./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.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.4.3.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 b01ecc2cec2d3b25790e2e1261ee2a51c1fc74f823e2e108c953a6bc27a2446d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 00:08:07,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 00:08:07,760 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 00:08:07,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 00:08:07,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 00:08:07,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 00:08:07,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 00:08:07,802 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 00:08:07,803 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 00:08:07,804 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 00:08:07,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 00:08:07,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 00:08:07,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 00:08:07,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 00:08:07,808 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 00:08:07,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 00:08:07,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 00:08:07,809 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 00:08:07,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 00:08:07,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 00:08:07,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 00:08:07,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 00:08:07,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 00:08:07,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 00:08:07,815 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 00:08:07,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 00:08:07,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 00:08:07,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 00:08:07,816 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 00:08:07,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 00:08:07,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 00:08:07,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 00:08:07,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:08:07,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 00:08:07,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 00:08:07,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 00:08:07,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 00:08:07,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 00:08:07,820 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 00:08:07,820 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 00:08:07,821 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 00:08:07,821 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 00:08:07,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b01ecc2cec2d3b25790e2e1261ee2a51c1fc74f823e2e108c953a6bc27a2446d [2024-11-10 00:08:08,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 00:08:08,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 00:08:08,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 00:08:08,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 00:08:08,110 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 00:08:08,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-11-10 00:08:09,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 00:08:09,996 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 00:08:09,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-11-10 00:08:10,026 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b46f5e60e/879fbba89bfc43a2816a3d71514b54fe/FLAGc3f0abb70 [2024-11-10 00:08:10,052 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b46f5e60e/879fbba89bfc43a2816a3d71514b54fe [2024-11-10 00:08:10,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 00:08:10,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 00:08:10,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 00:08:10,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 00:08:10,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 00:08:10,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156b26e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10, skipping insertion in model container [2024-11-10 00:08:10,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,120 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 00:08:10,502 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.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[13826,13839] [2024-11-10 00:08:10,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:08:10,601 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 00:08:10,659 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.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[13826,13839] [2024-11-10 00:08:10,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:08:10,760 INFO L204 MainTranslator]: Completed translation [2024-11-10 00:08:10,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10 WrapperNode [2024-11-10 00:08:10,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 00:08:10,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 00:08:10,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 00:08:10,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 00:08:10,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,857 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1451 [2024-11-10 00:08:10,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 00:08:10,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 00:08:10,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 00:08:10,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 00:08:10,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,921 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 00:08:10,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,944 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 00:08:10,968 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 00:08:10,968 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 00:08:10,968 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 00:08:10,969 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10" (1/1) ... [2024-11-10 00:08:10,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:08:10,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:08:11,014 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 00:08:11,021 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 00:08:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 00:08:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 00:08:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 00:08:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 00:08:11,273 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 00:08:11,275 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 00:08:12,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1400: havoc main_~node1____CPAchecker_TMP_2~0#1;havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,588 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1400: havoc main_~node1____CPAchecker_TMP_2~0#1;havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,588 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1400: havoc main_~node1____CPAchecker_TMP_2~0#1;havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,588 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1400: havoc main_~node1____CPAchecker_TMP_2~0#1;havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,588 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1235: havoc main_~node2____CPAchecker_TMP_2~0#1;havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,588 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1235: havoc main_~node2____CPAchecker_TMP_2~0#1;havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,588 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1235: havoc main_~node2____CPAchecker_TMP_2~0#1;havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,588 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1235: havoc main_~node2____CPAchecker_TMP_2~0#1;havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,589 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070: havoc main_~node3____CPAchecker_TMP_2~0#1;havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,589 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070: havoc main_~node3____CPAchecker_TMP_2~0#1;havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,589 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070: havoc main_~node3____CPAchecker_TMP_2~0#1;havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,589 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070: havoc main_~node3____CPAchecker_TMP_2~0#1;havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,589 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L905: havoc main_~node4____CPAchecker_TMP_2~0#1;havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,589 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L905: havoc main_~node4____CPAchecker_TMP_2~0#1;havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,589 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L905: havoc main_~node4____CPAchecker_TMP_2~0#1;havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,589 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L905: havoc main_~node4____CPAchecker_TMP_2~0#1;havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-10 00:08:12,589 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1374: havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:08:12,589 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1209: havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:08:12,590 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1044: havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:08:12,590 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L879: havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-10 00:08:12,590 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L621: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:08:12,590 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L621: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:08:12,590 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L621: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:08:12,590 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L621: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:08:12,590 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L621: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:08:12,590 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L621: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:08:12,590 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L621: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:08:12,590 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L621: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:08:12,591 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L621: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:08:12,591 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:08:12,591 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:08:12,591 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:08:12,591 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:08:12,591 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:08:12,592 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:08:12,592 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:08:12,592 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:08:12,592 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:08:12,592 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:08:12,593 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:08:12,593 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:08:12,593 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:08:12,593 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L529: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:08:12,593 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L529: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:08:12,593 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L529: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:08:12,593 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L529: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:08:12,594 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L529: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:08:12,594 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L529: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:08:12,594 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L529: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:08:12,594 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L529: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:08:12,594 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L529: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:08:12,594 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L166: havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r141~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r241~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r341~0#1, main_~init__r411~0#1, main_~init__r421~0#1, main_~init__r431~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r142~0#1, main_~init__tmp___1~0#1, main_~init__r212~0#1, main_~init__tmp___2~0#1, main_~init__r232~0#1, main_~init__tmp___3~0#1, main_~init__r242~0#1, main_~init__tmp___4~0#1, main_~init__r312~0#1, main_~init__tmp___5~0#1, main_~init__r322~0#1, main_~init__tmp___6~0#1, main_~init__r342~0#1, main_~init__tmp___7~0#1, main_~init__r412~0#1, main_~init__tmp___8~0#1, main_~init__r422~0#1, main_~init__tmp___9~0#1, main_~init__r432~0#1, main_~init__tmp___10~0#1, main_~init__r123~0#1, main_~init__tmp___11~0#1, main_~init__r133~0#1, main_~init__tmp___12~0#1, main_~init__r143~0#1, main_~init__tmp___13~0#1, main_~init__r213~0#1, main_~init__tmp___14~0#1, main_~init__r233~0#1, main_~init__tmp___15~0#1, main_~init__r243~0#1, main_~init__tmp___16~0#1, main_~init__r313~0#1, main_~init__tmp___17~0#1, main_~init__r323~0#1, main_~init__tmp___18~0#1, main_~init__r343~0#1, main_~init__tmp___19~0#1, main_~init__r413~0#1, main_~init__tmp___20~0#1, main_~init__r423~0#1, main_~init__tmp___21~0#1, main_~init__r433~0#1, main_~init__tmp___22~0#1, main_~init__tmp___23~0#1; [2024-11-10 00:08:12,795 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-10 00:08:12,796 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 00:08:12,827 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 00:08:12,831 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 00:08:12,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:08:12 BoogieIcfgContainer [2024-11-10 00:08:12,832 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 00:08:12,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 00:08:12,834 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 00:08:12,840 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 00:08:12,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:08:10" (1/3) ... [2024-11-10 00:08:12,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a73c7ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:08:12, skipping insertion in model container [2024-11-10 00:08:12,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:10" (2/3) ... [2024-11-10 00:08:12,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a73c7ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:08:12, skipping insertion in model container [2024-11-10 00:08:12,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:08:12" (3/3) ... [2024-11-10 00:08:12,843 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-11-10 00:08:12,863 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 00:08:12,864 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 00:08:12,944 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 00:08:12,952 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;@2f94efd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 00:08:12,953 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 00:08:12,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 426 states, 424 states have (on average 1.6462264150943395) internal successors, (698), 425 states have internal predecessors, (698), 0 states have call successors, (0), 0 states 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 00:08:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-10 00:08:12,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:12,987 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:08:12,988 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:12,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:12,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1337260397, now seen corresponding path program 1 times [2024-11-10 00:08:13,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:13,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841695875] [2024-11-10 00:08:13,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:13,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:13,797 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 00:08:13,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:13,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841695875] [2024-11-10 00:08:13,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841695875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:13,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:13,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:08:13,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491465419] [2024-11-10 00:08:13,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:13,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:08:13,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:13,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:08:13,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:08:13,845 INFO L87 Difference]: Start difference. First operand has 426 states, 424 states have (on average 1.6462264150943395) internal successors, (698), 425 states have internal predecessors, (698), 0 states have call successors, (0), 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 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 00:08:14,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:14,027 INFO L93 Difference]: Finished difference Result 780 states and 1252 transitions. [2024-11-10 00:08:14,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:08:14,031 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 118 [2024-11-10 00:08:14,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:14,054 INFO L225 Difference]: With dead ends: 780 [2024-11-10 00:08:14,055 INFO L226 Difference]: Without dead ends: 589 [2024-11-10 00:08:14,067 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 00:08:14,073 INFO L432 NwaCegarLoop]: 692 mSDtfsCounter, 291 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 1297 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 00:08:14,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 1297 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:08:14,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-10 00:08:14,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 586. [2024-11-10 00:08:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 585 states have (on average 1.5401709401709403) internal successors, (901), 585 states have internal predecessors, (901), 0 states have call successors, (0), 0 states 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 00:08:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 901 