./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+lhb-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 1a76dc897aa0702a7581955a590e68a0e3d7c15bffbb5939a80772bf70ad5d7a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 06:18:45,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 06:18:45,836 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 06:18:45,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 06:18:45,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 06:18:45,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 06:18:45,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 06:18:45,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 06:18:45,870 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 06:18:45,870 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 06:18:45,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 06:18:45,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 06:18:45,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 06:18:45,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 06:18:45,872 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 06:18:45,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 06:18:45,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 06:18:45,872 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 06:18:45,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 06:18:45,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 06:18:45,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 06:18:45,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 06:18:45,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 06:18:45,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 06:18:45,873 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 06:18:45,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 06:18:45,873 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 06:18:45,873 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 06:18:45,873 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 06:18:45,873 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 06:18:45,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 06:18:45,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 06:18:45,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 06:18:45,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 06:18:45,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 06:18:45,874 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 06:18:45,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 06:18:45,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 06:18:45,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 06:18:45,875 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 06:18:45,875 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 06:18:45,875 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 06:18:45,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 06:18:45,875 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 1a76dc897aa0702a7581955a590e68a0e3d7c15bffbb5939a80772bf70ad5d7a [2025-03-08 06:18:46,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 06:18:46,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 06:18:46,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 06:18:46,129 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 06:18:46,129 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 06:18:46,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2025-03-08 06:18:47,307 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a51586dd/85b598bdbc72449fbec91e4e58cc18f7/FLAG1ae974400 [2025-03-08 06:18:47,618 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 06:18:47,621 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2025-03-08 06:18:47,642 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a51586dd/85b598bdbc72449fbec91e4e58cc18f7/FLAG1ae974400 [2025-03-08 06:18:47,861 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a51586dd/85b598bdbc72449fbec91e4e58cc18f7 [2025-03-08 06:18:47,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 06:18:47,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 06:18:47,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 06:18:47,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 06:18:47,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 06:18:47,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:18:47" (1/1) ... [2025-03-08 06:18:47,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@352927e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:47, skipping insertion in model container [2025-03-08 06:18:47,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:18:47" (1/1) ... [2025-03-08 06:18:47,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 06:18:48,177 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[10634,10647] [2025-03-08 06:18:48,279 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[25860,25873] [2025-03-08 06:18:48,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 06:18:48,445 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 06:18:48,489 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[10634,10647] [2025-03-08 06:18:48,521 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[25860,25873] [2025-03-08 06:18:48,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 06:18:48,620 INFO L204 MainTranslator]: Completed translation [2025-03-08 06:18:48,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48 WrapperNode [2025-03-08 06:18:48,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 06:18:48,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 06:18:48,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 06:18:48,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 06:18:48,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48" (1/1) ... [2025-03-08 06:18:48,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48" (1/1) ... [2025-03-08 06:18:48,735 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3884 [2025-03-08 06:18:48,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 06:18:48,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 06:18:48,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 06:18:48,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 06:18:48,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48" (1/1) ... [2025-03-08 06:18:48,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48" (1/1) ... [2025-03-08 06:18:48,754 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48" (1/1) ... [2025-03-08 06:18:48,795 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]. [2025-03-08 06:18:48,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48" (1/1) ... [2025-03-08 06:18:48,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48" (1/1) ... [2025-03-08 06:18:48,836 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48" (1/1) ... [2025-03-08 06:18:48,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48" (1/1) ... [2025-03-08 06:18:48,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48" (1/1) ... [2025-03-08 06:18:48,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48" (1/1) ... [2025-03-08 06:18:48,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 06:18:48,864 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 06:18:48,864 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 06:18:48,864 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 06:18:48,865 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48" (1/1) ... [2025-03-08 06:18:48,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 06:18:48,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:18:48,891 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) [2025-03-08 06:18:48,895 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 [2025-03-08 06:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 06:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 06:18:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 06:18:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 06:18:49,088 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 06:18:49,090 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 06:18:50,835 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5850: havoc main_~node4__m4~31#1;havoc main_~node3____CPAchecker_TMP_1~6#1; [2025-03-08 06:18:50,836 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5983: havoc main_~main____CPAchecker_TMP_0~47#1;havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~59#1; [2025-03-08 06:18:50,836 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3935: havoc main_~main____CPAchecker_TMP_0~24#1;havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~36#1;havoc main_~node4____CPAchecker_TMP_0~12#1; [2025-03-08 06:18:50,836 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2482: havoc main_~node4__m4~12#1; [2025-03-08 06:18:50,836 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4795: havoc main_~node3____CPAchecker_TMP_0~5#1; [2025-03-08 06:18:50,836 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4663: havoc main_~main____CPAchecker_TMP_0~32#1;havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~44#1;havoc main_~node4____CPAchecker_TMP_0~16#1; [2025-03-08 06:18:50,836 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2615: havoc main_~main____CPAchecker_TMP_0~9#1;havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~21#1; [2025-03-08 06:18:50,836 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1757: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~12#1; [2025-03-08 06:18:50,836 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5391: havoc main_~node4____CPAchecker_TMP_1~20#1; [2025-03-08 06:18:50,837 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4070: havoc main_~node2__m2~4#1; [2025-03-08 06:18:50,837 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L503: havoc main_~node4__m4~2#1; [2025-03-08 06:18:50,837 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2223: havoc main_~node4____CPAchecker_TMP_1~2#1; [2025-03-08 06:18:50,837 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2752: havoc main_~node4____CPAchecker_TMP_1~5#1; [2025-03-08 06:18:50,837 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2885: havoc main_~main____CPAchecker_TMP_0~12#1;havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~24#1;havoc main_~node4____CPAchecker_TMP_0~6#1; [2025-03-08 06:18:50,837 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L705: havoc main_~node3____CPAchecker_TMP_0~1#1; [2025-03-08 06:18:50,837 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5595: havoc main_~node4____CPAchecker_TMP_1~21#1; [2025-03-08 06:18:50,837 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3547: havoc main_~node4__m4~18#1; [2025-03-08 06:18:50,837 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3680: havoc main_~main____CPAchecker_TMP_0~21#1;havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~33#1; [2025-03-08 06:18:50,837 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5728: havoc main_~main____CPAchecker_TMP_0~44#1;havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~56#1;havoc main_~node4____CPAchecker_TMP_0~22#1; [2025-03-08 06:18:50,838 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1434: havoc main_~node2__m2~3#1; [2025-03-08 06:18:50,838 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4275: havoc main_~node4__m4~22#1; [2025-03-08 06:18:50,838 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4804: havoc main_~node4__m4~25#1; [2025-03-08 06:18:50,838 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2360: havoc main_~main____CPAchecker_TMP_0~6#1;havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~18#1;havoc main_~node4____CPAchecker_TMP_0~3#1; [2025-03-08 06:18:50,838 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4408: havoc main_~main____CPAchecker_TMP_0~29#1;havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~41#1; [2025-03-08 06:18:50,838 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4937: havoc main_~main____CPAchecker_TMP_0~35#1;havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~47#1; [2025-03-08 06:18:50,838 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1502: havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~9#1; [2025-03-08 06:18:50,838 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L379: havoc main_~node3__m3~1#1; [2025-03-08 06:18:50,838 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3088: havoc main_~node4____CPAchecker_TMP_1~7#1; [2025-03-08 06:18:50,838 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1173: havoc main_~node4__m4~4#1; [2025-03-08 06:18:50,839 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4080: havoc main_~node2____CPAchecker_TMP_0~2#1; [2025-03-08 06:18:50,839 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L249: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2025-03-08 06:18:50,839 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5931: havoc main_~node4____CPAchecker_TMP_1~23#1; [2025-03-08 06:18:50,839 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L448: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2025-03-08 06:18:50,839 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1043: havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2025-03-08 06:18:50,839 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1704: havoc main_~node3__m3~5#1; [2025-03-08 06:18:50,839 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L647: havoc main_~node4____CPAchecker_TMP_1~0#1; [2025-03-08 06:18:50,839 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2563: havoc main_~node4____CPAchecker_TMP_1~4#1; [2025-03-08 06:18:50,839 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5140: havoc main_~node4__m4~27#1;havoc main_~node3____CPAchecker_TMP_1~5#1; [2025-03-08 06:18:50,839 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3225: havoc main_~main____CPAchecker_TMP_0~16#1;havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~28#1;havoc main_~node4____CPAchecker_TMP_0~8#1; [2025-03-08 06:18:50,839 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5273: havoc main_~main____CPAchecker_TMP_0~39#1;havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~51#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3887: havoc main_~node4__m4~20#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4020: havoc main_~main____CPAchecker_TMP_0~25#1;havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~37#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6068: havoc main_~main____CPAchecker_TMP_0~48#1;havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~60#1;havoc main_~node4____CPAchecker_TMP_0~24#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4615: havoc main_~node4__m4~24#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4748: havoc main_~main____CPAchecker_TMP_0~33#1;havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~45#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1908: havoc main_~check__tmp~14#1;havoc main_~node4__m4~9#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3362: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1248: havoc main_~check__tmp~7#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3429: havoc main_~main____CPAchecker_TMP_0~18#1;havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~30#1;havoc main_~node4____CPAchecker_TMP_0~9#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4090: havoc main_~node3__m3~8#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3628: havoc main_~node4____CPAchecker_TMP_1~10#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L259: havoc main_~node2____CPAchecker_TMP_0~0#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2109: havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~15#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4157: havoc main_~main____CPAchecker_TMP_0~26#1;havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~38#1;havoc main_~node4____CPAchecker_TMP_0~13#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4356: havoc main_~node4____CPAchecker_TMP_1~14#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2837: havoc main_~node4__m4~14#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4885: havoc main_~node4____CPAchecker_TMP_1~17#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5018: havoc main_~main____CPAchecker_TMP_0~36#1;havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~48#1;havoc main_~node4____CPAchecker_TMP_0~18#1; [2025-03-08 06:18:50,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2970: havoc main_~main____CPAchecker_TMP_0~13#1;havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~25#1; [2025-03-08 06:18:50,841 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1451: havoc main_~node3__m3~4#1; [2025-03-08 06:18:50,841 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L791: havoc main_~node2____CPAchecker_TMP_0~1#1; [2025-03-08 06:18:50,841 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5680: havoc main_~node4__m4~30#1; [2025-03-08 06:18:50,841 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1320: havoc main_~check__tmp~8#1;havoc main_~node4__m4~5#1; [2025-03-08 06:18:50,841 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3765: havoc main_~main____CPAchecker_TMP_0~22#1;havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~34#1;havoc main_~node4____CPAchecker_TMP_0~11#1; [2025-03-08 06:18:50,841 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5813: havoc main_~main____CPAchecker_TMP_0~45#1;havoc main_~__tmp_51~0#1, main_~assert__arg~50#1;havoc main_~check__tmp~57#1; [2025-03-08 06:18:50,841 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L396: havoc main_~node4__m4~1#1; [2025-03-08 06:18:50,841 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2312: havoc main_~node4__m4~11#1;havoc main_~node3____CPAchecker_TMP_1~1#1; [2025-03-08 06:18:50,841 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2445: havoc main_~main____CPAchecker_TMP_0~7#1;havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~19#1; [2025-03-08 06:18:50,841 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4493: havoc main_~main____CPAchecker_TMP_0~30#1;havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~42#1;havoc main_~node4____CPAchecker_TMP_0~15#1; [2025-03-08 06:18:50,841 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5221: havoc main_~node4____CPAchecker_TMP_1~19#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3372: havoc main_~node3____CPAchecker_TMP_0~3#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1721: havoc main_~node4__m4~8#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4100: havoc main_~node3____CPAchecker_TMP_0~4#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3968: havoc main_~node4____CPAchecker_TMP_1~12#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L467: havoc main_~node2__m2~2#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L269: havoc main_~node3__m3~0#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4696: havoc main_~node4____CPAchecker_TMP_1~16#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3177: havoc main_~node4__m4~16#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1790: havoc main_~check__tmp~13#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: havoc main_~node3____CPAchecker_TMP_1~0#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5358: havoc main_~main____CPAchecker_TMP_0~40#1;havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~52#1;havoc main_~node4____CPAchecker_TMP_0~20#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3310: havoc main_~main____CPAchecker_TMP_0~17#1;havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~29#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6020: havoc main_~node4__m4~32#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2057: havoc main_~node4____CPAchecker_TMP_1~1#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6153: havoc main_~main____CPAchecker_TMP_0~49#1;havoc main_~__tmp_55~0#1, main_~assert__arg~54#1;havoc main_~check__tmp~61#1; [2025-03-08 06:18:50,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2652: havoc main_~node3__m3~6#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2190: havoc main_~main____CPAchecker_TMP_0~4#1;havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~16#1;havoc main_~node4____CPAchecker_TMP_0~2#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2719: havoc main_~main____CPAchecker_TMP_0~10#1;havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~22#1;havoc main_~node4____CPAchecker_TMP_0~5#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2918: havoc main_~node4____CPAchecker_TMP_1~6#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5495: havoc main_~node3__m3~10#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3381: havoc main_~node4__m4~17#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5562: havoc main_~main____CPAchecker_TMP_0~42#1;havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~54#1;havoc main_~node4____CPAchecker_TMP_0~21#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3514: havoc main_~main____CPAchecker_TMP_0~19#1;havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~31#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4109: havoc main_~node4__m4~21#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5761: havoc main_~node4____CPAchecker_TMP_1~22#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L344: havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1;havoc main_~node4____CPAchecker_TMP_0~0#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4242: havoc main_~main____CPAchecker_TMP_0~27#1;havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~39#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1468: havoc main_~node4__m4~6#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2393: havoc main_~node4____CPAchecker_TMP_1~3#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L279: havoc main_~node3____CPAchecker_TMP_0~0#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4970: havoc main_~node4__m4~26#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5103: havoc main_~main____CPAchecker_TMP_0~37#1;havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~49#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3055: havoc main_~main____CPAchecker_TMP_0~14#1;havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~26#1;havoc main_~node4____CPAchecker_TMP_0~7#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3717: havoc main_~node4__m4~19#1;havoc main_~node3____CPAchecker_TMP_1~3#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1207: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~6#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1009: havoc main_~node4__m4~3#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L877: havoc main_~node1____CPAchecker_TMP_0~1#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5898: havoc main_~main____CPAchecker_TMP_0~46#1;havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~58#1;havoc main_~node4____CPAchecker_TMP_0~23#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3850: havoc main_~main____CPAchecker_TMP_0~23#1;havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~35#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4445: havoc main_~node4__m4~23#1;havoc main_~node3____CPAchecker_TMP_1~4#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2662: havoc main_~node3____CPAchecker_TMP_0~2#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4578: havoc main_~main____CPAchecker_TMP_0~31#1;havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~43#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2530: havoc main_~main____CPAchecker_TMP_0~8#1;havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~20#1;havoc main_~node4____CPAchecker_TMP_0~4#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3258: havoc main_~node4____CPAchecker_TMP_1~8#1; [2025-03-08 06:18:50,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5505: havoc main_~node3____CPAchecker_TMP_0~6#1; [2025-03-08 06:18:50,844 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L485: havoc main_~node3__m3~2#1; [2025-03-08 06:18:50,844 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6101: havoc main_~node4____CPAchecker_TMP_1~24#1; [2025-03-08 06:18:50,844 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1543: havoc main_~check__tmp~10#1; [2025-03-08 06:18:50,844 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L288: havoc main_~node4__m4~0#1; [2025-03-08 06:18:50,844 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L619: havoc main_~node4____CPAchecker_TMP_0~1#1; [2025-03-08 06:18:50,844 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5310: havoc main_~node4__m4~28#1; [2025-03-08 06:18:50,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5443: havoc main_~main____CPAchecker_TMP_0~41#1;havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~53#1; [2025-03-08 06:18:50,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L951: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2025-03-08 06:18:50,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L819: havoc main_~node2____CPAchecker_TMP_1~0#1; [2025-03-08 06:18:50,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3462: havoc main_~node4____CPAchecker_TMP_1~9#1; [2025-03-08 06:18:50,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1084: havoc main_~check__tmp~5#1; [2025-03-08 06:18:50,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3595: havoc main_~main____CPAchecker_TMP_0~20#1;havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~32#1;havoc main_~node4____CPAchecker_TMP_0~10#1; [2025-03-08 06:18:50,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2142: havoc main_~node4__m4~10#1; [2025-03-08 06:18:50,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4190: havoc main_~node4____CPAchecker_TMP_1~13#1; [2025-03-08 06:18:50,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4785: havoc main_~node3__m3~9#1; [2025-03-08 06:18:50,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2671: havoc main_~node4__m4~13#1; [2025-03-08 06:18:50,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4323: havoc main_~main____CPAchecker_TMP_0~28#1;havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~40#1;havoc main_~node4____CPAchecker_TMP_0~14#1; [2025-03-08 06:18:50,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2275: havoc main_~main____CPAchecker_TMP_0~5#1;havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~17#1; [2025-03-08 06:18:50,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2804: havoc main_~main____CPAchecker_TMP_0~11#1;havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~23#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4852: havoc main_~main____CPAchecker_TMP_0~34#1;havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~46#1;havoc main_~node4____CPAchecker_TMP_0~17#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1615: havoc main_~check__tmp~11#1;havoc main_~node4__m4~7#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5051: havoc main_~node4____CPAchecker_TMP_1~18#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5514: havoc main_~node4__m4~29#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L229: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5647: havoc main_~main____CPAchecker_TMP_0~43#1;havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~55#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L560: havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L362: havoc main_~node2__m2~1#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3798: havoc main_~node4____CPAchecker_TMP_1~11#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1156: havoc main_~node3__m3~3#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4526: havoc main_~node4____CPAchecker_TMP_1~15#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3007: havoc main_~node4__m4~15#1;havoc main_~node3____CPAchecker_TMP_1~2#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3140: havoc main_~main____CPAchecker_TMP_0~15#1;havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~27#1; [2025-03-08 06:18:50,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5188: havoc main_~main____CPAchecker_TMP_0~38#1;havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~50#1;havoc main_~node4____CPAchecker_TMP_0~19#1; [2025-03-08 06:18:50,970 INFO L? ?]: Removed 589 outVars from TransFormulas that were not future-live. [2025-03-08 06:18:50,971 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 06:18:50,991 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 06:18:50,992 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 06:18:50,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:18:50 BoogieIcfgContainer [2025-03-08 06:18:50,992 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 06:18:50,994 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 