./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.1.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.4.1.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 37e549e4fa4b7b530556a3e37b4e2d4806fbb92dab5da0115a6c327b48fa0370 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 00:07:03,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 00:07:03,824 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 00:07:03,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 00:07:03,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 00:07:03,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 00:07:03,870 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 00:07:03,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 00:07:03,870 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 00:07:03,871 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 00:07:03,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 00:07:03,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 00:07:03,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 00:07:03,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 00:07:03,878 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 00:07:03,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 00:07:03,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 00:07:03,879 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 00:07:03,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 00:07:03,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 00:07:03,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 00:07:03,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 00:07:03,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 00:07:03,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 00:07:03,882 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 00:07:03,882 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 00:07:03,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 00:07:03,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 00:07:03,883 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 00:07:03,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 00:07:03,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 00:07:03,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 00:07:03,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:07:03,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 00:07:03,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 00:07:03,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 00:07:03,886 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 00:07:03,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 00:07:03,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 00:07:03,886 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 00:07:03,886 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 00:07:03,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 00:07:03,889 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37e549e4fa4b7b530556a3e37b4e2d4806fbb92dab5da0115a6c327b48fa0370 [2024-11-10 00:07:04,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 00:07:04,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 00:07:04,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 00:07:04,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 00:07:04,191 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 00:07:04,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-11-10 00:07:05,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 00:07:05,975 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 00:07:05,976 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-11-10 00:07:06,000 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a0184fa7/2fdcc021790245a98314473d5ffa4590/FLAGe6ea925b5 [2024-11-10 00:07:06,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a0184fa7/2fdcc021790245a98314473d5ffa4590 [2024-11-10 00:07:06,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 00:07:06,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 00:07:06,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 00:07:06,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 00:07:06,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 00:07:06,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:06,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589e9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06, skipping insertion in model container [2024-11-10 00:07:06,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:06,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 00:07:06,697 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.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[13490,13503] [2024-11-10 00:07:06,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:07:06,795 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 00:07:06,905 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.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[13490,13503] [2024-11-10 00:07:06,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:07:06,967 INFO L204 MainTranslator]: Completed translation [2024-11-10 00:07:06,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06 WrapperNode [2024-11-10 00:07:06,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 00:07:06,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 00:07:06,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 00:07:06,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 00:07:06,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:06,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:07,062 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1415 [2024-11-10 00:07:07,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 00:07:07,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 00:07:07,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 00:07:07,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 00:07:07,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:07,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:07,092 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:07,137 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 00:07:07,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:07,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:07,163 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:07,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:07,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:07,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:07,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 00:07:07,204 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 00:07:07,204 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 00:07:07,204 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 00:07:07,205 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06" (1/1) ... [2024-11-10 00:07:07,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:07:07,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:07:07,252 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 00:07:07,255 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 00:07:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 00:07:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 00:07:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 00:07:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 00:07:07,493 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 00:07:07,495 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 00:07:08,872 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L597: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:07:08,873 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L597: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:07:08,873 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L597: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:07:08,873 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L597: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:07:08,873 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L597: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:07:08,873 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L597: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:07:08,873 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L597: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:07:08,874 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L597: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:07:08,874 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L597: havoc main_~node4__newmax~0#1;havoc main_~node3__newmax~0#1; [2024-11-10 00:07:08,874 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:07:08,874 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:07:08,874 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:07:08,874 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:07:08,874 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:07:08,874 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:07:08,874 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:07:08,874 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:07:08,875 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:07:08,875 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:07:08,875 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:07:08,875 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:07:08,875 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:07:08,875 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:07:08,875 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:07:08,875 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:07:08,875 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:07:08,875 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:07:08,875 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:07:08,876 