./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.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.3.3.ufo.UNBOUNDED.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 8eb51bb6f9c94e581d6ba21c25f6021e38364df0ee9c7b7b096e4c3b9d6ac008 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 00:05:52,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 00:05:52,507 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 00:05:52,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 00:05:52,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 00:05:52,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 00:05:52,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 00:05:52,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 00:05:52,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 00:05:52,543 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 00:05:52,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 00:05:52,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 00:05:52,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 00:05:52,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 00:05:52,544 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 00:05:52,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 00:05:52,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 00:05:52,545 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 00:05:52,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 00:05:52,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 00:05:52,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 00:05:52,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 00:05:52,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 00:05:52,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 00:05:52,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 00:05:52,548 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 00:05:52,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 00:05:52,548 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 00:05:52,549 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 00:05:52,549 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 00:05:52,549 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 00:05:52,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 00:05:52,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:05:52,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 00:05:52,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 00:05:52,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 00:05:52,564 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 00:05:52,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 00:05:52,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 00:05:52,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 00:05:52,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 00:05:52,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 00:05:52,568 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8eb51bb6f9c94e581d6ba21c25f6021e38364df0ee9c7b7b096e4c3b9d6ac008 [2024-11-10 00:05:52,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 00:05:52,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 00:05:52,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 00:05:52,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 00:05:52,813 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 00:05:52,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-11-10 00:05:54,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 00:05:54,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 00:05:54,731 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-11-10 00:05:54,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f1cb4eab/d0a9b0b80caa460da9d07f136d86b1ef/FLAG3221b5420 [2024-11-10 00:05:54,765 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f1cb4eab/d0a9b0b80caa460da9d07f136d86b1ef [2024-11-10 00:05:54,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 00:05:54,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 00:05:54,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 00:05:54,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 00:05:54,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 00:05:54,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:05:54" (1/1) ... [2024-11-10 00:05:54,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1d1e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:54, skipping insertion in model container [2024-11-10 00:05:54,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:05:54" (1/1) ... [2024-11-10 00:05:54,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 00:05:55,035 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.3.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7920,7933] [2024-11-10 00:05:55,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:05:55,075 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 00:05:55,146 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.3.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7920,7933] [2024-11-10 00:05:55,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:05:55,209 INFO L204 MainTranslator]: Completed translation [2024-11-10 00:05:55,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55 WrapperNode [2024-11-10 00:05:55,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 00:05:55,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 00:05:55,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 00:05:55,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 00:05:55,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55" (1/1) ... [2024-11-10 00:05:55,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55" (1/1) ... [2024-11-10 00:05:55,280 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 688 [2024-11-10 00:05:55,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 00:05:55,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 00:05:55,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 00:05:55,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 00:05:55,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55" (1/1) ... [2024-11-10 00:05:55,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55" (1/1) ... [2024-11-10 00:05:55,308 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55" (1/1) ... [2024-11-10 00:05:55,345 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 00:05:55,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55" (1/1) ... [2024-11-10 00:05:55,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55" (1/1) ... [2024-11-10 00:05:55,374 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55" (1/1) ... [2024-11-10 00:05:55,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55" (1/1) ... [2024-11-10 00:05:55,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55" (1/1) ... [2024-11-10 00:05:55,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55" (1/1) ... [2024-11-10 00:05:55,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 00:05:55,387 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 00:05:55,387 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 00:05:55,387 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 00:05:55,388 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55" (1/1) ... [2024-11-10 00:05:55,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:05:55,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:05:55,423 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 00:05:55,426 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 00:05:55,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 00:05:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 00:05:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 00:05:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 00:05:55,598 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 00:05:55,600 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 00:05:56,241 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L799: havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:05:56,249 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L799: havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:05:56,249 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L799: havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:05:56,249 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L799: havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:05:56,249 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,250 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,250 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,250 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,250 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,250 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,250 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,250 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,250 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,250 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,251 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,251 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,251 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,251 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,251 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,251 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,251 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,251 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,251 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,252 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,252 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,252 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,252 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,252 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,252 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,252 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,252 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,252 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,253 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,253 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,258 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,258 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,259 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,259 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,259 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,259 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,259 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,259 