06:18:50,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 06:18:50,998 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 06:18:50,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:18:47" (1/3) ... [2025-03-08 06:18:50,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4acd32eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:18:50, skipping insertion in model container [2025-03-08 06:18:50,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:48" (2/3) ... [2025-03-08 06:18:50,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4acd32eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:18:50, skipping insertion in model container [2025-03-08 06:18:50,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:18:50" (3/3) ... [2025-03-08 06:18:51,000 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2025-03-08 06:18:51,012 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 06:18:51,015 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c that has 1 procedures, 705 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-08 06:18:51,076 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 06:18:51,087 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;@cd97f78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 06:18:51,088 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-08 06:18:51,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 705 states, 702 states have (on average 1.7834757834757835) internal successors, (1252), 704 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:51,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-08 06:18:51,110 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:51,111 INFO L218 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] [2025-03-08 06:18:51,111 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:51,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:51,116 INFO L85 PathProgramCache]: Analyzing trace with hash -594679370, now seen corresponding path program 1 times [2025-03-08 06:18:51,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:51,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108671395] [2025-03-08 06:18:51,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:51,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:51,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-08 06:18:51,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-08 06:18:51,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:51,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:18:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:18:51,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:18:51,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108671395] [2025-03-08 06:18:51,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108671395] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:18:51,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:18:51,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:18:51,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234425177] [2025-03-08 06:18:51,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:18:51,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:18:51,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:18:51,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:18:51,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:18:51,527 INFO L87 Difference]: Start difference. First operand has 705 states, 702 states have (on average 1.7834757834757835) internal successors, (1252), 704 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:51,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:18:51,653 INFO L93 Difference]: Finished difference Result 1069 states and 1856 transitions. [2025-03-08 06:18:51,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:18:51,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2025-03-08 06:18:51,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:18:51,670 INFO L225 Difference]: With dead ends: 1069 [2025-03-08 06:18:51,670 INFO L226 Difference]: Without dead ends: 846 [2025-03-08 06:18:51,675 INFO L434 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 [2025-03-08 06:18:51,677 INFO L435 NwaCegarLoop]: 1250 mSDtfsCounter, 631 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 2079 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:18:51,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 2079 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:18:51,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2025-03-08 06:18:51,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 844. [2025-03-08 06:18:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 842 states have (on average 1.368171021377672) internal successors, (1152), 843 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1152 transitions. [2025-03-08 06:18:51,755 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1152 transitions. Word has length 63 [2025-03-08 06:18:51,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:18:51,755 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1152 transitions. [2025-03-08 06:18:51,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:51,756 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1152 transitions. [2025-03-08 06:18:51,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-08 06:18:51,762 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:51,762 INFO L218 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] [2025-03-08 06:18:51,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 06:18:51,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:51,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:51,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1827494375, now seen corresponding path program 1 times [2025-03-08 06:18:51,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:51,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967103973] [2025-03-08 06:18:51,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:51,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:51,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-08 06:18:51,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-08 06:18:51,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:51,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:18:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:18:51,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:18:51,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967103973] [2025-03-08 06:18:51,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967103973] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:18:51,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:18:51,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:18:51,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667804201] [2025-03-08 06:18:51,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:18:51,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:18:51,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:18:51,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:18:51,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:18:51,932 INFO L87 Difference]: Start difference. First operand 844 states and 1152 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:52,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:18:52,001 INFO L93 Difference]: Finished difference Result 1415 states and 1997 transitions. [2025-03-08 06:18:52,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:18:52,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-03-08 06:18:52,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:18:52,006 INFO L225 Difference]: With dead ends: 1415 [2025-03-08 06:18:52,006 INFO L226 Difference]: Without dead ends: 1108 [2025-03-08 06:18:52,009 INFO L434 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 [2025-03-08 06:18:52,010 INFO L435 NwaCegarLoop]: 945 mSDtfsCounter, 495 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:18:52,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 1576 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:18:52,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2025-03-08 06:18:52,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1104. [2025-03-08 06:18:52,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 1102 states have (on average 1.3874773139745917) internal successors, (1529), 1103 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:52,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1529 transitions. [2025-03-08 06:18:52,040 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1529 transitions. Word has length 64 [2025-03-08 06:18:52,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:18:52,040 INFO L471 AbstractCegarLoop]: Abstraction has 1104 states and 1529 transitions. [2025-03-08 06:18:52,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1529 transitions. [2025-03-08 06:18:52,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-08 06:18:52,044 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:52,044 INFO L218 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] [2025-03-08 06:18:52,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 06:18:52,045 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:52,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:52,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1038161690, now seen corresponding path program 1 times [2025-03-08 06:18:52,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:52,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881181714] [2025-03-08 06:18:52,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:52,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:52,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-08 06:18:52,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-08 06:18:52,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:52,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:18:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:18:52,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:18:52,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881181714] [2025-03-08 06:18:52,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881181714] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:18:52,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:18:52,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:18:52,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881646080] [2025-03-08 06:18:52,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:18:52,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:18:52,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:18:52,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:18:52,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:18:52,187 INFO L87 Difference]: Start difference. First operand 1104 states and 1529 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:52,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:18:52,336 INFO L93 Difference]: Finished difference Result 2120 states and 2962 transitions. [2025-03-08 06:18:52,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:18:52,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-03-08 06:18:52,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:18:52,343 INFO L225 Difference]: With dead ends: 2120 [2025-03-08 06:18:52,343 INFO L226 Difference]: Without dead ends: 1695 [2025-03-08 06:18:52,344 INFO L434 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 [2025-03-08 06:18:52,346 INFO L435 NwaCegarLoop]: 1036 mSDtfsCounter, 549 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 06:18:52,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1683 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 06:18:52,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2025-03-08 06:18:52,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1691. [2025-03-08 06:18:52,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1691 states, 1689 states have (on average 1.3718176435760805) internal successors, (2317), 1690 states have internal predecessors, (2317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:52,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2317 transitions. [2025-03-08 06:18:52,388 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2317 transitions. Word has length 64 [2025-03-08 06:18:52,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:18:52,388 INFO L471 AbstractCegarLoop]: Abstraction has 1691 states and 2317 transitions. [2025-03-08 06:18:52,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:52,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2317 transitions. [2025-03-08 06:18:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-08 06:18:52,394 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:52,395 INFO L218 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] [2025-03-08 06:18:52,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 06:18:52,395 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:52,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:52,395 INFO L85 PathProgramCache]: Analyzing trace with hash -503120634, now seen corresponding path program 1 times [2025-03-08 06:18:52,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:52,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369818685] [2025-03-08 06:18:52,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:52,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:52,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-08 06:18:52,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-08 06:18:52,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:52,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:18:52,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:18:52,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:18:52,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369818685] [2025-03-08 06:18:52,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369818685] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:18:52,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:18:52,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 06:18:52,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169620987] [2025-03-08 06:18:52,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:18:52,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:18:52,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:18:52,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:18:52,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:18:52,577 INFO L87 Difference]: Start difference. First operand 1691 states and 2317 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:53,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:18:53,007 INFO L93 Difference]: Finished difference Result 3738 states and 5238 transitions. [2025-03-08 06:18:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 06:18:53,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-03-08 06:18:53,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:18:53,016 INFO L225 Difference]: With dead ends: 3738 [2025-03-08 06:18:53,016 INFO L226 Difference]: Without dead ends: 2272 [2025-03-08 06:18:53,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:18:53,020 INFO L435 NwaCegarLoop]: 436 mSDtfsCounter, 2614 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2614 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 06:18:53,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2614 Valid, 573 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 06:18:53,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2025-03-08 06:18:53,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2270. [2025-03-08 06:18:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2270 states, 2268 states have (on average 1.3999118165784832) internal successors, (3175), 2269 states have internal predecessors, (3175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:53,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 3175 transitions. [2025-03-08 06:18:53,058 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 3175 transitions. Word has length 64 [2025-03-08 06:18:53,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:18:53,058 INFO L471 AbstractCegarLoop]: Abstraction has 2270 states and 3175 transitions. [2025-03-08 06:18:53,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:53,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 3175 transitions. [2025-03-08 06:18:53,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-08 06:18:53,060 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:53,060 INFO L218 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] [2025-03-08 06:18:53,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 06:18:53,060 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:53,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:53,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1387472010, now seen corresponding path program 1 times [2025-03-08 06:18:53,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:53,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107142589] [2025-03-08 06:18:53,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:53,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:53,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-08 06:18:53,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-08 06:18:53,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:53,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:18:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:18:53,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:18:53,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107142589] [2025-03-08 06:18:53,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107142589] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:18:53,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:18:53,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:18:53,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97081687] [2025-03-08 06:18:53,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:18:53,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:18:53,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:18:53,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:18:53,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:18:53,122 INFO L87 Difference]: Start difference. First operand 2270 states and 3175 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:53,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:18:53,160 INFO L93 Difference]: Finished difference Result 4693 states and 6632 transitions. [2025-03-08 06:18:53,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:18:53,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2025-03-08 06:18:53,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:18:53,170 INFO L225 Difference]: With dead ends: 4693 [2025-03-08 06:18:53,170 INFO L226 Difference]: Without dead ends: 3165 [2025-03-08 06:18:53,172 INFO L434 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 [2025-03-08 06:18:53,173 INFO L435 NwaCegarLoop]: 948 mSDtfsCounter, 578 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1484 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:18:53,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 1484 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:18:53,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3165 states. [2025-03-08 06:18:53,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3165 to 3155. [2025-03-08 06:18:53,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3155 states, 3153 states have (on average 1.3799555978433238) internal successors, (4351), 3154 states have internal predecessors, (4351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 4351 transitions. [2025-03-08 06:18:53,259 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 4351 transitions. Word has length 65 [2025-03-08 06:18:53,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:18:53,259 INFO L471 AbstractCegarLoop]: Abstraction has 3155 states and 4351 transitions. [2025-03-08 06:18:53,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 4351 transitions. [2025-03-08 06:18:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-08 06:18:53,263 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:53,263 INFO L218 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] [2025-03-08 06:18:53,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 06:18:53,263 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:53,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:53,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1692017959, now seen corresponding path program 1 times [2025-03-08 06:18:53,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:53,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775755695] [2025-03-08 06:18:53,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:53,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:53,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-08 06:18:53,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-08 06:18:53,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:53,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:18:53,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:18:53,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:18:53,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775755695] [2025-03-08 06:18:53,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775755695] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:18:53,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:18:53,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 06:18:53,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183282418] [2025-03-08 06:18:53,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:18:53,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:18:53,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:18:53,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:18:53,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:18:53,404 INFO L87 Difference]: Start difference. First operand 3155 states and 4351 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:53,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:18:53,743 INFO L93 Difference]: Finished difference Result 6802 states and 9465 transitions. [2025-03-08 06:18:53,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 06:18:53,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2025-03-08 06:18:53,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:18:53,758 INFO L225 Difference]: With dead ends: 6802 [2025-03-08 06:18:53,758 INFO L226 Difference]: Without dead ends: 3982 [2025-03-08 06:18:53,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:18:53,764 INFO L435 NwaCegarLoop]: 382 mSDtfsCounter, 2284 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2284 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:18:53,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2284 Valid, 521 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:18:53,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3982 states. [2025-03-08 06:18:53,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3982 to 3966. [2025-03-08 06:18:53,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3966 states, 3964 states have (on average 1.3816851664984864) internal successors, (5477), 3965 states have internal predecessors, (5477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:53,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3966 states and 5477 transitions. [2025-03-08 06:18:53,866 INFO L78 Accepts]: Start accepts. Automaton has 3966 states and 5477 transitions. Word has length 66 [2025-03-08 06:18:53,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:18:53,867 INFO L471 AbstractCegarLoop]: Abstraction has 3966 states and 5477 transitions. [2025-03-08 06:18:53,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:53,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3966 states and 5477 transitions. [2025-03-08 06:18:53,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-08 06:18:53,870 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:53,870 INFO L218 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] [2025-03-08 06:18:53,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 06:18:53,871 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:53,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:53,871 INFO L85 PathProgramCache]: Analyzing trace with hash -199161488, now seen corresponding path program 1 times [2025-03-08 06:18:53,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:53,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064558414] [2025-03-08 06:18:53,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:53,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:53,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-08 06:18:53,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-08 06:18:53,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:53,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:18:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:18:54,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:18:54,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064558414] [2025-03-08 06:18:54,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064558414] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:18:54,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:18:54,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:18:54,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583848802] [2025-03-08 06:18:54,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:18:54,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 06:18:54,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:18:54,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 06:18:54,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:18:54,046 INFO L87 Difference]: Start difference. First operand 3966 states and 5477 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:54,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:18:54,580 INFO L93 Difference]: Finished difference Result 8216 states and 11566 transitions. [2025-03-08 06:18:54,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 06:18:54,581 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2025-03-08 06:18:54,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:18:54,600 INFO L225 Difference]: With dead ends: 8216 [2025-03-08 06:18:54,600 INFO L226 Difference]: Without dead ends: 7032 [2025-03-08 06:18:54,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-03-08 06:18:54,605 INFO L435 NwaCegarLoop]: 386 mSDtfsCounter, 3121 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3121 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 06:18:54,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3121 Valid, 1019 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 06:18:54,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7032 states. [2025-03-08 06:18:54,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7032 to 3990. [2025-03-08 06:18:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3990 states, 3988 states have (on average 1.381394182547643) internal successors, (5509), 3989 states have internal predecessors, (5509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:54,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3990 states to 3990 states and 5509 transitions. [2025-03-08 06:18:54,706 INFO L78 Accepts]: Start accepts. Automaton has 3990 states and 5509 transitions. Word has length 67 [2025-03-08 06:18:54,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:18:54,706 INFO L471 AbstractCegarLoop]: Abstraction has 3990 states and 5509 transitions. [2025-03-08 06:18:54,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:54,707 INFO L276 IsEmpty]: Start isEmpty. Operand 3990 states and 5509 transitions. [2025-03-08 06:18:54,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-08 06:18:54,710 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:54,710 INFO L218 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] [2025-03-08 06:18:54,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 06:18:54,710 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:54,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:54,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1764637317, now seen corresponding path program 1 times [2025-03-08 06:18:54,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:54,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157232621] [2025-03-08 06:18:54,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:54,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:54,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-08 06:18:54,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-08 