 INFO L226 Difference]: Without dead ends: 417 [2024-11-10 00:06:01,446 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 [2024-11-10 00:06:01,447 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 139 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:01,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 461 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:01,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-10 00:06:01,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 415. [2024-11-10 00:06:01,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 414 states have (on average 1.497584541062802) internal successors, (620), 414 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 620 transitions. [2024-11-10 00:06:01,465 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 620 transitions. Word has length 66 [2024-11-10 00:06:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:01,465 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 620 transitions. [2024-11-10 00:06:01,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 620 transitions. [2024-11-10 00:06:01,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-10 00:06:01,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:01,470 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] [2024-11-10 00:06:01,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 00:06:01,470 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:01,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:01,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1640690535, now seen corresponding path program 1 times [2024-11-10 00:06:01,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:01,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238766127] [2024-11-10 00:06:01,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:01,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:01,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:01,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238766127] [2024-11-10 00:06:01,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238766127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:01,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:01,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:01,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668261666] [2024-11-10 00:06:01,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:01,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:01,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:01,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:01,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:01,638 INFO L87 Difference]: Start difference. First operand 415 states and 620 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:01,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:01,669 INFO L93 Difference]: Finished difference Result 1083 states and 1638 transitions. [2024-11-10 00:06:01,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:01,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-10 00:06:01,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:01,674 INFO L225 Difference]: With dead ends: 1083 [2024-11-10 00:06:01,674 INFO L226 Difference]: Without dead ends: 731 [2024-11-10 00:06:01,677 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 [2024-11-10 00:06:01,678 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 132 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:01,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 462 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:01,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-10 00:06:01,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 729. [2024-11-10 00:06:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 728 states have (on average 1.5027472527472527) internal successors, (1094), 728 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:01,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1094 transitions. [2024-11-10 00:06:01,722 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1094 transitions. Word has length 69 [2024-11-10 00:06:01,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:01,723 INFO L471 AbstractCegarLoop]: Abstraction has 729 states and 1094 transitions. [2024-11-10 00:06:01,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:01,723 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1094 transitions. [2024-11-10 00:06:01,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-10 00:06:01,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:01,727 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] [2024-11-10 00:06:01,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 00:06:01,727 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:01,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:01,728 INFO L85 PathProgramCache]: Analyzing trace with hash 114723520, now seen corresponding path program 1 times [2024-11-10 00:06:01,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:01,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815684631] [2024-11-10 00:06:01,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:01,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:02,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:02,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815684631] [2024-11-10 00:06:02,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815684631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:02,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:02,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:06:02,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893006876] [2024-11-10 00:06:02,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:02,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:06:02,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:02,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:06:02,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:02,021 INFO L87 Difference]: Start difference. First operand 729 states and 1094 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:02,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:02,196 INFO L93 Difference]: Finished difference Result 3703 states and 5662 transitions. [2024-11-10 00:06:02,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 00:06:02,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-10 00:06:02,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:02,208 INFO L225 Difference]: With dead ends: 3703 [2024-11-10 00:06:02,209 INFO L226 Difference]: Without dead ends: 3037 [2024-11-10 00:06:02,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:06:02,214 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 1073 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 1516 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:02,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 1516 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:06:02,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3037 states. [2024-11-10 00:06:02,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3037 to 1353. [2024-11-10 00:06:02,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1353 states, 1352 states have (on average 1.5162721893491125) internal successors, (2050), 1352 states have internal predecessors, (2050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:02,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 2050 transitions. [2024-11-10 00:06:02,260 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 2050 transitions. Word has length 72 [2024-11-10 00:06:02,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:02,261 INFO L471 AbstractCegarLoop]: Abstraction has 1353 states and 2050 transitions. [2024-11-10 00:06:02,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:02,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 2050 transitions. [2024-11-10 00:06:02,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 00:06:02,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:02,263 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:02,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 00:06:02,266 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:02,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:02,266 INFO L85 PathProgramCache]: Analyzing trace with hash 982538372, now seen corresponding path program 1 times [2024-11-10 00:06:02,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:02,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031759878] [2024-11-10 00:06:02,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:02,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:02,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:02,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031759878] [2024-11-10 00:06:02,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031759878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:02,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:02,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:02,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444064330] [2024-11-10 00:06:02,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:02,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:02,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:02,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:02,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:02,362 INFO L87 Difference]: Start difference. First operand 1353 states and 2050 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:02,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:02,387 INFO L93 Difference]: Finished difference Result 2646 states and 4024 transitions. [2024-11-10 00:06:02,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:02,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-10 00:06:02,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:02,395 INFO L225 Difference]: With dead ends: 2646 [2024-11-10 00:06:02,395 INFO L226 Difference]: Without dead ends: 1964 [2024-11-10 00:06:02,397 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 [2024-11-10 00:06:02,401 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 133 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:02,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 500 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:02,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1964 