./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-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.3.2.ufo.BOUNDED-6.pals.c.v+sep-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 72aca9735a0330ad4ed4e9de4f21904354ce62c742d488d0b09ce6da875c2798 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 06:16:31,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 06:16:31,981 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 06:16:31,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 06:16:31,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 06:16:32,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 06:16:32,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 06:16:32,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 06:16:32,007 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 06:16:32,007 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 06:16:32,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 06:16:32,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 06:16:32,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 06:16:32,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 06:16:32,009 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 06:16:32,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 06:16:32,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 06:16:32,009 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 06:16:32,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 06:16:32,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 06:16:32,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 06:16:32,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 06:16:32,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 06:16:32,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 06:16:32,010 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 06:16:32,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 06:16:32,010 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 06:16:32,010 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 06:16:32,010 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 06:16:32,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 06:16:32,011 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 06:16:32,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 06:16:32,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 06:16:32,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 06:16:32,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 06:16:32,011 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 06:16:32,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 06:16:32,011 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 06:16:32,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 06:16:32,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 06:16:32,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 06:16:32,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 06:16:32,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 06:16:32,012 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 -> 72aca9735a0330ad4ed4e9de4f21904354ce62c742d488d0b09ce6da875c2798 [2025-03-08 06:16:32,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 06:16:32,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 06:16:32,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 06:16:32,254 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 06:16:32,254 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 06:16:32,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2025-03-08 06:16:33,392 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62f91de94/107d551e18cd45269b3f506e8c69c4f4/FLAG8dfb6bb8e [2025-03-08 06:16:33,770 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 06:16:33,770 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2025-03-08 06:16:33,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62f91de94/107d551e18cd45269b3f506e8c69c4f4/FLAG8dfb6bb8e [2025-03-08 06:16:33,804 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62f91de94/107d551e18cd45269b3f506e8c69c4f4 [2025-03-08 06:16:33,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 06:16:33,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 06:16:33,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 06:16:33,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 06:16:33,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 06:16:33,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:16:33" (1/1) ... [2025-03-08 06:16:33,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a292954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:33, skipping insertion in model container [2025-03-08 06:16:33,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:16:33" (1/1) ... [2025-03-08 06:16:33,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 06:16:34,085 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.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8448,8461] [2025-03-08 06:16:34,109 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.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12616,12629] [2025-03-08 06:16:34,131 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.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[20366,20379] [2025-03-08 06:16:34,145 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.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[27098,27111] [2025-03-08 06:16:34,202 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.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[47963,47976] [2025-03-08 06:16:34,243 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.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[73065,73078] [2025-03-08 06:16:34,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 06:16:34,367 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 06:16:34,391 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.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8448,8461] [2025-03-08 06:16:34,403 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.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12616,12629] [2025-03-08 06:16:34,417 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.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[20366,20379] [2025-03-08 06:16:34,426 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.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[27098,27111] [2025-03-08 06:16:34,473 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.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[47963,47976] [2025-03-08 06:16:34,498 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.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[73065,73078] [2025-03-08 06:16:34,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 06:16:34,574 INFO L204 MainTranslator]: Completed translation [2025-03-08 06:16:34,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34 WrapperNode [2025-03-08 06:16:34,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 06:16:34,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 06:16:34,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 06:16:34,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 06:16:34,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34" (1/1) ... [2025-03-08 06:16:34,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34" (1/1) ... [2025-03-08 06:16:34,695 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6152 [2025-03-08 06:16:34,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 06:16:34,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 06:16:34,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 06:16:34,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 06:16:34,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34" (1/1) ... [2025-03-08 06:16:34,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34" (1/1) ... [2025-03-08 06:16:34,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34" (1/1) ... [2025-03-08 06:16:34,767 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 06:16:34,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34" (1/1) ... [2025-03-08 06:16:34,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34" (1/1) ... [2025-03-08 06:16:34,870 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34" (1/1) ... [2025-03-08 06:16:34,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34" (1/1) ... [2025-03-08 06:16:34,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34" (1/1) ... [2025-03-08 06:16:34,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34" (1/1) ... [2025-03-08 06:16:34,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 06:16:34,922 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 06:16:34,922 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 06:16:34,922 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 06:16:34,923 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34" (1/1) ... [2025-03-08 06:16:34,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 06:16:34,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:16:34,952 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 06:16:34,958 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 06:16:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 06:16:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 06:16:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 06:16:34,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 06:16:35,174 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 06:16:35,176 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 06:16:37,591 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2352: havoc main_~node2__m2~9#1;havoc main_~node1__m1~12#1;havoc main_~main____CPAchecker_TMP_0~11#1;havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~14#1; [2025-03-08 06:16:37,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9357: havoc main_~node3__m3~41#1;havoc main_~node2__m2~44#1;havoc main_~node1__m1~61#1;havoc main_~main____CPAchecker_TMP_0~60#1;havoc main_~__tmp_66~0#1, main_~assert__arg~65#1;havoc main_~check__tmp~66#1; [2025-03-08 06:16:37,593 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: havoc main_~node1____CPAchecker_TMP_0~4#1;havoc main_~node1__m1~22#1;havoc main_~main____CPAchecker_TMP_0~21#1;havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~25#1;havoc main_~node3__m3~14#1;havoc main_~node2__m2~19#1;havoc main_~node1__m1~21#1;havoc main_~main____CPAchecker_TMP_0~20#1;havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~24#1; [2025-03-08 06:16:37,593 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3413: havoc main_~node3____CPAchecker_TMP_0~4#1; [2025-03-08 06:16:37,593 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10020: havoc main_~node2__m2~48#1;havoc main_~node1__m1~67#1;havoc main_~main____CPAchecker_TMP_0~66#1;havoc main_~__tmp_72~0#1, main_~assert__arg~71#1;havoc main_~check__tmp~72#1;havoc main_~node3__m3~44#1;havoc main_~node2__m2~47#1;havoc main_~node1__m1~66#1;havoc main_~main____CPAchecker_TMP_0~65#1;havoc main_~__tmp_71~0#1, main_~assert__arg~70#1;havoc main_~check__tmp~71#1; [2025-03-08 06:16:37,593 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8699: havoc main_~node2__m2~42#1;havoc main_~node1__m1~56#1;havoc main_~main____CPAchecker_TMP_0~55#1;havoc main_~__tmp_61~0#1, main_~assert__arg~60#1;havoc main_~check__tmp~61#1;havoc main_~node3__m3~38#1;havoc main_~node2__m2~41#1;havoc main_~node1__m1~55#1;havoc main_~main____CPAchecker_TMP_0~54#1;havoc main_~__tmp_60~0#1, main_~assert__arg~59#1;havoc main_~check__tmp~60#1; [2025-03-08 06:16:37,593 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L507: havoc main_~node1____CPAchecker_TMP_0~1#1;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;havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1;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; [2025-03-08 06:16:37,594 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7246: havoc main_~node2____CPAchecker_TMP_0~3#1; [2025-03-08 06:16:37,594 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5926: havoc main_~node3__m3~25#1;havoc main_~node2__m2~28#1;havoc main_~node1__m1~36#1;havoc main_~main____CPAchecker_TMP_0~35#1;havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~40#1;havoc main_~node3____CPAchecker_TMP_1~6#1; [2025-03-08 06:16:37,594 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L773: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1;havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1;havoc main_~node1__m1~3#1;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 06:16:37,594 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2491: havoc main_~node2__m2~10#1;havoc main_~node1__m1~13#1;havoc main_~main____CPAchecker_TMP_0~12#1;havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~15#1; [2025-03-08 06:16:37,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8306: havoc main_~node3____CPAchecker_TMP_0~10#1; [2025-03-08 06:16:37,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2627: havoc main_~node2__m2~11#1;havoc main_~node1__m1~14#1;havoc main_~main____CPAchecker_TMP_0~13#1;havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~16#1;havoc main_~node3____CPAchecker_TMP_1~2#1; [2025-03-08 06:16:37,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2760: havoc main_~node2__m2~12#1;havoc