transitions. [2024-11-10 00:08:14,174 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 901 transitions. Word has length 118 [2024-11-10 00:08:14,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:14,175 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 901 transitions. [2024-11-10 00:08:14,175 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 00:08:14,175 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 901 transitions. [2024-11-10 00:08:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 00:08:14,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:14,184 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:14,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 00:08:14,188 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:14,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:14,189 INFO L85 PathProgramCache]: Analyzing trace with hash 177369564, now seen corresponding path program 1 times [2024-11-10 00:08:14,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:14,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759766703] [2024-11-10 00:08:14,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:14,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:14,601 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 00:08:14,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:14,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759766703] [2024-11-10 00:08:14,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759766703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:14,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:14,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:08:14,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021037912] [2024-11-10 00:08:14,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:14,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:08:14,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:14,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:08:14,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:08:14,607 INFO L87 Difference]: Start difference. First operand 586 states and 901 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states 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 00:08:14,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:14,665 INFO L93 Difference]: Finished difference Result 1252 states and 1941 transitions. [2024-11-10 00:08:14,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:08:14,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-10 00:08:14,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:14,674 INFO L225 Difference]: With dead ends: 1252 [2024-11-10 00:08:14,674 INFO L226 Difference]: Without dead ends: 907 [2024-11-10 00:08:14,676 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 00:08:14,681 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 252 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 1246 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 00:08:14,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 1246 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:08:14,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2024-11-10 00:08:14,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 903. [2024-11-10 00:08:14,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 902 states have (on average 1.5454545454545454) internal successors, (1394), 902 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states 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 00:08:14,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1394 transitions. [2024-11-10 00:08:14,731 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1394 transitions. Word has length 123 [2024-11-10 00:08:14,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:14,733 INFO L471 AbstractCegarLoop]: Abstraction has 903 states and 1394 transitions. [2024-11-10 00:08:14,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states 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 00:08:14,734 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1394 transitions. [2024-11-10 00:08:14,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 00:08:14,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:14,740 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:14,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 00:08:14,740 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:14,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:14,741 INFO L85 PathProgramCache]: Analyzing trace with hash 386473455, now seen corresponding path program 1 times [2024-11-10 00:08:14,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:14,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971441015] [2024-11-10 00:08:14,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:14,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:08:15,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:15,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971441015] [2024-11-10 00:08:15,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971441015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:15,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:15,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:08:15,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908861262] [2024-11-10 00:08:15,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:15,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:08:15,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:15,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:08:15,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:08:15,048 INFO L87 Difference]: Start difference. First operand 903 states and 1394 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states 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 00:08:15,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:15,103 INFO L93 Difference]: Finished difference Result 2179 states and 3380 transitions. [2024-11-10 00:08:15,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:08:15,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2024-11-10 00:08:15,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:15,112 INFO L225 Difference]: With dead ends: 2179 [2024-11-10 00:08:15,113 INFO L226 Difference]: Without dead ends: 1517 [2024-11-10 00:08:15,114 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 00:08:15,117 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 243 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 1247 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 00:08:15,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 1247 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:08:15,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2024-11-10 00:08:15,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1511. [2024-11-10 00:08:15,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1510 states have (on average 1.5456953642384106) internal successors, (2334), 1510 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states 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 00:08:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2334 transitions. [2024-11-10 00:08:15,157 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2334 transitions. Word has length 128 [2024-11-10 00:08:15,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:15,159 INFO L471 AbstractCegarLoop]: Abstraction has 1511 states and 2334 transitions. [2024-11-10 00:08:15,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states 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 00:08:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2334 transitions. [2024-11-10 00:08:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-10 00:08:15,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:15,165 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:15,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 00:08:15,165 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:15,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:15,167 INFO L85 PathProgramCache]: Analyzing trace with hash 593434191, now seen corresponding path program 1 times [2024-11-10 00:08:15,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:15,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251574487] [2024-11-10 00:08:15,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:15,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:15,412 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 00:08:15,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:15,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251574487] [2024-11-10 00:08:15,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251574487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:15,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:15,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:08:15,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682823642] [2024-11-10 00:08:15,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:15,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:08:15,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:15,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:08:15,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:08:15,416 INFO L87 Difference]: Start difference. First operand 1511 states and 2334 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states 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 00:08:15,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:15,476 INFO L93 Difference]: Finished difference Result 3955 states and 6120 transitions. [2024-11-10 00:08:15,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:08:15,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2024-11-10 00:08:15,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:15,487 INFO L225 Difference]: With dead ends: 3955 [2024-11-10 00:08:15,488 INFO L226 Difference]: Without