states. [2024-11-10 00:06:02,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1964 to 1962. [2024-11-10 00:06:02,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1961 states have (on average 1.5089240183579806) internal successors, (2959), 1961 states have internal predecessors, (2959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:02,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2959 transitions. [2024-11-10 00:06:02,458 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2959 transitions. Word has length 74 [2024-11-10 00:06:02,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:02,458 INFO L471 AbstractCegarLoop]: Abstraction has 1962 states and 2959 transitions. [2024-11-10 00:06:02,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:02,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2959 transitions. [2024-11-10 00:06:02,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 00:06:02,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:02,461 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:02,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 00:06:02,461 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:02,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:02,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1343099150, now seen corresponding path program 1 times [2024-11-10 00:06:02,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:02,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110457563] [2024-11-10 00:06:02,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:02,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:02,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:02,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110457563] [2024-11-10 00:06:02,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110457563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:02,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:02,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:06:02,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928420734] [2024-11-10 00:06:02,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:02,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:06:02,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:02,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:06:02,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:06:02,566 INFO L87 Difference]: Start difference. First operand 1962 states and 2959 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:02,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:02,656 INFO L93 Difference]: Finished difference Result 7057 states and 10682 transitions. [2024-11-10 00:06:02,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:06:02,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-10 00:06:02,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:02,672 INFO L225 Difference]: With dead ends: 7057 [2024-11-10 00:06:02,673 INFO L226 Difference]: Without dead ends: 5279 [2024-11-10 00:06:02,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:02,679 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 478 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:02,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 851 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:06:02,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5279 states. [2024-11-10 00:06:02,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5279 to 3623. [2024-11-10 00:06:02,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3623 states, 3622 states have (on average 1.5046935394809497) internal successors, (5450), 3622 states have internal predecessors, (5450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3623 states and 5450 transitions. [2024-11-10 00:06:02,755 INFO L78 Accepts]: Start accepts. Automaton has 3623 states and 5450 transitions. Word has length 74 [2024-11-10 00:06:02,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:02,755 INFO L471 AbstractCegarLoop]: Abstraction has 3623 states and 5450 transitions. [2024-11-10 00:06:02,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 3623 states and 5450 transitions. [2024-11-10 00:06:02,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 00:06:02,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:02,757 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:02,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 00:06:02,757 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:02,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:02,757 INFO L85 PathProgramCache]: Analyzing trace with hash 323095225, now seen corresponding path program 1 times [2024-11-10 00:06:02,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:02,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451196999] [2024-11-10 00:06:02,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:02,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:02,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:02,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451196999] [2024-11-10 00:06:02,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451196999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:02,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:02,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:02,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090910802] [2024-11-10 00:06:02,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:02,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:02,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:02,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:02,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:02,823 INFO L87 Difference]: Start difference. First operand 3623 states and 5450 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:02,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:02,857 INFO L93 Difference]: Finished difference Result 6807 states and 10244 transitions. [2024-11-10 00:06:02,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:02,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-10 00:06:02,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:02,871 INFO L225 Difference]: With dead ends: 6807 [2024-11-10 00:06:02,871 INFO L226 Difference]: Without dead ends: 4877 [2024-11-10 00:06:02,875 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 [2024-11-10 00:06:02,876 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 140 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:02,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 540 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:02,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2024-11-10 00:06:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4875. [2024-11-10 00:06:02,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4875 states, 4874 states have (on average 1.4928190398030365) internal successors, (7276), 4874 states have internal predecessors, (7276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:02,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4875 states to 4875 states and 7276 transitions. [2024-11-10 00:06:02,993 INFO L78 Accepts]: Start accepts. Automaton has 4875 states and 7276 transitions. Word has length 74 [2024-11-10 00:06:02,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:02,993 INFO L471 AbstractCegarLoop]: Abstraction has 4875 states and 7276 transitions. [2024-11-10 00:06:02,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:02,993 INFO L276 IsEmpty]: Start isEmpty. Operand 4875 states and 7276 transitions. [2024-11-10 00:06:02,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 00:06:02,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:02,994 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:02,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 00:06:02,994 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:02,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:02,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1903873468, now seen corresponding path program 1 times [2024-11-10 00:06:02,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:02,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952129720] [2024-11-10 00:06:02,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:02,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:03,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:03,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952129720] [2024-11-10 00:06:03,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952129720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:03,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:03,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:03,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906041967] [2024-11-10 00:06:03,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:03,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:03,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:03,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:03,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:03,068 INFO L87 Difference]: Start difference. First operand 4875 states and 7276 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:03,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:03,117 INFO L93 Difference]: Finished difference Result 11610 states and 17365 transitions. [2024-11-10 00:06:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:03,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-10 00:06:03,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:03,137 INFO L225 Difference]: With dead ends: 11610 [2024-11-10 00:06:03,138 INFO L226 Difference]: Without dead ends: 6835 [2024-11-10 00:06:03,146 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 [2024-11-10 00:06:03,147 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 147 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:03,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 571 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:03,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6835 states. [2024-11-10 00:06:03,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6835 to 6833. [2024-11-10 00:06:03,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6833 states, 6832 states have (on average 1.4910714285714286) internal successors, (10187), 6832 states