main_~node1__m1~15#1;havoc main_~main____CPAchecker_TMP_0~14#1;havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~17#1; [2025-03-08 06:16:37,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7255: havoc main_~node3__m3~32#1; [2025-03-08 06:16:37,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8709: havoc main_~node2____CPAchecker_TMP_0~6#1; [2025-03-08 06:16:37,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9238: havoc main_~node1__m1~60#1;havoc main_~main____CPAchecker_TMP_0~59#1;havoc main_~__tmp_65~0#1, main_~assert__arg~64#1;havoc main_~check__tmp~65#1;havoc main_~node3____CPAchecker_TMP_1~11#1; [2025-03-08 06:16:37,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8182: havoc main_~node2__m2~40#1;havoc main_~node1__m1~53#1;havoc main_~main____CPAchecker_TMP_0~52#1;havoc main_~__tmp_58~0#1, main_~assert__arg~57#1;havoc main_~check__tmp~57#1;havoc main_~node3__m3~36#1;havoc main_~node2__m2~39#1;havoc main_~node1__m1~52#1;havoc main_~main____CPAchecker_TMP_0~51#1;havoc main_~__tmp_57~0#1, main_~assert__arg~56#1;havoc main_~check__tmp~56#1; [2025-03-08 06:16:37,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7126: havoc main_~node2____CPAchecker_TMP_1~2#1; [2025-03-08 06:16:37,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2899: havoc main_~node2__m2~13#1;havoc main_~node1__m1~16#1;havoc main_~main____CPAchecker_TMP_0~15#1;havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~18#1; [2025-03-08 06:16:37,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10036: havoc main_~node2____CPAchecker_TMP_1~8#1; [2025-03-08 06:16:37,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7265: havoc main_~node3____CPAchecker_TMP_0~8#1; [2025-03-08 06:16:37,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3038: havoc main_~node2__m2~14#1;havoc main_~node1__m1~17#1;havoc main_~main____CPAchecker_TMP_0~16#1;havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~19#1; [2025-03-08 06:16:37,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3174: havoc main_~node2__m2~15#1;havoc main_~node1__m1~18#1;havoc main_~main____CPAchecker_TMP_0~17#1;havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~20#1;havoc main_~node3____CPAchecker_TMP_1~3#1; [2025-03-08 06:16:37,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2025-03-08 06:16:37,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3307: havoc main_~node2__m2~16#1;havoc main_~node1__m1~19#1;havoc main_~main____CPAchecker_TMP_0~18#1;havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~21#1; [2025-03-08 06:16:37,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8857: havoc main_~node3__m3~39#1;havoc main_~node2____CPAchecker_TMP_1~6#1; [2025-03-08 06:16:37,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6083: havoc main_~node3__m3~26#1;havoc main_~node2__m2~29#1;havoc main_~node1__m1~37#1;havoc main_~main____CPAchecker_TMP_0~36#1;havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~41#1; [2025-03-08 06:16:37,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8334: havoc main_~node3____CPAchecker_TMP_1~9#1; [2025-03-08 06:16:37,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L278: havoc main_~node1____CPAchecker_TMP_0~0#1; [2025-03-08 06:16:37,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7942: havoc main_~node3__m3~35#1; [2025-03-08 06:16:37,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8867: havoc main_~node3____CPAchecker_TMP_0~11#1; [2025-03-08 06:16:37,597 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7548: havoc main_~node2____CPAchecker_TMP_0~4#1; [2025-03-08 06:16:37,597 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8738: havoc main_~node2____CPAchecker_TMP_1~5#1; [2025-03-08 06:16:37,597 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10063: havoc main_~node3__m3~45#1; [2025-03-08 06:16:37,597 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4250: havoc main_~node3__m3~17#1; [2025-03-08 06:16:37,597 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L287: havoc main_~node2__m2~0#1; [2025-03-08 06:16:37,597 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7952: havoc main_~node3____CPAchecker_TMP_0~9#1; [2025-03-08 06:16:37,597 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8217: havoc main_~node3__m3~37#1;havoc main_~node2____CPAchecker_TMP_0~5#1; [2025-03-08 06:16:37,597 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2140: havoc main_~node1____CPAchecker_TMP_0~3#1;havoc main_~node1__m1~11#1;havoc main_~main____CPAchecker_TMP_0~10#1;havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~13#1;havoc main_~node3__m3~9#1;havoc main_~node2__m2~8#1;havoc main_~node1__m1~10#1;havoc main_~main____CPAchecker_TMP_0~9#1;havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~12#1; [2025-03-08 06:16:37,598 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~37#1;havoc main_~node3__m3~23#1;havoc main_~node2__m2~26#1;havoc main_~node1__m1~33#1;havoc main_~main____CPAchecker_TMP_0~32#1;havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~36#1; [2025-03-08 06:16:37,598 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5316: havoc main_~node3__m3~22#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2025-03-08 06:16:37,598 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4260: havoc main_~node3____CPAchecker_TMP_0~5#1; [2025-03-08 06:16:37,598 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L297: havoc main_~node2____CPAchecker_TMP_0~0#1; [2025-03-08 06:16:37,598 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2280: havoc main_~node3__m3~10#1;havoc main_~node2____CPAchecker_TMP_1~0#1; [2025-03-08 06:16:37,598 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7304: havoc main_~node1__m1~46#1;havoc main_~main____CPAchecker_TMP_0~45#1;havoc main_~__tmp_51~0#1, main_~assert__arg~50#1;havoc main_~check__tmp~50#1; [2025-03-08 06:16:37,598 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5721: havoc main_~node1____CPAchecker_TMP_0~9#1;havoc main_~node1__m1~35#1;havoc main_~main____CPAchecker_TMP_0~34#1;havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~39#1;havoc main_~node3__m3~24#1;havoc main_~node2__m2~27#1;havoc main_~node1__m1~34#1;havoc main_~main____CPAchecker_TMP_0~33#1;havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~38#1; [2025-03-08 06:16:37,598 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5326: havoc main_~node3____CPAchecker_TMP_0~6#1; [2025-03-08 06:16:37,598 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9687: havoc main_~node2____CPAchecker_TMP_1~7#1;havoc main_~node2__m2~46#1;havoc main_~node1__m1~64#1;havoc main_~main____CPAchecker_TMP_0~63#1;havoc main_~__tmp_69~0#1, main_~assert__arg~68#1;havoc main_~check__tmp~69#1;havoc main_~node3__m3~43#1;havoc main_~node2__m2~45#1;havoc main_~node1__m1~63#1;havoc main_~main____CPAchecker_TMP_0~62#1;havoc main_~__tmp_68~0#1, main_~assert__arg~67#1;havoc main_~check__tmp~68#1; [2025-03-08 06:16:37,598 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L306: havoc main_~node3__m3~0#1; [2025-03-08 06:16:37,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5196: havoc main_~node1____CPAchecker_TMP_0~8#1;havoc main_~node1__m1~32#1;havoc main_~main____CPAchecker_TMP_0~31#1;havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~35#1;havoc main_~node3__m3~21#1;havoc main_~node2__m2~25#1;havoc main_~node1__m1~31#1;havoc main_~main____CPAchecker_TMP_0~30#1;havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~34#1; [2025-03-08 06:16:37,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2290: havoc main_~node3____CPAchecker_TMP_0~2#1; [2025-03-08 06:16:37,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7576: havoc main_~node2____CPAchecker_TMP_1~3#1; [2025-03-08 06:16:37,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8369: havoc main_~node2____CPAchecker_TMP_1~4#1; [2025-03-08 06:16:37,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7050: havoc main_~node2__m2~34#1;havoc main_~node1____CPAchecker_TMP_0~13#1;havoc main_~node1__m1~45#1;havoc main_~main____CPAchecker_TMP_0~44#1;havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~49#1;havoc main_~node3__m3~31#1;havoc main_~node2__m2~33#1;havoc main_~node1__m1~44#1;havoc main_~main____CPAchecker_TMP_0~43#1;havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~48#1; [2025-03-08 06:16:37,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L973: havoc main_~node3__m3~3#1;havoc main_~node2__m2~3#1;havoc main_~node1__m1~4#1;havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1;havoc main_~node3____CPAchecker_TMP_1~0#1; [2025-03-08 06:16:37,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4013: havoc main_~node3__m3~15#1;havoc main_~node2__m2~20#1;havoc main_~node1__m1~23#1;havoc main_~main____CPAchecker_TMP_0~22#1;havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~26#1;havoc main_~node3____CPAchecker_TMP_1~4#1; [2025-03-08 06:16:37,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9431: havoc main_~node3__m3~42#1; [2025-03-08 06:16:37,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6790: havoc main_~node1____CPAchecker_TMP_0~12#1;havoc main_~node1__m1~43#1;havoc main_~main____CPAchecker_TMP_0~42#1;havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~47#1;havoc main_~node3__m3~30#1;havoc main_~node2__m2~32#1;havoc main_~node1__m1~42#1;havoc main_~main____CPAchecker_TMP_0~41#1;havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~46#1;havoc main_~node3____CPAchecker_TMP_1~7#1; [2025-03-08 06:16:37,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L316: havoc main_~node3____CPAchecker_TMP_0~0#1; [2025-03-08 06:16:37,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2827: havoc main_~node3__m3~11#1; [2025-03-08 06:16:37,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8906: havoc main_~node1__m1~57#1;havoc main_~main____CPAchecker_TMP_0~56#1;havoc main_~__tmp_62~0#1, main_~assert__arg~61#1;havoc main_~check__tmp~62#1; [2025-03-08 06:16:37,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4678: havoc main_~node1____CPAchecker_TMP_0~6#1;havoc main_~node1__m1~28#1;havoc main_~main____CPAchecker_TMP_0~27#1;havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~31#1;havoc main_~node3__m3~19#1;havoc main_~node2__m2~23#1;havoc main_~node1__m1~27#1;havoc main_~main____CPAchecker_TMP_0~26#1;havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~30#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9835: havoc main_~node1__m1~65#1;havoc main_~main____CPAchecker_TMP_0~64#1;havoc main_~__tmp_70~0#1, main_~assert__arg~69#1;havoc main_~check__tmp~70#1;havoc main_~node3____CPAchecker_TMP_1~12#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8514: havoc main_~node1__m1~54#1;havoc main_~main____CPAchecker_TMP_0~53#1;havoc main_~__tmp_59~0#1, main_~assert__arg~58#1;havoc main_~check__tmp~59#1;havoc main_~node3____CPAchecker_TMP_1~10#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1908: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~11#1;havoc main_~node3__m3~8#1;havoc main_~node2__m2~7#1;havoc main_~node1__m1~9#1;havoc main_~main____CPAchecker_TMP_0~8#1;havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~10#1;havoc main_~node3____CPAchecker_TMP_1~1#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9441: havoc main_~node3____CPAchecker_TMP_0~12#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2837: havoc main_~node3____CPAchecker_TMP_0~3#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7991: havoc main_~node1__m1~51#1;havoc main_~main____CPAchecker_TMP_0~50#1;havoc main_~__tmp_56~0#1, main_~assert__arg~55#1;havoc main_~check__tmp~55#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1387: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1;havoc main_~node3__m3~6#1;havoc main_~node2__m2~5#1;havoc main_~node1__m1~6#1;havoc main_~main____CPAchecker_TMP_0~5#1;havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7862: havoc main_~node3__m3~34#1;havoc main_~node2__m2~38#1;havoc main_~node1__m1~50#1;havoc main_~main____CPAchecker_TMP_0~49#1;havoc main_~__tmp_55~0#1, main_~assert__arg~54#1;havoc main_~check__tmp~54#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10111: havoc main_~node3____CPAchecker_TMP_0~13#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1259: havoc main_~node3__m3~5#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4959: havoc main_~node1____CPAchecker_TMP_0~7#1;havoc main_~node1__m1~30#1;havoc main_~main____CPAchecker_TMP_0~29#1;havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~33#1;havoc main_~node3__m3~20#1;havoc main_~node2__m2~24#1;havoc main_~node1__m1~29#1;havoc main_~main____CPAchecker_TMP_0~28#1;havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~32#1;havoc main_~node3____CPAchecker_TMP_1~5#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6547: havoc main_~node1____CPAchecker_TMP_0~11#1;havoc main_~node1__m1~41#1;havoc main_~main____CPAchecker_TMP_0~40#1;havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~45#1;havoc main_~node3__m3~29#1;havoc main_~node2__m2~31#1;havoc main_~node1__m1~40#1;havoc main_~main____CPAchecker_TMP_0~39#1;havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~44#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4170: havoc main_~node3__m3~16#1;havoc main_~node2__m2~21#1;havoc main_~node1__m1~24#1;havoc