dead ends: 2685 [2024-11-10 00:08:15,491 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 00:08:15,492 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 234 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 1248 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 00:08:15,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1248 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:08:15,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2024-11-10 00:08:15,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2675. [2024-11-10 00:08:15,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2675 states, 2674 states have (on average 1.5415108451757666) internal successors, (4122), 2674 states have internal predecessors, (4122), 0 states have call successors, (0), 0 states 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 00:08:15,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2675 states and 4122 transitions. [2024-11-10 00:08:15,552 INFO L78 Accepts]: Start accepts. Automaton has 2675 states and 4122 transitions. Word has length 133 [2024-11-10 00:08:15,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:15,553 INFO L471 AbstractCegarLoop]: Abstraction has 2675 states and 4122 transitions. [2024-11-10 00:08:15,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states 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 00:08:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 4122 transitions. [2024-11-10 00:08:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-10 00:08:15,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:15,556 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:15,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 00:08:15,556 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:15,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:15,557 INFO L85 PathProgramCache]: Analyzing trace with hash 403851179, now seen corresponding path program 1 times [2024-11-10 00:08:15,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:15,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958701123] [2024-11-10 00:08:15,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:15,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:15,867 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 00:08:15,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:15,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958701123] [2024-11-10 00:08:15,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958701123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:15,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:15,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:08:15,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992821051] [2024-11-10 00:08:15,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:15,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 00:08:15,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:15,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 00:08:15,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 00:08:15,874 INFO L87 Difference]: Start difference. First operand 2675 states and 4122 transitions. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 00:08:16,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:16,318 INFO L93 Difference]: Finished difference Result 13895 states and 21626 transitions. [2024-11-10 00:08:16,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:08:16,318 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2024-11-10 00:08:16,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:16,362 INFO L225 Difference]: With dead ends: 13895 [2024-11-10 00:08:16,362 INFO L226 Difference]: Without dead ends: 11461 [2024-11-10 00:08:16,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-10 00:08:16,374 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 2239 mSDsluCounter, 5656 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 6311 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:08:16,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2239 Valid, 6311 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:08:16,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11461 states. [2024-11-10 00:08:16,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11461 to 4912. [2024-11-10 00:08:16,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4912 states, 4911 states have (on average 1.546731826511912) internal successors, (7596), 4911 states have internal predecessors, (7596), 0 states have call successors, (0), 0 states 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 00:08:16,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4912 states to 4912 states and 7596 transitions. [2024-11-10 00:08:16,572 INFO L78 Accepts]: Start accepts. Automaton has 4912 states and 7596 transitions. Word has length 138 [2024-11-10 00:08:16,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:16,573 INFO L471 AbstractCegarLoop]: Abstraction has 4912 states and 7596 transitions. [2024-11-10 00:08:16,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 00:08:16,573 INFO L276 IsEmpty]: Start isEmpty. Operand 4912 states and 7596 transitions. [2024-11-10 00:08:16,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-10 00:08:16,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:16,577 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:16,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 00:08:16,577 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:16,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:16,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1635289858, now seen corresponding path program 1 times [2024-11-10 00:08:16,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:16,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819050533] [2024-11-10 00:08:16,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:16,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:16,844 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 00:08:16,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:16,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819050533] [2024-11-10 00:08:16,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819050533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:16,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:16,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:08:16,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349590717] [2024-11-10 00:08:16,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:16,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:08:16,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:16,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:08:16,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:08:16,848 INFO L87 Difference]: Start difference. First operand 4912 states and 7596 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states 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 00:08:16,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:16,989 INFO L93 Difference]: Finished difference Result 14411 states and 22385 transitions. [2024-11-10 00:08:16,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:08:16,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2024-11-10 00:08:16,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:17,024 INFO L225 Difference]: With dead ends: 14411 [2024-11-10 00:08:17,026 INFO L226 Difference]: Without dead ends: 9740 [2024-11-10 00:08:17,038 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 00:08:17,040 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 825 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 1955 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 00:08:17,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 1955 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:08:17,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9740 states. [2024-11-10 00:08:17,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9740 to 7309. [2024-11-10 00:08:17,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7309 states, 7308 states have (on average 1.5478927203065134) internal successors, (11312), 7308 states have internal predecessors, (11312), 0 states have call successors, (0), 0 states 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 00:08:17,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7309 states to 7309 states and 11312 transitions. [2024-11-10 00:08:17,253 INFO L78 Accepts]: Start accepts. Automaton has 7309 states and 11312 transitions. Word has length 140 [2024-11-10 00:08:17,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:17,254 INFO L471 AbstractCegarLoop]: Abstraction has 7309 states and 11312 transitions. [2024-11-10 00:08:17,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states 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 00:08:17,254 INFO L276 IsEmpty]: Start isEmpty. Operand 7309 states and 11312 transitions. [2024-11-10 00:08:17,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 00:08:17,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:17,259 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:17,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 00:08:17,259 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:17,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:17,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1667102411, now seen corresponding path program 1 times [2024-11-10 00:08:17,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:17,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539825846] [2024-11-10 00:08:17,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:17,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:17,435 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 00:08:17,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:17,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539825846] [2024-11-10 