06:18:54,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:54,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:18:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:18:54,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:18:54,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157232621] [2025-03-08 06:18:54,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157232621] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:18:54,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:18:54,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 06:18:54,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115147275] [2025-03-08 06:18:54,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:18:54,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:18:54,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:18:54,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:18:54,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:18:54,807 INFO L87 Difference]: Start difference. First operand 3990 states and 5509 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:55,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:18:55,133 INFO L93 Difference]: Finished difference Result 9015 states and 12509 transitions. [2025-03-08 06:18:55,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 06:18:55,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2025-03-08 06:18:55,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:18:55,149 INFO L225 Difference]: With dead ends: 9015 [2025-03-08 06:18:55,149 INFO L226 Difference]: Without dead ends: 5335 [2025-03-08 06:18:55,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:18:55,154 INFO L435 NwaCegarLoop]: 397 mSDtfsCounter, 2348 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2348 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:18:55,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2348 Valid, 530 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:18:55,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5335 states. [2025-03-08 06:18:55,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5335 to 3990. [2025-03-08 06:18:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3990 states, 3988 states have (on average 1.376629889669007) internal successors, (5490), 3989 states have internal predecessors, (5490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:55,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3990 states to 3990 states and 5490 transitions. [2025-03-08 06:18:55,223 INFO L78 Accepts]: Start accepts. Automaton has 3990 states and 5490 transitions. Word has length 67 [2025-03-08 06:18:55,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:18:55,223 INFO L471 AbstractCegarLoop]: Abstraction has 3990 states and 5490 transitions. [2025-03-08 06:18:55,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:55,224 INFO L276 IsEmpty]: Start isEmpty. Operand 3990 states and 5490 transitions. [2025-03-08 06:18:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-08 06:18:55,227 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:55,227 INFO L218 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] [2025-03-08 06:18:55,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 06:18:55,227 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:55,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:55,228 INFO L85 PathProgramCache]: Analyzing trace with hash 314853775, now seen corresponding path program 1 times [2025-03-08 06:18:55,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:55,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213094156] [2025-03-08 06:18:55,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:55,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:55,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-08 06:18:55,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-08 06:18:55,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:55,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:18:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:18:55,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:18:55,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213094156] [2025-03-08 06:18:55,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213094156] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:18:55,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:18:55,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 06:18:55,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348349453] [2025-03-08 06:18:55,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:18:55,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:18:55,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:18:55,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:18:55,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:18:55,329 INFO L87 Difference]: Start difference. First operand 3990 states and 5490 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:55,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:18:55,704 INFO L93 Difference]: Finished difference Result 8904 states and 12251 transitions. [2025-03-08 06:18:55,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 06:18:55,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2025-03-08 06:18:55,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:18:55,715 INFO L225 Difference]: With dead ends: 8904 [2025-03-08 06:18:55,715 INFO L226 Difference]: Without dead ends: 5195 [2025-03-08 06:18:55,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:18:55,721 INFO L435 NwaCegarLoop]: 363 mSDtfsCounter, 2080 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2080 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:18:55,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2080 Valid, 480 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:18:55,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5195 states. [2025-03-08 06:18:55,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5195 to 5173. [2025-03-08 06:18:55,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5173 states, 5171 states have (on average 1.3612454070779347) internal successors, (7039), 5172 states have internal predecessors, (7039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:55,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5173 states to 5173 states and 7039 transitions. [2025-03-08 06:18:55,812 INFO L78 Accepts]: Start accepts. Automaton has 5173 states and 7039 transitions. Word has length 68 [2025-03-08 06:18:55,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:18:55,813 INFO L471 AbstractCegarLoop]: Abstraction has 5173 states and 7039 transitions. [2025-03-08 06:18:55,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:55,813 INFO L276 IsEmpty]: Start isEmpty. Operand 5173 states and 7039 transitions. [2025-03-08 06:18:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-08 06:18:55,816 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:55,816 INFO L218 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] [2025-03-08 06:18:55,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 06:18:55,816 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:55,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:55,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1029711579, now seen corresponding path program 1 times [2025-03-08 06:18:55,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:55,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664582825] [2025-03-08 06:18:55,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:55,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:55,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-08 06:18:55,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-08 06:18:55,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:55,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:18:55,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:18:55,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:18:55,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664582825] [2025-03-08 06:18:55,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664582825] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:18:55,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:18:55,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:18:55,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073061452] [2025-03-08 06:18:55,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:18:55,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 06:18:55,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:18:55,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 06:18:55,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:18:55,945 INFO L87 Difference]: Start difference. First operand 5173 states and 7039 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:56,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:18:56,414 INFO L93 Difference]: Finished difference Result 10854 states and 14878 transitions. [2025-03-08 06:18:56,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 06:18:56,415 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2025-03-08 06:18:56,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:18:56,428 INFO L225 Difference]: With dead ends: 10854 [2025-03-08 06:18:56,428 INFO L226 Difference]: Without dead ends: 8337 [2025-03-08 06:18:56,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-03-08 06:18:56,434 INFO L435 NwaCegarLoop]: 394 mSDtfsCounter, 2676 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 06:18:56,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2676 Valid, 934 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 06:18:56,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8337 states. [2025-03-08 06:18:56,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8337 to 5201. [2025-03-08 06:18:56,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5201 states, 5199 states have (on average 1.3608386228120792) internal successors, (7075), 5200 states have internal predecessors, (7075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:56,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5201 states to 5201 states and 7075 transitions. [2025-03-08 06:18:56,526 INFO L78 Accepts]: Start accepts. Automaton has 5201 states and 7075 transitions. Word has length 68 [2025-03-08 06:18:56,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:18:56,526 INFO L471 AbstractCegarLoop]: Abstraction has 5201 states and 7075 transitions. [2025-03-08 06:18:56,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:56,526 INFO L276 IsEmpty]: Start isEmpty. Operand 5201 states and 7075 transitions. [2025-03-08 06:18:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-08 06:18:56,530 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:56,530 INFO L218 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] [2025-03-08 06:18:56,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 06:18:56,531 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:56,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:56,531 INFO L85 PathProgramCache]: Analyzing trace with hash 337646216, now seen corresponding path program 1 times [2025-03-08 06:18:56,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:56,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68661109] [2025-03-08 06:18:56,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:56,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:56,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-08 06:18:56,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-08 06:18:56,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:56,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:18:56,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:18:56,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:18:56,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68661109] [2025-03-08 06:18:56,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68661109] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:18:56,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:18:56,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:18:56,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929684608] [2025-03-08 06:18:56,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:18:56,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 06:18:56,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:18:56,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 06:18:56,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:18:56,698 INFO L87 Difference]: Start difference. First operand 5201 states and 7075 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:57,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:18:57,200 INFO L93 Difference]: Finished difference Result 13207 states and 18306 transitions. [2025-03-08 06:18:57,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 06:18:57,200 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2025-03-08 06:18:57,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:18:57,218 INFO L225 Difference]: With dead ends: 13207 [2025-03-08 06:18:57,218 INFO L226 Difference]: Without dead ends: 10971 [2025-03-08 06:18:57,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-03-08 06:18:57,225 INFO L435 NwaCegarLoop]: 379 mSDtfsCounter, 2912 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2912 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 06:18:57,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2912 Valid, 998 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 06:18:57,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10971 states. [2025-03-08 06:18:57,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10971 to 5298. [2025-03-08 06:18:57,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5298 states, 5296 states have (on average 1.3602719033232629) internal successors, (7204), 5297 states have internal predecessors, (7204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:57,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5298 states to 5298 states and 7204 transitions. [2025-03-08 06:18:57,366 INFO L78 Accepts]: Start accepts. Automaton has 5298 states and 7204 transitions. Word has length 69 [2025-03-08 06:18:57,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:18:57,366 INFO L471 AbstractCegarLoop]: Abstraction has 5298 states and 7204 transitions. [2025-03-08 06:18:57,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 5298 states and 7204 transitions. [2025-03-08 06:18:57,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-08 06:18:57,370 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:57,370 INFO L218 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] [2025-03-08 06:18:57,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 06:18:57,370 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:57,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:57,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1319015387, now seen corresponding path program 1 times [2025-03-08 06:18:57,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:57,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7758989] [2025-03-08 06:18:57,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:57,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:57,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-08 06:18:57,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-08 06:18:57,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:57,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:18:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:18:57,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:18:57,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7758989] [2025-03-08 06:18:57,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7758989] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:18:57,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:18:57,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-08 06:18:57,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368476700] [2025-03-08 06:18:57,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:18:57,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-08 06:18:57,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:18:57,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-08 06:18:57,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-08 06:18:57,786 INFO L87 Difference]: Start difference. First operand 5298 states and 7204 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:58,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:18:58,732 INFO L93 Difference]: Finished difference Result 9349 states and 12788 transitions. [2025-03-08 06:18:58,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 06:18:58,733 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2025-03-08 06:18:58,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:18:58,745 INFO L225 Difference]: With dead ends: 9349 [2025-03-08 06:18:58,745 INFO L226 Difference]: Without dead ends: 7704 [2025-03-08 06:18:58,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2025-03-08 06:18:58,749 INFO L435 NwaCegarLoop]: 366 mSDtfsCounter, 2628 mSDsluCounter, 1719 mSDsCounter, 0 mSdLazyCounter, 1671 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2628 SdHoareTripleChecker+Valid, 2085 SdHoareTripleChecker+Invalid, 1681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-08 06:18:58,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2628 Valid, 2085 Invalid, 1681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1671 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-08 06:18:58,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7704 states. [2025-03-08 06:18:58,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7704 to 5298. [2025-03-08 06:18:58,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5298 states, 5296 states have (on average 1.3598942598187311) internal successors, (7202), 5297 states have internal predecessors, (7202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5298 states to 5298 states and 7202 transitions. [2025-03-08 06:18:58,823 INFO L78 Accepts]: Start accepts. Automaton has 5298 states and 7202 transitions. Word has length 70 [2025-03-08 06:18:58,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:18:58,824 INFO L471 AbstractCegarLoop]: Abstraction has 5298 states and 7202 transitions. [2025-03-08 06:18:58,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:58,824 INFO L276 IsEmpty]: Start isEmpty. Operand 5298 states and 7202 transitions. [2025-03-08 06:18:58,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-08 06:18:58,828 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:58,828 INFO L218 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] [2025-03-08 06:18:58,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 06:18:58,829 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:58,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:58,829 INFO L85 PathProgramCache]: Analyzing trace with hash 2060489347, now seen corresponding path program 1 times [2025-03-08 06:18:58,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:58,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954547778] [2025-03-08 06:18:58,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:58,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:58,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-08 06:18:58,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-08 06:18:58,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:58,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:18:59,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:18:59,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:18:59,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954547778] [2025-03-08 06:18:59,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954547778] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:18:59,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:18:59,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 06:18:59,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582762334] [2025-03-08 06:18:59,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:18:59,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 06:18:59,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:18:59,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 06:18:59,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:18:59,125 INFO L87 Difference]: Start difference. First operand 5298 states and 7202 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:59,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:18:59,774 INFO L93 Difference]: Finished difference Result 10936 states and 15114 transitions. [2025-03-08 06:18:59,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 06:18:59,777 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2025-03-08 06:18:59,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:18:59,790 INFO L225 Difference]: With dead ends: 10936 [2025-03-08 06:18:59,791 INFO L226 Difference]: Without dead ends: 7848 [2025-03-08 06:18:59,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2025-03-08 06:18:59,796 INFO L435 NwaCegarLoop]: 403 mSDtfsCounter, 2821 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2821 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 06:18:59,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2821 Valid, 1883 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1384 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 06:18:59,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7848 states. [2025-03-08 06:18:59,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7848 to 5294. [2025-03-08 06:18:59,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5294 states, 5292 states have (on average 1.3594104308390023) internal successors, (7194), 5293 states have internal predecessors, (7194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:59,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5294 states to 5294 states and 7194 transitions. [2025-03-08 06:18:59,883 INFO L78 Accepts]: Start accepts. Automaton has 5294 states and 7194 transitions. Word has length 70 [2025-03-08 06:18:59,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:18:59,884 INFO L471 AbstractCegarLoop]: Abstraction has 5294 states and 7194 transitions. [2025-03-08 06:18:59,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:18:59,884 INFO L276 IsEmpty]: Start isEmpty. Operand 5294 states and 7194 transitions. [2025-03-08 06:18:59,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-08 06:18:59,888 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:18:59,888 INFO L218 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] [2025-03-08 06:18:59,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 06:18:59,889 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:18:59,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:18:59,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2085210585, now seen corresponding path program 1 times [2025-03-08 06:18:59,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:18:59,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320116295] [2025-03-08 06:18:59,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:18:59,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:18:59,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 06:18:59,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 06:18:59,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:18:59,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:00,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:00,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320116295] [2025-03-08 06:19:00,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320116295] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:00,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:00,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-08 06:19:00,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545206635] [2025-03-08 06:19:00,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:00,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-08 06:19:00,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:00,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-08 06:19:00,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-03-08 06:19:00,437 INFO L87 Difference]: Start difference. First operand 5294 states and 7194 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:00,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:00,999 INFO L93 Difference]: Finished difference Result 11904 states and 16537 transitions. [2025-03-08 06:19:00,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-08 06:19:00,999 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2025-03-08 06:19:00,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:01,011 INFO L225 Difference]: With dead ends: 11904 [2025-03-08 06:19:01,011 INFO L226 Difference]: Without dead ends: 8692 [2025-03-08 06:19:01,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2025-03-08 06:19:01,017 INFO L435 NwaCegarLoop]: 563 mSDtfsCounter, 3616 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3616 SdHoareTripleChecker+Valid, 2773 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:01,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3616 Valid, 2773 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:19:01,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8692 states. [2025-03-08 06:19:01,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8692 to 5154. [2025-03-08 06:19:01,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5154 states, 5152 states have (on average 1.361024844720497) internal successors, (7012), 5153 states have internal predecessors, (7012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:01,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5154 states to 5154 states and 7012 transitions. [2025-03-08 06:19:01,085 INFO L78 Accepts]: Start accepts. Automaton has 5154 states and 7012 transitions. Word has length 71 [2025-03-08 06:19:01,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:01,086 INFO L471 AbstractCegarLoop]: Abstraction has 5154 states and 7012 transitions. [2025-03-08 06:19:01,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:01,086 INFO L276 IsEmpty]: Start isEmpty. Operand 5154 states and 7012 transitions. [2025-03-08 06:19:01,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-08 06:19:01,100 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:01,101 INFO L218 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] [2025-03-08 06:19:01,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 06:19:01,101 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:01,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:01,101 INFO L85 PathProgramCache]: Analyzing trace with hash 663226179, now seen corresponding path program 1 times [2025-03-08 06:19:01,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:01,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254021188] [2025-03-08 06:19:01,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:01,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:01,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 06:19:01,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 06:19:01,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:01,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:01,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:01,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254021188] [2025-03-08 06:19:01,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254021188] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:01,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:01,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:19:01,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251424230] [2025-03-08 06:19:01,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:01,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 06:19:01,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:01,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 06:19:01,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:19:01,246 INFO L87 Difference]: Start difference. First operand 5154 states and 7012 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:01,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:01,753 INFO L93 Difference]: Finished difference Result 11856 states and 16359 transitions. [2025-03-08 06:19:01,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 06:19:01,753 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2025-03-08 06:19:01,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:01,766 INFO L225 Difference]: With dead ends: 11856 [2025-03-08 06:19:01,767 INFO L226 Difference]: Without dead ends: 9784 [2025-03-08 06:19:01,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-03-08 