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:07:08,876 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:07:08,876 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505: havoc main_~node2__newmax~0#1;havoc main_~node1__newmax~0#1; [2024-11-10 00:07:08,876 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1376: havoc main_~node1____CPAchecker_TMP_2~0#1;havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,876 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1376: havoc main_~node1____CPAchecker_TMP_2~0#1;havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,877 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1376: havoc main_~node1____CPAchecker_TMP_2~0#1;havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,877 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1376: havoc main_~node1____CPAchecker_TMP_2~0#1;havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,877 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1211: havoc main_~node2____CPAchecker_TMP_2~0#1;havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,877 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1211: havoc main_~node2____CPAchecker_TMP_2~0#1;havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,877 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1211: havoc main_~node2____CPAchecker_TMP_2~0#1;havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,878 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1211: havoc main_~node2____CPAchecker_TMP_2~0#1;havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,878 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1046: havoc main_~node3____CPAchecker_TMP_2~0#1;havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,878 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1046: havoc main_~node3____CPAchecker_TMP_2~0#1;havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,878 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1046: havoc main_~node3____CPAchecker_TMP_2~0#1;havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,878 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1046: havoc main_~node3____CPAchecker_TMP_2~0#1;havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,878 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L881: havoc main_~node4____CPAchecker_TMP_2~0#1;havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,878 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L881: havoc main_~node4____CPAchecker_TMP_2~0#1;havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,879 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L881: havoc main_~node4____CPAchecker_TMP_2~0#1;havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,879 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L881: havoc main_~node4____CPAchecker_TMP_2~0#1;havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-10 00:07:08,879 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1350: havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:07:08,879 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1185: havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:07:08,879 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:07:08,880 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L855: havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-10 00:07:08,880 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 00:07:09,039 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2024-11-10 00:07:09,040 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 00:07:09,076 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 00:07:09,080 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 00:07:09,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:07:09 BoogieIcfgContainer [2024-11-10 00:07:09,081 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 00:07:09,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 00:07:09,083 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 00:07:09,088 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 00:07:09,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:07:06" (1/3) ... [2024-11-10 00:07:09,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c093f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:07:09, skipping insertion in model container [2024-11-10 00:07:09,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:06" (2/3) ... [2024-11-10 00:07:09,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c093f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:07:09, skipping insertion in model container [2024-11-10 00:07:09,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:07:09" (3/3) ... [2024-11-10 00:07:09,093 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-11-10 00:07:09,111 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 00:07:09,112 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 00:07:09,187 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 00:07:09,194 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;@6cbc1a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 00:07:09,194 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 00:07:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 414 states, 412 states have (on average 1.6359223300970873) internal successors, (674), 413 states have internal predecessors, (674), 0 states have call successors, (0), 0 states 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 00:07:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 00:07:09,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:09,222 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] [2024-11-10 00:07:09,223 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:09,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:09,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1665815717, now seen corresponding path program 1 times [2024-11-10 00:07:09,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:09,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549623025] [2024-11-10 00:07:09,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:09,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:09,955 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 00:07:09,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:09,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549623025] [2024-11-10 00:07:09,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549623025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:09,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:09,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:07:09,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435477871] [2024-11-10 00:07:09,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:09,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:07:09,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:09,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:07:09,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:07:09,994 INFO L87 Difference]: Start difference. First operand has 414 states, 412 states have (on average 1.6359223300970873) internal successors, (674), 413 states have internal predecessors, (674), 0 states have call successors, (0), 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 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states 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 00:07:10,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:10,173 INFO L93 Difference]: Finished difference Result 768 states and 1228 transitions. [2024-11-10 00:07:10,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:07:10,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2024-11-10 00:07:10,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:10,204 INFO L225 Difference]: With dead ends: 768 [2024-11-10 00:07:10,205 INFO L226 Difference]: Without dead ends: 577 [2024-11-10 00:07:10,209 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 00:07:10,217 INFO L432 NwaCegarLoop]: 668 mSDtfsCounter, 279 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 1273 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 00:07:10,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 1273 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:07:10,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-10 00:07:10,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 574. [2024-11-10 00:07:10,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 573 states have (on average 1.5514834205933683) internal successors, (889), 573 states have internal predecessors, (889), 0 states have call successors, (0), 0 states 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 00:07:10,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 889 transitions. [2024-11-10 00:07:10,325 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 889 transitions. Word has length 106 [2024-11-10 00:07:10,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:10,326 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 889 transitions. [2024-11-10 00:07:10,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states 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 00:07:10,327 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 889 transitions. [2024-11-10 00:07:10,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-10 00:07:10,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:10,335 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] [2024-11-10 00:07:10,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 00:07:10,336 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:10,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:10,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1750393078, now seen corresponding path program 1 times [2024-11-10 00:07:10,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:10,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988175111] [2024-11-10 