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,259 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,259 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,259 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,260 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,260 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,260 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,260 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,260 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,260 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,260 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,260 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: 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 00:05:56,260 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L409: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:05:56,260 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L409: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:05:56,261 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L409: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:05:56,261 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L409: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:05:56,261 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L409: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:05:56,261 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L409: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:05:56,261 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L409: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:05:56,261 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L409: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:05:56,261 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L409: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:05:56,261 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L409: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:05:56,261 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L409: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:05:56,261 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L409: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:05:56,262 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L559: havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:05:56,262 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L559: havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:05:56,262 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L559: havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:05:56,262 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L559: havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:05:56,262 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L328: havoc main_~node3__newmax~0#1;havoc main_~node2__newmax~0#1; [2024-11-10 00:05:56,262 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L328: havoc main_~node3__newmax~0#1;havoc main_~node2__newmax~0#1; [2024-11-10 00:05:56,262 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L328: havoc main_~node3__newmax~0#1;havoc main_~node2__newmax~0#1; [2024-11-10 00:05:56,262 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L328: havoc main_~node3__newmax~0#1;havoc main_~node2__newmax~0#1; [2024-11-10 00:05:56,262 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L328: havoc main_~node3__newmax~0#1;havoc main_~node2__newmax~0#1; [2024-11-10 00:05:56,262 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L328: havoc main_~node3__newmax~0#1;havoc main_~node2__newmax~0#1; [2024-11-10 00:05:56,262 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L328: havoc main_~node3__newmax~0#1;havoc main_~node2__newmax~0#1; [2024-11-10 00:05:56,263 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L679: havoc main_~node2____CPAchecker_TMP_1~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:05:56,263 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L679: havoc main_~node2____CPAchecker_TMP_1~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:05:56,263 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L679: havoc main_~node2____CPAchecker_TMP_1~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:05:56,263 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L679: havoc main_~node2____CPAchecker_TMP_1~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:05:56,375 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-10 00:05:56,376 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 00:05:56,401 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 00:05:56,401 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 00:05:56,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:05:56 BoogieIcfgContainer [2024-11-10 00:05:56,402 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 00:05:56,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 00:05:56,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 00:05:56,408 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 00:05:56,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:05:54" (1/3) ... [2024-11-10 00:05:56,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c91dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:05:56, skipping insertion in model container [2024-11-10 00:05:56,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:55" (2/3) ... [2024-11-10 00:05:56,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c91dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:05:56, skipping insertion in model container [2024-11-10 00:05:56,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:05:56" (3/3) ... [2024-11-10 00:05:56,412 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-11-10 00:05:56,427 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 00:05:56,428 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 00:05:56,489 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 00:05:56,494 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;@20c7759a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 00:05:56,498 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 00:05:56,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 176 states have (on average 1.6477272727272727) internal successors, (290), 177 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:56,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 00:05:56,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:56,511 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:56,511 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:56,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:56,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1902581085, now seen corresponding path program 1 times [2024-11-10 00:05:56,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:56,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541236637] [2024-11-10 00:05:56,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:56,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:56,988 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 00:05:56,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:56,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541236637] [2024-11-10 00:05:56,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541236637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:56,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:56,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:05:56,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409616860] [2024-11-10 00:05:56,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:57,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:05:57,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:57,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:05:57,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:05:57,040 INFO L87 Difference]: Start difference. First operand has 178 states, 176 states have (on average 1.6477272727272727) internal successors, (290), 177 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:57,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:57,154 INFO L93 Difference]: Finished difference Result 395 states and 625 transitions. [2024-11-10 00:05:57,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:05:57,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-11-10 00:05:57,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:57,169 INFO L225 Difference]: With dead ends: 395 [2024-11-10 00:05:57,170 INFO L226 Difference]: Without dead ends: 274 [2024-11-10 00:05:57,173 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 00:05:57,176 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 172 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:57,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 505 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:05:57,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-10 00:05:57,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 271. [2024-11-10 00:05:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 270 states have (on average 1.488888888888889) internal successors, (402), 270 states have internal predecessors, (402), 0 states have call successors, (0), 0 states 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 00:05:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 402 transitions. [2024-11-10 00:05:57,227 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 402 transitions. Word has length 62 [2024-11-10 00:05:57,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:57,227 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 402 transitions. [2024-11-10 00:05:57,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:57,228 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 402 transitions. [2024-11-10 00:05:57,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 00:05:57,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:57,230 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] [2024-11-10 00:05:57,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 00:05:57,231 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:57,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:57,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1533051328, now seen corresponding path program 1 times [2024-11-10 00:05:57,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:57,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585845195] [2024-11-10 00:05:57,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:57,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:57,515 