have internal predecessors, (10187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6833 states to 6833 states and 10187 transitions. [2024-11-10 00:06:03,254 INFO L78 Accepts]: Start accepts. Automaton has 6833 states and 10187 transitions. Word has length 74 [2024-11-10 00:06:03,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:03,254 INFO L471 AbstractCegarLoop]: Abstraction has 6833 states and 10187 transitions. [2024-11-10 00:06:03,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:03,255 INFO L276 IsEmpty]: Start isEmpty. Operand 6833 states and 10187 transitions. [2024-11-10 00:06:03,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 00:06:03,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:03,255 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:03,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 00:06:03,255 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:03,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:03,256 INFO L85 PathProgramCache]: Analyzing trace with hash 6922053, now seen corresponding path program 1 times [2024-11-10 00:06:03,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:03,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535472915] [2024-11-10 00:06:03,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:03,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:03,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:03,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:03,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535472915] [2024-11-10 00:06:03,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535472915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:03,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:03,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:06:03,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187796721] [2024-11-10 00:06:03,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:03,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:06:03,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:03,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:06:03,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:06:03,349 INFO L87 Difference]: Start difference. First operand 6833 states and 10187 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:03,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:03,498 INFO L93 Difference]: Finished difference Result 21906 states and 32706 transitions. [2024-11-10 00:06:03,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:06:03,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2024-11-10 00:06:03,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:03,535 INFO L225 Difference]: With dead ends: 21906 [2024-11-10 00:06:03,539 INFO L226 Difference]: Without dead ends: 15173 [2024-11-10 00:06:03,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:03,547 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 476 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:03,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 833 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:06:03,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15173 states. [2024-11-10 00:06:03,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15173 to 10968. [2024-11-10 00:06:03,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10968 states, 10967 states have (on average 1.482082611470776) internal successors, (16254), 10967 states have internal predecessors, (16254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:03,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10968 states to 10968 states and 16254 transitions. [2024-11-10 00:06:03,747 INFO L78 Accepts]: Start accepts. Automaton has 10968 states and 16254 transitions. Word has length 76 [2024-11-10 00:06:03,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:03,747 INFO L471 AbstractCegarLoop]: Abstraction has 10968 states and 16254 transitions. [2024-11-10 00:06:03,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:03,747 INFO L276 IsEmpty]: Start isEmpty. Operand 10968 states and 16254 transitions. [2024-11-10 00:06:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-10 00:06:03,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:03,748 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] [2024-11-10 00:06:03,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 00:06:03,748 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:03,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:03,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1515381459, now seen corresponding path program 1 times [2024-11-10 00:06:03,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:03,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31107841] [2024-11-10 00:06:03,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:03,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:03,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:03,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31107841] [2024-11-10 00:06:03,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31107841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:03,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:03,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:06:03,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207193958] [2024-11-10 00:06:03,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:03,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:06:03,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:03,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:06:03,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:06:03,850 INFO L87 Difference]: Start difference. First operand 10968 states and 16254 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:04,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:04,064 INFO L93 Difference]: Finished difference Result 34660 states and 51412 transitions. [2024-11-10 00:06:04,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:06:04,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2024-11-10 00:06:04,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:04,113 INFO L225 Difference]: With dead ends: 34660 [2024-11-10 00:06:04,114 INFO L226 Difference]: Without dead ends: 23792 [2024-11-10 00:06:04,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:04,125 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 474 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:04,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 836 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:04,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23792 states. [2024-11-10 00:06:04,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23792 to 17327. [2024-11-10 00:06:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17327 states, 17326 states have (on average 1.4727577051829621) internal successors, (25517), 17326 states have internal predecessors, (25517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17327 states to 17327 states and 25517 transitions. [2024-11-10 00:06:04,392 INFO L78 Accepts]: Start accepts. Automaton has 17327 states and 25517 transitions. Word has length 78 [2024-11-10 00:06:04,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:04,392 INFO L471 AbstractCegarLoop]: Abstraction has 17327 states and 25517 transitions. [2024-11-10 00:06:04,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 17327 states and 25517 transitions. [2024-11-10 00:06:04,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-10 00:06:04,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:04,394 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] [2024-11-10 00:06:04,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 00:06:04,394 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:04,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:04,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1161933954, now seen corresponding path program 1 times [2024-11-10 00:06:04,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:04,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329496921] [2024-11-10 00:06:04,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:04,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:04,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:04,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329496921] [2024-11-10 00:06:04,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329496921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:04,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:04,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:06:04,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634891479] [2024-11-10 00:06:04,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:04,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:06:04,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:04,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:06:04,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:04,670 INFO L87 Difference]: Start difference. First operand 17327 states and 25517 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:04,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:04,828 INFO L93 Difference]: Finished difference Result 34556 states and 50901 transitions. [2024-11-10 00:06:04,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:06:04,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2024-11-10 00:06:04,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:04,862 INFO L225 Difference]: With dead ends: 34556 [2024-11-10 00:06:04,863 INFO L226 Difference]: Without dead ends: 17329 [2024-11-10 00:06:04,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 00:06:04,883 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 397 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:04,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 676 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:04,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17329 states. [2024-11-10 00:06:05,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17329 to 17327. [2024-11-10 00:06:05,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17327 states, 17326 states have (on average 1.4641001962368694) internal successors, (25367), 17326 states have internal predecessors, (25367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:05,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17327 