00:07:10,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:10,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:10,626 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 00:07:10,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:10,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988175111] [2024-11-10 00:07:10,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988175111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:10,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:10,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:07:10,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141966249] [2024-11-10 00:07:10,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:10,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:07:10,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:10,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:07:10,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:07:10,634 INFO L87 Difference]: Start difference. First operand 574 states and 889 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:07:10,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:10,695 INFO L93 Difference]: Finished difference Result 1240 states and 1929 transitions. [2024-11-10 00:07:10,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:07:10,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2024-11-10 00:07:10,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:10,702 INFO L225 Difference]: With dead ends: 1240 [2024-11-10 00:07:10,702 INFO L226 Difference]: Without dead ends: 895 [2024-11-10 00:07:10,707 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 00:07:10,708 INFO L432 NwaCegarLoop]: 632 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, 1234 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 00:07:10,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 1234 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:07:10,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2024-11-10 00:07:10,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 891. [2024-11-10 00:07:10,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 891 states, 890 states have (on average 1.552808988764045) internal successors, (1382), 890 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states 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 00:07:10,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1382 transitions. [2024-11-10 00:07:10,764 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1382 transitions. Word has length 111 [2024-11-10 00:07:10,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:10,766 INFO L471 AbstractCegarLoop]: Abstraction has 891 states and 1382 transitions. [2024-11-10 00:07:10,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:07:10,766 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1382 transitions. [2024-11-10 00:07:10,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-10 00:07:10,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:10,769 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] [2024-11-10 00:07:10,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 00:07:10,770 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:10,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:10,772 INFO L85 PathProgramCache]: Analyzing trace with hash 2111012225, now seen corresponding path program 1 times [2024-11-10 00:07:10,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:10,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964053494] [2024-11-10 00:07:10,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:10,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:11,103 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 00:07:11,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:11,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964053494] [2024-11-10 00:07:11,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964053494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:11,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:11,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:07:11,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387832039] [2024-11-10 00:07:11,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:11,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:07:11,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:11,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:07:11,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:07:11,110 INFO L87 Difference]: Start difference. First operand 891 states and 1382 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states 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 00:07:11,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:11,168 INFO L93 Difference]: Finished difference Result 2167 states and 3368 transitions. [2024-11-10 00:07:11,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:07:11,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2024-11-10 00:07:11,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:11,177 INFO L225 Difference]: With dead ends: 2167 [2024-11-10 00:07:11,177 INFO L226 Difference]: Without dead ends: 1505 [2024-11-10 00:07:11,179 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 00:07:11,181 INFO L432 NwaCegarLoop]: 632 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, 1235 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 00:07:11,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 1235 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:07:11,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2024-11-10 00:07:11,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1499. [2024-11-10 00:07:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1499 states, 1498 states have (on average 1.5500667556742322) internal successors, (2322), 1498 states have internal predecessors, (2322), 0 states have call successors, (0), 0 states 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 00:07:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 2322 transitions. [2024-11-10 00:07:11,236 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 2322 transitions. Word has length 116 [2024-11-10 00:07:11,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:11,238 INFO L471 AbstractCegarLoop]: Abstraction has 1499 states and 2322 transitions. [2024-11-10 00:07:11,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states 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 00:07:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2322 transitions. [2024-11-10 00:07:11,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 00:07:11,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:11,242 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:07:11,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 00:07:11,243 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:11,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:11,244 INFO L85 PathProgramCache]: Analyzing trace with hash -2141478403, now seen corresponding path program 1 times [2024-11-10 00:07:11,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:11,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901666337] [2024-11-10 00:07:11,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:11,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:11,531 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 00:07:11,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:11,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901666337] [2024-11-10 00:07:11,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901666337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:11,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:11,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:07:11,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102521244] [2024-11-10 00:07:11,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:11,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:07:11,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:11,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:07:11,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:07:11,538 INFO L87 Difference]: Start difference. First operand 1499 states and 2322 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:07:11,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:11,628 INFO L93 Difference]: Finished difference Result 3943 states and 6108 transitions. [2024-11-10 00:07:11,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:07:11,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-11-10 00:07:11,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:11,644 INFO L225 Difference]: With dead ends: 3943 [2024-11-10 00:07:11,645 INFO L226 Difference]: Without dead ends: 2673 [2024-11-10 00:07:11,648 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 00:07:11,649 INFO L432 NwaCegarLoop]: 632 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, 1236 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 00:07:11,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1236 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:07:11,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2673 states. [2024-11-10 00:07:11,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2673 to 2663. [2024-11-10 00:07:11,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2662 states have (on average 1.5439519158527424) internal successors, (4110), 2662 states have internal predecessors, (4110), 0 states have call successors, (0), 0 states 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 00:07:11,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 4110 transitions. [2024-11-10 00:07:11,720 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 4110 transitions. Word has length 121 [2024-11-10 00:07:11,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:11,721 