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 00:05:57,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:57,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585845195] [2024-11-10 00:05:57,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585845195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:57,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:57,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:05:57,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414908179] [2024-11-10 00:05:57,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:57,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:05:57,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:57,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:05:57,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:05:57,523 INFO L87 Difference]: Start difference. First operand 271 states and 402 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:57,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:57,571 INFO L93 Difference]: Finished difference Result 669 states and 1014 transitions. [2024-11-10 00:05:57,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:05:57,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-10 00:05:57,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:57,578 INFO L225 Difference]: With dead ends: 669 [2024-11-10 00:05:57,578 INFO L226 Difference]: Without dead ends: 461 [2024-11-10 00:05:57,580 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 00:05:57,581 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 147 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:57,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 474 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:05:57,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-10 00:05:57,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 457. [2024-11-10 00:05:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 456 states have (on average 1.5043859649122806) internal successors, (686), 456 states have internal predecessors, (686), 0 states have call successors, (0), 0 states 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 00:05:57,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 686 transitions. [2024-11-10 00:05:57,612 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 686 transitions. Word has length 65 [2024-11-10 00:05:57,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:57,613 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 686 transitions. [2024-11-10 00:05:57,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:57,613 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 686 transitions. [2024-11-10 00:05:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 00:05:57,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:57,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:57,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 00:05:57,619 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:57,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:57,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1275355177, now seen corresponding path program 1 times [2024-11-10 00:05:57,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:57,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612951130] [2024-11-10 00:05:57,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:57,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:57,815 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 00:05:57,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:57,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612951130] [2024-11-10 00:05:57,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612951130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:57,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:57,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:05:57,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468189308] [2024-11-10 00:05:57,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:57,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:05:57,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:57,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:05:57,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:05:57,823 INFO L87 Difference]: Start difference. First operand 457 states and 686 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:57,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:57,871 INFO L93 Difference]: Finished difference Result 1209 states and 1836 transitions. [2024-11-10 00:05:57,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:05:57,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-10 00:05:57,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:57,879 INFO L225 Difference]: With dead ends: 1209 [2024-11-10 00:05:57,879 INFO L226 Difference]: Without dead ends: 815 [2024-11-10 00:05:57,884 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 00:05:57,885 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 140 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:57,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 475 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:05:57,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-10 00:05:57,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 809. [2024-11-10 00:05:57,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 808 states have (on average 1.5074257425742574) internal successors, (1218), 808 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states 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 00:05:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1218 transitions. [2024-11-10 00:05:57,926 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1218 transitions. Word has length 68 [2024-11-10 00:05:57,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:57,926 INFO L471 AbstractCegarLoop]: Abstraction has 809 states and 1218 transitions. [2024-11-10 00:05:57,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1218 transitions. [2024-11-10 00:05:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 00:05:57,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:57,932 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:57,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 00:05:57,933 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:57,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:57,933 INFO L85 PathProgramCache]: Analyzing trace with hash -239921023, now seen corresponding path program 1 times [2024-11-10 00:05:57,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:57,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527556762] [2024-11-10 00:05:57,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:57,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:58,171 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 00:05:58,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:58,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527556762] [2024-11-10 00:05:58,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527556762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:58,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:58,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:05:58,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229608405] [2024-11-10 00:05:58,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:58,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:05:58,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:58,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:05:58,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:05:58,174 INFO L87 Difference]: Start difference. First operand 809 states and 1218 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:58,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:58,357 INFO L93 Difference]: Finished difference Result 3493 states and 5368 transitions. [2024-11-10 00:05:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 00:05:58,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-10 00:05:58,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:58,366 INFO L225 Difference]: With dead ends: 3493 [2024-11-10 00:05:58,367 INFO L226 Difference]: Without dead ends: 2747 [2024-11-10 00:05:58,369 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 00:05:58,370 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 1007 mSDsluCounter, 1631 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 1888 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:58,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 1888 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:05:58,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2024-11-10 00:05:58,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 1446. [2024-11-10 00:05:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1446 states, 1445 states have (on average 1.5211072664359861) internal successors, (2198), 1445 states have internal predecessors, (2198), 0 states have call successors, (0), 0 states 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 00:05:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 2198 transitions. [2024-11-10 00:05:58,416 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 2198 transitions. Word has length 71 [2024-11-10 00:05:58,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:58,417 INFO L471 AbstractCegarLoop]: Abstraction has 1446 states and 2198 transitions. [2024-11-10 00:05:58,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:58,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 2198 transitions. [2024-11-10 00:05:58,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-10 00:05:58,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:58,419 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:58,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 00:05:58,422 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:58,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:58,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1440876723, now seen corresponding path program 1 times [2024-11-10 00:05:58,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:58,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681196210] [2024-11-10 00:05:58,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:58,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:58,587 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 00:05:58,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:58,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681196210] [2024-11-10 