states to 17327 states and 25367 transitions. [2024-11-10 00:06:05,196 INFO L78 Accepts]: Start accepts. Automaton has 17327 states and 25367 transitions. Word has length 81 [2024-11-10 00:06:05,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:05,196 INFO L471 AbstractCegarLoop]: Abstraction has 17327 states and 25367 transitions. [2024-11-10 00:06:05,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:05,197 INFO L276 IsEmpty]: Start isEmpty. Operand 17327 states and 25367 transitions. [2024-11-10 00:06:05,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-10 00:06:05,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:05,198 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:05,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 00:06:05,198 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:05,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:05,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1324909272, now seen corresponding path program 1 times [2024-11-10 00:06:05,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:05,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094403454] [2024-11-10 00:06:05,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:05,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:05,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:05,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:05,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094403454] [2024-11-10 00:06:05,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094403454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:05,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:05,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:06:05,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123416333] [2024-11-10 00:06:05,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:05,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:06:05,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:05,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:06:05,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:05,416 INFO L87 Difference]: Start difference. First operand 17327 states and 25367 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:05,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:05,832 INFO L93 Difference]: Finished difference Result 49903 states and 73235 transitions. [2024-11-10 00:06:05,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:06:05,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-10 00:06:05,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:05,884 INFO L225 Difference]: With dead ends: 49903 [2024-11-10 00:06:05,884 INFO L226 Difference]: Without dead ends: 32676 [2024-11-10 00:06:05,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 00:06:05,900 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 129 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:05,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 903 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:06:05,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32676 states. [2024-11-10 00:06:06,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32676 to 32674. [2024-11-10 00:06:06,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32674 states, 32673 states have (on average 1.4564625225721544) internal successors, (47587), 32673 states have internal predecessors, (47587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:06,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32674 states to 32674 states and 47587 transitions. [2024-11-10 00:06:06,339 INFO L78 Accepts]: Start accepts. Automaton has 32674 states and 47587 transitions. Word has length 88 [2024-11-10 00:06:06,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:06,340 INFO L471 AbstractCegarLoop]: Abstraction has 32674 states and 47587 transitions. [2024-11-10 00:06:06,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:06,340 INFO L276 IsEmpty]: Start isEmpty. Operand 32674 states and 47587 transitions. [2024-11-10 00:06:06,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-10 00:06:06,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:06,340 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:06,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 00:06:06,341 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:06,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:06,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1493053352, now seen corresponding path program 1 times [2024-11-10 00:06:06,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:06,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577737109] [2024-11-10 00:06:06,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:06,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:06,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:06,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577737109] [2024-11-10 00:06:06,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577737109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:06,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:06,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:06:06,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244809701] [2024-11-10 00:06:06,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:06,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:06:06,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:06,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:06:06,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:06,642 INFO L87 Difference]: Start difference. First operand 32674 states and 47587 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:06,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:06,867 INFO L93 Difference]: Finished difference Result 35965 states and 51264 transitions. [2024-11-10 00:06:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:06:06,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-10 00:06:06,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:06,921 INFO L225 Difference]: With dead ends: 35965 [2024-11-10 00:06:06,921 INFO L226 Difference]: Without dead ends: 35963 [2024-11-10 00:06:06,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:06,938 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 0 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:06,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 959 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:06:06,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35963 states. [2024-11-10 00:06:07,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35963 to 35963. [2024-11-10 00:06:07,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35963 states, 35962 states have (on average 1.4144652688949446) internal successors, (50867), 35962 states have internal predecessors, (50867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:07,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35963 states to 35963 states and 50867 transitions. [2024-11-10 00:06:07,444 INFO L78 Accepts]: Start accepts. Automaton has 35963 states and 50867 transitions. Word has length 91 [2024-11-10 00:06:07,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:07,445 INFO L471 AbstractCegarLoop]: Abstraction has 35963 states and 50867 transitions. [2024-11-10 00:06:07,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:07,445 INFO L276 IsEmpty]: Start isEmpty. Operand 35963 states and 50867 transitions. [2024-11-10 00:06:07,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 00:06:07,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:07,447 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:07,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 00:06:07,448 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:07,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:07,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1272303805, now seen corresponding path program 1 times [2024-11-10 00:06:07,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:07,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884683891] [2024-11-10 00:06:07,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:07,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-10 00:06:07,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:07,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884683891] [2024-11-10 00:06:07,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884683891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:07,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:07,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:06:07,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300829529] [2024-11-10 00:06:07,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:07,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:06:07,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:07,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:06:07,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:07,597 INFO L87 Difference]: Start difference. First operand 35963 states and 50867 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:08,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:08,085 INFO L93 Difference]: Finished difference Result 89677 states and 126920 transitions. [2024-11-10 00:06:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:06:08,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 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 119 [2024-11-10 00:06:08,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:08,200 INFO L225 Difference]: With dead ends: 89677 [2024-11-10 00:06:08,201 INFO L226 Difference]: Without dead ends: 73179 [2024-11-10 00:06:08,232 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 [2024-11-10 00:06:08,232 INFO L432 NwaCegarLoop]: 401 mSDtfsCounter, 605 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:08,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 1141 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:06:08,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73179 states. [2024-11-10 00:06:09,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73179 to 56443. [2024-11-10 00:06:09,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56443 states, 56442 states have (on average 1.4111477268700614) internal