06:19:01,772 INFO L435 NwaCegarLoop]: 351 mSDtfsCounter, 2771 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2771 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:01,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2771 Valid, 963 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 06:19:01,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9784 states. [2025-03-08 06:19:01,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9784 to 5225. [2025-03-08 06:19:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5225 states, 5223 states have (on average 1.3614780777331035) internal successors, (7111), 5224 states have internal predecessors, (7111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:01,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 5225 states and 7111 transitions. [2025-03-08 06:19:01,854 INFO L78 Accepts]: Start accepts. Automaton has 5225 states and 7111 transitions. Word has length 71 [2025-03-08 06:19:01,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:01,854 INFO L471 AbstractCegarLoop]: Abstraction has 5225 states and 7111 transitions. [2025-03-08 06:19:01,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:01,854 INFO L276 IsEmpty]: Start isEmpty. Operand 5225 states and 7111 transitions. [2025-03-08 06:19:01,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-08 06:19:01,858 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:01,858 INFO L218 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] [2025-03-08 06:19:01,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 06:19:01,859 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:01,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:01,859 INFO L85 PathProgramCache]: Analyzing trace with hash 253735554, now seen corresponding path program 1 times [2025-03-08 06:19:01,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:01,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681089807] [2025-03-08 06:19:01,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:01,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:01,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 06:19:01,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 06:19:01,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:01,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:02,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:02,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681089807] [2025-03-08 06:19:02,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681089807] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:02,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:02,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 06:19:02,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777545339] [2025-03-08 06:19:02,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:02,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 06:19:02,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:02,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 06:19:02,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:19:02,108 INFO L87 Difference]: Start difference. First operand 5225 states and 7111 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:02,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:02,747 INFO L93 Difference]: Finished difference Result 13028 states and 18090 transitions. [2025-03-08 06:19:02,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-08 06:19:02,747 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2025-03-08 06:19:02,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:02,761 INFO L225 Difference]: With dead ends: 13028 [2025-03-08 06:19:02,761 INFO L226 Difference]: Without dead ends: 9898 [2025-03-08 06:19:02,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2025-03-08 06:19:02,767 INFO L435 NwaCegarLoop]: 384 mSDtfsCounter, 2856 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2856 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 1164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:02,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2856 Valid, 1661 Invalid, 1164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 06:19:02,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9898 states. [2025-03-08 06:19:02,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9898 to 5201. [2025-03-08 06:19:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5201 states, 5199 states have (on average 1.3602615887670706) internal successors, (7072), 5200 states have internal predecessors, (7072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:02,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5201 states to 5201 states and 7072 transitions. [2025-03-08 06:19:02,849 INFO L78 Accepts]: Start accepts. Automaton has 5201 states and 7072 transitions. Word has length 71 [2025-03-08 06:19:02,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:02,849 INFO L471 AbstractCegarLoop]: Abstraction has 5201 states and 7072 transitions. [2025-03-08 06:19:02,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:02,850 INFO L276 IsEmpty]: Start isEmpty. Operand 5201 states and 7072 transitions. [2025-03-08 06:19:02,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-08 06:19:02,871 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:02,871 INFO L218 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] [2025-03-08 06:19:02,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 06:19:02,872 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:02,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:02,872 INFO L85 PathProgramCache]: Analyzing trace with hash 606016996, now seen corresponding path program 1 times [2025-03-08 06:19:02,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:02,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660289289] [2025-03-08 06:19:02,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:02,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:02,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 06:19:02,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 06:19:02,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:02,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:03,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:03,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:03,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660289289] [2025-03-08 06:19:03,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660289289] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:03,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:03,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-08 06:19:03,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899673877] [2025-03-08 06:19:03,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:03,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-08 06:19:03,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:03,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-08 06:19:03,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-08 06:19:03,370 INFO L87 Difference]: Start difference. First operand 5201 states and 7072 transitions. Second operand has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:04,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:04,265 INFO L93 Difference]: Finished difference Result 17428 states and 24280 transitions. [2025-03-08 06:19:04,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-08 06:19:04,265 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2025-03-08 06:19:04,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:04,285 INFO L225 Difference]: With dead ends: 17428 [2025-03-08 06:19:04,286 INFO L226 Difference]: Without dead ends: 14322 [2025-03-08 06:19:04,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2025-03-08 06:19:04,293 INFO L435 NwaCegarLoop]: 553 mSDtfsCounter, 4231 mSDsluCounter, 2867 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4231 SdHoareTripleChecker+Valid, 3420 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:04,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4231 Valid, 3420 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 06:19:04,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14322 states. [2025-03-08 06:19:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14322 to 5175. [2025-03-08 06:19:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5175 states, 5173 states have (on average 1.3601391842257877) internal successors, (7036), 5174 states have internal predecessors, (7036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:04,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 5175 states and 7036 transitions. [2025-03-08 06:19:04,383 INFO L78 Accepts]: Start accepts. Automaton has 5175 states and 7036 transitions. Word has length 71 [2025-03-08 06:19:04,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:04,384 INFO L471 AbstractCegarLoop]: Abstraction has 5175 states and 7036 transitions. [2025-03-08 06:19:04,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:04,384 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 7036 transitions. [2025-03-08 06:19:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-08 06:19:04,387 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:04,388 INFO L218 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] [2025-03-08 06:19:04,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-08 06:19:04,388 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:04,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:04,388 INFO L85 PathProgramCache]: Analyzing trace with hash 380999325, now seen corresponding path program 1 times [2025-03-08 06:19:04,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:04,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622043317] [2025-03-08 06:19:04,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:04,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:04,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-08 06:19:04,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-08 06:19:04,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:04,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:04,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:04,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:04,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622043317] [2025-03-08 06:19:04,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622043317] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:04,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:04,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-08 06:19:04,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049976107] [2025-03-08 06:19:04,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:04,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-08 06:19:04,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:04,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-08 06:19:04,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-08 06:19:04,692 INFO L87 Difference]: Start difference. First operand 5175 states and 7036 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:05,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:05,401 INFO L93 Difference]: Finished difference Result 12328 states and 17065 transitions. [2025-03-08 06:19:05,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-08 06:19:05,401 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2025-03-08 06:19:05,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:05,409 INFO L225 Difference]: With dead ends: 12328 [2025-03-08 06:19:05,410 INFO L226 Difference]: Without dead ends: 8998 [2025-03-08 06:19:05,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2025-03-08 06:19:05,414 INFO L435 NwaCegarLoop]: 377 mSDtfsCounter, 2729 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2729 SdHoareTripleChecker+Valid, 2099 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:05,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2729 Valid, 2099 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 06:19:05,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8998 states. [2025-03-08 06:19:05,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8998 to 5050. [2025-03-08 06:19:05,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5050 states, 5048 states have (on average 1.3601426307448494) internal successors, (6866), 5049 states have internal predecessors, (6866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:05,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5050 states to 5050 states and 6866 transitions. [2025-03-08 06:19:05,484 INFO L78 Accepts]: Start accepts. Automaton has 5050 states and 6866 transitions. Word has length 72 [2025-03-08 06:19:05,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:05,484 INFO L471 AbstractCegarLoop]: Abstraction has 5050 states and 6866 transitions. [2025-03-08 06:19:05,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:05,485 INFO L276 IsEmpty]: Start isEmpty. Operand 5050 states and 6866 transitions. [2025-03-08 06:19:05,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-08 06:19:05,488 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:05,488 INFO L218 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] [2025-03-08 06:19:05,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-08 06:19:05,489 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:05,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:05,490 INFO L85 PathProgramCache]: Analyzing trace with hash -507102822, now seen corresponding path program 1 times [2025-03-08 06:19:05,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:05,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198021156] [2025-03-08 06:19:05,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:05,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:05,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-08 06:19:05,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-08 06:19:05,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:05,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:05,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:05,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198021156] [2025-03-08 06:19:05,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198021156] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:05,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:05,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:19:05,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372948339] [2025-03-08 06:19:05,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:05,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 06:19:05,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:05,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 06:19:05,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:19:05,597 INFO L87 Difference]: Start difference. First operand 5050 states and 6866 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:06,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:06,043 INFO L93 Difference]: Finished difference Result 11669 states and 16099 transitions. [2025-03-08 06:19:06,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 06:19:06,045 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2025-03-08 06:19:06,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:06,054 INFO L225 Difference]: With dead ends: 11669 [2025-03-08 06:19:06,054 INFO L226 Difference]: Without dead ends: 9609 [2025-03-08 06:19:06,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-03-08 06:19:06,058 INFO L435 NwaCegarLoop]: 347 mSDtfsCounter, 2714 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2714 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:06,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2714 Valid, 955 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 06:19:06,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9609 states. [2025-03-08 06:19:06,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9609 to 5093. [2025-03-08 06:19:06,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5093 states, 5091 states have (on average 1.3606364172068357) internal successors, (6927), 5092 states have internal predecessors, (6927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5093 states to 5093 states and 6927 transitions. [2025-03-08 06:19:06,130 INFO L78 Accepts]: Start accepts. Automaton has 5093 states and 6927 transitions. Word has length 72 [2025-03-08 06:19:06,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:06,130 INFO L471 AbstractCegarLoop]: Abstraction has 5093 states and 6927 transitions. [2025-03-08 06:19:06,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 5093 states and 6927 transitions. [2025-03-08 06:19:06,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-08 06:19:06,134 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:06,134 INFO L218 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] [2025-03-08 06:19:06,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-08 06:19:06,134 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:06,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:06,134 INFO L85 PathProgramCache]: Analyzing trace with hash -540389094, now seen corresponding path program 1 times [2025-03-08 06:19:06,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:06,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13263170] [2025-03-08 06:19:06,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:06,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:06,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-08 06:19:06,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-08 06:19:06,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:06,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:06,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:06,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:06,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13263170] [2025-03-08 06:19:06,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13263170] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:06,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:06,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2025-03-08 06:19:06,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998781454] [2025-03-08 06:19:06,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:06,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-08 06:19:06,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:06,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-08 06:19:06,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-08 06:19:06,553 INFO L87 Difference]: Start difference. First operand 5093 states and 6927 transitions. Second operand has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:07,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:07,357 INFO L93 Difference]: Finished difference Result 17585 states and 24422 transitions. [2025-03-08 06:19:07,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-08 06:19:07,358 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2025-03-08 06:19:07,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:07,373 INFO L225 Difference]: With dead ends: 17585 [2025-03-08 06:19:07,373 INFO L226 Difference]: Without dead ends: 15450 [2025-03-08 06:19:07,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2025-03-08 06:19:07,380 INFO L435 NwaCegarLoop]: 487 mSDtfsCounter, 3780 mSDsluCounter, 2795 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3780 SdHoareTripleChecker+Valid, 3282 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:07,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3780 Valid, 3282 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 06:19:07,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15450 states. [2025-03-08 06:19:07,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15450 to 5078. [2025-03-08 06:19:07,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5078 states, 5076 states have (on average 1.3605200945626477) internal successors, (6906), 5077 states have internal predecessors, (6906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:07,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5078 states to 5078 states and 6906 transitions. [2025-03-08 06:19:07,500 INFO L78 Accepts]: Start accepts. Automaton has 5078 states and 6906 transitions. Word has length 72 [2025-03-08 06:19:07,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:07,500 INFO L471 AbstractCegarLoop]: Abstraction has 5078 states and 6906 transitions. [2025-03-08 06:19:07,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:07,500 INFO L276 IsEmpty]: Start isEmpty. Operand 5078 states and 6906 transitions. [2025-03-08 06:19:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-08 06:19:07,503 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:07,504 INFO L218 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] [2025-03-08 06:19:07,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-08 06:19:07,504 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:07,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:07,504 INFO L85 PathProgramCache]: Analyzing trace with hash 845423946, now seen corresponding path program 1 times [2025-03-08 06:19:07,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:07,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136382849] [2025-03-08 06:19:07,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:07,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:07,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-08 06:19:07,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-08 06:19:07,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:07,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:07,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:07,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:07,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136382849] [2025-03-08 06:19:07,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136382849] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:07,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:07,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-08 06:19:07,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964384677] [2025-03-08 06:19:07,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:07,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-08 06:19:07,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:07,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-08 06:19:07,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-08 06:19:07,965 INFO L87 Difference]: Start difference. First operand 5078 states and 6906 transitions. Second operand has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:08,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:08,859 INFO L93 Difference]: Finished difference Result 17538 states and 24368 transitions. [2025-03-08 06:19:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-08 06:19:08,860 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2025-03-08 06:19:08,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:08,874 INFO L225 Difference]: With dead ends: 17538 [2025-03-08 06:19:08,875 INFO L226 Difference]: Without dead ends: 15450 [2025-03-08 06:19:08,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2025-03-08 06:19:08,881 INFO L435 NwaCegarLoop]: 487 mSDtfsCounter, 4484 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4484 SdHoareTripleChecker+Valid, 2766 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:08,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4484 Valid, 2766 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 06:19:08,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15450 states. [2025-03-08 06:19:08,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15450 to 5078. [2025-03-08 06:19:08,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5078 states, 5076 states have (on average 1.3603230890464932) internal successors, (6905), 5077 states have internal predecessors, (6905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:08,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5078 states to 5078 states and 6905 transitions. [2025-03-08 06:19:08,969 INFO L78 Accepts]: Start accepts. Automaton has 5078 states and 6905 transitions. Word has length 73 [2025-03-08 06:19:08,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:08,969 INFO L471 AbstractCegarLoop]: Abstraction has 5078 states and 6905 transitions. [2025-03-08 06:19:08,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 5078 states and 6905 transitions. [2025-03-08 06:19:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-08 06:19:08,973 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:08,973 INFO L218 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] [2025-03-08 06:19:08,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-08 06:19:08,974 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:08,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:08,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1014551585, now seen corresponding path program 1 times [2025-03-08 06:19:08,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:08,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051946584] [2025-03-08 06:19:08,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:08,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:08,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-08 06:19:08,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-08 06:19:08,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:08,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:09,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:09,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051946584] [2025-03-08 06:19:09,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051946584] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:09,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:09,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:19:09,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995065370] [2025-03-08 06:19:09,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:09,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:19:09,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:09,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:19:09,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:19:09,019 INFO L87 Difference]: Start difference. First operand 5078 states and 6905 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:09,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:09,107 INFO L93 Difference]: Finished difference Result 9805 states and 13449 transitions. [2025-03-08 06:19:09,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:19:09,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2025-03-08 06:19:09,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:09,113 INFO L225 Difference]: With dead ends: 9805 [2025-03-08 06:19:09,113 INFO L226 Difference]: Without dead ends: 6957 [2025-03-08 06:19:09,116 INFO L434 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 [2025-03-08 06:19:09,117 INFO L435 NwaCegarLoop]: 494 mSDtfsCounter, 494 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:09,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 643 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 06:19:09,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6957 states. [2025-03-08 06:19:09,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6957 to 6935. [2025-03-08 06:19:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6935 states, 6933 states have (on average 1.3764604067503245) internal successors, (9543), 6934 states have internal predecessors, (9543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6935 states to 6935 states and 9543 transitions. [2025-03-08 06:19:09,204 INFO L78 Accepts]: Start accepts. Automaton has 6935 states and 9543 transitions. Word has length 73 [2025-03-08 06:19:09,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:09,204 INFO L471 AbstractCegarLoop]: Abstraction has 6935 states and 9543 transitions. [2025-03-08 06:19:09,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:09,204 INFO L276 IsEmpty]: Start isEmpty. Operand 6935 states and 9543 transitions. [2025-03-08 06:19:09,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-08 06:19:09,209 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:09,209 INFO L218 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] [2025-03-08 06:19:09,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-08 06:19:09,209 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:09,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:09,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1544708286, now seen corresponding path