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 4110 transitions. [2024-11-10 00:07:11,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:07:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 4110 transitions. [2024-11-10 00:07:11,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-10 00:07:11,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:11,724 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] [2024-11-10 00:07:11,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 00:07:11,725 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:11,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:11,726 INFO L85 PathProgramCache]: Analyzing trace with hash -752887619, now seen corresponding path program 1 times [2024-11-10 00:07:11,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:11,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9304372] [2024-11-10 00:07:11,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:11,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:12,020 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 00:07:12,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:12,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9304372] [2024-11-10 00:07:12,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9304372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:12,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:12,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:07:12,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109577138] [2024-11-10 00:07:12,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:12,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 00:07:12,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:12,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 00:07:12,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 00:07:12,023 INFO L87 Difference]: Start difference. First operand 2663 states and 4110 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states 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 00:07:12,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:12,471 INFO L93 Difference]: Finished difference Result 13883 states and 21614 transitions. [2024-11-10 00:07:12,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:07:12,472 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2024-11-10 00:07:12,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:12,517 INFO L225 Difference]: With dead ends: 13883 [2024-11-10 00:07:12,521 INFO L226 Difference]: Without dead ends: 11449 [2024-11-10 00:07:12,534 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 00:07:12,537 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 2239 mSDsluCounter, 5608 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 6251 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 00:07:12,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2239 Valid, 6251 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:07:12,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11449 states. [2024-11-10 00:07:12,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11449 to 4900. [2024-11-10 00:07:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4900 states, 4899 states have (on average 1.5480710349050826) internal successors, (7584), 4899 states have internal predecessors, (7584), 0 states have call successors, (0), 0 states 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 00:07:12,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4900 states to 4900 states and 7584 transitions. [2024-11-10 00:07:12,736 INFO L78 Accepts]: Start accepts. Automaton has 4900 states and 7584 transitions. Word has length 126 [2024-11-10 00:07:12,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:12,737 INFO L471 AbstractCegarLoop]: Abstraction has 4900 states and 7584 transitions. [2024-11-10 00:07:12,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states 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 00:07:12,738 INFO L276 IsEmpty]: Start isEmpty. Operand 4900 states and 7584 transitions. [2024-11-10 00:07:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 00:07:12,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:12,741 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 00:07:12,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 00:07:12,741 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:12,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:12,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1889132652, now seen corresponding path program 1 times [2024-11-10 00:07:12,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:12,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765424543] [2024-11-10 00:07:12,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:12,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:12,994 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 00:07:12,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:12,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765424543] [2024-11-10 00:07:12,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765424543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:12,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:12,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:07:12,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97838967] [2024-11-10 00:07:12,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:12,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:07:12,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:12,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:07:12,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:07:12,998 INFO L87 Difference]: Start difference. First operand 4900 states and 7584 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 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 00:07:13,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:13,147 INFO L93 Difference]: Finished difference Result 14399 states and 22373 transitions. [2024-11-10 00:07:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:07:13,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 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 00:07:13,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:13,197 INFO L225 Difference]: With dead ends: 14399 [2024-11-10 00:07:13,198 INFO L226 Difference]: Without dead ends: 9728 [2024-11-10 00:07:13,210 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 00:07:13,213 INFO L432 NwaCegarLoop]: 640 mSDtfsCounter, 825 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 2124 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 00:07:13,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 2124 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:07:13,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9728 states. [2024-11-10 00:07:13,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9728 to 7297. [2024-11-10 00:07:13,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7297 states, 7296 states have (on average 1.5487938596491229) internal successors, (11300), 7296 states have internal predecessors, (11300), 0 states have call successors, (0), 0 states 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 00:07:13,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7297 states to 7297 states and 11300 transitions. [2024-11-10 00:07:13,427 INFO L78 Accepts]: Start accepts. Automaton has 7297 states and 11300 transitions. Word has length 128 [2024-11-10 00:07:13,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:13,428 INFO L471 AbstractCegarLoop]: Abstraction has 7297 states and 11300 transitions. [2024-11-10 00:07:13,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 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 00:07:13,428 INFO L276 IsEmpty]: Start isEmpty. Operand 7297 states and 11300 transitions. [2024-11-10 00:07:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 00:07:13,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:13,433 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] [2024-11-10 00:07:13,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 00:07:13,433 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:13,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:13,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1958921975, now seen corresponding path program 1 times [2024-11-10 00:07:13,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:13,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262425964] [2024-11-10 00:07:13,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:13,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:13,609 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 00:07:13,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:13,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262425964] [2024-11-10 00:07:13,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262425964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:13,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:13,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:07:13,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990355867] [2024-11-10 00:07:13,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:13,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:07:13,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:13,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:07:13,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:07:13,612 INFO L87 Difference]: Start difference. First operand 7297 states and 11300 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states 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 00:07:13,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:13,728 INFO L93 Difference]: Finished difference Result 16101 states and 24984 transitions. [2024-11-10 00:07:13,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:07:13,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2024-11-10 