successors, (79648), 56442 states have internal predecessors, (79648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:09,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56443 states to 56443 states and 79648 transitions. [2024-11-10 00:06:09,276 INFO L78 Accepts]: Start accepts. Automaton has 56443 states and 79648 transitions. Word has length 119 [2024-11-10 00:06:09,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:09,276 INFO L471 AbstractCegarLoop]: Abstraction has 56443 states and 79648 transitions. [2024-11-10 00:06:09,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:09,277 INFO L276 IsEmpty]: Start isEmpty. Operand 56443 states and 79648 transitions. [2024-11-10 00:06:09,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 00:06:09,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:09,279 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:09,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 00:06:09,280 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:09,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:09,280 INFO L85 PathProgramCache]: Analyzing trace with hash 612860658, now seen corresponding path program 1 times [2024-11-10 00:06:09,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:09,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009069959] [2024-11-10 00:06:09,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:09,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-10 00:06:09,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:09,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009069959] [2024-11-10 00:06:09,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009069959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:09,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:09,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:06:09,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951963043] [2024-11-10 00:06:09,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:09,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:06:09,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:09,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:06:09,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:09,431 INFO L87 Difference]: Start difference. First operand 56443 states and 79648 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:09,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:09,850 INFO L93 Difference]: Finished difference Result 96225 states and 136204 transitions. [2024-11-10 00:06:09,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:06:09,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 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 119 [2024-11-10 00:06:09,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:09,971 INFO L225 Difference]: With dead ends: 96225 [2024-11-10 00:06:09,972 INFO L226 Difference]: Without dead ends: 79739 [2024-11-10 00:06:10,012 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 [2024-11-10 00:06:10,013 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 600 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:10,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 1139 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:06:10,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79739 states. [2024-11-10 00:06:10,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79739 to 76445. [2024-11-10 00:06:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76445 states, 76444 states have (on average 1.4108628538538015) internal successors, (107852), 76444 states have internal predecessors, (107852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:11,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76445 states to 76445 states and 107852 transitions. [2024-11-10 00:06:11,207 INFO L78 Accepts]: Start accepts. Automaton has 76445 states and 107852 transitions. Word has length 119 [2024-11-10 00:06:11,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:11,208 INFO L471 AbstractCegarLoop]: Abstraction has 76445 states and 107852 transitions. [2024-11-10 00:06:11,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:11,208 INFO L276 IsEmpty]: Start isEmpty. Operand 76445 states and 107852 transitions. [2024-11-10 00:06:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 00:06:11,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:11,214 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:11,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 00:06:11,215 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:11,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:11,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1614108035, now seen corresponding path program 1 times [2024-11-10 00:06:11,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:11,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360040941] [2024-11-10 00:06:11,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:11,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 00:06:11,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:11,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360040941] [2024-11-10 00:06:11,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360040941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:11,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:11,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:06:11,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611018455] [2024-11-10 00:06:11,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:11,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:06:11,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:11,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:06:11,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:11,360 INFO L87 Difference]: Start difference. First operand 76445 states and 107852 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:12,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:12,213 INFO L93 Difference]: Finished difference Result 113749 states and 161073 transitions. [2024-11-10 00:06:12,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:06:12,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2024-11-10 00:06:12,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:12,362 INFO L225 Difference]: With dead ends: 113749 [2024-11-10 00:06:12,362 INFO L226 Difference]: Without dead ends: 92981 [2024-11-10 00:06:12,400 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 [2024-11-10 00:06:12,401 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 589 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:12,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 1168 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:06:12,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92981 states. [2024-11-10 00:06:13,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92981 to 89687. [2024-11-10 00:06:13,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89687 states, 89686 states have (on average 1.4120375532413085) internal successors, (126640), 89686 states have internal predecessors, (126640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:13,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89687 states to 89687 states and 126640 transitions. [2024-11-10 00:06:13,835 INFO L78 Accepts]: Start accepts. Automaton has 89687 states and 126640 transitions. Word has length 119 [2024-11-10 00:06:13,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:13,835 INFO L471 AbstractCegarLoop]: Abstraction has 89687 states and 126640 transitions. [2024-11-10 00:06:13,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:13,835 INFO L276 IsEmpty]: Start isEmpty. Operand 89687 states and 126640 transitions. [2024-11-10 00:06:13,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 00:06:13,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:13,838 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:13,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 00:06:13,838 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:13,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:13,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1344009162, now seen corresponding path program 1 times [2024-11-10 00:06:13,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:13,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665809541] [2024-11-10 00:06:13,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:13,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:13,958 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:13,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:13,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665809541] [2024-11-10 00:06:13,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665809541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:13,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:13,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:13,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183166531] [2024-11-10 00:06:13,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:13,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:13,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:13,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:13,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:13,961 INFO L87 Difference]: Start difference. First operand 89687 states and 126640 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:14,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:14,774 INFO L93 Difference]: Finished difference Result 178845 states and 252716 transitions. [2024-11-10 00:06:14,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:14,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-11-10 00:06:14,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:14,930 INFO L225 Difference]: With dead ends: 178845 [2024-11-10 00:06:14,930 INFO L226 Difference]: Without dead ends: 89258 [2024-11-10 00:06:14,960 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 [2024-11-10 00:06:14,961 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 101 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:14,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 522 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:15,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89258 states. [2024-11-10 