main_~main____CPAchecker_TMP_0~23#1;havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~27#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4435: havoc main_~node1____CPAchecker_TMP_0~5#1;havoc main_~node1__m1~26#1;havoc main_~main____CPAchecker_TMP_0~25#1;havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~29#1;havoc main_~node3__m3~18#1;havoc main_~node2__m2~22#1;havoc main_~node1__m1~25#1;havoc main_~main____CPAchecker_TMP_0~24#1;havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~28#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8267: havoc main_~check__tmp~58#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1664: havoc main_~node1____CPAchecker_TMP_0~2#1;havoc main_~node1__m1~8#1;havoc main_~main____CPAchecker_TMP_0~7#1;havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~9#1;havoc main_~node3__m3~7#1;havoc main_~node2__m2~6#1;havoc main_~node1__m1~7#1;havoc main_~main____CPAchecker_TMP_0~6#1;havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6157: havoc main_~node3__m3~27#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7743: havoc main_~node1__m1~49#1;havoc main_~main____CPAchecker_TMP_0~48#1;havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~53#1;havoc main_~node3____CPAchecker_TMP_1~8#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1269: havoc main_~node3____CPAchecker_TMP_0~1#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3384: havoc main_~node2__m2~17#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6167: havoc main_~node3____CPAchecker_TMP_0~7#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3394: havoc main_~node2____CPAchecker_TMP_0~1#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6303: havoc main_~node1____CPAchecker_TMP_0~10#1;havoc main_~node1__m1~39#1;havoc main_~main____CPAchecker_TMP_0~38#1;havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~43#1;havoc main_~node3__m3~28#1;havoc main_~node2__m2~30#1;havoc main_~node1__m1~38#1;havoc main_~main____CPAchecker_TMP_0~37#1;havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~42#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7098: havoc main_~node2____CPAchecker_TMP_0~2#1; [2025-03-08 06:16:37,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3531: havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~23#1;havoc main_~node3__m3~13#1;havoc main_~node2__m2~18#1;havoc main_~node1__m1~20#1;havoc main_~main____CPAchecker_TMP_0~19#1;havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~22#1; [2025-03-08 06:16:37,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10139: havoc main_~node3____CPAchecker_TMP_1~13#1; [2025-03-08 06:16:37,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083: havoc main_~node1__m1~59#1;havoc main_~main____CPAchecker_TMP_0~58#1;havoc main_~__tmp_64~0#1, main_~assert__arg~63#1;havoc main_~check__tmp~64#1;havoc main_~node3__m3~40#1;havoc main_~node2__m2~43#1;havoc main_~node1__m1~58#1;havoc main_~main____CPAchecker_TMP_0~57#1;havoc main_~__tmp_63~0#1, main_~assert__arg~62#1;havoc main_~check__tmp~63#1; [2025-03-08 06:16:37,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9480: havoc main_~node1__m1~62#1;havoc main_~main____CPAchecker_TMP_0~61#1;havoc main_~__tmp_67~0#1, main_~assert__arg~66#1;havoc main_~check__tmp~67#1; [2025-03-08 06:16:37,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3403: havoc main_~node3__m3~12#1; [2025-03-08 06:16:37,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1157: havoc main_~node3__m3~4#1;havoc main_~node2__m2~4#1;havoc main_~node1__m1~5#1;havoc main_~main____CPAchecker_TMP_0~4#1;havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2025-03-08 06:16:37,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7500: havoc main_~node2__m2~37#1;havoc main_~node1__m1~48#1;havoc main_~main____CPAchecker_TMP_0~47#1;havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~52#1;havoc main_~node3__m3~33#1;havoc main_~node2__m2~36#1;havoc main_~node1__m1~47#1;havoc main_~main____CPAchecker_TMP_0~46#1;havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~51#1; [2025-03-08 06:16:37,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7236: havoc main_~node2__m2~35#1; [2025-03-08 06:16:37,778 INFO L? ?]: Removed 1224 outVars from TransFormulas that were not future-live. [2025-03-08 06:16:37,778 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 06:16:37,821 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 06:16:37,823 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 06:16:37,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:16:37 BoogieIcfgContainer [2025-03-08 06:16:37,823 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 06:16:37,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 06:16:37,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 06:16:37,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 06:16:37,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:16:33" (1/3) ... [2025-03-08 06:16:37,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90fe79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:16:37, skipping insertion in model container [2025-03-08 06:16:37,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:16:34" (2/3) ... [2025-03-08 06:16:37,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90fe79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:16:37, skipping insertion in model container [2025-03-08 06:16:37,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:16:37" (3/3) ... [2025-03-08 06:16:37,834 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2025-03-08 06:16:37,845 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 06:16:37,849 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c that has 1 procedures, 1190 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-08 06:16:37,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 06:16:37,940 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;@482b13b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 06:16:37,941 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-08 06:16:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 1190 states, 1183 states have (on average 1.7861369399830938) internal successors, (2113), 1189 states have internal predecessors, (2113), 0 states have call successors, (0), 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 06:16:37,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-08 06:16:37,965 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:37,965 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] [2025-03-08 06:16:37,966 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:37,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:37,973 INFO L85 PathProgramCache]: Analyzing trace with hash 134932436, now seen corresponding path program 1 times [2025-03-08 06:16:37,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:37,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141710494] [2025-03-08 06:16:37,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:37,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:38,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-08 06:16:38,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-08 06:16:38,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:38,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:38,495 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 06:16:38,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:38,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141710494] [2025-03-08 06:16:38,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141710494] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:38,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:38,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 06:16:38,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609071573] [2025-03-08 06:16:38,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:38,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:16:38,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:38,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:16:38,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:16:38,524 INFO L87 Difference]: Start difference. First operand has 1190 states, 1183 states have (on average 1.7861369399830938) internal successors, (2113), 1189 states have internal predecessors, (2113), 0 states have call successors, (0), 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 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 06:16:39,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:39,567 INFO L93 Difference]: Finished difference Result 2003 states and 3444 transitions. [2025-03-08 06:16:39,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 06:16:39,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2025-03-08 06:16:39,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:39,585 INFO L225 Difference]: With dead ends: 2003 [2025-03-08 06:16:39,585 INFO L226 Difference]: Without dead ends: 1415 [2025-03-08 06:16:39,592 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 06:16:39,598 INFO L435 NwaCegarLoop]: 1014 mSDtfsCounter, 6432 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6432 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:39,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6432 Valid, 1485 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-08 06:16:39,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2025-03-08 06:16:39,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1409. [2025-03-08 06:16:39,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 1403 states have (on average 1.2950819672131149) internal successors, (1817), 1408 states have internal predecessors, (1817), 0 states have call successors, (0), 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 06:16:39,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 1817 transitions. [2025-03-08 06:16:39,685 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 1817 transitions. Word has length 52 [2025-03-08 06:16:39,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:39,686 INFO L471 AbstractCegarLoop]: Abstraction has 1409 states and 1817 transitions. [2025-03-08 06:16:39,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 06:16:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1817 transitions. [2025-03-08 06:16:39,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-08 06:16:39,690 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:39,691 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] [2025-03-08 06:16:39,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 06:16:39,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:39,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:39,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1457019773, now seen corresponding path program 1 times [2025-03-08 06:16:39,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:39,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479879891] [2025-03-08 06:16:39,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:39,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:39,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-08 06:16:39,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-08 06:16:39,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:39,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:39,876 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 06:16:39,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:39,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479879891] [2025-03-08 06:16:39,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479879891] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:39,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:39,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 06:16:39,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053499351] [2025-03-08 06:16:39,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:39,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:16:39,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:39,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:16:39,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:16:39,879 INFO L87 Difference]: Start difference. First operand 1409 states and 1817 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 06:16:40,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:40,495 INFO L93 Difference]: Finished difference Result 2712 states and 3551 transitions. [2025-03-08 06:16:40,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 06:16:40,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2025-03-08 06:16:40,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:40,501 INFO L225 Difference]: With dead ends: 2712 [2025-03-08 06:16:40,501 INFO L226 Difference]: Without dead ends: 1779 [2025-03-08 06:16:40,503 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 06:16:40,503 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 4030 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4030 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:40,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4030 Valid, 836 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 06:16:40,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2025-03-08 06:16:40,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1769. [2025-03-08 06:16:40,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1769 