program 1 times [2025-03-08 06:19:09,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:09,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078970090] [2025-03-08 06:19:09,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:09,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:09,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-08 06:19:09,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-08 06:19:09,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:09,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:09,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:09,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078970090] [2025-03-08 06:19:09,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078970090] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:09,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:09,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-08 06:19:09,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201001420] [2025-03-08 06:19:09,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:09,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-08 06:19:09,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:09,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-08 06:19:09,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-08 06:19:09,423 INFO L87 Difference]: Start difference. First operand 6935 states and 9543 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 9 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:09,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:09,998 INFO L93 Difference]: Finished difference Result 12325 states and 17154 transitions. [2025-03-08 06:19:09,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 06:19:09,998 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 9 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2025-03-08 06:19:09,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:10,004 INFO L225 Difference]: With dead ends: 12325 [2025-03-08 06:19:10,004 INFO L226 Difference]: Without dead ends: 7047 [2025-03-08 06:19:10,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2025-03-08 06:19:10,010 INFO L435 NwaCegarLoop]: 339 mSDtfsCounter, 2052 mSDsluCounter, 1411 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2052 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:10,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2052 Valid, 1750 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 06:19:10,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7047 states. [2025-03-08 06:19:10,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7047 to 6935. [2025-03-08 06:19:10,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6935 states, 6933 states have (on average 1.376171931342853) internal successors, (9541), 6934 states have internal predecessors, (9541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6935 states to 6935 states and 9541 transitions. [2025-03-08 06:19:10,076 INFO L78 Accepts]: Start accepts. Automaton has 6935 states and 9541 transitions. Word has length 73 [2025-03-08 06:19:10,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:10,076 INFO L471 AbstractCegarLoop]: Abstraction has 6935 states and 9541 transitions. [2025-03-08 06:19:10,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 9 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,076 INFO L276 IsEmpty]: Start isEmpty. Operand 6935 states and 9541 transitions. [2025-03-08 06:19:10,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-08 06:19:10,080 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:10,080 INFO L218 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] [2025-03-08 06:19:10,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-08 06:19:10,080 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:10,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:10,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1511422014, now seen corresponding path program 1 times [2025-03-08 06:19:10,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:10,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478632768] [2025-03-08 06:19:10,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:10,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:10,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-08 06:19:10,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-08 06:19:10,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:10,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:10,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:10,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478632768] [2025-03-08 06:19:10,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478632768] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:10,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:10,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:19:10,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823073972] [2025-03-08 06:19:10,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:10,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:19:10,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:10,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:19:10,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:19:10,125 INFO L87 Difference]: Start difference. First operand 6935 states and 9541 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:10,164 INFO L93 Difference]: Finished difference Result 10592 states and 14652 transitions. [2025-03-08 06:19:10,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:19:10,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2025-03-08 06:19:10,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:10,169 INFO L225 Difference]: With dead ends: 10592 [2025-03-08 06:19:10,169 INFO L226 Difference]: Without dead ends: 6939 [2025-03-08 06:19:10,172 INFO L434 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 [2025-03-08 06:19:10,173 INFO L435 NwaCegarLoop]: 742 mSDtfsCounter, 319 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:10,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 1156 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:19:10,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6939 states. [2025-03-08 06:19:10,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6939 to 6935. [2025-03-08 06:19:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6935 states, 6933 states have (on average 1.363623251117842) internal successors, (9454), 6934 states have internal predecessors, (9454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6935 states to 6935 states and 9454 transitions. [2025-03-08 06:19:10,259 INFO L78 Accepts]: Start accepts. Automaton has 6935 states and 9454 transitions. Word has length 73 [2025-03-08 06:19:10,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:10,260 INFO L471 AbstractCegarLoop]: Abstraction has 6935 states and 9454 transitions. [2025-03-08 06:19:10,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,261 INFO L276 IsEmpty]: Start isEmpty. Operand 6935 states and 9454 transitions. [2025-03-08 06:19:10,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-08 06:19:10,264 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:10,264 INFO L218 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] [2025-03-08 06:19:10,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-08 06:19:10,265 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:10,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:10,265 INFO L85 PathProgramCache]: Analyzing trace with hash 736667262, now seen corresponding path program 1 times [2025-03-08 06:19:10,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:10,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298777220] [2025-03-08 06:19:10,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:10,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:10,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-08 06:19:10,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-08 06:19:10,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:10,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:10,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:10,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298777220] [2025-03-08 06:19:10,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298777220] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:10,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:10,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:19:10,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669189872] [2025-03-08 06:19:10,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:10,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:19:10,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:10,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:19:10,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:19:10,310 INFO L87 Difference]: Start difference. First operand 6935 states and 9454 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:10,342 INFO L93 Difference]: Finished difference Result 9726 states and 13261 transitions. [2025-03-08 06:19:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:19:10,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2025-03-08 06:19:10,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:10,349 INFO L225 Difference]: With dead ends: 9726 [2025-03-08 06:19:10,349 INFO L226 Difference]: Without dead ends: 6787 [2025-03-08 06:19:10,354 INFO L434 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 [2025-03-08 06:19:10,355 INFO L435 NwaCegarLoop]: 691 mSDtfsCounter, 384 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:10,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 981 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:19:10,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6787 states. [2025-03-08 06:19:10,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6787 to 6785. [2025-03-08 06:19:10,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6785 states, 6783 states have (on average 1.3496977738463807) internal successors, (9155), 6784 states have internal predecessors, (9155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6785 states to 6785 states and 9155 transitions. [2025-03-08 06:19:10,419 INFO L78 Accepts]: Start accepts. Automaton has 6785 states and 9155 transitions. Word has length 74 [2025-03-08 06:19:10,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:10,420 INFO L471 AbstractCegarLoop]: Abstraction has 6785 states and 9155 transitions. [2025-03-08 06:19:10,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,420 INFO L276 IsEmpty]: Start isEmpty. Operand 6785 states and 9155 transitions. [2025-03-08 06:19:10,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-08 06:19:10,425 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:10,425 INFO L218 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] [2025-03-08 06:19:10,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-08 06:19:10,425 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:10,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:10,426 INFO L85 PathProgramCache]: Analyzing trace with hash 734119046, now seen corresponding path program 1 times [2025-03-08 06:19:10,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:10,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192657038] [2025-03-08 06:19:10,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:10,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:10,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-08 06:19:10,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-08 06:19:10,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:10,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:10,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:10,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:10,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192657038] [2025-03-08 06:19:10,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192657038] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:10,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:10,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:19:10,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148282555] [2025-03-08 06:19:10,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:10,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:19:10,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:10,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:19:10,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:19:10,471 INFO L87 Difference]: Start difference. First operand 6785 states and 9155 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:10,504 INFO L93 Difference]: Finished difference Result 10448 states and 14178 transitions. [2025-03-08 06:19:10,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:19:10,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2025-03-08 06:19:10,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:10,510 INFO L225 Difference]: With dead ends: 10448 [2025-03-08 06:19:10,510 INFO L226 Difference]: Without dead ends: 6787 [2025-03-08 06:19:10,514 INFO L434 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 [2025-03-08 06:19:10,515 INFO L435 NwaCegarLoop]: 736 mSDtfsCounter, 367 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:10,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 1181 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:19:10,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6787 states. [2025-03-08 06:19:10,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6787 to 6785. [2025-03-08 06:19:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6785 states, 6783 states have (on average 1.3392304290137107) internal successors, (9084), 6784 states have internal predecessors, (9084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6785 states to 6785 states and 9084 transitions. [2025-03-08 06:19:10,576 INFO L78 Accepts]: Start accepts. Automaton has 6785 states and 9084 transitions. Word has length 74 [2025-03-08 06:19:10,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:10,576 INFO L471 AbstractCegarLoop]: Abstraction has 6785 states and 9084 transitions. [2025-03-08 06:19:10,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 6785 states and 9084 transitions. [2025-03-08 06:19:10,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-08 06:19:10,579 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:10,580 INFO L218 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] [2025-03-08 06:19:10,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-08 06:19:10,580 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:10,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:10,580 INFO L85 PathProgramCache]: Analyzing trace with hash 441866604, now seen corresponding path program 1 times [2025-03-08 06:19:10,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:10,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197341190] [2025-03-08 06:19:10,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:10,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:10,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-08 06:19:10,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-08 06:19:10,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:10,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:10,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:10,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197341190] [2025-03-08 06:19:10,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197341190] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:10,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:10,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:19:10,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144459296] [2025-03-08 06:19:10,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:10,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:19:10,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:10,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:19:10,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:19:10,618 INFO L87 Difference]: Start difference. First operand 6785 states and 9084 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:10,669 INFO L93 Difference]: Finished difference Result 12476 states and 16836 transitions. [2025-03-08 06:19:10,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:19:10,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2025-03-08 06:19:10,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:10,677 INFO L225 Difference]: With dead ends: 12476 [2025-03-08 06:19:10,677 INFO L226 Difference]: Without dead ends: 8388 [2025-03-08 06:19:10,681 INFO L434 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 [2025-03-08 06:19:10,681 INFO L435 NwaCegarLoop]: 572 mSDtfsCounter, 504 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:10,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 756 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:19:10,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8388 states. [2025-03-08 06:19:10,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8388 to 6432. [2025-03-08 06:19:10,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6432 states, 6430 states have (on average 1.3409020217729393) internal successors, (8622), 6431 states have internal predecessors, (8622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6432 states to 6432 states and 8622 transitions. [2025-03-08 06:19:10,769 INFO L78 Accepts]: Start accepts. Automaton has 6432 states and 8622 transitions. Word has length 75 [2025-03-08 06:19:10,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:10,769 INFO L471 AbstractCegarLoop]: Abstraction has 6432 states and 8622 transitions. [2025-03-08 06:19:10,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,769 INFO L276 IsEmpty]: Start isEmpty. Operand 6432 states and 8622 transitions. [2025-03-08 06:19:10,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-08 06:19:10,773 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:10,773 INFO L218 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] [2025-03-08 06:19:10,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-08 06:19:10,773 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:10,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:10,773 INFO L85 PathProgramCache]: Analyzing trace with hash -796087671, now seen corresponding path program 1 times [2025-03-08 06:19:10,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:10,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454033952] [2025-03-08 06:19:10,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:10,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:10,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-08 06:19:10,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-08 06:19:10,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:10,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:10,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:10,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454033952] [2025-03-08 06:19:10,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454033952] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:10,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:10,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:19:10,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717177207] [2025-03-08 06:19:10,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:10,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:19:10,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:10,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:19:10,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:19:10,810 INFO L87 Difference]: Start difference. First operand 6432 states and 8622 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:10,873 INFO L93 Difference]: Finished difference Result 11979 states and 16159 transitions. [2025-03-08 06:19:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:19:10,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2025-03-08 06:19:10,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:10,881 INFO L225 Difference]: With dead ends: 11979 [2025-03-08 06:19:10,881 INFO L226 Difference]: Without dead ends: 7944 [2025-03-08 06:19:10,886 INFO L434 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 [2025-03-08 06:19:10,887 INFO L435 NwaCegarLoop]: 469 mSDtfsCounter, 424 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:10,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 665 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:19:10,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7944 states. [2025-03-08 06:19:10,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7944 to 6093. [2025-03-08 06:19:10,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6093 states, 6091 states have (on average 1.3408307338696437) internal successors, (8167), 6092 states have internal predecessors, (8167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6093 states to 6093 states and 8167 transitions. [2025-03-08 06:19:10,946 INFO L78 Accepts]: Start accepts. Automaton has 6093 states and 8167 transitions. Word has length 75 [2025-03-08 06:19:10,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:10,947 INFO L471 AbstractCegarLoop]: Abstraction has 6093 states and 8167 transitions. [2025-03-08 06:19:10,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:10,947 INFO L276 IsEmpty]: Start isEmpty. Operand 6093 states and 8167 transitions. [2025-03-08 06:19:10,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-08 06:19:10,949 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:10,950 INFO L218 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] [2025-03-08 06:19:10,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-08 06:19:10,950 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:10,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:10,950 INFO L85 PathProgramCache]: Analyzing trace with hash 523938046, now seen corresponding path program 1 times [2025-03-08 06:19:10,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:10,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140951025] [2025-03-08 06:19:10,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:10,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:10,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-08 06:19:10,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-08 06:19:10,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:10,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:11,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:11,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140951025] [2025-03-08 06:19:11,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140951025] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:11,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:11,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 06:19:11,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733359497] [2025-03-08 06:19:11,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:11,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 06:19:11,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:11,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 06:19:11,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:19:11,106 INFO L87 Difference]: Start difference. First operand 6093 states and 8167 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:11,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:11,545 INFO L93 Difference]: Finished difference Result 8377 states and 11242 transitions. [2025-03-08 06:19:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-08 06:19:11,546 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2025-03-08 06:19:11,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:11,553 INFO L225 Difference]: With dead ends: 8377 [2025-03-08 06:19:11,553 INFO L226 Difference]: Without dead ends: 8064 [2025-03-08 06:19:11,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2025-03-08 06:19:11,555 INFO L435 NwaCegarLoop]: 323 mSDtfsCounter, 1829 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 1315 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:11,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1829 Valid, 1315 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:19:11,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8064 states. [2025-03-08 06:19:11,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8064 to 6093. [2025-03-08 06:19:11,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6093 states, 6091 states have (on average 1.340666557215564) internal successors, (8166), 6092 states have internal predecessors, (8166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6093 states to 6093 states and 8166 transitions. [2025-03-08 06:19:11,636 INFO L78 Accepts]: Start accepts. Automaton has 6093 states and 8166 transitions. Word has length 75 [2025-03-08 06:19:11,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:11,636 INFO L471 AbstractCegarLoop]: Abstraction has 6093 states and 8166 transitions. [2025-03-08 06:19:11,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 6093 states and 8166 transitions. [2025-03-08 06:19:11,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-08 06:19:11,639 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:11,639 INFO L218 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] [2025-03-08 06:19:11,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-03-08 06:19:11,640 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:11,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:11,640 INFO L85 PathProgramCache]: Analyzing trace with hash 843102187, now seen corresponding path program 1 times [2025-03-08 06:19:11,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:11,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385533200] [2025-03-08 06:19:11,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:11,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:11,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-08 06:19:11,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-08 06:19:11,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:11,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:11,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:11,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:11,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385533200] [2025-03-08 06:19:11,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385533200] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:11,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:11,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 06:19:11,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453658247] [2025-03-08 06:19:11,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:11,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 06:19:11,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:11,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 06:19:11,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:19:11,821 INFO L87 Difference]: Start difference. First operand 6093 states and 8166 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:12,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:12,336 INFO L93 Difference]: Finished difference Result 9868 states and 13286 transitions. [2025-03-08 06:19:12,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 06:19:12,336 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2025-03-08 06:19:12,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:12,343 INFO L225 Difference]: With dead ends: 9868 [2025-03-08 06:19:12,344 INFO L226 Difference]: Without dead ends: 9556 [2025-03-08 06:19:12,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2025-03-08 06:19:12,346 INFO L435 NwaCegarLoop]: 320 mSDtfsCounter, 2081 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 1563 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:12,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 1563 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 06:19:12,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9556 states. [2025-03-08 06:19:12,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9556 to 6089. [2025-03-08 06:19:12,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6089 states, 6087 states have (on average 1.3402332840479712) internal successors, (8158), 6088 states have internal predecessors, (8158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6089 states to 6089 states and 8158 transitions. [2025-03-08 06:19:12,403 INFO L78 Accepts]: Start accepts. Automaton has 6089 states and 8158 transitions. Word has length 75 [2025-03-08 06:19:12,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:12,403 