00:05:58,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681196210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:58,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:58,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:05:58,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122565966] [2024-11-10 00:05:58,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:58,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:05:58,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:58,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:05:58,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:05:58,590 INFO L87 Difference]: Start difference. First operand 1446 states and 2198 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:58,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:58,669 INFO L93 Difference]: Finished difference Result 4239 states and 6507 transitions. [2024-11-10 00:05:58,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:05:58,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-10 00:05:58,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:58,679 INFO L225 Difference]: With dead ends: 4239 [2024-11-10 00:05:58,680 INFO L226 Difference]: Without dead ends: 2856 [2024-11-10 00:05:58,682 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 00:05:58,684 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 501 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:58,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 766 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:05:58,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2856 states. [2024-11-10 00:05:58,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2856 to 2142. [2024-11-10 00:05:58,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2142 states, 2141 states have (on average 1.5249883232134516) internal successors, (3265), 2141 states have internal predecessors, (3265), 0 states have call successors, (0), 0 states 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 00:05:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 2142 states and 3265 transitions. [2024-11-10 00:05:58,759 INFO L78 Accepts]: Start accepts. Automaton has 2142 states and 3265 transitions. Word has length 73 [2024-11-10 00:05:58,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:58,760 INFO L471 AbstractCegarLoop]: Abstraction has 2142 states and 3265 transitions. [2024-11-10 00:05:58,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 3265 transitions. [2024-11-10 00:05:58,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 00:05:58,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:58,762 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:58,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 00:05:58,763 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:58,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:58,764 INFO L85 PathProgramCache]: Analyzing trace with hash 526070991, now seen corresponding path program 1 times [2024-11-10 00:05:58,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:58,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594584987] [2024-11-10 00:05:58,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:58,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:58,836 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 00:05:58,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:58,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594584987] [2024-11-10 00:05:58,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594584987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:58,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:58,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:05:58,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166304328] [2024-11-10 00:05:58,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:58,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:05:58,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:58,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:05:58,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:05:58,841 INFO L87 Difference]: Start difference. First operand 2142 states and 3265 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:58,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:58,872 INFO L93 Difference]: Finished difference Result 4742 states and 7267 transitions. [2024-11-10 00:05:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:05:58,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-10 00:05:58,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:58,881 INFO L225 Difference]: With dead ends: 4742 [2024-11-10 00:05:58,881 INFO L226 Difference]: Without dead ends: 3251 [2024-11-10 00:05:58,885 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 00:05:58,887 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 153 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 593 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 00:05:58,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 593 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:05:58,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3251 states. [2024-11-10 00:05:58,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3251 to 3249. [2024-11-10 00:05:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3249 states, 3248 states have (on average 1.521551724137931) internal successors, (4942), 3248 states have internal predecessors, (4942), 0 states have call successors, (0), 0 states 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 00:05:58,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 3249 states and 4942 transitions. [2024-11-10 00:05:58,932 INFO L78 Accepts]: Start accepts. Automaton has 3249 states and 4942 transitions. Word has length 75 [2024-11-10 00:05:58,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:58,933 INFO L471 AbstractCegarLoop]: Abstraction has 3249 states and 4942 transitions. [2024-11-10 00:05:58,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:58,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3249 states and 4942 transitions. [2024-11-10 00:05:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 00:05:58,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:58,934 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:58,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 00:05:58,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:58,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:58,936 INFO L85 PathProgramCache]: Analyzing trace with hash -234594255, now seen corresponding path program 1 times [2024-11-10 00:05:58,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:58,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357905727] [2024-11-10 00:05:58,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:58,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:58,992 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 00:05:58,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:58,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357905727] [2024-11-10 00:05:58,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357905727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:58,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:58,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:05:58,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822291536] [2024-11-10 00:05:58,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:58,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:05:58,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:58,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:05:58,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:05:58,995 INFO L87 Difference]: Start difference. First operand 3249 states and 4942 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:59,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:59,030 INFO L93 Difference]: Finished difference Result 6351 states and 9675 transitions. [2024-11-10 00:05:59,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:05:59,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-10 00:05:59,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:59,042 INFO L225 Difference]: With dead ends: 6351 [2024-11-10 00:05:59,042 INFO L226 Difference]: Without dead ends: 4548 [2024-11-10 00:05:59,045 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 00:05:59,045 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 146 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 578 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 00:05:59,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 578 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:05:59,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4548 states. [2024-11-10 00:05:59,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4548 to 4546. [2024-11-10 00:05:59,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4546 states, 4545 states have (on average 1.5135313531353136) internal successors, (6879), 4545 states have internal predecessors, (6879), 0 states have call successors, (0), 0 states 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 00:05:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4546 states to 4546 states and 6879 transitions. [2024-11-10 00:05:59,111 INFO L78 Accepts]: Start accepts. Automaton has 4546 states and 6879 transitions. Word has length 75 [2024-11-10 00:05:59,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:59,112 INFO L471 AbstractCegarLoop]: Abstraction has 4546 states and 6879 transitions. [2024-11-10 00:05:59,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:59,112 INFO L276 IsEmpty]: Start isEmpty. Operand 4546 states and 6879 transitions. [2024-11-10 00:05:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 00:05:59,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:59,113 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:59,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 00:05:59,113 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:59,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:59,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1792920307, now seen corresponding path program 1 times [2024-11-10 00:05:59,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:59,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902091633] [2024-11-10 00:05:59,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:59,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:59,226 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 