states, 1763 states have (on average 1.309699376063528) internal successors, (2309), 1768 states have internal predecessors, (2309), 0 states have call successors, (0), 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 06:16:40,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1769 states and 2309 transitions. [2025-03-08 06:16:40,549 INFO L78 Accepts]: Start accepts. Automaton has 1769 states and 2309 transitions. Word has length 52 [2025-03-08 06:16:40,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:40,549 INFO L471 AbstractCegarLoop]: Abstraction has 1769 states and 2309 transitions. [2025-03-08 06:16:40,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 06:16:40,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2309 transitions. [2025-03-08 06:16:40,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-08 06:16:40,551 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:40,551 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] [2025-03-08 06:16:40,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 06:16:40,552 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:40,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:40,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1626222847, now seen corresponding path program 1 times [2025-03-08 06:16:40,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:40,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830646467] [2025-03-08 06:16:40,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:40,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:40,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-08 06:16:40,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-08 06:16:40,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:40,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:40,712 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 06:16:40,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:40,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830646467] [2025-03-08 06:16:40,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830646467] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:40,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:40,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 06:16:40,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83951421] [2025-03-08 06:16:40,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:40,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:16:40,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:40,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:16:40,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:16:40,714 INFO L87 Difference]: Start difference. First operand 1769 states and 2309 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 06:16:41,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:41,307 INFO L93 Difference]: Finished difference Result 3818 states and 5011 transitions. [2025-03-08 06:16:41,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 06:16:41,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2025-03-08 06:16:41,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:41,315 INFO L225 Difference]: With dead ends: 3818 [2025-03-08 06:16:41,316 INFO L226 Difference]: Without dead ends: 2647 [2025-03-08 06:16:41,318 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 06:16:41,320 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 3824 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3824 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:41,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3824 Valid, 822 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 06:16:41,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2025-03-08 06:16:41,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 2633. [2025-03-08 06:16:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2627 states have (on average 1.3113818043395509) internal successors, (3445), 2632 states have internal predecessors, (3445), 0 states have call successors, (0), 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 06:16:41,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3445 transitions. [2025-03-08 06:16:41,373 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3445 transitions. Word has length 52 [2025-03-08 06:16:41,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:41,373 INFO L471 AbstractCegarLoop]: Abstraction has 2633 states and 3445 transitions. [2025-03-08 06:16:41,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 06:16:41,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3445 transitions. [2025-03-08 06:16:41,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-08 06:16:41,376 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:41,376 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] [2025-03-08 06:16:41,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 06:16:41,376 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:41,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:41,377 INFO L85 PathProgramCache]: Analyzing trace with hash 2083594017, now seen corresponding path program 1 times [2025-03-08 06:16:41,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:41,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422488578] [2025-03-08 06:16:41,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:41,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:41,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-08 06:16:41,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-08 06:16:41,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:41,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:41,756 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 06:16:41,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:41,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422488578] [2025-03-08 06:16:41,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422488578] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:41,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:41,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 06:16:41,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091016245] [2025-03-08 06:16:41,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:41,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 06:16:41,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:41,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 06:16:41,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-08 06:16:41,760 INFO L87 Difference]: Start difference. First operand 2633 states and 3445 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 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 06:16:42,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:42,702 INFO L93 Difference]: Finished difference Result 4388 states and 5959 transitions. [2025-03-08 06:16:42,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 06:16:42,703 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2025-03-08 06:16:42,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:42,713 INFO L225 Difference]: With dead ends: 4388 [2025-03-08 06:16:42,713 INFO L226 Difference]: Without dead ends: 3704 [2025-03-08 06:16:42,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2025-03-08 06:16:42,715 INFO L435 NwaCegarLoop]: 546 mSDtfsCounter, 4481 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4481 SdHoareTripleChecker+Valid, 2018 SdHoareTripleChecker+Invalid, 1723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:42,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4481 Valid, 2018 Invalid, 1723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-08 06:16:42,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3704 states. [2025-03-08 06:16:42,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3704 to 2633. [2025-03-08 06:16:42,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2627 states have (on average 1.3110011419870575) internal successors, (3444), 2632 states have internal predecessors, (3444), 0 states have call successors, (0), 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 06:16:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3444 transitions. [2025-03-08 06:16:42,767 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3444 transitions. Word has length 54 [2025-03-08 06:16:42,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:42,767 INFO L471 AbstractCegarLoop]: Abstraction has 2633 states and 3444 transitions. [2025-03-08 06:16:42,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 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 06:16:42,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3444 transitions. [2025-03-08 06:16:42,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-08 06:16:42,770 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:42,770 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] [2025-03-08 06:16:42,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 06:16:42,770 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:42,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:42,771 INFO L85 PathProgramCache]: Analyzing trace with hash 503838163, now seen corresponding path program 1 times [2025-03-08 06:16:42,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:42,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778142092] [2025-03-08 06:16:42,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:42,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:42,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-08 06:16:42,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-08 06:16:42,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:42,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:43,025 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 06:16:43,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:43,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778142092] [2025-03-08 06:16:43,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778142092] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:43,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:43,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 06:16:43,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388718882] [2025-03-08 06:16:43,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:43,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 06:16:43,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:43,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 06:16:43,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:16:43,027 INFO L87 Difference]: Start difference. First operand 2633 states and 3444 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 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 06:16:44,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:44,208 INFO L93 Difference]: Finished difference Result 4764 states and 6443 transitions. [2025-03-08 06:16:44,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 06:16:44,209 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2025-03-08 06:16:44,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:44,218 INFO L225 Difference]: With dead ends: 4764 [2025-03-08 06:16:44,218 INFO L226 Difference]: Without dead ends: 4236 [2025-03-08 06:16:44,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2025-03-08 06:16:44,220 INFO L435 NwaCegarLoop]: 689 mSDtfsCounter, 4203 mSDsluCounter, 2202 mSDsCounter, 0 mSdLazyCounter, 2556 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4203 SdHoareTripleChecker+Valid, 2891 SdHoareTripleChecker+Invalid, 2586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:44,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4203 Valid, 2891 Invalid, 2586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2556 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-08 06:16:44,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4236 states. [2025-03-08 06:16:44,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4236 to 2633. [2025-03-08 06:16:44,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2627 states have (on average 1.3106204796345642) internal successors, (3443), 2632 states have internal predecessors, (3443), 0 states have call successors, (0), 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 06:16:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3443 transitions. [2025-03-08 06:16:44,266 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3443 transitions. Word has length 54 [2025-03-08 06:16:44,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:44,266 INFO L471 AbstractCegarLoop]: Abstraction has 2633 states and 3443 transitions. [2025-03-08 06:16:44,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 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 06:16:44,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3443 transitions. [2025-03-08 06:16:44,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-08 06:16:44,268 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:44,268 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] [2025-03-08 06:16:44,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 06:16:44,268 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:44,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:44,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1100220193, now