INFO L471 AbstractCegarLoop]: Abstraction has 6089 states and 8158 transitions. [2025-03-08 06:19:12,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 6089 states and 8158 transitions. [2025-03-08 06:19:12,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-08 06:19:12,406 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:12,406 INFO L218 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] [2025-03-08 06:19:12,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-08 06:19:12,406 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:12,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:12,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1326350626, now seen corresponding path program 1 times [2025-03-08 06:19:12,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:12,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599030551] [2025-03-08 06:19:12,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:12,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:12,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-08 06:19:12,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-08 06:19:12,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:12,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:12,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:12,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599030551] [2025-03-08 06:19:12,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599030551] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:12,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:12,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 06:19:12,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133712972] [2025-03-08 06:19:12,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:12,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 06:19:12,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:12,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 06:19:12,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:19:12,620 INFO L87 Difference]: Start difference. First operand 6089 states and 8158 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:13,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:13,178 INFO L93 Difference]: Finished difference Result 10488 states and 14137 transitions. [2025-03-08 06:19:13,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 06:19:13,179 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2025-03-08 06:19:13,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:13,189 INFO L225 Difference]: With dead ends: 10488 [2025-03-08 06:19:13,189 INFO L226 Difference]: Without dead ends: 9551 [2025-03-08 06:19:13,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2025-03-08 06:19:13,194 INFO L435 NwaCegarLoop]: 326 mSDtfsCounter, 2043 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2043 SdHoareTripleChecker+Valid, 1560 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:13,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2043 Valid, 1560 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 06:19:13,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9551 states. [2025-03-08 06:19:13,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9551 to 6066. [2025-03-08 06:19:13,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6066 states, 6064 states have (on average 1.3403693931398417) internal successors, (8128), 6065 states have internal predecessors, (8128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:13,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6066 states to 6066 states and 8128 transitions. [2025-03-08 06:19:13,280 INFO L78 Accepts]: Start accepts. Automaton has 6066 states and 8128 transitions. Word has length 76 [2025-03-08 06:19:13,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:13,280 INFO L471 AbstractCegarLoop]: Abstraction has 6066 states and 8128 transitions. [2025-03-08 06:19:13,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:13,281 INFO L276 IsEmpty]: Start isEmpty. Operand 6066 states and 8128 transitions. [2025-03-08 06:19:13,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-08 06:19:13,284 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:13,284 INFO L218 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] [2025-03-08 06:19:13,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-08 06:19:13,284 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:13,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:13,284 INFO L85 PathProgramCache]: Analyzing trace with hash -890629057, now seen corresponding path program 1 times [2025-03-08 06:19:13,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:13,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995394940] [2025-03-08 06:19:13,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:13,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:13,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-08 06:19:13,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-08 06:19:13,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:13,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:13,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:13,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995394940] [2025-03-08 06:19:13,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995394940] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:13,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:13,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:19:13,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159816685] [2025-03-08 06:19:13,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:13,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:19:13,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:13,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:19:13,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:19:13,337 INFO L87 Difference]: Start difference. First operand 6066 states and 8128 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:13,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:13,383 INFO L93 Difference]: Finished difference Result 8018 states and 10761 transitions. [2025-03-08 06:19:13,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:19:13,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2025-03-08 06:19:13,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:13,388 INFO L225 Difference]: With dead ends: 8018 [2025-03-08 06:19:13,388 INFO L226 Difference]: Without dead ends: 5090 [2025-03-08 06:19:13,390 INFO L434 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 [2025-03-08 06:19:13,390 INFO L435 NwaCegarLoop]: 597 mSDtfsCounter, 296 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:13,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 870 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:19:13,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5090 states. [2025-03-08 06:19:13,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5090 to 3983. [2025-03-08 06:19:13,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3983 states, 3981 states have (on average 1.3124843004270283) internal successors, (5225), 3982 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:13,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3983 states to 3983 states and 5225 transitions. [2025-03-08 06:19:13,425 INFO L78 Accepts]: Start accepts. Automaton has 3983 states and 5225 transitions. Word has length 76 [2025-03-08 06:19:13,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:13,425 INFO L471 AbstractCegarLoop]: Abstraction has 3983 states and 5225 transitions. [2025-03-08 06:19:13,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:13,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3983 states and 5225 transitions. [2025-03-08 06:19:13,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-08 06:19:13,427 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:13,428 INFO L218 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] [2025-03-08 06:19:13,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-08 06:19:13,428 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:13,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:13,428 INFO L85 PathProgramCache]: Analyzing trace with hash 701255654, now seen corresponding path program 1 times [2025-03-08 06:19:13,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:13,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47310411] [2025-03-08 06:19:13,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:13,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:13,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-08 06:19:13,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-08 06:19:13,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:13,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:13,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:13,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:13,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47310411] [2025-03-08 06:19:13,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47310411] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:13,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:13,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-08 06:19:13,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107943992] [2025-03-08 06:19:13,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:13,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-08 06:19:13,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:13,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-08 06:19:13,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-03-08 06:19:13,683 INFO L87 Difference]: Start difference. First operand 3983 states and 5225 transitions. Second operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:14,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:14,718 INFO L93 Difference]: Finished difference Result 12457 states and 16590 transitions. [2025-03-08 06:19:14,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-08 06:19:14,718 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2025-03-08 06:19:14,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:14,730 INFO L225 Difference]: With dead ends: 12457 [2025-03-08 06:19:14,730 INFO L226 Difference]: Without dead ends: 12380 [2025-03-08 06:19:14,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=719, Unknown=0, NotChecked=0, Total=992 [2025-03-08 06:19:14,733 INFO L435 NwaCegarLoop]: 334 mSDtfsCounter, 5342 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5342 SdHoareTripleChecker+Valid, 1573 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:14,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5342 Valid, 1573 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 06:19:14,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12380 states. [2025-03-08 06:19:14,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12380 to 3987. [2025-03-08 06:19:14,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3987 states, 3985 states have (on average 1.3121706398996236) internal successors, (5229), 3986 states have internal predecessors, (5229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:14,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 3987 states and 5229 transitions. [2025-03-08 06:19:14,805 INFO L78 Accepts]: Start accepts. Automaton has 3987 states and 5229 transitions. Word has length 76 [2025-03-08 06:19:14,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:14,805 INFO L471 AbstractCegarLoop]: Abstraction has 3987 states and 5229 transitions. [2025-03-08 06:19:14,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:14,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3987 states and 5229 transitions. [2025-03-08 06:19:14,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-08 06:19:14,806 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:14,807 INFO L218 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] [2025-03-08 06:19:14,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-08 06:19:14,807 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:14,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:14,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1449166823, now seen corresponding path program 1 times [2025-03-08 06:19:14,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:14,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066795341] [2025-03-08 06:19:14,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:14,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:14,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-08 06:19:14,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-08 06:19:14,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:14,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:14,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:14,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066795341] [2025-03-08 06:19:14,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066795341] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:14,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:14,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 06:19:14,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621478022] [2025-03-08 06:19:14,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:14,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 06:19:14,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:14,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 06:19:14,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:19:14,983 INFO L87 Difference]: Start difference. First operand 3987 states and 5229 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:15,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:15,436 INFO L93 Difference]: Finished difference Result 6142 states and 8110 transitions. [2025-03-08 06:19:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 06:19:15,436 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2025-03-08 06:19:15,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:15,442 INFO L225 Difference]: With dead ends: 6142 [2025-03-08 06:19:15,442 INFO L226 Difference]: Without dead ends: 6075 [2025-03-08 06:19:15,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2025-03-08 06:19:15,444 INFO L435 NwaCegarLoop]: 327 mSDtfsCounter, 2037 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2037 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:15,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2037 Valid, 1585 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:19:15,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6075 states. [2025-03-08 06:19:15,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6075 to 3987. [2025-03-08 06:19:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3987 states, 3985 states have (on average 1.3119196988707653) internal successors, (5228), 3986 states have internal predecessors, (5228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:15,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 3987 states and 5228 transitions. [2025-03-08 06:19:15,487 INFO L78 Accepts]: Start accepts. Automaton has 3987 states and 5228 transitions. Word has length 76 [2025-03-08 06:19:15,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:15,487 INFO L471 AbstractCegarLoop]: Abstraction has 3987 states and 5228 transitions. [2025-03-08 06:19:15,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:15,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3987 states and 5228 transitions. [2025-03-08 06:19:15,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 06:19:15,489 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:15,489 INFO L218 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] [2025-03-08 06:19:15,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-03-08 06:19:15,489 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:15,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:15,490 INFO L85 PathProgramCache]: Analyzing trace with hash 198230752, now seen corresponding path program 1 times [2025-03-08 06:19:15,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:15,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593766974] [2025-03-08 06:19:15,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:15,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:15,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 06:19:15,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 06:19:15,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:15,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:15,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:15,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:15,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593766974] [2025-03-08 06:19:15,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593766974] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:15,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:15,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 06:19:15,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419923189] [2025-03-08 06:19:15,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:15,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 06:19:15,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:15,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 06:19:15,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:19:15,644 INFO L87 Difference]: Start difference. First operand 3987 states and 5228 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:16,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:16,072 INFO L93 Difference]: Finished difference Result 5280 states and 6940 transitions. [2025-03-08 06:19:16,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-08 06:19:16,074 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2025-03-08 06:19:16,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:16,078 INFO L225 Difference]: With dead ends: 5280 [2025-03-08 06:19:16,078 INFO L226 Difference]: Without dead ends: 5203 [2025-03-08 06:19:16,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2025-03-08 06:19:16,079 INFO L435 NwaCegarLoop]: 320 mSDtfsCounter, 1125 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:16,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 1294 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:19:16,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5203 states. [2025-03-08 06:19:16,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5203 to 3983. [2025-03-08 06:19:16,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3983 states, 3981 states have (on average 1.3119819140919367) internal successors, (5223), 3982 states have internal predecessors, (5223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:16,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3983 states to 3983 states and 5223 transitions. [2025-03-08 06:19:16,133 INFO L78 Accepts]: Start accepts. Automaton has 3983 states and 5223 transitions. Word has length 77 [2025-03-08 06:19:16,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:16,133 INFO L471 AbstractCegarLoop]: Abstraction has 3983 states and 5223 transitions. [2025-03-08 06:19:16,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:16,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3983 states and 5223 transitions. [2025-03-08 06:19:16,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-08 06:19:16,136 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:16,136 INFO L218 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] [2025-03-08 06:19:16,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-08 06:19:16,136 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:16,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:16,137 INFO L85 PathProgramCache]: Analyzing trace with hash -248390209, now seen corresponding path program 1 times [2025-03-08 06:19:16,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:16,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037354964] [2025-03-08 06:19:16,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:16,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:16,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-08 06:19:16,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-08 06:19:16,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:16,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:16,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:16,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037354964] [2025-03-08 06:19:16,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037354964] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:16,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:16,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2025-03-08 06:19:16,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707817417] [2025-03-08 06:19:16,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:16,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-08 06:19:16,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:16,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-08 06:19:16,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2025-03-08 06:19:16,705 INFO L87 Difference]: Start difference. First operand 3983 states and 5223 transitions. Second operand has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:17,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:17,328 INFO L93 Difference]: Finished difference Result 12254 states and 16342 transitions. [2025-03-08 06:19:17,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-08 06:19:17,328 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2025-03-08 06:19:17,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:17,343 INFO L225 Difference]: With dead ends: 12254 [2025-03-08 06:19:17,343 INFO L226 Difference]: Without dead ends: 12160 [2025-03-08 06:19:17,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2025-03-08 06:19:17,345 INFO L435 NwaCegarLoop]: 431 mSDtfsCounter, 2932 mSDsluCounter, 3229 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2932 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:17,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2932 Valid, 3660 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:19:17,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12160 states. [2025-03-08 06:19:17,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12160 to 3954. [2025-03-08 06:19:17,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3954 states, 3953 states have (on average 1.311409056412851) internal successors, (5184), 3953 states have internal predecessors, (5184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:17,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3954 states to 3954 states and 5184 transitions. [2025-03-08 06:19:17,397 INFO L78 Accepts]: Start accepts. Automaton has 3954 states and 5184 transitions. Word has length 78 [2025-03-08 06:19:17,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:17,397 INFO L471 AbstractCegarLoop]: Abstraction has 3954 states and 5184 transitions. [2025-03-08 06:19:17,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3954 states and 5184 transitions. [2025-03-08 06:19:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-08 06:19:17,399 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:17,399 INFO L218 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] [2025-03-08 06:19:17,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-08 06:19:17,400 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:17,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:17,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1602659903, now seen corresponding path program 1 times [2025-03-08 06:19:17,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:17,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804532662] [2025-03-08 06:19:17,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:17,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:17,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-08 06:19:17,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-08 06:19:17,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:17,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:18,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:18,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:18,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804532662] [2025-03-08 06:19:18,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804532662] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:18,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:18,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2025-03-08 06:19:18,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756577710] [2025-03-08 06:19:18,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:18,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-03-08 06:19:18,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:18,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-03-08 06:19:18,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=639, Unknown=0, NotChecked=0, Total=702 [2025-03-08 06:19:18,621 INFO L87 Difference]: Start difference. First operand 3954 states and 5184 transitions. Second operand has 27 states, 27 states have (on average 2.925925925925926) internal successors, (79), 27 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:21,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:21,663 INFO L93 Difference]: Finished difference Result 7891 states and 10386 transitions. [2025-03-08 06:19:21,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-08 06:19:21,664 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.925925925925926) internal successors, (79), 27 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2025-03-08 06:19:21,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:21,670 INFO L225 Difference]: With dead ends: 7891 [2025-03-08 06:19:21,670 INFO L226 Difference]: Without dead ends: 7825 [2025-03-08 06:19:21,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=420, Invalid=2232, Unknown=0, NotChecked=0, Total=2652 [2025-03-08 06:19:21,671 INFO L435 NwaCegarLoop]: 401 mSDtfsCounter, 3883 mSDsluCounter, 6523 mSDsCounter, 0 mSdLazyCounter, 3590 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3883 SdHoareTripleChecker+Valid, 6924 SdHoareTripleChecker+Invalid, 3604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 3590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:21,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3883 Valid, 6924 Invalid, 3604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 3590 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-08 06:19:21,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7825 states. [2025-03-08 06:19:21,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7825 to 3972. [2025-03-08 06:19:21,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3972 states, 3971 states have (on average 1.3115084361621758) internal successors, (5208), 3971 states have internal predecessors, (5208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3972 states to 3972 states and 5208 transitions. [2025-03-08 06:19:21,705 INFO L78 Accepts]: Start accepts. Automaton has 3972 states and 5208 transitions. Word has length 79 [2025-03-08 06:19:21,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:21,706 INFO L471 AbstractCegarLoop]: Abstraction has 3972 states and 5208 transitions. [2025-03-08 06:19:21,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.925925925925926) internal successors, (79), 27 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:21,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3972 states and 5208 transitions. [2025-03-08 06:19:21,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-08 06:19:21,708 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:21,708 INFO L218 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] [2025-03-08 06:19:21,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-08 06:19:21,708 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:21,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:21,709 INFO L85 PathProgramCache]: Analyzing trace with hash -652447485, now seen corresponding path program 1 times [2025-03-08 06:19:21,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:21,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960368180] [2025-03-08 06:19:21,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:21,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:21,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-08 06:19:21,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-08 06:19:21,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:21,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:22,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:22,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960368180] [2025-03-08 