00:06:16,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89258 to 84162. [2024-11-10 00:06:16,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84162 states, 84161 states have (on average 1.4238305153218236) internal successors, (119831), 84161 states have internal predecessors, (119831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:16,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84162 states to 84162 states and 119831 transitions. [2024-11-10 00:06:16,377 INFO L78 Accepts]: Start accepts. Automaton has 84162 states and 119831 transitions. Word has length 121 [2024-11-10 00:06:16,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:16,377 INFO L471 AbstractCegarLoop]: Abstraction has 84162 states and 119831 transitions. [2024-11-10 00:06:16,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand 84162 states and 119831 transitions. [2024-11-10 00:06:16,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 00:06:16,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:16,380 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:16,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 00:06:16,380 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:16,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:16,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1727757569, now seen corresponding path program 1 times [2024-11-10 00:06:16,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:16,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902912118] [2024-11-10 00:06:16,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:16,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:16,491 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:16,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:16,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902912118] [2024-11-10 00:06:16,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902912118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:16,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:16,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:16,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673985245] [2024-11-10 00:06:16,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:16,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:16,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:16,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:16,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:16,493 INFO L87 Difference]: Start difference. First operand 84162 states and 119831 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:16,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:16,839 INFO L93 Difference]: Finished difference Result 120638 states and 171788 transitions. [2024-11-10 00:06:16,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:16,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-11-10 00:06:16,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:16,896 INFO L225 Difference]: With dead ends: 120638 [2024-11-10 00:06:16,896 INFO L226 Difference]: Without dead ends: 36576 [2024-11-10 00:06:16,956 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 [2024-11-10 00:06:16,956 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 74 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:16,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 491 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:16,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36576 states. [2024-11-10 00:06:17,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36576 to 36516. [2024-11-10 00:06:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36516 states, 36515 states have (on average 1.4194166780775024) internal successors, (51830), 36515 states have internal predecessors, (51830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36516 states to 36516 states and 51830 transitions. [2024-11-10 00:06:17,800 INFO L78 Accepts]: Start accepts. Automaton has 36516 states and 51830 transitions. Word has length 121 [2024-11-10 00:06:17,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:17,800 INFO L471 AbstractCegarLoop]: Abstraction has 36516 states and 51830 transitions. [2024-11-10 00:06:17,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:17,800 INFO L276 IsEmpty]: Start isEmpty. Operand 36516 states and 51830 transitions. [2024-11-10 00:06:17,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 00:06:17,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:17,802 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:17,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 00:06:17,802 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:17,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:17,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1068314422, now seen corresponding path program 1 times [2024-11-10 00:06:17,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:17,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882966975] [2024-11-10 00:06:17,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:17,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:17,931 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:17,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:17,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882966975] [2024-11-10 00:06:17,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882966975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:17,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:17,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:17,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937020714] [2024-11-10 00:06:17,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:17,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:17,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:17,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:17,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:17,934 INFO L87 Difference]: Start difference. First operand 36516 states and 51830 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:18,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:18,063 INFO L93 Difference]: Finished difference Result 52315 states and 74264 transitions. [2024-11-10 00:06:18,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:18,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-11-10 00:06:18,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:18,085 INFO L225 Difference]: With dead ends: 52315 [2024-11-10 00:06:18,085 INFO L226 Difference]: Without dead ends: 15899 [2024-11-10 00:06:18,111 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 [2024-11-10 00:06:18,112 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 47 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:18,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 460 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:18,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15899 states. [2024-11-10 00:06:18,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15899 to 15789. [2024-11-10 00:06:18,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15789 states, 15788 states have (on average 1.414935393970104) internal successors, (22339), 15788 states have internal predecessors, (22339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15789 states to 15789 states and 22339 transitions. [2024-11-10 00:06:18,275 INFO L78 Accepts]: Start accepts. Automaton has 15789 states and 22339 transitions. Word has length 121 [2024-11-10 00:06:18,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:18,276 INFO L471 AbstractCegarLoop]: Abstraction has 15789 states and 22339 transitions. [2024-11-10 00:06:18,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 15789 states and 22339 transitions. [2024-11-10 00:06:18,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 00:06:18,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:18,277 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:18,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 00:06:18,277 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:18,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:18,278 INFO L85 PathProgramCache]: Analyzing trace with hash 524596762, now seen corresponding path program 1 times [2024-11-10 00:06:18,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:18,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971254916] [2024-11-10 00:06:18,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:18,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:18,762 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 00:06:18,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:18,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971254916] [2024-11-10 00:06:18,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971254916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:18,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:18,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:06:18,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103673181] [2024-11-10 00:06:18,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:18,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:06:18,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:18,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:06:18,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:06:18,765 INFO L87 Difference]: Start difference. First operand 15789 states and 22339 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:18,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:18,899 INFO L93 Difference]: Finished difference Result 40951 states and 57841 transitions. [2024-11-10 00:06:18,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:06:18,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 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 122 [2024-11-10 00:06:18,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:18,941 INFO L225 Difference]: With dead ends: 40951 [2024-11-10 00:06:18,941 INFO L226 Difference]: Without dead ends: 30617 [2024-11-10 00:06:18,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:18,961 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 441 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:18,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 703 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:18,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30617 