seen corresponding path program 1 times [2025-03-08 06:16:44,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:44,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472419383] [2025-03-08 06:16:44,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:44,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:44,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-08 06:16:44,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-08 06:16:44,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:44,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:44,550 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 06:16:44,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:44,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472419383] [2025-03-08 06:16:44,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472419383] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:44,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:44,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 06:16:44,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688477835] [2025-03-08 06:16:44,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:44,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 06:16:44,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:44,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 06:16:44,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:16:44,552 INFO L87 Difference]: Start difference. First operand 2633 states and 3443 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 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 06:16:45,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:45,670 INFO L93 Difference]: Finished difference Result 3840 states and 5095 transitions. [2025-03-08 06:16:45,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 06:16:45,670 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2025-03-08 06:16:45,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:45,679 INFO L225 Difference]: With dead ends: 3840 [2025-03-08 06:16:45,679 INFO L226 Difference]: Without dead ends: 3834 [2025-03-08 06:16:45,680 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 06:16:45,681 INFO L435 NwaCegarLoop]: 645 mSDtfsCounter, 4689 mSDsluCounter, 2652 mSDsCounter, 0 mSdLazyCounter, 2790 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4689 SdHoareTripleChecker+Valid, 3297 SdHoareTripleChecker+Invalid, 2815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:45,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4689 Valid, 3297 Invalid, 2815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2790 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-08 06:16:45,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2025-03-08 06:16:45,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 2633. [2025-03-08 06:16:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2627 states have (on average 1.3102398172820708) internal successors, (3442), 2632 states have internal predecessors, (3442), 0 states have call successors, (0), 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 06:16:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3442 transitions. [2025-03-08 06:16:45,748 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3442 transitions. Word has length 54 [2025-03-08 06:16:45,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:45,748 INFO L471 AbstractCegarLoop]: Abstraction has 2633 states and 3442 transitions. [2025-03-08 06:16:45,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 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 06:16:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3442 transitions. [2025-03-08 06:16:45,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-08 06:16:45,750 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:45,750 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] [2025-03-08 06:16:45,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 06:16:45,751 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:45,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:45,751 INFO L85 PathProgramCache]: Analyzing trace with hash -34425519, now seen corresponding path program 1 times [2025-03-08 06:16:45,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:45,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100244595] [2025-03-08 06:16:45,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:45,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:45,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-08 06:16:45,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-08 06:16:45,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:45,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:45,808 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 06:16:45,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:45,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100244595] [2025-03-08 06:16:45,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100244595] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:45,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:45,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:16:45,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5433368] [2025-03-08 06:16:45,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:45,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:16:45,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:45,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:16:45,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:16:45,809 INFO L87 Difference]: Start difference. First operand 2633 states and 3442 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 06:16:45,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:45,869 INFO L93 Difference]: Finished difference Result 3809 states and 5163 transitions. [2025-03-08 06:16:45,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:16:45,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2025-03-08 06:16:45,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:45,875 INFO L225 Difference]: With dead ends: 3809 [2025-03-08 06:16:45,875 INFO L226 Difference]: Without dead ends: 2398 [2025-03-08 06:16:45,876 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 06:16:45,877 INFO L435 NwaCegarLoop]: 997 mSDtfsCounter, 632 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:45,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 1366 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:45,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2398 states. [2025-03-08 06:16:45,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2398 to 2396. [2025-03-08 06:16:45,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 2390 states have (on average 1.3112970711297072) internal successors, (3134), 2395 states have internal predecessors, (3134), 0 states have call successors, (0), 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 06:16:45,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3134 transitions. [2025-03-08 06:16:45,904 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3134 transitions. Word has length 55 [2025-03-08 06:16:45,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:45,904 INFO L471 AbstractCegarLoop]: Abstraction has 2396 states and 3134 transitions. [2025-03-08 06:16:45,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 06:16:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3134 transitions. [2025-03-08 06:16:45,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-08 06:16:45,906 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:45,906 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] [2025-03-08 06:16:45,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 06:16:45,906 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:45,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:45,906 INFO L85 PathProgramCache]: Analyzing trace with hash -177234851, now seen corresponding path program 1 times [2025-03-08 06:16:45,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:45,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599787284] [2025-03-08 06:16:45,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:45,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:45,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-08 06:16:45,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-08 06:16:45,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:45,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:45,973 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 06:16:45,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:45,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599787284] [2025-03-08 06:16:45,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599787284] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:45,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:45,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:16:45,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213837398] [2025-03-08 06:16:45,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:45,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:16:45,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:45,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:16:45,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:16:45,975 INFO L87 Difference]: Start difference. First operand 2396 states and 3134 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 06:16:46,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:46,017 INFO L93 Difference]: Finished difference Result 4032 states and 5591 transitions. [2025-03-08 06:16:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:16:46,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2025-03-08 06:16:46,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:46,025 INFO L225 Difference]: With dead ends: 4032 [2025-03-08 06:16:46,025 INFO L226 Difference]: Without dead ends: 2919 [2025-03-08 06:16:46,026 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 06:16:46,027 INFO L435 NwaCegarLoop]: 970 mSDtfsCounter, 453 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:46,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 1491 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:46,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2919 states. [2025-03-08 06:16:46,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2919 to 2917. [2025-03-08 06:16:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2911 states have (on average 1.3493644795602886) internal successors, (3928), 2916 states have internal predecessors, (3928), 0 states have call successors, (0), 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 06:16:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 3928 transitions. [2025-03-08 06:16:46,058 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 3928 transitions. Word has length 55 [2025-03-08 06:16:46,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:46,059 INFO L471 AbstractCegarLoop]: Abstraction has 2917 states and 3928 transitions. [2025-03-08 06:16:46,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 06:16:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 3928 transitions. [2025-03-08 06:16:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-08 06:16:46,060 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:46,060 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] [2025-03-08 06:16:46,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 06:16:46,061 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:46,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:46,062 INFO L85 PathProgramCache]: Analyzing trace with hash 265243921, now seen corresponding path program 1 times [2025-03-08 06:16:46,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:46,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454079510] [2025-03-08 06:16:46,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:46,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:46,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-08 06:16:46,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-08 06:16:46,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:46,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:46,111 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 06:16:46,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:46,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454079510] [2025-03-08 06:16:46,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454079510] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:46,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:46,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:16:46,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300103218] [2025-03-08 06:16:46,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:46,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:16:46,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:46,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:16:46,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:16:46,113 INFO L87 Difference]: Start difference. First operand 2917 states and 3928 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 06:16:46,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:46,163 INFO L93 Difference]: Finished difference Result 5819 states and 8219 