06:19:22,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960368180] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:22,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:22,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2025-03-08 06:19:22,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686446080] [2025-03-08 06:19:22,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:22,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-08 06:19:22,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:22,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-08 06:19:22,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=502, Unknown=0, NotChecked=0, Total=552 [2025-03-08 06:19:22,657 INFO L87 Difference]: Start difference. First operand 3972 states and 5208 transitions. Second operand has 24 states, 24 states have (on average 3.2916666666666665) internal successors, (79), 24 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:25,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:25,249 INFO L93 Difference]: Finished difference Result 11115 states and 14753 transitions. [2025-03-08 06:19:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-03-08 06:19:25,250 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.2916666666666665) internal successors, (79), 24 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2025-03-08 06:19:25,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:25,260 INFO L225 Difference]: With dead ends: 11115 [2025-03-08 06:19:25,261 INFO L226 Difference]: Without dead ends: 11047 [2025-03-08 06:19:25,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=346, Invalid=1724, Unknown=0, NotChecked=0, Total=2070 [2025-03-08 06:19:25,270 INFO L435 NwaCegarLoop]: 377 mSDtfsCounter, 3743 mSDsluCounter, 5758 mSDsCounter, 0 mSdLazyCounter, 3200 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3743 SdHoareTripleChecker+Valid, 6135 SdHoareTripleChecker+Invalid, 3220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 3200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:25,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3743 Valid, 6135 Invalid, 3220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 3200 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-08 06:19:25,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11047 states. [2025-03-08 06:19:25,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11047 to 3984. [2025-03-08 06:19:25,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3984 states, 3983 states have (on average 1.311072056239016) internal successors, (5222), 3983 states have internal predecessors, (5222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:25,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3984 states to 3984 states and 5222 transitions. [2025-03-08 06:19:25,350 INFO L78 Accepts]: Start accepts. Automaton has 3984 states and 5222 transitions. Word has length 79 [2025-03-08 06:19:25,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:25,350 INFO L471 AbstractCegarLoop]: Abstraction has 3984 states and 5222 transitions. [2025-03-08 06:19:25,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.2916666666666665) internal successors, (79), 24 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:25,350 INFO L276 IsEmpty]: Start isEmpty. Operand 3984 states and 5222 transitions. [2025-03-08 06:19:25,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-08 06:19:25,353 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:25,353 INFO L218 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] [2025-03-08 06:19:25,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-08 06:19:25,353 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:25,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:25,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1147145692, now seen corresponding path program 1 times [2025-03-08 06:19:25,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:25,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554109761] [2025-03-08 06:19:25,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:25,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:25,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-08 06:19:25,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-08 06:19:25,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:25,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:25,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:25,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:25,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554109761] [2025-03-08 06:19:25,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554109761] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:25,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:25,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-08 06:19:25,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110040396] [2025-03-08 06:19:25,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:25,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-08 06:19:25,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:25,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-08 06:19:25,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-08 06:19:25,769 INFO L87 Difference]: Start difference. First operand 3984 states and 5222 transitions. Second operand has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:26,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:26,300 INFO L93 Difference]: Finished difference Result 11354 states and 15084 transitions. [2025-03-08 06:19:26,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-08 06:19:26,300 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2025-03-08 06:19:26,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:26,311 INFO L225 Difference]: With dead ends: 11354 [2025-03-08 06:19:26,311 INFO L226 Difference]: Without dead ends: 11244 [2025-03-08 06:19:26,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2025-03-08 06:19:26,314 INFO L435 NwaCegarLoop]: 346 mSDtfsCounter, 3311 mSDsluCounter, 2208 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3311 SdHoareTripleChecker+Valid, 2554 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:26,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3311 Valid, 2554 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:19:26,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11244 states. [2025-03-08 06:19:26,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11244 to 3939. [2025-03-08 06:19:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3939 states, 3938 states have (on average 1.3118334179786695) internal successors, (5166), 3938 states have internal predecessors, (5166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:26,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3939 states and 5166 transitions. [2025-03-08 06:19:26,399 INFO L78 Accepts]: Start accepts. Automaton has 3939 states and 5166 transitions. Word has length 79 [2025-03-08 06:19:26,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:26,400 INFO L471 AbstractCegarLoop]: Abstraction has 3939 states and 5166 transitions. [2025-03-08 06:19:26,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:26,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3939 states and 5166 transitions. [2025-03-08 06:19:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-08 06:19:26,407 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:26,407 INFO L218 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] [2025-03-08 06:19:26,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-03-08 06:19:26,407 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:26,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:26,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1048600896, now seen corresponding path program 1 times [2025-03-08 06:19:26,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:26,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119699627] [2025-03-08 06:19:26,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:26,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:26,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-08 06:19:26,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-08 06:19:26,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:26,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:26,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:26,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:26,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119699627] [2025-03-08 06:19:26,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119699627] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:26,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:26,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-08 06:19:26,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741758724] [2025-03-08 06:19:26,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:26,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-08 06:19:26,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:26,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-08 06:19:26,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-03-08 06:19:26,842 INFO L87 Difference]: Start difference. First operand 3939 states and 5166 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:27,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:27,298 INFO L93 Difference]: Finished difference Result 6730 states and 8914 transitions. [2025-03-08 06:19:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-08 06:19:27,299 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-08 06:19:27,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:27,304 INFO L225 Difference]: With dead ends: 6730 [2025-03-08 06:19:27,304 INFO L226 Difference]: Without dead ends: 6664 [2025-03-08 06:19:27,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2025-03-08 06:19:27,305 INFO L435 NwaCegarLoop]: 363 mSDtfsCounter, 1328 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 2300 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:27,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 2300 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:19:27,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6664 states. [2025-03-08 06:19:27,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6664 to 3920. [2025-03-08 06:19:27,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3920 states, 3919 states have (on average 1.3115590711916305) internal successors, (5140), 3919 states have internal predecessors, (5140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 5140 transitions. [2025-03-08 06:19:27,366 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 5140 transitions. Word has length 80 [2025-03-08 06:19:27,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:27,366 INFO L471 AbstractCegarLoop]: Abstraction has 3920 states and 5140 transitions. [2025-03-08 06:19:27,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 5140 transitions. [2025-03-08 06:19:27,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-08 06:19:27,368 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:27,368 INFO L218 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] [2025-03-08 06:19:27,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-03-08 06:19:27,369 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:27,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:27,369 INFO L85 PathProgramCache]: Analyzing trace with hash 951186393, now seen corresponding path program 1 times [2025-03-08 06:19:27,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:27,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350464514] [2025-03-08 06:19:27,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:27,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:27,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-08 06:19:27,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-08 06:19:27,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:27,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:27,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:27,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350464514] [2025-03-08 06:19:27,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350464514] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:27,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:27,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:19:27,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208416945] [2025-03-08 06:19:27,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:27,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:19:27,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:27,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:19:27,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:19:27,446 INFO L87 Difference]: Start difference. First operand 3920 states and 5140 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:27,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:27,545 INFO L93 Difference]: Finished difference Result 11292 states and 15234 transitions. [2025-03-08 06:19:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:19:27,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2025-03-08 06:19:27,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:27,553 INFO L225 Difference]: With dead ends: 11292 [2025-03-08 06:19:27,554 INFO L226 Difference]: Without dead ends: 8428 [2025-03-08 06:19:27,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:19:27,558 INFO L435 NwaCegarLoop]: 377 mSDtfsCounter, 1813 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:27,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1813 Valid, 1151 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 06:19:27,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8428 states. [2025-03-08 06:19:27,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8428 to 6410. [2025-03-08 06:19:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6410 states, 6409 states have (on average 1.3173662037759402) internal successors, (8443), 6409 states have internal predecessors, (8443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:27,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6410 states to 6410 states and 8443 transitions. [2025-03-08 06:19:27,624 INFO L78 Accepts]: Start accepts. Automaton has 6410 states and 8443 transitions. Word has length 85 [2025-03-08 06:19:27,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:27,624 INFO L471 AbstractCegarLoop]: Abstraction has 6410 states and 8443 transitions. [2025-03-08 06:19:27,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:27,624 INFO L276 IsEmpty]: Start isEmpty. Operand 6410 states and 8443 transitions. [2025-03-08 06:19:27,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-08 06:19:27,629 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:27,629 INFO L218 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] [2025-03-08 06:19:27,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-03-08 06:19:27,630 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:27,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:27,630 INFO L85 PathProgramCache]: Analyzing trace with hash -548408309, now seen corresponding path program 1 times [2025-03-08 06:19:27,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:27,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750814734] [2025-03-08 06:19:27,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:27,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:27,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-08 06:19:27,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-08 06:19:27,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:27,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:27,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:27,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:27,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750814734] [2025-03-08 06:19:27,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750814734] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:27,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:27,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:19:27,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018368900] [2025-03-08 06:19:27,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:27,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:19:27,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:27,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:19:27,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:19:27,810 INFO L87 Difference]: Start difference. First operand 6410 states and 8443 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:27,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:27,899 INFO L93 Difference]: Finished difference Result 6418 states and 8447 transitions. [2025-03-08 06:19:27,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:19:27,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2025-03-08 06:19:27,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:27,906 INFO L225 Difference]: With dead ends: 6418 [2025-03-08 06:19:27,906 INFO L226 Difference]: Without dead ends: 5975 [2025-03-08 06:19:27,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:19:27,908 INFO L435 NwaCegarLoop]: 530 mSDtfsCounter, 1008 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1008 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:27,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1008 Valid, 1050 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 06:19:27,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5975 states. [2025-03-08 06:19:27,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5975 to 5969. [2025-03-08 06:19:27,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5969 states, 5968 states have (on average 1.319872654155496) internal successors, (7877), 5968 states have internal predecessors, (7877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5969 states to 5969 states and 7877 transitions. [2025-03-08 06:19:27,959 INFO L78 Accepts]: Start accepts. Automaton has 5969 states and 7877 transitions. Word has length 86 [2025-03-08 06:19:27,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:27,959 INFO L471 AbstractCegarLoop]: Abstraction has 5969 states and 7877 transitions. [2025-03-08 06:19:27,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:27,959 INFO L276 IsEmpty]: Start isEmpty. Operand 5969 states and 7877 transitions. [2025-03-08 06:19:27,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-08 06:19:27,963 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:27,963 INFO L218 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] [2025-03-08 06:19:27,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-03-08 06:19:27,964 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:27,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:27,964 INFO L85 PathProgramCache]: Analyzing trace with hash -128250873, now seen corresponding path program 1 times [2025-03-08 06:19:27,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:27,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713278767] [2025-03-08 06:19:27,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:27,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:27,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-08 06:19:27,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-08 06:19:27,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:27,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:28,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:28,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713278767] [2025-03-08 06:19:28,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713278767] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:28,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:28,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:19:28,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773183314] [2025-03-08 06:19:28,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:28,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:19:28,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:28,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:19:28,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:19:28,056 INFO L87 Difference]: Start difference. First operand 5969 states and 7877 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:28,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:28,111 INFO L93 Difference]: Finished difference Result 15613 states and 20855 transitions. [2025-03-08 06:19:28,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:19:28,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2025-03-08 06:19:28,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:28,121 INFO L225 Difference]: With dead ends: 15613 [2025-03-08 06:19:28,122 INFO L226 Difference]: Without dead ends: 10631 [2025-03-08 06:19:28,126 INFO L434 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 [2025-03-08 06:19:28,126 INFO L435 NwaCegarLoop]: 463 mSDtfsCounter, 160 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:28,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 770 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:19:28,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10631 states. [2025-03-08 06:19:28,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10631 to 10133. [2025-03-08 06:19:28,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10133 states, 10132 states have (on average 1.324022897749704) internal successors, (13415), 10132 states have internal predecessors, (13415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10133 states to 10133 states and 13415 transitions. [2025-03-08 06:19:28,211 INFO L78 Accepts]: Start accepts. Automaton has 10133 states and 13415 transitions. Word has length 87 [2025-03-08 06:19:28,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:28,211 INFO L471 AbstractCegarLoop]: Abstraction has 10133 states and 13415 transitions. [2025-03-08 06:19:28,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 10133 states and 13415 transitions. [2025-03-08 06:19:28,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-08 06:19:28,215 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:28,215 INFO L218 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] [2025-03-08 06:19:28,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2025-03-08 06:19:28,215 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:28,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:28,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1221525511, now seen corresponding path program 1 times [2025-03-08 06:19:28,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:28,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616584829] [2025-03-08 06:19:28,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:28,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:28,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-08 06:19:28,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-08 06:19:28,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:28,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:28,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:28,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616584829] [2025-03-08 06:19:28,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616584829] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:28,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:28,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:19:28,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330385401] [2025-03-08 06:19:28,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:28,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:19:28,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:28,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:19:28,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:19:28,306 INFO L87 Difference]: Start difference. First operand 10133 states and 13415 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:28,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:28,370 INFO L93 Difference]: Finished difference Result 27785 states and 36985 transitions. [2025-03-08 06:19:28,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:19:28,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2025-03-08 06:19:28,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:28,390 INFO L225 Difference]: With dead ends: 27785 [2025-03-08 06:19:28,391 INFO L226 Difference]: Without dead ends: 18639 [2025-03-08 06:19:28,399 INFO L434 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 [2025-03-08 06:19:28,399 INFO L435 NwaCegarLoop]: 445 mSDtfsCounter, 135 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:28,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 766 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:19:28,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18639 states. [2025-03-08 06:19:28,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18639 to 17645. [2025-03-08 06:19:28,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17645 states, 17644 states have (on average 1.320505554296078) internal successors, (23299), 17644 states have internal predecessors, (23299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:28,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17645 states to 17645 states and 23299 transitions. [2025-03-08 06:19:28,643 INFO L78 Accepts]: Start accepts. Automaton has 17645 states and 23299 transitions. Word has length 88 [2025-03-08 06:19:28,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:28,643 INFO L471 AbstractCegarLoop]: Abstraction has 17645 states and 23299 transitions. [2025-03-08 06:19:28,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:28,643 INFO L276 IsEmpty]: Start isEmpty. Operand 17645 states and 23299 transitions. [2025-03-08 06:19:28,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-08 06:19:28,648 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:28,649 INFO L218 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] [2025-03-08 06:19:28,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2025-03-08 06:19:28,649 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:28,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:28,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1391192735, now seen corresponding path program 1 times [2025-03-08 06:19:28,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:28,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548844965] [2025-03-08 06:19:28,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:28,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:28,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-08 06:19:28,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-08 06:19:28,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:28,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:28,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:28,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:28,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548844965] [2025-03-08 06:19:28,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548844965] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:28,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:28,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:19:28,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434317694] [2025-03-08 06:19:28,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:28,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:19:28,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:28,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:19:28,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:19:28,760 INFO L87 Difference]: Start difference. First operand 17645 states and 23299 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:28,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:28,877 INFO L93 Difference]: Finished difference Result 49681 states and 65669 transitions. [2025-03-08 06:19:28,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:19:28,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2025-03-08 06:19:28,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:28,911 INFO L225 Difference]: With dead ends: 49681 [2025-03-08 06:19:28,911 INFO L226 Difference]: Without dead ends: 33023 [2025-03-08 06:19:28,928 INFO L434 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 [2025-03-08 06:19:28,928 INFO L435 NwaCegarLoop]: 427 mSDtfsCounter, 102 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:28,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 764 