00:05:59,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:59,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902091633] [2024-11-10 00:05:59,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902091633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:59,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:59,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:05:59,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250250924] [2024-11-10 00:05:59,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:59,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:05:59,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:59,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:05:59,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:05:59,229 INFO L87 Difference]: Start difference. First operand 4546 states and 6879 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:59,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:59,272 INFO L93 Difference]: Finished difference Result 8768 states and 13284 transitions. [2024-11-10 00:05:59,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:05:59,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-10 00:05:59,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:59,290 INFO L225 Difference]: With dead ends: 8768 [2024-11-10 00:05:59,290 INFO L226 Difference]: Without dead ends: 6275 [2024-11-10 00:05:59,295 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 00:05:59,297 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 139 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 554 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 00:05:59,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 554 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:05:59,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6275 states. [2024-11-10 00:05:59,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6275 to 6273. [2024-11-10 00:05:59,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6273 states, 6272 states have (on average 1.503826530612245) internal successors, (9432), 6272 states have internal predecessors, (9432), 0 states have call successors, (0), 0 states 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 00:05:59,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6273 states to 6273 states and 9432 transitions. [2024-11-10 00:05:59,397 INFO L78 Accepts]: Start accepts. Automaton has 6273 states and 9432 transitions. Word has length 75 [2024-11-10 00:05:59,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:59,398 INFO L471 AbstractCegarLoop]: Abstraction has 6273 states and 9432 transitions. [2024-11-10 00:05:59,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:59,398 INFO L276 IsEmpty]: Start isEmpty. Operand 6273 states and 9432 transitions. [2024-11-10 00:05:59,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 00:05:59,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:59,399 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:59,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 00:05:59,399 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:59,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:59,400 INFO L85 PathProgramCache]: Analyzing trace with hash -356891386, now seen corresponding path program 1 times [2024-11-10 00:05:59,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:59,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517542432] [2024-11-10 00:05:59,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:59,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:59,491 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 00:05:59,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:59,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517542432] [2024-11-10 00:05:59,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517542432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:59,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:59,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:05:59,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239579856] [2024-11-10 00:05:59,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:59,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:05:59,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:59,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:05:59,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:05:59,493 INFO L87 Difference]: Start difference. First operand 6273 states and 9432 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:59,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:59,603 INFO L93 Difference]: Finished difference Result 20015 states and 30163 transitions. [2024-11-10 00:05:59,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:05:59,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-10 00:05:59,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:59,638 INFO L225 Difference]: With dead ends: 20015 [2024-11-10 00:05:59,639 INFO L226 Difference]: Without dead ends: 13841 [2024-11-10 00:05:59,654 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 00:05:59,655 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 501 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:59,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 797 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:05:59,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13841 states. [2024-11-10 00:05:59,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13841 to 10028. [2024-11-10 00:05:59,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10028 states, 10027 states have (on average 1.4971576742794455) internal successors, (15012), 10027 states have internal predecessors, (15012), 0 states have call successors, (0), 0 states 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 00:05:59,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10028 states to 10028 states and 15012 transitions. [2024-11-10 00:05:59,889 INFO L78 Accepts]: Start accepts. Automaton has 10028 states and 15012 transitions. Word has length 75 [2024-11-10 00:05:59,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:59,890 INFO L471 AbstractCegarLoop]: Abstraction has 10028 states and 15012 transitions. [2024-11-10 00:05:59,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:59,890 INFO L276 IsEmpty]: Start isEmpty. Operand 10028 states and 15012 transitions. [2024-11-10 00:05:59,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 00:05:59,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:59,891 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:59,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 00:05:59,891 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:59,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:59,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1047219950, now seen corresponding path program 1 times [2024-11-10 00:05:59,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:59,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566484813] [2024-11-10 00:05:59,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:59,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:59,964 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 00:05:59,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:59,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566484813] [2024-11-10 00:05:59,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566484813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:59,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:59,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:05:59,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466153664] [2024-11-10 00:05:59,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:59,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:05:59,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:59,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:05:59,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:05:59,967 INFO L87 Difference]: Start difference. First operand 10028 states and 15012 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:00,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:00,208 INFO L93 Difference]: Finished difference Result 31417 states and 47111 transitions. [2024-11-10 00:06:00,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:06:00,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-10 00:06:00,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:00,264 INFO L225 Difference]: With dead ends: 31417 [2024-11-10 00:06:00,264 INFO L226 Difference]: Without dead ends: 21488 [2024-11-10 00:06:00,281 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 00:06:00,282 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 499 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 867 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 00:06:00,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 867 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:06:00,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21488 states. [2024-11-10 00:06:00,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21488 to 15715. [2024-11-10 00:06:00,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15715 states, 15714 states have (on average 1.49013618429426) internal successors, (23416), 15714 states have internal predecessors, (23416), 0 states have call successors, (0), 0 states 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 00:06:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15715 states to 15715 states and 23416 transitions. [2024-11-10 00:06:00,663 INFO L78 Accepts]: Start accepts. Automaton has 15715 states and 23416 transitions. Word has length 77 [2024-11-10 00:06:00,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:00,663 INFO L471 AbstractCegarLoop]: Abstraction has 15715 states and 23416 transitions. [2024-11-10 00:06:00,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 15715 states and 23416 transitions. [2024-11-10 00:06:00,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-10 00:06:00,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:00,666 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] [2024-11-10 00:06:00,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 00:06:00,666 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:00,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:00,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1747106401, now seen corresponding path program 1 times [2024-11-10 00:06:00,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:00,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433312066] [2024-11-10 