transitions. [2025-03-08 06:16:46,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:16:46,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2025-03-08 06:16:46,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:46,172 INFO L225 Difference]: With dead ends: 5819 [2025-03-08 06:16:46,172 INFO L226 Difference]: Without dead ends: 4034 [2025-03-08 06:16:46,174 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 06:16:46,175 INFO L435 NwaCegarLoop]: 946 mSDtfsCounter, 482 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:46,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 1422 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:46,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4034 states. [2025-03-08 06:16:46,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4034 to 4032. [2025-03-08 06:16:46,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4032 states, 4026 states have (on average 1.378787878787879) internal successors, (5551), 4031 states have internal predecessors, (5551), 0 states have call successors, (0), 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 06:16:46,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4032 states to 4032 states and 5551 transitions. [2025-03-08 06:16:46,219 INFO L78 Accepts]: Start accepts. Automaton has 4032 states and 5551 transitions. Word has length 55 [2025-03-08 06:16:46,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:46,219 INFO L471 AbstractCegarLoop]: Abstraction has 4032 states and 5551 transitions. [2025-03-08 06:16:46,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 06:16:46,219 INFO L276 IsEmpty]: Start isEmpty. Operand 4032 states and 5551 transitions. [2025-03-08 06:16:46,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-08 06:16:46,221 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:46,221 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] [2025-03-08 06:16:46,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 06:16:46,221 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:46,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:46,221 INFO L85 PathProgramCache]: Analyzing trace with hash -312695369, now seen corresponding path program 1 times [2025-03-08 06:16:46,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:46,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940074620] [2025-03-08 06:16:46,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:46,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:46,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-08 06:16:46,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-08 06:16:46,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:46,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:46,287 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 06:16:46,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:46,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940074620] [2025-03-08 06:16:46,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940074620] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:46,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:46,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:16:46,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203230620] [2025-03-08 06:16:46,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:46,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:16:46,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:46,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:16:46,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:16:46,288 INFO L87 Difference]: Start difference. First operand 4032 states and 5551 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 06:16:46,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:46,351 INFO L93 Difference]: Finished difference Result 7899 states and 11097 transitions. [2025-03-08 06:16:46,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:16:46,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2025-03-08 06:16:46,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:46,359 INFO L225 Difference]: With dead ends: 7899 [2025-03-08 06:16:46,359 INFO L226 Difference]: Without dead ends: 4481 [2025-03-08 06:16:46,363 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 06:16:46,364 INFO L435 NwaCegarLoop]: 731 mSDtfsCounter, 681 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:46,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [681 Valid, 1013 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:46,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2025-03-08 06:16:46,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 3610. [2025-03-08 06:16:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3610 states, 3605 states have (on average 1.3914008321775313) internal successors, (5016), 3609 states have internal predecessors, (5016), 0 states have call successors, (0), 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 06:16:46,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3610 states to 3610 states and 5016 transitions. [2025-03-08 06:16:46,425 INFO L78 Accepts]: Start accepts. Automaton has 3610 states and 5016 transitions. Word has length 56 [2025-03-08 06:16:46,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:46,426 INFO L471 AbstractCegarLoop]: Abstraction has 3610 states and 5016 transitions. [2025-03-08 06:16:46,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 06:16:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 3610 states and 5016 transitions. [2025-03-08 06:16:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-08 06:16:46,427 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:46,427 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] [2025-03-08 06:16:46,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 06:16:46,428 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:46,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:46,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1919452546, now seen corresponding path program 1 times [2025-03-08 06:16:46,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:46,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092403851] [2025-03-08 06:16:46,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:46,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:46,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-08 06:16:46,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-08 06:16:46,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:46,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:46,482 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 06:16:46,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:46,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092403851] [2025-03-08 06:16:46,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092403851] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:46,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:46,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:16:46,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408795095] [2025-03-08 06:16:46,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:46,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:16:46,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:46,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:16:46,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:16:46,484 INFO L87 Difference]: Start difference. First operand 3610 states and 5016 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 06:16:46,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:46,555 INFO L93 Difference]: Finished difference Result 7337 states and 10357 transitions. [2025-03-08 06:16:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:16:46,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2025-03-08 06:16:46,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:46,562 INFO L225 Difference]: With dead ends: 7337 [2025-03-08 06:16:46,562 INFO L226 Difference]: Without dead ends: 4131 [2025-03-08 06:16:46,566 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 06:16:46,566 INFO L435 NwaCegarLoop]: 551 mSDtfsCounter, 538 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:46,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 771 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 06:16:46,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4131 states. [2025-03-08 06:16:46,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4131 to 3322. [2025-03-08 06:16:46,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3322 states, 3318 states have (on average 1.4029535864978904) internal successors, (4655), 3321 states have internal predecessors, (4655), 0 states have call successors, (0), 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 06:16:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 3322 states and 4655 transitions. [2025-03-08 06:16:46,608 INFO L78 Accepts]: Start accepts. Automaton has 3322 states and 4655 transitions. Word has length 56 [2025-03-08 06:16:46,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:46,608 INFO L471 AbstractCegarLoop]: Abstraction has 3322 states and 4655 transitions. [2025-03-08 06:16:46,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 06:16:46,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3322 states and 4655 transitions. [2025-03-08 06:16:46,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-08 06:16:46,609 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:46,609 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] [2025-03-08 06:16:46,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 06:16:46,609 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:46,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:46,610 INFO L85 PathProgramCache]: Analyzing trace with hash 75424886, now seen corresponding path program 1 times [2025-03-08 06:16:46,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:46,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687063115] [2025-03-08 06:16:46,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:46,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:46,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-08 06:16:46,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-08 06:16:46,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:46,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:47,059 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 06:16:47,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:47,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687063115] [2025-03-08 06:16:47,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687063115] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:47,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:47,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-08 06:16:47,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004688935] [2025-03-08 06:16:47,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:47,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-08 06:16:47,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:47,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-08 06:16:47,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-08 06:16:47,061 INFO L87 Difference]: Start difference. First operand 3322 states and 4655 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 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 06:16:47,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:47,396 INFO L93 Difference]: Finished difference Result 5501 states and 7765 transitions. [2025-03-08 06:16:47,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-08 06:16:47,397 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2025-03-08 06:16:47,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:47,404 INFO L225 Difference]: With dead ends: 5501 [2025-03-08 06:16:47,404 INFO L226 Difference]: Without dead ends: 5400 [2025-03-08 06:16:47,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2025-03-08 06:16:47,406 INFO L435 NwaCegarLoop]: 461 mSDtfsCounter, 3130 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3130 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:47,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3130 Valid, 1599 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 06:16:47,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5400 states. [2025-03-08 06:16:47,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5400 to 3272. [2025-03-08 06:16:47,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3272 states, 3270 states have (on average 1.4048929663608563) internal successors, (4594), 3271 states have internal predecessors, (4594), 0 states have call successors, (0), 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 06:16:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 3272 states and 4594 transitions. [2025-03-08 06:16:47,442 INFO L78 Accepts]: Start accepts. Automaton has 3272 states and 4594 transitions. Word has length 56 [2025-03-08 06:16:47,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:47,442 INFO L471 AbstractCegarLoop]: Abstraction has 3272 states and 4594 transitions. [2025-03-08 06:16:47,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 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 06:16:47,442 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 