states. [2024-11-10 00:06:19,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30617 to 25721. [2024-11-10 00:06:19,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25721 states, 25720 states have (on average 1.4130248833592536) internal successors, (36343), 25720 states have internal predecessors, (36343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:19,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25721 states to 25721 states and 36343 transitions. [2024-11-10 00:06:19,247 INFO L78 Accepts]: Start accepts. Automaton has 25721 states and 36343 transitions. Word has length 122 [2024-11-10 00:06:19,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:19,247 INFO L471 AbstractCegarLoop]: Abstraction has 25721 states and 36343 transitions. [2024-11-10 00:06:19,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:19,247 INFO L276 IsEmpty]: Start isEmpty. Operand 25721 states and 36343 transitions. [2024-11-10 00:06:19,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 00:06:19,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:19,248 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:19,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 00:06:19,248 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:19,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:19,249 INFO L85 PathProgramCache]: Analyzing trace with hash -664081438, now seen corresponding path program 1 times [2024-11-10 00:06:19,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:19,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162861208] [2024-11-10 00:06:19,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:19,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:19,463 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-10 00:06:19,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:19,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162861208] [2024-11-10 00:06:19,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162861208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:19,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:19,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:06:19,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500925194] [2024-11-10 00:06:19,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:19,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:06:19,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:19,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:06:19,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:06:19,465 INFO L87 Difference]: Start difference. First operand 25721 states and 36343 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:19,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:19,772 INFO L93 Difference]: Finished difference Result 64079 states and 90216 transitions. [2024-11-10 00:06:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:06:19,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 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 122 [2024-11-10 00:06:19,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:19,846 INFO L225 Difference]: With dead ends: 64079 [2024-11-10 00:06:19,846 INFO L226 Difference]: Without dead ends: 47687 [2024-11-10 00:06:19,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:19,874 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 452 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:19,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 694 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:19,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47687 states. [2024-11-10 00:06:20,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47687 to 41805. [2024-11-10 00:06:20,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41805 states, 41804 states have (on average 1.4126638599177113) internal successors, (59055), 41804 states have internal predecessors, (59055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:20,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41805 states to 41805 states and 59055 transitions. [2024-11-10 00:06:20,488 INFO L78 Accepts]: Start accepts. Automaton has 41805 states and 59055 transitions. Word has length 122 [2024-11-10 00:06:20,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:20,488 INFO L471 AbstractCegarLoop]: Abstraction has 41805 states and 59055 transitions. [2024-11-10 00:06:20,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 41805 states and 59055 transitions. [2024-11-10 00:06:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 00:06:20,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:20,490 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:20,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 00:06:20,490 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:20,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:20,491 INFO L85 PathProgramCache]: Analyzing trace with hash 684590180, now seen corresponding path program 1 times [2024-11-10 00:06:20,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:20,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145122766] [2024-11-10 00:06:20,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:20,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 00:06:20,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:20,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145122766] [2024-11-10 00:06:20,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145122766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:20,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:20,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:06:20,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221072286] [2024-11-10 00:06:20,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:20,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:06:20,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:20,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:06:20,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:06:20,630 INFO L87 Difference]: Start difference. First operand 41805 states and 59055 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:20,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:20,864 INFO L93 Difference]: Finished difference Result 67841 states and 96131 transitions. [2024-11-10 00:06:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:06:20,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-10 00:06:20,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:20,949 INFO L225 Difference]: With dead ends: 67841 [2024-11-10 00:06:20,949 INFO L226 Difference]: Without dead ends: 54668 [2024-11-10 00:06:20,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:06:20,981 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 256 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:20,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 866 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:21,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54668 states. [2024-11-10 00:06:21,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54668 to 51541. [2024-11-10 00:06:21,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51541 states, 51540 states have (on average 1.4120294916569656) internal successors, (72776), 51540 states have internal predecessors, (72776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:21,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51541 states to 51541 states and 72776 transitions. [2024-11-10 00:06:21,726 INFO L78 Accepts]: Start accepts. Automaton has 51541 states and 72776 transitions. Word has length 123 [2024-11-10 00:06:21,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:21,726 INFO L471 AbstractCegarLoop]: Abstraction has 51541 states and 72776 transitions. [2024-11-10 00:06:21,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:21,727 INFO L276 IsEmpty]: Start isEmpty. Operand 51541 states and 72776 transitions. [2024-11-10 00:06:21,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 00:06:21,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:21,731 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:21,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 00:06:21,731 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:21,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:21,731 INFO L85 PathProgramCache]: Analyzing trace with hash 825138790, now seen corresponding path program 1 times [2024-11-10 00:06:21,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:21,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436817085] [2024-11-10 00:06:21,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:21,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:21,794 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 00:06:21,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:21,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436817085] [2024-11-10 00:06:21,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436817085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:21,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:21,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:21,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642527293] [2024-11-10 00:06:21,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:21,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:21,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:21,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:21,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:21,796 INFO L87 Difference]: Start difference. First operand 51541 states and 72776 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:22,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:22,063 INFO L93 Difference]: Finished difference Result 116092 states and 164071 transitions. [2024-11-10 00:06:22,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:22,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-10 00:06:22,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:22,207 INFO L225 Difference]: With dead ends: 116092 [2024-11-10 00:06:22,207 INFO L226 Difference]: Without dead ends: 90109 [2024-11-10 00:06:22,258 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 [2024-11-10 00:06:22,259 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 112 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:22,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 