00:08:17,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539825846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:17,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:17,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:08:17,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465942986] [2024-11-10 00:08:17,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:17,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:08:17,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:17,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:08:17,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:08:17,438 INFO L87 Difference]: Start difference. First operand 7309 states and 11312 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:08:17,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:17,533 INFO L93 Difference]: Finished difference Result 16113 states and 24996 transitions. [2024-11-10 00:08:17,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:08:17,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-11-10 00:08:17,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:17,562 INFO L225 Difference]: With dead ends: 16113 [2024-11-10 00:08:17,563 INFO L226 Difference]: Without dead ends: 11161 [2024-11-10 00:08:17,574 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 00:08:17,575 INFO L432 NwaCegarLoop]: 862 mSDtfsCounter, 260 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 1460 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 00:08:17,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 1460 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:08:17,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11161 states. [2024-11-10 00:08:17,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11161 to 11159. [2024-11-10 00:08:17,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11159 states, 11158 states have (on average 1.544900519806417) internal successors, (17238), 11158 states have internal predecessors, (17238), 0 states have call successors, (0), 0 states 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 00:08:17,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11159 states to 11159 states and 17238 transitions. [2024-11-10 00:08:17,832 INFO L78 Accepts]: Start accepts. Automaton has 11159 states and 17238 transitions. Word has length 142 [2024-11-10 00:08:17,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:17,832 INFO L471 AbstractCegarLoop]: Abstraction has 11159 states and 17238 transitions. [2024-11-10 00:08:17,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:08:17,833 INFO L276 IsEmpty]: Start isEmpty. Operand 11159 states and 17238 transitions. [2024-11-10 00:08:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 00:08:17,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:17,835 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:17,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 00:08:17,836 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:17,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:17,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1382684326, now seen corresponding path program 1 times [2024-11-10 00:08:17,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:17,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091107375] [2024-11-10 00:08:17,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:17,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:18,047 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 00:08:18,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:18,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091107375] [2024-11-10 00:08:18,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091107375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:18,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:18,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:08:18,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120791119] [2024-11-10 00:08:18,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:18,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:08:18,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:18,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:08:18,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:08:18,051 INFO L87 Difference]: Start difference. First operand 11159 states and 17238 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:08:18,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:18,190 INFO L93 Difference]: Finished difference Result 21540 states and 33294 transitions. [2024-11-10 00:08:18,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:08:18,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-11-10 00:08:18,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:18,242 INFO L225 Difference]: With dead ends: 21540 [2024-11-10 00:08:18,242 INFO L226 Difference]: Without dead ends: 15641 [2024-11-10 00:08:18,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:08:18,260 INFO L432 NwaCegarLoop]: 835 mSDtfsCounter, 251 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1434 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 00:08:18,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1434 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:08:18,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15641 states. [2024-11-10 00:08:18,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15641 to 15639. [2024-11-10 00:08:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15639 states, 15638 states have (on average 1.539966747665942) internal successors, (24082), 15638 states have internal predecessors, (24082), 0 states have call successors, (0), 0 states 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 00:08:18,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15639 states to 15639 states and 24082 transitions. [2024-11-10 00:08:18,781 INFO L78 Accepts]: Start accepts. Automaton has 15639 states and 24082 transitions. Word has length 142 [2024-11-10 00:08:18,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:18,783 INFO L471 AbstractCegarLoop]: Abstraction has 15639 states and 24082 transitions. [2024-11-10 00:08:18,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:08:18,783 INFO L276 IsEmpty]: Start isEmpty. Operand 15639 states and 24082 transitions. [2024-11-10 00:08:18,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 00:08:18,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:18,785 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:18,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 00:08:18,786 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:18,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:18,786 INFO L85 PathProgramCache]: Analyzing trace with hash -472151625, now seen corresponding path program 1 times [2024-11-10 00:08:18,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:18,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677742452] [2024-11-10 00:08:18,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:18,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:18,962 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 00:08:18,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:18,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677742452] [2024-11-10 00:08:18,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677742452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:18,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:18,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:08:18,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585482917] [2024-11-10 00:08:18,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:18,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:08:18,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:18,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:08:18,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:08:18,964 INFO L87 Difference]: Start difference. First operand 15639 states and 24082 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:08:19,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:19,210 INFO L93 Difference]: Finished difference Result 30016 states and 46246 transitions. [2024-11-10 00:08:19,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:08:19,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-11-10 00:08:19,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:19,263 INFO L225 Difference]: With dead ends: 30016 [2024-11-10 00:08:19,263 INFO L226 Difference]: Without dead ends: 21759 [2024-11-10 00:08:19,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:08:19,289 INFO L432 NwaCegarLoop]: 799 mSDtfsCounter, 242 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:08:19,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1399 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:08:19,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21759 states. [2024-11-10 00:08:19,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21759 to 21757. [2024-11-10 00:08:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21757 states, 21756 states have (on average 1.5342893914322486) internal successors, (33380), 21756 states have internal predecessors, (33380), 0 states have call successors, (0), 0 states 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 00:08:19,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21757 states to 21757 states and 33380 transitions. [2024-11-10 00:08:19,915 INFO L78 Accepts]: Start accepts. Automaton has 21757 states and 33380 transitions. Word has length 142 [2024-11-10 00:08:19,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:19,916 INFO L471 AbstractCegarLoop]: Abstraction has 21757 states and 33380 transitions. [2024-11-10 00:08:19,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:08:19,916 INFO L276 IsEmpty]: Start isEmpty. Operand 21757 states and 33380 transitions. [2024-11-10 00:08:19,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 