00:07:13,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:13,770 INFO L225 Difference]: With dead ends: 16101 [2024-11-10 00:07:13,772 INFO L226 Difference]: Without dead ends: 11149 [2024-11-10 00:07:13,786 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 00:07:13,787 INFO L432 NwaCegarLoop]: 850 mSDtfsCounter, 260 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 1436 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 00:07:13,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 1436 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:07:13,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11149 states. [2024-11-10 00:07:13,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11149 to 11147. [2024-11-10 00:07:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11147 states, 11146 states have (on average 1.5454871702853041) internal successors, (17226), 11146 states have internal predecessors, (17226), 0 states have call successors, (0), 0 states 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 00:07:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11147 states to 11147 states and 17226 transitions. [2024-11-10 00:07:14,154 INFO L78 Accepts]: Start accepts. Automaton has 11147 states and 17226 transitions. Word has length 130 [2024-11-10 00:07:14,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:14,154 INFO L471 AbstractCegarLoop]: Abstraction has 11147 states and 17226 transitions. [2024-11-10 00:07:14,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states 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 00:07:14,155 INFO L276 IsEmpty]: Start isEmpty. Operand 11147 states and 17226 transitions. [2024-11-10 00:07:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 00:07:14,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:14,167 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] [2024-11-10 00:07:14,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 00:07:14,168 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:14,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:14,169 INFO L85 PathProgramCache]: Analyzing trace with hash 376480108, now seen corresponding path program 1 times [2024-11-10 00:07:14,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:14,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129684013] [2024-11-10 00:07:14,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:14,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:14,343 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 00:07:14,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:14,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129684013] [2024-11-10 00:07:14,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129684013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:14,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:14,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:07:14,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575663964] [2024-11-10 00:07:14,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:14,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:07:14,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:14,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:07:14,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:07:14,350 INFO L87 Difference]: Start difference. First operand 11147 states and 17226 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states 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 00:07:14,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:14,479 INFO L93 Difference]: Finished difference Result 21528 states and 33282 transitions. [2024-11-10 00:07:14,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:07:14,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2024-11-10 00:07:14,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:14,516 INFO L225 Difference]: With dead ends: 21528 [2024-11-10 00:07:14,516 INFO L226 Difference]: Without dead ends: 15629 [2024-11-10 00:07:14,532 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 00:07:14,534 INFO L432 NwaCegarLoop]: 823 mSDtfsCounter, 251 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1410 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 00:07:14,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1410 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:07:14,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15629 states. [2024-11-10 00:07:14,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15629 to 15627. [2024-11-10 00:07:14,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15627 states, 15626 states have (on average 1.5403814155894022) internal successors, (24070), 15626 states have internal predecessors, (24070), 0 states have call successors, (0), 0 states 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 00:07:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15627 states to 15627 states and 24070 transitions. [2024-11-10 00:07:14,885 INFO L78 Accepts]: Start accepts. Automaton has 15627 states and 24070 transitions. Word has length 130 [2024-11-10 00:07:14,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:14,885 INFO L471 AbstractCegarLoop]: Abstraction has 15627 states and 24070 transitions. [2024-11-10 00:07:14,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states 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 00:07:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 15627 states and 24070 transitions. [2024-11-10 00:07:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 00:07:14,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:14,888 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] [2024-11-10 00:07:14,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 00:07:14,888 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:14,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:14,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1287012809, now seen corresponding path program 1 times [2024-11-10 00:07:14,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:14,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093215891] [2024-11-10 00:07:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:14,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:15,032 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 00:07:15,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:15,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093215891] [2024-11-10 00:07:15,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093215891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:15,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:15,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:07:15,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587017648] [2024-11-10 00:07:15,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:15,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:07:15,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:15,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:07:15,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:07:15,035 INFO L87 Difference]: Start difference. First operand 15627 states and 24070 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states 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 00:07:15,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:15,291 INFO L93 Difference]: Finished difference Result 30004 states and 46234 transitions. [2024-11-10 00:07:15,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:07:15,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2024-11-10 00:07:15,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:15,338 INFO L225 Difference]: With dead ends: 30004 [2024-11-10 00:07:15,339 INFO L226 Difference]: Without dead ends: 21747 [2024-11-10 00:07:15,357 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 00:07:15,358 INFO L432 NwaCegarLoop]: 787 mSDtfsCounter, 242 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1375 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 00:07:15,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1375 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:07:15,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21747 states. [2024-11-10 00:07:15,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21747 to 21745. [2024-11-10 00:07:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21745 states, 21744 states have (on average 1.5345842531272995) internal successors, (33368), 21744 states have internal predecessors, (33368), 0 states have call successors, (0), 0 states 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 00:07:15,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21745 states to 21745 states and 33368 transitions. [2024-11-10 00:07:15,760 INFO L78 Accepts]: Start accepts. Automaton has 21745 states and 33368 transitions. Word has length 130 [2024-11-10 00:07:15,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:15,760 INFO L471 AbstractCegarLoop]: Abstraction has 21745 states and 33368 transitions. [2024-11-10 00:07:15,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states 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 00:07:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 21745 states and 33368 transitions. [2024-11-10 00:07:15,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 00:07:15,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:15,763 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] [2024-11-10 00:07:15,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 00:07:15,763 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:15,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:15,764 INFO L85 PathProgramCache]: Analyzing trace with hash -283439892, now seen corresponding path program 1 times [2024-11-10 