466 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:22,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90109 states. [2024-11-10 00:06:23,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90109 to 89975. [2024-11-10 00:06:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89975 states, 89974 states have (on average 1.4100184497743793) internal successors, (126865), 89974 states have internal predecessors, (126865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:23,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89975 states to 89975 states and 126865 transitions. [2024-11-10 00:06:23,508 INFO L78 Accepts]: Start accepts. Automaton has 89975 states and 126865 transitions. Word has length 123 [2024-11-10 00:06:23,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:23,508 INFO L471 AbstractCegarLoop]: Abstraction has 89975 states and 126865 transitions. [2024-11-10 00:06:23,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:23,508 INFO L276 IsEmpty]: Start isEmpty. Operand 89975 states and 126865 transitions. [2024-11-10 00:06:23,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-10 00:06:23,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:23,509 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:23,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 00:06:23,509 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:23,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:23,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1059602267, now seen corresponding path program 1 times [2024-11-10 00:06:23,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:23,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181368610] [2024-11-10 00:06:23,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:23,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:23,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:23,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181368610] [2024-11-10 00:06:23,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181368610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:23,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:23,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:23,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226397910] [2024-11-10 00:06:23,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:23,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:23,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:23,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:23,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:23,573 INFO L87 Difference]: Start difference. First operand 89975 states and 126865 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:24,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:24,658 INFO L93 Difference]: Finished difference Result 264702 states and 372076 transitions. [2024-11-10 00:06:24,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:24,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2024-11-10 00:06:24,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:24,955 INFO L225 Difference]: With dead ends: 264702 [2024-11-10 00:06:24,955 INFO L226 Difference]: Without dead ends: 174812 [2024-11-10 00:06:25,068 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 [2024-11-10 00:06:25,068 INFO L432 NwaCegarLoop]: 316 mSDtfsCounter, 158 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:25,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 555 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:25,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174812 states. [2024-11-10 00:06:27,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174812 to 174810. [2024-11-10 00:06:27,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174810 states, 174809 states have (on average 1.3953972621546946) internal successors, (243928), 174809 states have internal predecessors, (243928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174810 states to 174810 states and 243928 transitions. [2024-11-10 00:06:28,033 INFO L78 Accepts]: Start accepts. Automaton has 174810 states and 243928 transitions. Word has length 124 [2024-11-10 00:06:28,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:28,033 INFO L471 AbstractCegarLoop]: Abstraction has 174810 states and 243928 transitions. [2024-11-10 00:06:28,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 174810 states and 243928 transitions. [2024-11-10 00:06:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-10 00:06:28,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:28,034 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:28,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 00:06:28,035 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:28,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:28,035 INFO L85 PathProgramCache]: Analyzing trace with hash 944263648, now seen corresponding path program 1 times [2024-11-10 00:06:28,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:28,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944306765] [2024-11-10 00:06:28,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:28,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:28,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:28,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944306765] [2024-11-10 00:06:28,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944306765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:28,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:28,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:28,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383888392] [2024-11-10 00:06:28,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:28,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:28,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:28,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:28,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:28,128 INFO L87 Difference]: Start difference. First operand 174810 states and 243928 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:30,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:30,121 INFO L93 Difference]: Finished difference Result 513977 states and 714748 transitions. [2024-11-10 00:06:30,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:30,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2024-11-10 00:06:30,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:30,808 INFO L225 Difference]: With dead ends: 513977 [2024-11-10 00:06:30,808 INFO L226 Difference]: Without dead ends: 339341 [2024-11-10 00:06:30,968 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 [2024-11-10 00:06:30,969 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 179 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:30,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 596 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:31,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339341 states. [2024-11-10 00:06:35,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339341 to 339339. [2024-11-10 00:06:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339339 states, 339338 states have (on average 1.3799073490148466) internal successors, (468255), 339338 states have internal predecessors, (468255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339339 states to 339339 states and 468255 transitions. [2024-11-10 00:06:37,143 INFO L78 Accepts]: Start accepts. Automaton has 339339 states and 468255 transitions. Word has length 124 [2024-11-10 00:06:37,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:37,144 INFO L471 AbstractCegarLoop]: Abstraction has 339339 states and 468255 transitions. [2024-11-10 00:06:37,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 339339 states and 468255 transitions. [2024-11-10 00:06:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-10 00:06:37,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:37,146 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:37,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 00:06:37,146 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:37,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:37,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1778460501, now seen corresponding path program 1 times [2024-11-10 00:06:37,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:37,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118561640] [2024-11-10 00:06:37,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:37,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 00:06:37,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:37,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118561640] [2024-11-10 00:06:37,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118561640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:37,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:37,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:37,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911445505] [2024-11-10 00:06:37,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:37,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:37,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:37,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:37,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:37,201 INFO L87 Difference]: Start difference. First operand 339339 states and 468255 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:40,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:40,370 INFO L93 Difference]: Finished difference Result 858525 states and 1181811 transitions. [2024-11-10 00:06:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:40,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 125 [2024-11-10 00:06:40,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:41,550 INFO L225 Difference]: With dead ends: 858525 [2024-11-10 00:06:41,550 INFO L226 Difference]: Without dead ends: 519485 [2024-11-10 00:06:42,629 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 [2024-11-10 00:06:42,630 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 128 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:42,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 487 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:43,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519485 states.