00:06:00,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:00,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:00,856 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 00:06:00,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:00,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433312066] [2024-11-10 00:06:00,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433312066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:00,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:00,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:06:00,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748197272] [2024-11-10 00:06:00,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:00,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:06:00,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:00,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:06:00,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:00,859 INFO L87 Difference]: Start difference. First operand 15715 states and 23416 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 00:06:01,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:01,059 INFO L93 Difference]: Finished difference Result 31333 states and 46700 transitions. [2024-11-10 00:06:01,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:06:01,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2024-11-10 00:06:01,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:01,216 INFO L225 Difference]: With dead ends: 31333 [2024-11-10 00:06:01,220 INFO L226 Difference]: Without dead ends: 15717 [2024-11-10 00:06:01,250 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 00:06:01,251 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 424 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:01,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 701 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:06:01,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15717 states. [2024-11-10 00:06:01,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15717 to 15715. [2024-11-10 00:06:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15715 states, 15714 states have (on average 1.4821814942089857) internal successors, (23291), 15714 states have internal predecessors, (23291), 0 states have call successors, (0), 0 states 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 00:06:01,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15715 states to 15715 states and 23291 transitions. [2024-11-10 00:06:01,495 INFO L78 Accepts]: Start accepts. Automaton has 15715 states and 23291 transitions. Word has length 80 [2024-11-10 00:06:01,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:01,495 INFO L471 AbstractCegarLoop]: Abstraction has 15715 states and 23291 transitions. [2024-11-10 00:06:01,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 00:06:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 15715 states and 23291 transitions. [2024-11-10 00:06:01,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 00:06:01,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:01,496 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:01,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 00:06:01,497 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:01,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:01,497 INFO L85 PathProgramCache]: Analyzing trace with hash 551383193, now seen corresponding path program 1 times [2024-11-10 00:06:01,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:01,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770442201] [2024-11-10 00:06:01,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:01,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:01,997 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 00:06:01,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:01,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770442201] [2024-11-10 00:06:01,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770442201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:01,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:01,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:06:01,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986673585] [2024-11-10 00:06:01,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:01,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:06:01,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:01,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:06:01,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:01,999 INFO L87 Difference]: Start difference. First operand 15715 states and 23291 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:02,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:02,333 INFO L93 Difference]: Finished difference Result 44973 states and 66814 transitions. [2024-11-10 00:06:02,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:06:02,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-10 00:06:02,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:02,549 INFO L225 Difference]: With dead ends: 44973 [2024-11-10 00:06:02,549 INFO L226 Difference]: Without dead ends: 29357 [2024-11-10 00:06:02,567 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 00:06:02,569 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 138 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 937 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 00:06:02,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 937 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:06:02,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29357 states. [2024-11-10 00:06:02,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29357 to 29355. [2024-11-10 00:06:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29355 states, 29354 states have (on average 1.4739388158342985) internal successors, (43266), 29354 states have internal predecessors, (43266), 0 states have call successors, (0), 0 states 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 00:06:03,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29355 states to 29355 states and 43266 transitions. [2024-11-10 00:06:03,026 INFO L78 Accepts]: Start accepts. Automaton has 29355 states and 43266 transitions. Word has length 87 [2024-11-10 00:06:03,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:03,027 INFO L471 AbstractCegarLoop]: Abstraction has 29355 states and 43266 transitions. [2024-11-10 00:06:03,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:03,027 INFO L276 IsEmpty]: Start isEmpty. Operand 29355 states and 43266 transitions. [2024-11-10 00:06:03,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-10 00:06:03,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:03,029 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:03,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 00:06:03,030 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:03,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:03,030 INFO L85 PathProgramCache]: Analyzing trace with hash -122884663, now seen corresponding path program 1 times [2024-11-10 00:06:03,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:03,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936540230] [2024-11-10 00:06:03,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:03,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:03,519 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 00:06:03,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:03,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936540230] [2024-11-10 00:06:03,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936540230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:03,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:03,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:06:03,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677077779] [2024-11-10 00:06:03,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:03,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:06:03,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:03,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:06:03,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:03,521 INFO L87 Difference]: Start difference. First operand 29355 states and 43266 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:03,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:03,624 INFO L93 Difference]: Finished difference Result 32545 states and 46817 transitions. [2024-11-10 00:06:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:06:03,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-10 00:06:03,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:03,792 INFO L225 Difference]: With dead ends: 32545 [2024-11-10 00:06:03,792 INFO L226 Difference]: Without dead ends: 32543 [2024-11-10 00:06:03,798 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 00:06:03,799 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 0 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:03,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 992 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:03,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32543 states. [2024-11-10 00:06:04,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32543 to 32543. [2024-11-10 00:06:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32543 states, 32542 states have (on average 1.4272324995390573) internal successors, (46445), 32542 states have internal predecessors, (46445), 0 states have call successors, (0), 0 states 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 00:06:04,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32543 states to 32543 states and 46445 transitions. [2024-11-10 00:06:04,276 INFO L78 Accepts]: Start accepts. Automaton has 32543 states and 46445 transitions. Word has length 90 [2024-11-10 00:06:04,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:04,276 INFO L471 AbstractCegarLoop]: Abstraction has 32543 states and 46445 transitions. [2024-11-10 00:06:04,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:06:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 32543 states and 46445 transitions. [2024-11-10 00:06:04,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 00:06:04,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:04,282 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1] [2024-11-10 00:06:04,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 00:06:04,283 