4594 transitions. [2025-03-08 06:16:47,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-08 06:16:47,443 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:47,443 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] [2025-03-08 06:16:47,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 06:16:47,444 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:47,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:47,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1250682508, now seen corresponding path program 1 times [2025-03-08 06:16:47,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:47,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127847900] [2025-03-08 06:16:47,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:47,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:47,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-08 06:16:47,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-08 06:16:47,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:47,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:48,157 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 06:16:48,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:48,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127847900] [2025-03-08 06:16:48,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127847900] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:48,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:48,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2025-03-08 06:16:48,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866858664] [2025-03-08 06:16:48,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:48,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-08 06:16:48,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:48,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-08 06:16:48,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2025-03-08 06:16:48,159 INFO L87 Difference]: Start difference. First operand 3272 states and 4594 transitions. Second operand has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 0 states have call successors, (0), 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 06:16:49,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:49,628 INFO L93 Difference]: Finished difference Result 4408 states and 6155 transitions. [2025-03-08 06:16:49,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-08 06:16:49,628 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2025-03-08 06:16:49,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:49,633 INFO L225 Difference]: With dead ends: 4408 [2025-03-08 06:16:49,633 INFO L226 Difference]: Without dead ends: 4404 [2025-03-08 06:16:49,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=237, Invalid=1023, Unknown=0, NotChecked=0, Total=1260 [2025-03-08 06:16:49,634 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 3262 mSDsluCounter, 5105 mSDsCounter, 0 mSdLazyCounter, 2110 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 5621 SdHoareTripleChecker+Invalid, 2123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:49,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 5621 Invalid, 2123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2110 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-08 06:16:49,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4404 states. [2025-03-08 06:16:49,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4404 to 3285. [2025-03-08 06:16:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3285 states, 3283 states have (on average 1.4048126713371916) internal successors, (4612), 3284 states have internal predecessors, (4612), 0 states have call successors, (0), 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 06:16:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 3285 states and 4612 transitions. [2025-03-08 06:16:49,662 INFO L78 Accepts]: Start accepts. Automaton has 3285 states and 4612 transitions. Word has length 57 [2025-03-08 06:16:49,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:49,662 INFO L471 AbstractCegarLoop]: Abstraction has 3285 states and 4612 transitions. [2025-03-08 06:16:49,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 0 states have call successors, (0), 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 06:16:49,663 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 4612 transitions. [2025-03-08 06:16:49,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-08 06:16:49,664 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:49,664 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] [2025-03-08 06:16:49,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 06:16:49,664 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:49,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:49,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1806133948, now seen corresponding path program 1 times [2025-03-08 06:16:49,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:49,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524453035] [2025-03-08 06:16:49,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:49,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:49,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-08 06:16:49,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-08 06:16:49,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:49,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:50,062 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 06:16:50,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:50,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524453035] [2025-03-08 06:16:50,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524453035] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:50,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:50,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-08 06:16:50,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410687725] [2025-03-08 06:16:50,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:50,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-08 06:16:50,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:50,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-08 06:16:50,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-03-08 06:16:50,063 INFO L87 Difference]: Start difference. First operand 3285 states and 4612 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 06:16:50,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:50,652 INFO L93 Difference]: Finished difference Result 5294 states and 7415 transitions. [2025-03-08 06:16:50,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-08 06:16:50,652 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2025-03-08 06:16:50,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:50,658 INFO L225 Difference]: With dead ends: 5294 [2025-03-08 06:16:50,658 INFO L226 Difference]: Without dead ends: 5209 [2025-03-08 06:16:50,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2025-03-08 06:16:50,659 INFO L435 NwaCegarLoop]: 586 mSDtfsCounter, 3161 mSDsluCounter, 2597 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3161 SdHoareTripleChecker+Valid, 3183 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:50,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3161 Valid, 3183 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:16:50,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5209 states. [2025-03-08 06:16:50,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5209 to 3243. [2025-03-08 06:16:50,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3243 states, 3242 states have (on average 1.405613818630475) internal successors, (4557), 3242 states have internal predecessors, (4557), 0 states have call successors, (0), 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 06:16:50,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3243 states to 3243 states and 4557 transitions. [2025-03-08 06:16:50,695 INFO L78 Accepts]: Start accepts. Automaton has 3243 states and 4557 transitions. Word has length 58 [2025-03-08 06:16:50,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:50,695 INFO L471 AbstractCegarLoop]: Abstraction has 3243 states and 4557 transitions. [2025-03-08 06:16:50,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 06:16:50,695 INFO L276 IsEmpty]: Start isEmpty. Operand 3243 states and 4557 transitions. [2025-03-08 06:16:50,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-08 06:16:50,697 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:50,697 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] [2025-03-08 06:16:50,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 06:16:50,697 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:50,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:50,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1377375765, now seen corresponding path program 1 times [2025-03-08 06:16:50,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:50,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413246018] [2025-03-08 06:16:50,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:50,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:50,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-08 06:16:50,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-08 06:16:50,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:50,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:50,769 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 06:16:50,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:50,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413246018] [2025-03-08 06:16:50,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413246018] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:50,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:50,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 06:16:50,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352354502] [2025-03-08 06:16:50,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:50,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:16:50,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:50,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:16:50,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:16:50,771 INFO L87 Difference]: Start difference. First operand 3243 states and 4557 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 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 06:16:50,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:50,841 INFO L93 Difference]: Finished difference Result 10327 states and 14821 transitions. [2025-03-08 06:16:50,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 06:16:50,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2025-03-08 06:16:50,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:50,852 INFO L225 Difference]: With dead ends: 10327 [2025-03-08 06:16:50,853 INFO L226 Difference]: Without dead ends: 7573 [2025-03-08 06:16:50,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 06:16:50,859 INFO L435 NwaCegarLoop]: 486 mSDtfsCounter, 1462 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1462 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:50,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1462 Valid, 922 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:50,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7573 states. [2025-03-08 06:16:50,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7573 to 5701. [2025-03-08 06:16:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5701 states, 5700 states have (on average 1.4033333333333333) internal successors, (7999), 5700 states have internal predecessors, (7999), 0 states have call successors, (0), 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 06:16:50,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5701 states to 5701 states and 7999 transitions. [2025-03-08 06:16:50,917 INFO L78 Accepts]: Start accepts. Automaton has 5701 states and 7999 transitions. Word has length 61 [2025-03-08 06:16:50,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:50,918 INFO L471 AbstractCegarLoop]: Abstraction has 5701 states and 7999 transitions. [2025-03-08 06:16:50,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 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 06:16:50,918 INFO L276 IsEmpty]: Start isEmpty. Operand 5701 states and 7999 transitions. [2025-03-08 06:16:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-08 06:16:50,919 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:50,919 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] [2025-03-08 06:16:50,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 06:16:50,919 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:50,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:50,920 INFO L85 PathProgramCache]: Analyzing trace with hash 359198562, now seen corresponding path program 1 times [2025-03-08 06:16:50,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:50,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256166033] [2025-03-08 06:16:50,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:50,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:50,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-08 06:16:50,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-08 