00:08:19,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:19,918 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:19,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 00:08:19,918 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:19,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:19,919 INFO L85 PathProgramCache]: Analyzing trace with hash -2042604326, now seen corresponding path program 1 times [2024-11-10 00:08:19,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:19,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360291387] [2024-11-10 00:08:19,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:19,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:20,203 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 00:08:20,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:20,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360291387] [2024-11-10 00:08:20,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360291387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:20,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:20,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:08:20,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255694808] [2024-11-10 00:08:20,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:20,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:08:20,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:20,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:08:20,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:08:20,206 INFO L87 Difference]: Start difference. First operand 21757 states and 33380 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:08:20,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:20,495 INFO L93 Difference]: Finished difference Result 41538 states and 63756 transitions. [2024-11-10 00:08:20,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:08:20,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-11-10 00:08:20,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:20,578 INFO L225 Difference]: With dead ends: 41538 [2024-11-10 00:08:20,579 INFO L226 Difference]: Without dead ends: 30039 [2024-11-10 00:08:20,603 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 00:08:20,604 INFO L432 NwaCegarLoop]: 763 mSDtfsCounter, 233 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 1364 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 00:08:20,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 1364 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:08:20,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30039 states. [2024-11-10 00:08:21,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30039 to 30037. [2024-11-10 00:08:21,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30037 states, 30036 states have (on average 1.527633506458916) internal successors, (45884), 30036 states have internal predecessors, (45884), 0 states have call successors, (0), 0 states 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 00:08:21,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30037 states to 30037 states and 45884 transitions. [2024-11-10 00:08:21,209 INFO L78 Accepts]: Start accepts. Automaton has 30037 states and 45884 transitions. Word has length 142 [2024-11-10 00:08:21,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:21,209 INFO L471 AbstractCegarLoop]: Abstraction has 30037 states and 45884 transitions. [2024-11-10 00:08:21,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:08:21,210 INFO L276 IsEmpty]: Start isEmpty. Operand 30037 states and 45884 transitions. [2024-11-10 00:08:21,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 00:08:21,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:21,211 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:21,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 00:08:21,211 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:21,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:21,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1933683408, now seen corresponding path program 1 times [2024-11-10 00:08:21,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:21,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960692208] [2024-11-10 00:08:21,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:21,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:21,554 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 00:08:21,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:21,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960692208] [2024-11-10 00:08:21,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960692208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:21,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:21,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:08:21,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220894280] [2024-11-10 00:08:21,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:21,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:08:21,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:21,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:08:21,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:08:21,557 INFO L87 Difference]: Start difference. First operand 30037 states and 45884 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:08:22,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:22,190 INFO L93 Difference]: Finished difference Result 97895 states and 149701 transitions. [2024-11-10 00:08:22,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:08:22,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-11-10 00:08:22,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:22,402 INFO L225 Difference]: With dead ends: 97895 [2024-11-10 00:08:22,402 INFO L226 Difference]: Without dead ends: 68173 [2024-11-10 00:08:22,460 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 00:08:22,461 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 825 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 2146 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 00:08:22,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 2146 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:08:22,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68173 states. [2024-11-10 00:08:23,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68173 to 49016. [2024-11-10 00:08:23,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49016 states, 49015 states have (on average 1.523003162297256) internal successors, (74650), 49015 states have internal predecessors, (74650), 0 states have call successors, (0), 0 states 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 00:08:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49016 states to 49016 states and 74650 transitions. [2024-11-10 00:08:23,806 INFO L78 Accepts]: Start accepts. Automaton has 49016 states and 74650 transitions. Word has length 142 [2024-11-10 00:08:23,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:23,807 INFO L471 AbstractCegarLoop]: Abstraction has 49016 states and 74650 transitions. [2024-11-10 00:08:23,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:08:23,807 INFO L276 IsEmpty]: Start isEmpty. Operand 49016 states and 74650 transitions. [2024-11-10 00:08:23,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 00:08:23,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:23,809 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:23,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 00:08:23,809 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:23,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:23,810 INFO L85 PathProgramCache]: Analyzing trace with hash -886074723, now seen corresponding path program 1 times [2024-11-10 00:08:23,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:23,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003857568] [2024-11-10 00:08:23,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:23,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:24,037 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 00:08:24,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:24,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003857568] [2024-11-10 00:08:24,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003857568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:24,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:24,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:08:24,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690110621] [2024-11-10 00:08:24,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:24,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:08:24,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:24,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:08:24,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:08:24,040 INFO L87 Difference]: Start difference. First operand 49016 states and 74650 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states 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 00:08:24,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:24,860 INFO L93 Difference]: Finished difference Result 159057 states and 242477 transitions. [2024-11-10 00:08:24,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:08:24,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 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 144 [2024-11-10 00:08:24,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:25,095 INFO L225 Difference]: With dead ends: 159057 [2024-11-10 00:08:25,095 INFO L226 Difference]: Without dead ends: 110356 [2024-11-10 00:08:25,177 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 00:08:25,178 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 823 mSDsluCounter, 1512 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 2148 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 00:08:25,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 