00:07:15,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:15,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449540854] [2024-11-10 00:07:15,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:15,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:16,081 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 00:07:16,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:16,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449540854] [2024-11-10 00:07:16,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449540854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:16,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:16,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:07:16,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455267393] [2024-11-10 00:07:16,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:16,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:07:16,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:16,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:07:16,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:07:16,084 INFO L87 Difference]: Start difference. First operand 21745 states and 33368 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states 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 00:07:16,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:16,274 INFO L93 Difference]: Finished difference Result 41526 states and 63744 transitions. [2024-11-10 00:07:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:07:16,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2024-11-10 00:07:16,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:16,346 INFO L225 Difference]: With dead ends: 41526 [2024-11-10 00:07:16,346 INFO L226 Difference]: Without dead ends: 30027 [2024-11-10 00:07:16,377 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 00:07:16,378 INFO L432 NwaCegarLoop]: 751 mSDtfsCounter, 233 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 1340 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 00:07:16,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 1340 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:07:16,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30027 states. [2024-11-10 00:07:16,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30027 to 30025. [2024-11-10 00:07:16,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30025 states, 30024 states have (on average 1.5278443911537436) internal successors, (45872), 30024 states have internal predecessors, (45872), 0 states have call successors, (0), 0 states 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 00:07:16,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30025 states to 30025 states and 45872 transitions. [2024-11-10 00:07:16,929 INFO L78 Accepts]: Start accepts. Automaton has 30025 states and 45872 transitions. Word has length 130 [2024-11-10 00:07:16,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:16,930 INFO L471 AbstractCegarLoop]: Abstraction has 30025 states and 45872 transitions. [2024-11-10 00:07:16,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states 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 00:07:16,931 INFO L276 IsEmpty]: Start isEmpty. Operand 30025 states and 45872 transitions. [2024-11-10 00:07:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 00:07:17,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:17,028 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] [2024-11-10 00:07:17,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 00:07:17,028 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:17,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:17,028 INFO L85 PathProgramCache]: Analyzing trace with hash -602119454, now seen corresponding path program 1 times [2024-11-10 00:07:17,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:17,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634623422] [2024-11-10 00:07:17,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:17,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:17,248 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 00:07:17,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:17,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634623422] [2024-11-10 00:07:17,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634623422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:17,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:17,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:07:17,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354330267] [2024-11-10 00:07:17,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:17,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:07:17,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:17,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:07:17,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:07:17,251 INFO L87 Difference]: Start difference. First operand 30025 states and 45872 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states 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 00:07:17,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:17,733 INFO L93 Difference]: Finished difference Result 97883 states and 149689 transitions. [2024-11-10 00:07:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:07:17,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2024-11-10 00:07:17,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:17,907 INFO L225 Difference]: With dead ends: 97883 [2024-11-10 00:07:17,908 INFO L226 Difference]: Without dead ends: 68161 [2024-11-10 00:07:17,960 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 00:07:17,962 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 825 mSDsluCounter, 1486 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 2110 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 00:07:17,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 2110 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:07:18,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68161 states. [2024-11-10 00:07:18,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68161 to 49004. [2024-11-10 00:07:18,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49004 states, 49003 states have (on average 1.5231312368630492) internal successors, (74638), 49003 states have internal predecessors, (74638), 0 states have call successors, (0), 0 states 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 00:07:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49004 states to 49004 states and 74638 transitions. [2024-11-10 00:07:18,988 INFO L78 Accepts]: Start accepts. Automaton has 49004 states and 74638 transitions. Word has length 130 [2024-11-10 00:07:18,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:18,991 INFO L471 AbstractCegarLoop]: Abstraction has 49004 states and 74638 transitions. [2024-11-10 00:07:18,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states 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 00:07:18,991 INFO L276 IsEmpty]: Start isEmpty. Operand 49004 states and 74638 transitions. [2024-11-10 00:07:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-10 00:07:18,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:18,993 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] [2024-11-10 00:07:18,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 00:07:18,994 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:18,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:18,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1748799023, now seen corresponding path program 1 times [2024-11-10 00:07:18,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:18,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714108581] [2024-11-10 00:07:18,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:18,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:19,418 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 00:07:19,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:19,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714108581] [2024-11-10 00:07:19,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714108581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:19,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:19,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:07:19,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51273054] [2024-11-10 00:07:19,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:19,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:07:19,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:19,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:07:19,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:07:19,430 INFO L87 Difference]: Start difference. First operand 49004 states and 74638 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states 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 00:07:20,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:20,275 INFO L93 Difference]: Finished difference Result 159045 states and 242465 transitions. [2024-11-10 00:07:20,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:07:20,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2024-11-10 00:07:20,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:20,814 INFO L225 Difference]: With dead ends: 159045 [2024-11-10 00:07:20,815 INFO L226 Difference]: Without dead ends: 110344 [2024-11-10 00:07:20,901 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 00:07:20,902 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 823 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 2112 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 00:07:20,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 2112 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:07:20,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110344 states. [2024-11-10 00:07:22,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110344 