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:04,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:04,284 INFO L85 PathProgramCache]: Analyzing trace with hash -947097808, now seen corresponding path program 1 times [2024-11-10 00:06:04,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:04,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6553930] [2024-11-10 00:06:04,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:04,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 00:06:04,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:04,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6553930] [2024-11-10 00:06:04,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6553930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:04,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:04,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:04,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801272924] [2024-11-10 00:06:04,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:04,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:04,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:04,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:04,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:04,384 INFO L87 Difference]: Start difference. First operand 32543 states and 46445 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 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 00:06:04,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:04,845 INFO L93 Difference]: Finished difference Result 76016 states and 108594 transitions. [2024-11-10 00:06:04,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:04,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 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 119 [2024-11-10 00:06:04,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:04,947 INFO L225 Difference]: With dead ends: 76016 [2024-11-10 00:06:04,948 INFO L226 Difference]: Without dead ends: 60054 [2024-11-10 00:06:05,167 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 00:06:05,167 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 119 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 468 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 00:06:05,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 468 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:05,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60054 states. [2024-11-10 00:06:06,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60054 to 60002. [2024-11-10 00:06:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60002 states, 60001 states have (on average 1.426009566507225) internal successors, (85562), 60001 states have internal predecessors, (85562), 0 states have call successors, (0), 0 states 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 00:06:06,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60002 states to 60002 states and 85562 transitions. [2024-11-10 00:06:06,290 INFO L78 Accepts]: Start accepts. Automaton has 60002 states and 85562 transitions. Word has length 119 [2024-11-10 00:06:06,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:06,290 INFO L471 AbstractCegarLoop]: Abstraction has 60002 states and 85562 transitions. [2024-11-10 00:06:06,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 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 00:06:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 60002 states and 85562 transitions. [2024-11-10 00:06:06,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 00:06:06,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:06,294 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1] [2024-11-10 00:06:06,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 00:06:06,295 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:06,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:06,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1707763054, now seen corresponding path program 1 times [2024-11-10 00:06:06,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:06,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642011692] [2024-11-10 00:06:06,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:06,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:06,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 00:06:06,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:06,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642011692] [2024-11-10 00:06:06,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642011692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:06,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:06,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:06:06,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516762795] [2024-11-10 00:06:06,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:06,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:06:06,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:06,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:06:06,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:06,495 INFO L87 Difference]: Start difference. First operand 60002 states and 85562 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 00:06:07,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:07,509 INFO L93 Difference]: Finished difference Result 147805 states and 211065 transitions. [2024-11-10 00:06:07,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:06:07,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 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 00:06:07,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:07,845 INFO L225 Difference]: With dead ends: 147805 [2024-11-10 00:06:07,846 INFO L226 Difference]: Without dead ends: 119825 [2024-11-10 00:06:07,930 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 00:06:07,930 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 628 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:07,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 1150 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:06:08,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119825 states. [2024-11-10 00:06:09,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119825 to 93039. [2024-11-10 00:06:09,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93039 states, 93038 states have (on average 1.4238590683376684) internal successors, (132473), 93038 states have internal predecessors, (132473), 0 states have call successors, (0), 0 states 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 00:06:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93039 states to 93039 states and 132473 transitions. [2024-11-10 00:06:10,186 INFO L78 Accepts]: Start accepts. Automaton has 93039 states and 132473 transitions. Word has length 119 [2024-11-10 00:06:10,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:10,187 INFO L471 AbstractCegarLoop]: Abstraction has 93039 states and 132473 transitions. [2024-11-10 00:06:10,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 00:06:10,187 INFO L276 IsEmpty]: Start isEmpty. Operand 93039 states and 132473 transitions. [2024-11-10 00:06:10,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 00:06:10,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:10,191 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1] [2024-11-10 00:06:10,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 00:06:10,191 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:10,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:10,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1028878190, now seen corresponding path program 1 times [2024-11-10 00:06:10,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:10,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900268570] [2024-11-10 00:06:10,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:10,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 00:06:10,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:10,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900268570] [2024-11-10 00:06:10,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900268570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:10,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:10,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:06:10,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9568037] [2024-11-10 00:06:10,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:10,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:06:10,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:10,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:06:10,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:06:10,638 INFO L87 Difference]: Start difference. First operand 93039 states and 132473 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 00:06:11,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:11,211 INFO L93 Difference]: Finished difference Result 158947 states and 227007 transitions. [2024-11-10 00:06:11,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:06:11,212 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 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 00:06:11,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:11,458 INFO L225 Difference]: With dead ends: 158947 [2024-11-10 00:06:11,458 INFO L226 Difference]: Without dead ends: 130961 [2024-11-10 00:06:11,530 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 00:06:11,531 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 636 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:06:11,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 1219 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:06:11,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130961 states. [2024-11-10 00:06:13,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130961 to 125907. [2024-11-10 00:06:14,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125907 states, 125906 states have (on average 1.4241179927882706) internal successors, (179305), 125906 states have internal predecessors, (179305), 0 states have call successors, (0), 0 states 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 00:06:14,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125907 states to 125907 states and 179305 transitions. [2024-11-10 00:06:14,280 INFO L78 Accepts]: Start accepts. Automaton has 125907 states and 179305 transitions. Word has length 119 [2024-11-10 00:06:14,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:14,280 INFO L471 AbstractCegarLoop]: Abstraction has 125907 states and 179305 transitions. [2024-11-10 