2148 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:08:25,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110356 states. [2024-11-10 00:08:26,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110356 to 79543. [2024-11-10 00:08:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79543 states, 79542 states have (on average 1.5182922229765408) internal successors, (120768), 79542 states have internal predecessors, (120768), 0 states have call successors, (0), 0 states 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 00:08:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79543 states to 79543 states and 120768 transitions. [2024-11-10 00:08:27,468 INFO L78 Accepts]: Start accepts. Automaton has 79543 states and 120768 transitions. Word has length 144 [2024-11-10 00:08:27,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:27,468 INFO L471 AbstractCegarLoop]: Abstraction has 79543 states and 120768 transitions. [2024-11-10 00:08:27,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states 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 00:08:27,469 INFO L276 IsEmpty]: Start isEmpty. Operand 79543 states and 120768 transitions. [2024-11-10 00:08:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-10 00:08:27,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:27,471 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:27,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 00:08:27,475 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:27,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:27,476 INFO L85 PathProgramCache]: Analyzing trace with hash -903942283, now seen corresponding path program 1 times [2024-11-10 00:08:27,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:27,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950554164] [2024-11-10 00:08:27,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:27,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:27,696 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 00:08:27,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:27,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950554164] [2024-11-10 00:08:27,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950554164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:27,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:27,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:08:27,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870689507] [2024-11-10 00:08:27,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:27,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:08:27,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:27,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:08:27,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:08:27,700 INFO L87 Difference]: Start difference. First operand 79543 states and 120768 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 0 states 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 00:08:28,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:28,976 INFO L93 Difference]: Finished difference Result 255219 states and 387853 transitions. [2024-11-10 00:08:28,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:08:28,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 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 146 [2024-11-10 00:08:28,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:29,296 INFO L225 Difference]: With dead ends: 255219 [2024-11-10 00:08:29,296 INFO L226 Difference]: Without dead ends: 175991 [2024-11-10 00:08:29,349 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 00:08:29,350 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 821 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 2150 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 00:08:29,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 2150 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:08:29,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175991 states. [2024-11-10 00:08:31,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175991 to 127542. [2024-11-10 00:08:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127542 states, 127541 states have (on average 1.5135995483805207) internal successors, (193046), 127541 states have internal predecessors, (193046), 0 states have call successors, (0), 0 states 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 00:08:32,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127542 states to 127542 states and 193046 transitions. [2024-11-10 00:08:32,073 INFO L78 Accepts]: Start accepts. Automaton has 127542 states and 193046 transitions. Word has length 146 [2024-11-10 00:08:32,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:32,073 INFO L471 AbstractCegarLoop]: Abstraction has 127542 states and 193046 transitions. [2024-11-10 00:08:32,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 0 states 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 00:08:32,073 INFO L276 IsEmpty]: Start isEmpty. Operand 127542 states and 193046 transitions. [2024-11-10 00:08:32,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 00:08:32,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:32,074 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:32,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 00:08:32,075 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:32,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:32,075 INFO L85 PathProgramCache]: Analyzing trace with hash -19780878, now seen corresponding path program 1 times [2024-11-10 00:08:32,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:32,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393738193] [2024-11-10 00:08:32,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:32,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:32,503 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 00:08:32,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:32,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393738193] [2024-11-10 00:08:32,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393738193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:32,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:32,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:08:32,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602159396] [2024-11-10 00:08:32,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:32,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 00:08:32,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:32,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 00:08:32,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 00:08:32,506 INFO L87 Difference]: Start difference. First operand 127542 states and 193046 transitions. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states 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 00:08:34,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:34,000 INFO L93 Difference]: Finished difference Result 254771 states and 385622 transitions. [2024-11-10 00:08:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 00:08:34,001 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2024-11-10 00:08:34,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:34,218 INFO L225 Difference]: With dead ends: 254771 [2024-11-10 00:08:34,219 INFO L226 Difference]: Without dead ends: 127544 [2024-11-10 00:08:34,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:08:34,295 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 239 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 3084 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:08:34,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 3084 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:08:34,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127544 states. [2024-11-10 00:08:35,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127544 to 127542. [2024-11-10 00:08:36,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127542 states, 127541 states have (on average 1.5086991634062772) internal successors, (192421), 127541 states have internal predecessors, (192421), 0 states have call successors, (0), 0 states 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 00:08:37,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127542 states to 127542 states and 192421 transitions. [2024-11-10 00:08:37,058 INFO L78 Accepts]: Start accepts. Automaton has 127542 states and 192421 transitions. Word has length 149 [2024-11-10 00:08:37,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:37,059 INFO L471 AbstractCegarLoop]: Abstraction has 127542 states and 192421 transitions. [2024-11-10 00:08:37,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states 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 00:08:37,059 INFO L276 IsEmpty]: Start isEmpty. Operand 127542 states and 192421 transitions. [2024-11-10 00:08:37,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-10 00:08:37,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:37,060 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:37,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 00:08:37,061 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:37,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:37,062 INFO L85 PathProgramCache]: Analyzing trace with hash 2055816170, now seen corresponding path program 1 times [2024-11-10 00:08:37,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:37,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670461482] [2024-11-10 00:08:37,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:37,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:37,543 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 00:08:37,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:37,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670461482] [2024-11-10 