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:19:28,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33023 states. [2025-03-08 06:19:29,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33023 to 31037. [2025-03-08 06:19:29,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31037 states, 31036 states have (on average 1.310832581518237) internal successors, (40683), 31036 states have internal predecessors, (40683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:29,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31037 states to 31037 states and 40683 transitions. [2025-03-08 06:19:29,300 INFO L78 Accepts]: Start accepts. Automaton has 31037 states and 40683 transitions. Word has length 91 [2025-03-08 06:19:29,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:29,301 INFO L471 AbstractCegarLoop]: Abstraction has 31037 states and 40683 transitions. [2025-03-08 06:19:29,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:29,301 INFO L276 IsEmpty]: Start isEmpty. Operand 31037 states and 40683 transitions. [2025-03-08 06:19:29,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-08 06:19:29,304 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:29,304 INFO L218 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] [2025-03-08 06:19:29,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2025-03-08 06:19:29,304 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:29,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:29,304 INFO L85 PathProgramCache]: Analyzing trace with hash -929431275, now seen corresponding path program 1 times [2025-03-08 06:19:29,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:29,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268673343] [2025-03-08 06:19:29,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:29,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:29,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-08 06:19:29,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-08 06:19:29,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:29,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:29,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:29,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268673343] [2025-03-08 06:19:29,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268673343] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:29,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:29,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:19:29,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154231653] [2025-03-08 06:19:29,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:29,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:19:29,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:29,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:19:29,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:19:29,502 INFO L87 Difference]: Start difference. First operand 31037 states and 40683 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:29,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:29,651 INFO L93 Difference]: Finished difference Result 33247 states and 43628 transitions. [2025-03-08 06:19:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:19:29,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2025-03-08 06:19:29,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:29,684 INFO L225 Difference]: With dead ends: 33247 [2025-03-08 06:19:29,684 INFO L226 Difference]: Without dead ends: 33245 [2025-03-08 06:19:29,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:19:29,689 INFO L435 NwaCegarLoop]: 390 mSDtfsCounter, 0 mSDsluCounter, 1530 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1920 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:29,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1920 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:19:29,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33245 states. [2025-03-08 06:19:29,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33245 to 33245. [2025-03-08 06:19:29,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33245 states, 33244 states have (on average 1.2901877030441584) internal successors, (42891), 33244 states have internal predecessors, (42891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33245 states to 33245 states and 42891 transitions. [2025-03-08 06:19:30,025 INFO L78 Accepts]: Start accepts. Automaton has 33245 states and 42891 transitions. Word has length 92 [2025-03-08 06:19:30,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:30,025 INFO L471 AbstractCegarLoop]: Abstraction has 33245 states and 42891 transitions. [2025-03-08 06:19:30,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 33245 states and 42891 transitions. [2025-03-08 06:19:30,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-08 06:19:30,030 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:30,030 INFO L218 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] [2025-03-08 06:19:30,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2025-03-08 06:19:30,030 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:30,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:30,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1400196815, now seen corresponding path program 1 times [2025-03-08 06:19:30,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:30,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44887766] [2025-03-08 06:19:30,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:30,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:30,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-08 06:19:30,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-08 06:19:30,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:30,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:30,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:30,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:30,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44887766] [2025-03-08 06:19:30,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44887766] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:30,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:30,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:19:30,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424229456] [2025-03-08 06:19:30,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:30,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:19:30,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:30,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:19:30,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:19:30,080 INFO L87 Difference]: Start difference. First operand 33245 states and 42891 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:30,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:30,276 INFO L93 Difference]: Finished difference Result 91745 states and 118029 transitions. [2025-03-08 06:19:30,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:19:30,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2025-03-08 06:19:30,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:30,348 INFO L225 Difference]: With dead ends: 91745 [2025-03-08 06:19:30,348 INFO L226 Difference]: Without dead ends: 59487 [2025-03-08 06:19:30,380 INFO L434 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 [2025-03-08 06:19:30,380 INFO L435 NwaCegarLoop]: 379 mSDtfsCounter, 264 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:30,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 578 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:19:30,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59487 states. [2025-03-08 06:19:30,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59487 to 59485. [2025-03-08 06:19:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59485 states, 59484 states have (on average 1.2700390020845942) internal successors, (75547), 59484 states have internal predecessors, (75547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:31,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59485 states to 59485 states and 75547 transitions. [2025-03-08 06:19:31,111 INFO L78 Accepts]: Start accepts. Automaton has 59485 states and 75547 transitions. Word has length 93 [2025-03-08 06:19:31,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:31,112 INFO L471 AbstractCegarLoop]: Abstraction has 59485 states and 75547 transitions. [2025-03-08 06:19:31,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:31,112 INFO L276 IsEmpty]: Start isEmpty. Operand 59485 states and 75547 transitions. [2025-03-08 06:19:31,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-08 06:19:31,116 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:31,116 INFO L218 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] [2025-03-08 06:19:31,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2025-03-08 06:19:31,116 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:31,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:31,116 INFO L85 PathProgramCache]: Analyzing trace with hash -795318529, now seen corresponding path program 1 times [2025-03-08 06:19:31,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:31,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874688259] [2025-03-08 06:19:31,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:31,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:31,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-08 06:19:31,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-08 06:19:31,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:31,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:31,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:31,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874688259] [2025-03-08 06:19:31,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874688259] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:31,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:31,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:19:31,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76290604] [2025-03-08 06:19:31,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:31,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:19:31,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:31,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:19:31,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:19:31,346 INFO L87 Difference]: Start difference. First operand 59485 states and 75547 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:31,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:31,591 INFO L93 Difference]: Finished difference Result 154417 states and 195437 transitions. [2025-03-08 06:19:31,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:19:31,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2025-03-08 06:19:31,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:31,697 INFO L225 Difference]: With dead ends: 154417 [2025-03-08 06:19:31,697 INFO L226 Difference]: Without dead ends: 95919 [2025-03-08 06:19:31,745 INFO L434 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 [2025-03-08 06:19:31,746 INFO L435 NwaCegarLoop]: 488 mSDtfsCounter, 175 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:31,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 786 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:19:31,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95919 states. [2025-03-08 06:19:32,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95919 to 89517. [2025-03-08 06:19:32,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89517 states, 89516 states have (on average 1.2545131596586085) internal successors, (112299), 89516 states have internal predecessors, (112299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:32,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89517 states to 89517 states and 112299 transitions. [2025-03-08 06:19:32,892 INFO L78 Accepts]: Start accepts. Automaton has 89517 states and 112299 transitions. Word has length 93 [2025-03-08 06:19:32,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:32,892 INFO L471 AbstractCegarLoop]: Abstraction has 89517 states and 112299 transitions. [2025-03-08 06:19:32,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:32,892 INFO L276 IsEmpty]: Start isEmpty. Operand 89517 states and 112299 transitions. [2025-03-08 06:19:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-08 06:19:32,895 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:32,895 INFO L218 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] [2025-03-08 06:19:32,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2025-03-08 06:19:32,895 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:32,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:32,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1347256403, now seen corresponding path program 1 times [2025-03-08 06:19:32,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:32,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175285811] [2025-03-08 06:19:32,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:32,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:32,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-08 06:19:32,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-08 06:19:32,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:32,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:32,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:32,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175285811] [2025-03-08 06:19:32,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175285811] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:32,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:32,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:19:32,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108673225] [2025-03-08 06:19:32,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:32,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:19:32,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:32,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:19:32,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:19:32,968 INFO L87 Difference]: Start difference. First operand 89517 states and 112299 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:33,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:33,396 INFO L93 Difference]: Finished difference Result 143687 states and 181336 transitions. [2025-03-08 06:19:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:19:33,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2025-03-08 06:19:33,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:33,544 INFO L225 Difference]: With dead ends: 143687 [2025-03-08 06:19:33,545 INFO L226 Difference]: Without dead ends: 125469 [2025-03-08 06:19:33,590 INFO L434 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 [2025-03-08 06:19:33,591 INFO L435 NwaCegarLoop]: 479 mSDtfsCounter, 1296 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:33,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1296 Valid, 1376 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 06:19:33,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125469 states. [2025-03-08 06:19:34,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125469 to 103525. [2025-03-08 06:19:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103525 states, 103524 states have (on average 1.252917197944438) internal successors, (129707), 103524 states have internal predecessors, (129707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103525 states to 103525 states and 129707 transitions. [2025-03-08 06:19:35,031 INFO L78 Accepts]: Start accepts. Automaton has 103525 states and 129707 transitions. Word has length 96 [2025-03-08 06:19:35,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:35,031 INFO L471 AbstractCegarLoop]: Abstraction has 103525 states and 129707 transitions. [2025-03-08 06:19:35,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:35,031 INFO L276 IsEmpty]: Start isEmpty. Operand 103525 states and 129707 transitions. [2025-03-08 06:19:35,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-08 06:19:35,038 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:35,039 INFO L218 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] [2025-03-08 06:19:35,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2025-03-08 06:19:35,039 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:35,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:35,039 INFO L85 PathProgramCache]: Analyzing trace with hash -644993632, now seen corresponding path program 1 times [2025-03-08 06:19:35,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:35,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792185814] [2025-03-08 06:19:35,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:35,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:35,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-08 06:19:35,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-08 06:19:35,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:35,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:35,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:35,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:35,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792185814] [2025-03-08 06:19:35,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792185814] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:35,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:35,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:19:35,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652829194] [2025-03-08 06:19:35,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:35,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:19:35,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:35,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:19:35,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:19:35,179 INFO L87 Difference]: Start difference. First operand 103525 states and 129707 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:35,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:35,925 INFO L93 Difference]: Finished difference Result 149495 states and 188296 transitions. [2025-03-08 06:19:35,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:19:35,926 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2025-03-08 06:19:35,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:36,121 INFO L225 Difference]: With dead ends: 149495 [2025-03-08 06:19:36,121 INFO L226 Difference]: Without dead ends: 131277 [2025-03-08 06:19:36,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:19:36,146 INFO L435 NwaCegarLoop]: 481 mSDtfsCounter, 1409 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1409 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:36,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1409 Valid, 1301 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 06:19:36,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131277 states. [2025-03-08 06:19:37,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131277 to 117533. [2025-03-08 06:19:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117533 states, 117532 states have (on average 1.2517016642276146) internal successors, (147115), 117532 states have internal predecessors, (147115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117533 states to 117533 states and 147115 transitions. [2025-03-08 06:19:37,391 INFO L78 Accepts]: Start accepts. Automaton has 117533 states and 147115 transitions. Word has length 101 [2025-03-08 06:19:37,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:37,391 INFO L471 AbstractCegarLoop]: Abstraction has 117533 states and 147115 transitions. [2025-03-08 06:19:37,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 117533 states and 147115 transitions. [2025-03-08 06:19:37,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-08 06:19:37,395 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:37,395 INFO L218 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] [2025-03-08 06:19:37,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2025-03-08 06:19:37,395 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:37,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:37,396 INFO L85 PathProgramCache]: Analyzing trace with hash -829136166, now seen corresponding path program 1 times [2025-03-08 06:19:37,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:37,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045782106] [2025-03-08 06:19:37,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:37,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:37,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-08 06:19:37,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-08 06:19:37,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:37,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:37,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:37,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045782106] [2025-03-08 06:19:37,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045782106] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:19:37,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:19:37,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:19:37,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360782558] [2025-03-08 06:19:37,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:19:37,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:19:37,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:37,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:19:37,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:19:37,482 INFO L87 Difference]: Start difference. First operand 117533 states and 147115 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:38,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:38,186 INFO L93 Difference]: Finished difference Result 175947 states and 221568 transitions. [2025-03-08 06:19:38,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:19:38,186 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2025-03-08 06:19:38,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:38,364 INFO L225 Difference]: With dead ends: 175947 [2025-03-08 06:19:38,364 INFO L226 Difference]: Without dead ends: 148297 [2025-03-08 06:19:38,412 INFO L434 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 [2025-03-08 06:19:38,412 INFO L435 NwaCegarLoop]: 486 mSDtfsCounter, 1403 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1403 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:38,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1403 Valid, 1332 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:19:38,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148297 states. [2025-03-08 06:19:39,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148297 to 136677. [2025-03-08 06:19:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136677 states, 136676 states have (on average 1.2501024320290322) internal successors, (170859), 136676 states have internal predecessors, (170859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:40,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136677 states to 136677 states and 170859 transitions. [2025-03-08 06:19:40,166 INFO L78 Accepts]: Start accepts. Automaton has 136677 states and 170859 transitions. Word has length 103 [2025-03-08 06:19:40,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:19:40,166 INFO L471 AbstractCegarLoop]: Abstraction has 136677 states and 170859 transitions. [2025-03-08 06:19:40,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:40,167 INFO L276 IsEmpty]: Start isEmpty. Operand 136677 states and 170859 transitions. [2025-03-08 06:19:40,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-08 06:19:40,179 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:19:40,180 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:19:40,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2025-03-08 06:19:40,180 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:19:40,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:19:40,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1873577990, now seen corresponding path program 1 times [2025-03-08 06:19:40,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:19:40,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106407269] [2025-03-08 06:19:40,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:40,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:19:40,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-08 06:19:40,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-08 06:19:40,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:40,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:40,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:19:40,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106407269] [2025-03-08 06:19:40,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106407269] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 06:19:40,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559648390] [2025-03-08 06:19:40,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:19:40,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:19:40,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:19:40,582 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 06:19:40,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 06:19:40,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-08 06:19:40,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-08 06:19:40,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:19:40,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:19:40,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-08 06:19:40,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 06:19:41,218 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:41,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 06:19:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:19:41,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559648390] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 06:19:41,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 06:19:41,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 8] total 26 [2025-03-08 06:19:41,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650055459] [2025-03-08 06:19:41,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 06:19:41,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-08 06:19:41,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:19:41,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-08 06:19:41,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=553, Unknown=0, NotChecked=0, Total=650 [2025-03-08 06:19:41,744 INFO L87 Difference]: Start difference. First operand 136677 states and 170859 transitions. Second operand has 26 states, 26 states have (on average 13.307692307692308) internal successors, (346), 26 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:19:51,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:19:51,384 INFO L93 Difference]: Finished difference Result 911572 states and 1144039 transitions. [2025-03-08 06:19:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2025-03-08 06:19:51,385 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 13.307692307692308) internal successors, (346), 26 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2025-03-08 06:19:51,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:19:52,406 INFO L225 Difference]: With dead ends: 911572 [2025-03-08 06:19:52,407 INFO L226 Difference]: Without dead ends: 775882 [2025-03-08 06:19:52,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15803 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=5052, Invalid=33168, Unknown=0, NotChecked=0, Total=38220 [2025-03-08 06:19:52,535 INFO L435 NwaCegarLoop]: 438 mSDtfsCounter, 18403 mSDsluCounter, 4851 mSDsCounter, 0 mSdLazyCounter, 5023 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18403 SdHoareTripleChecker+Valid, 5289 SdHoareTripleChecker+Invalid, 5167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 5023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:19:52,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18403 Valid, 5289 Invalid, 5167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 5023 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-03-08 06:19:53,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775882 states. [2025-03-08 06:19:59,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775882 to 521418. [2025-03-08 06:20:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521418 states, 521417 states have (on average 1.2542533135666847) internal successors, (653989), 521417 states have internal predecessors, (653989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)