to 79531. [2024-11-10 00:07:22,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79531 states, 79530 states have (on average 1.5183704262542437) internal successors, (120756), 79530 states have internal predecessors, (120756), 0 states have call successors, (0), 0 states 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 00:07:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79531 states to 79531 states and 120756 transitions. [2024-11-10 00:07:22,572 INFO L78 Accepts]: Start accepts. Automaton has 79531 states and 120756 transitions. Word has length 132 [2024-11-10 00:07:22,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:22,574 INFO L471 AbstractCegarLoop]: Abstraction has 79531 states and 120756 transitions. [2024-11-10 00:07:22,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states 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 00:07:22,574 INFO L276 IsEmpty]: Start isEmpty. Operand 79531 states and 120756 transitions. [2024-11-10 00:07:22,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-10 00:07:22,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:22,584 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] [2024-11-10 00:07:22,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 00:07:22,585 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:22,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:22,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1473990279, now seen corresponding path program 1 times [2024-11-10 00:07:22,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:22,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471897197] [2024-11-10 00:07:22,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:22,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:22,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:07:22,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:22,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471897197] [2024-11-10 00:07:22,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471897197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:22,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:22,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:07:22,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924453776] [2024-11-10 00:07:22,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:22,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:07:22,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:22,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:07:22,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:07:22,819 INFO L87 Difference]: Start difference. First operand 79531 states and 120756 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states 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 00:07:24,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:24,067 INFO L93 Difference]: Finished difference Result 255207 states and 387841 transitions. [2024-11-10 00:07:24,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:07:24,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2024-11-10 00:07:24,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:24,550 INFO L225 Difference]: With dead ends: 255207 [2024-11-10 00:07:24,550 INFO L226 Difference]: Without dead ends: 175979 [2024-11-10 00:07:24,683 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 00:07:24,684 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 821 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 2114 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 00:07:24,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 2114 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:07:24,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175979 states. [2024-11-10 00:07:26,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175979 to 127530. [2024-11-10 00:07:26,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127530 states, 127529 states have (on average 1.513647876169342) internal successors, (193034), 127529 states have internal predecessors, (193034), 0 states have call successors, (0), 0 states 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 00:07:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127530 states to 127530 states and 193034 transitions. [2024-11-10 00:07:27,646 INFO L78 Accepts]: Start accepts. Automaton has 127530 states and 193034 transitions. Word has length 134 [2024-11-10 00:07:27,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:27,646 INFO L471 AbstractCegarLoop]: Abstraction has 127530 states and 193034 transitions. [2024-11-10 00:07:27,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states 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 00:07:27,646 INFO L276 IsEmpty]: Start isEmpty. Operand 127530 states and 193034 transitions. [2024-11-10 00:07:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-10 00:07:27,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:27,647 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] [2024-11-10 00:07:27,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 00:07:27,648 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:27,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:27,648 INFO L85 PathProgramCache]: Analyzing trace with hash -221406560, now seen corresponding path program 1 times [2024-11-10 00:07:27,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:27,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131277470] [2024-11-10 00:07:27,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:27,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:28,061 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 00:07:28,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:28,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131277470] [2024-11-10 00:07:28,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131277470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:28,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:28,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:07:28,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441080519] [2024-11-10 00:07:28,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:28,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 00:07:28,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:28,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 00:07:28,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 00:07:28,064 INFO L87 Difference]: Start difference. First operand 127530 states and 193034 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states 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 00:07:29,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:29,483 INFO L93 Difference]: Finished difference Result 254759 states and 385610 transitions. [2024-11-10 00:07:29,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 00:07:29,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2024-11-10 00:07:29,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:29,699 INFO L225 Difference]: With dead ends: 254759 [2024-11-10 00:07:29,700 INFO L226 Difference]: Without dead ends: 127532 [2024-11-10 00:07:29,788 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 00:07:29,789 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 475 mSDsluCounter, 1794 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:07:29,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 2427 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:07:29,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127532 states. [2024-11-10 00:07:31,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127532 to 127530. [2024-11-10 00:07:31,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127530 states, 127529 states have (on average 1.5087470300872743) internal successors, (192409), 127529 states have internal predecessors, (192409), 0 states have call successors, (0), 0 states 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 00:07:32,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127530 states to 127530 states and 192409 transitions. [2024-11-10 00:07:32,551 INFO L78 Accepts]: Start accepts. Automaton has 127530 states and 192409 transitions. Word has length 137 [2024-11-10 00:07:32,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:32,551 INFO L471 AbstractCegarLoop]: Abstraction has 127530 states and 192409 transitions. [2024-11-10 00:07:32,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states 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 00:07:32,552 INFO L276 IsEmpty]: Start isEmpty. Operand 127530 states and 192409 transitions. [2024-11-10 00:07:32,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 00:07:32,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:32,552 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 00:07:32,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 00:07:32,553 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:32,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:32,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1672443004, now seen corresponding path program 1 times [2024-11-10 00:07:32,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:32,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501396312] [2024-11-10 00:07:32,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:32,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:33,018 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 00:07:33,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:33,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501396312] [2024-11-10 00:07:33,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501396312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:33,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:33,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:07:33,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365668191] [2024-11-10 