00:08:37,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670461482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:37,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:37,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:08:37,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940823896] [2024-11-10 00:08:37,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:37,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 00:08:37,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:37,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 00:08:37,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 00:08:37,546 INFO L87 Difference]: Start difference. First operand 127542 states and 192421 transitions. Second operand has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states 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 00:08:39,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:39,667 INFO L93 Difference]: Finished difference Result 372657 states and 562770 transitions. [2024-11-10 00:08:39,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 00:08:39,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2024-11-10 00:08:39,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:40,175 INFO L225 Difference]: With dead ends: 372657 [2024-11-10 00:08:40,176 INFO L226 Difference]: Without dead ends: 245430 [2024-11-10 00:08:40,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:08:40,249 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 931 mSDsluCounter, 1848 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 2483 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:08:40,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 2483 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:08:40,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245430 states. [2024-11-10 00:08:43,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245430 to 245428. [2024-11-10 00:08:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245428 states, 245427 states have (on average 1.5026953024728331) internal successors, (368802), 245427 states have internal predecessors, (368802), 0 states have call successors, (0), 0 states 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 00:08:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245428 states to 245428 states and 368802 transitions. [2024-11-10 00:08:45,094 INFO L78 Accepts]: Start accepts. Automaton has 245428 states and 368802 transitions. Word has length 156 [2024-11-10 00:08:45,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:45,094 INFO L471 AbstractCegarLoop]: Abstraction has 245428 states and 368802 transitions. [2024-11-10 00:08:45,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states 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 00:08:45,095 INFO L276 IsEmpty]: Start isEmpty. Operand 245428 states and 368802 transitions. [2024-11-10 00:08:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-10 00:08:45,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:45,096 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:45,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 00:08:45,096 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:45,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:45,097 INFO L85 PathProgramCache]: Analyzing trace with hash 701402952, now seen corresponding path program 1 times [2024-11-10 00:08:45,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:45,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116435409] [2024-11-10 00:08:45,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:45,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:46,029 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 00:08:46,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:46,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116435409] [2024-11-10 00:08:46,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116435409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:46,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:46,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:08:46,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419728220] [2024-11-10 00:08:46,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:46,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:08:46,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:46,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:08:46,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:08:46,032 INFO L87 Difference]: Start difference. First operand 245428 states and 368802 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states 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 00:08:47,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:47,778 INFO L93 Difference]: Finished difference Result 264332 states and 389641 transitions. [2024-11-10 00:08:47,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:08:47,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 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 159 [2024-11-10 00:08:47,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:48,272 INFO L225 Difference]: With dead ends: 264332 [2024-11-10 00:08:48,272 INFO L226 Difference]: Without dead ends: 264330 [2024-11-10 00:08:48,339 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 00:08:48,339 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 0 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2559 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:08:48,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2559 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:08:48,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264330 states. [2024-11-10 00:08:51,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264330 to 264330. [2024-11-10 00:08:51,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264330 states, 264329 states have (on average 1.466645733158299) internal successors, (387677), 264329 states have internal predecessors, (387677), 0 states have call successors, (0), 0 states 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 00:08:53,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264330 states to 264330 states and 387677 transitions. [2024-11-10 00:08:53,285 INFO L78 Accepts]: Start accepts. Automaton has 264330 states and 387677 transitions. Word has length 159 [2024-11-10 00:08:53,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:08:53,286 INFO L471 AbstractCegarLoop]: Abstraction has 264330 states and 387677 transitions. [2024-11-10 00:08:53,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states 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 00:08:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 264330 states and 387677 transitions. [2024-11-10 00:08:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-10 00:08:53,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:08:53,295 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:53,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 00:08:53,295 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:08:53,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:08:53,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1665052738, now seen corresponding path program 1 times [2024-11-10 00:08:53,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:08:53,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550431443] [2024-11-10 00:08:53,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:08:53,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:08:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:08:53,481 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 00:08:53,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:08:53,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550431443] [2024-11-10 00:08:53,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550431443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:08:53,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:08:53,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:08:53,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194339897] [2024-11-10 00:08:53,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:08:53,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:08:53,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:08:53,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:08:53,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:08:53,485 INFO L87 Difference]: Start difference. First operand 264330 states and 387677 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states 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 00:08:56,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:08:56,737 INFO L93 Difference]: Finished difference Result 602513 states and 883556 transitions. [2024-11-10 00:08:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:08:56,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 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 203 [2024-11-10 00:08:56,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:08:57,845 INFO L225 Difference]: With dead ends: 602513 [2024-11-10 00:08:57,846 INFO L226 Difference]: Without dead ends: 483111 [2024-11-10 00:08:57,992 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 00:08:57,992 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 211 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:08:57,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1236 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:08:58,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483111 states. [2024-11-10 00:09:04,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483111 to 482859. [2024-11-10 00:09:04,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482859 states, 482858 states have (on average 1.4650352691681612) internal successors, (707404), 482858 states have internal predecessors, (707404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)