00:06:14,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 00:06:14,281 INFO L276 IsEmpty]: Start isEmpty. Operand 125907 states and 179305 transitions. [2024-11-10 00:06:14,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 00:06:14,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:14,283 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2024-11-10 00:06:14,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 00:06:14,283 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:14,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:14,284 INFO L85 PathProgramCache]: Analyzing trace with hash 846958054, now seen corresponding path program 1 times [2024-11-10 00:06:14,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:14,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775744601] [2024-11-10 00:06:14,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:14,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:14,349 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:14,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:14,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775744601] [2024-11-10 00:06:14,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775744601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:14,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:14,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:14,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112565885] [2024-11-10 00:06:14,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:14,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:14,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:14,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:14,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:14,352 INFO L87 Difference]: Start difference. First operand 125907 states and 179305 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 00:06:16,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:16,214 INFO L93 Difference]: Finished difference Result 372293 states and 528960 transitions. [2024-11-10 00:06:16,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:16,215 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 120 [2024-11-10 00:06:16,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:16,932 INFO L225 Difference]: With dead ends: 372293 [2024-11-10 00:06:16,933 INFO L226 Difference]: Without dead ends: 246470 [2024-11-10 00:06:17,098 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 00:06:17,105 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 165 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 570 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 00:06:17,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 570 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:17,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246470 states. [2024-11-10 00:06:21,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246470 to 246468. [2024-11-10 00:06:21,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246468 states, 246467 states have (on average 1.412416266680732) internal successors, (348114), 246467 states have internal predecessors, (348114), 0 states have call successors, (0), 0 states 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 00:06:22,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246468 states to 246468 states and 348114 transitions. [2024-11-10 00:06:22,111 INFO L78 Accepts]: Start accepts. Automaton has 246468 states and 348114 transitions. Word has length 120 [2024-11-10 00:06:22,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:22,112 INFO L471 AbstractCegarLoop]: Abstraction has 246468 states and 348114 transitions. [2024-11-10 00:06:22,112 INFO L472 AbstractCegarLoop]: INTERPOLANT 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) [2024-11-10 00:06:22,112 INFO L276 IsEmpty]: Start isEmpty. Operand 246468 states and 348114 transitions. [2024-11-10 00:06:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 00:06:22,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:22,123 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2024-11-10 00:06:22,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 00:06:22,124 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:22,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:22,125 INFO L85 PathProgramCache]: Analyzing trace with hash 715893483, now seen corresponding path program 1 times [2024-11-10 00:06:22,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:22,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705580805] [2024-11-10 00:06:22,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:22,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:23,379 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:06:23,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:23,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705580805] [2024-11-10 00:06:23,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705580805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:23,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:23,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:23,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753834841] [2024-11-10 00:06:23,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:23,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:23,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:23,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:23,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:23,382 INFO L87 Difference]: Start difference. First operand 246468 states and 348114 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 00:06:27,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:27,279 INFO L93 Difference]: Finished difference Result 728593 states and 1026509 transitions. [2024-11-10 00:06:27,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:27,280 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 120 [2024-11-10 00:06:27,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:28,830 INFO L225 Difference]: With dead ends: 728593 [2024-11-10 00:06:28,831 INFO L226 Difference]: Without dead ends: 482293 [2024-11-10 00:06:29,163 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 00:06:29,164 INFO L432 NwaCegarLoop]: 364 mSDtfsCounter, 186 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 611 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 00:06:29,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 611 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:29,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482293 states. [2024-11-10 00:06:36,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482293 to 482291. [2024-11-10 00:06:36,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482291 states, 482290 states have (on average 1.4002177113355034) internal successors, (675311), 482290 states have internal predecessors, (675311), 0 states have call successors, (0), 0 states 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 00:06:39,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482291 states to 482291 states and 675311 transitions. [2024-11-10 00:06:39,627 INFO L78 Accepts]: Start accepts. Automaton has 482291 states and 675311 transitions. Word has length 120 [2024-11-10 00:06:39,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:06:39,627 INFO L471 AbstractCegarLoop]: Abstraction has 482291 states and 675311 transitions. [2024-11-10 00:06:39,627 INFO L472 AbstractCegarLoop]: INTERPOLANT 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) [2024-11-10 00:06:39,627 INFO L276 IsEmpty]: Start isEmpty. Operand 482291 states and 675311 transitions. [2024-11-10 00:06:39,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 00:06:39,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:06:39,635 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2024-11-10 00:06:39,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 00:06:39,636 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:06:39,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:06:39,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1287261846, now seen corresponding path program 1 times [2024-11-10 00:06:39,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:06:39,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763725316] [2024-11-10 00:06:39,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:06:39,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:06:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:06:39,718 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-10 00:06:39,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:06:39,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763725316] [2024-11-10 00:06:39,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763725316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:06:39,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:06:39,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:06:39,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290070297] [2024-11-10 00:06:39,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:06:39,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:06:39,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:06:39,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:06:39,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:06:39,723 INFO L87 Difference]: Start difference. First operand 482291 states and 675311 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states 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 00:06:45,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:06:45,692 INFO L93 Difference]: Finished difference Result 1178351 states and 1654797 transitions. [2024-11-10 00:06:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:06:45,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 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 00:06:45,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:06:47,533 INFO L225 Difference]: With dead ends: 1178351 [2024-11-10 00:06:47,533 INFO L226 Difference]: Without dead ends: 696355 [2024-11-10 00:06:47,883 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 00:06:47,884 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 155 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 493 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 00:06:47,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 493 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:06:48,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696355 states.