00:07:33,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:33,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 00:07:33,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:33,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 00:07:33,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 00:07:33,022 INFO L87 Difference]: Start difference. First operand 127530 states and 192409 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 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 00:07:34,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:34,761 INFO L93 Difference]: Finished difference Result 372645 states and 562758 transitions. [2024-11-10 00:07:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 00:07:34,762 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 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 00:07:34,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:35,238 INFO L225 Difference]: With dead ends: 372645 [2024-11-10 00:07:35,239 INFO L226 Difference]: Without dead ends: 245418 [2024-11-10 00:07:35,341 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 00:07:35,342 INFO L432 NwaCegarLoop]: 622 mSDtfsCounter, 931 mSDsluCounter, 1812 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 2434 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 00:07:35,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 2434 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:07:35,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245418 states. [2024-11-10 00:07:39,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245418 to 245416. [2024-11-10 00:07:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245416 states, 245415 states have (on average 1.50271988264776) internal successors, (368790), 245415 states have internal predecessors, (368790), 0 states have call successors, (0), 0 states 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 00:07:40,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245416 states to 245416 states and 368790 transitions. [2024-11-10 00:07:40,240 INFO L78 Accepts]: Start accepts. Automaton has 245416 states and 368790 transitions. Word has length 144 [2024-11-10 00:07:40,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:40,241 INFO L471 AbstractCegarLoop]: Abstraction has 245416 states and 368790 transitions. [2024-11-10 00:07:40,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 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 00:07:40,241 INFO L276 IsEmpty]: Start isEmpty. Operand 245416 states and 368790 transitions. [2024-11-10 00:07:40,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-10 00:07:40,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:40,243 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] [2024-11-10 00:07:40,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 00:07:40,243 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:40,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:40,244 INFO L85 PathProgramCache]: Analyzing trace with hash -50545290, now seen corresponding path program 1 times [2024-11-10 00:07:40,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:40,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822756859] [2024-11-10 00:07:40,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:40,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:40,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:07:40,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:40,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822756859] [2024-11-10 00:07:40,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822756859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:40,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:40,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:07:40,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551359772] [2024-11-10 00:07:40,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:40,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:07:40,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:40,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:07:40,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:07:40,912 INFO L87 Difference]: Start difference. First operand 245416 states and 368790 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states 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 00:07:42,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:42,490 INFO L93 Difference]: Finished difference Result 264320 states and 389629 transitions. [2024-11-10 00:07:42,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:07:42,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2024-11-10 00:07:42,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:42,991 INFO L225 Difference]: With dead ends: 264320 [2024-11-10 00:07:42,992 INFO L226 Difference]: Without dead ends: 264318 [2024-11-10 00:07:43,103 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 00:07:43,104 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 0 mSDsluCounter, 1879 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2511 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 00:07:43,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2511 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:07:43,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264318 states. [2024-11-10 00:07:47,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264318 to 264318. [2024-11-10 00:07:47,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264318 states, 264317 states have (on average 1.4666669188890613) internal successors, (387665), 264317 states have internal predecessors, (387665), 0 states have call successors, (0), 0 states 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 00:07:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264318 states to 264318 states and 387665 transitions. [2024-11-10 00:07:48,353 INFO L78 Accepts]: Start accepts. Automaton has 264318 states and 387665 transitions. Word has length 147 [2024-11-10 00:07:48,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:07:48,354 INFO L471 AbstractCegarLoop]: Abstraction has 264318 states and 387665 transitions. [2024-11-10 00:07:48,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states 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 00:07:48,354 INFO L276 IsEmpty]: Start isEmpty. Operand 264318 states and 387665 transitions. [2024-11-10 00:07:48,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-10 00:07:48,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:07:48,361 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] [2024-11-10 00:07:48,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 00:07:48,361 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:07:48,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:07:48,361 INFO L85 PathProgramCache]: Analyzing trace with hash 344320174, now seen corresponding path program 1 times [2024-11-10 00:07:48,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:07:48,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727954157] [2024-11-10 00:07:48,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:07:48,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:07:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:07:48,665 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 00:07:48,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:07:48,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727954157] [2024-11-10 00:07:48,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727954157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:07:48,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:07:48,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:07:48,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034115322] [2024-11-10 00:07:48,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:07:48,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 00:07:48,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:07:48,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 00:07:48,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 00:07:48,669 INFO L87 Difference]: Start difference. First operand 264318 states and 387665 transitions. Second operand has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 0 states have call successors, (0), 0 states 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 00:07:53,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:07:53,159 INFO L93 Difference]: Finished difference Result 725380 states and 1064516 transitions. [2024-11-10 00:07:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 00:07:53,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 0 states have call successors, (0), 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 191 [2024-11-10 00:07:53,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:07:54,602 INFO L225 Difference]: With dead ends: 725380 [2024-11-10 00:07:54,602 INFO L226 Difference]: Without dead ends: 605978 [2024-11-10 00:07:54,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-10 00:07:54,819 INFO L432 NwaCegarLoop]: 912 mSDtfsCounter, 1639 mSDsluCounter, 3195 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 4107 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:07:54,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 4107 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:07:55,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605978 states. [2024-11-10 00:08:02,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605978 to 426190. [2024-11-10 00:08:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426190 states, 426189 states have (on average 1.4641227248943545) internal successors, (623993), 426189 states have internal predecessors, (623993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)