06:16:50,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:50,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:50,992 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 06:16:50,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:50,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256166033] [2025-03-08 06:16:50,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256166033] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:50,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:50,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 06:16:50,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611357409] [2025-03-08 06:16:50,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:50,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:16:50,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:50,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:16:50,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:16:50,995 INFO L87 Difference]: Start difference. First operand 5701 states and 7999 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:16:51,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:51,056 INFO L93 Difference]: Finished difference Result 8997 states and 12666 transitions. [2025-03-08 06:16:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 06:16:51,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2025-03-08 06:16:51,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:51,061 INFO L225 Difference]: With dead ends: 8997 [2025-03-08 06:16:51,061 INFO L226 Difference]: Without dead ends: 3743 [2025-03-08 06:16:51,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:16:51,105 INFO L435 NwaCegarLoop]: 431 mSDtfsCounter, 973 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:51,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 752 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:51,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3743 states. [2025-03-08 06:16:51,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3743 to 3739. [2025-03-08 06:16:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3739 states, 3738 states have (on average 1.379079721776351) internal successors, (5155), 3738 states have internal predecessors, (5155), 0 states have call successors, (0), 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 06:16:51,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3739 states and 5155 transitions. [2025-03-08 06:16:51,139 INFO L78 Accepts]: Start accepts. Automaton has 3739 states and 5155 transitions. Word has length 62 [2025-03-08 06:16:51,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:51,139 INFO L471 AbstractCegarLoop]: Abstraction has 3739 states and 5155 transitions. [2025-03-08 06:16:51,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:16:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 3739 states and 5155 transitions. [2025-03-08 06:16:51,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-08 06:16:51,141 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:51,141 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 06:16:51,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 06:16:51,141 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:51,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:51,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1336001884, now seen corresponding path program 1 times [2025-03-08 06:16:51,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:51,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058333438] [2025-03-08 06:16:51,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:51,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:51,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-08 06:16:51,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-08 06:16:51,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:51,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:51,240 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 06:16:51,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:51,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058333438] [2025-03-08 06:16:51,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058333438] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:51,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:51,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:16:51,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859059929] [2025-03-08 06:16:51,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:51,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:16:51,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:51,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:16:51,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:16:51,243 INFO L87 Difference]: Start difference. First operand 3739 states and 5155 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:16:51,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:51,298 INFO L93 Difference]: Finished difference Result 10009 states and 13977 transitions. [2025-03-08 06:16:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:16:51,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2025-03-08 06:16:51,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:51,310 INFO L225 Difference]: With dead ends: 10009 [2025-03-08 06:16:51,310 INFO L226 Difference]: Without dead ends: 6717 [2025-03-08 06:16:51,315 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 06:16:51,315 INFO L435 NwaCegarLoop]: 480 mSDtfsCounter, 210 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:51,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 743 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:51,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6717 states. [2025-03-08 06:16:51,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6717 to 6299. [2025-03-08 06:16:51,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6299 states, 6298 states have (on average 1.3799618926643378) internal successors, (8691), 6298 states have internal predecessors, (8691), 0 states have call successors, (0), 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 06:16:51,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6299 states to 6299 states and 8691 transitions. [2025-03-08 06:16:51,389 INFO L78 Accepts]: Start accepts. Automaton has 6299 states and 8691 transitions. Word has length 66 [2025-03-08 06:16:51,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:51,390 INFO L471 AbstractCegarLoop]: Abstraction has 6299 states and 8691 transitions. [2025-03-08 06:16:51,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:16:51,390 INFO L276 IsEmpty]: Start isEmpty. Operand 6299 states and 8691 transitions. [2025-03-08 06:16:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-08 06:16:51,391 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:51,391 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 06:16:51,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-08 06:16:51,391 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:51,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:51,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2059782906, now seen corresponding path program 1 times [2025-03-08 06:16:51,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:51,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963354451] [2025-03-08 06:16:51,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:51,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:51,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-08 06:16:51,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-08 06:16:51,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:51,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:51,562 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 06:16:51,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:51,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963354451] [2025-03-08 06:16:51,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963354451] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:51,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:51,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:16:51,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124427038] [2025-03-08 06:16:51,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:51,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:16:51,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:51,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:16:51,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:16:51,563 INFO L87 Difference]: Start difference. First operand 6299 states and 8691 transitions. Second operand has 6 states, 6 states have (on average 11.5) 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 06:16:51,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:51,619 INFO L93 Difference]: Finished difference Result 6745 states and 9284 transitions. [2025-03-08 06:16:51,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:16:51,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) 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 06:16:51,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:51,629 INFO L225 Difference]: With dead ends: 6745 [2025-03-08 06:16:51,629 INFO L226 Difference]: Without dead ends: 6743 [2025-03-08 06:16:51,630 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 06:16:51,631 INFO L435 NwaCegarLoop]: 442 mSDtfsCounter, 0 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2162 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:51,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2162 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:51,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6743 states. [2025-03-08 06:16:51,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6743 to 6743. [2025-03-08 06:16:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6743 states, 6742 states have (on average 1.3549391871848115) internal successors, (9135), 6742 states have internal predecessors, (9135), 0 states have call successors, (0), 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 06:16:51,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6743 states to 6743 states and 9135 transitions. [2025-03-08 06:16:51,718 INFO L78 Accepts]: Start accepts. Automaton has 6743 states and 9135 transitions. Word has length 69 [2025-03-08 06:16:51,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:51,718 INFO L471 AbstractCegarLoop]: Abstraction has 6743 states and 9135 transitions. [2025-03-08 06:16:51,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) 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 06:16:51,719 INFO L276 IsEmpty]: Start isEmpty. Operand 6743 states and 9135 transitions. [2025-03-08 06:16:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-08 06:16:51,720 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:51,720 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 06:16:51,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-08 06:16:51,721 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:51,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:51,721 INFO L85 PathProgramCache]: Analyzing trace with hash -344854349, now seen corresponding path program 1 times [2025-03-08 06:16:51,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:51,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903319990] [2025-03-08 06:16:51,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:51,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:51,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-08 06:16:51,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-08 06:16:51,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:51,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:51,765 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 06:16:51,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:51,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903319990] [2025-03-08 06:16:51,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903319990] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:51,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:51,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:16:51,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528896077] [2025-03-08 06:16:51,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:51,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:16:51,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:51,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:16:51,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:16:51,766 INFO L87 Difference]: Start difference. First operand 6743 states and 9135 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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 06:16:51,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:51,827 INFO L93 Difference]: Finished difference Result 18116 states and 24670 transitions. [2025-03-08 06:16:51,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:16:51,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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 06:16:51,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:51,843 INFO L225 Difference]: With dead ends: 18116 [2025-03-08 06:16:51,843 INFO L226 Difference]: Without dead ends: 11820 [2025-03-08 06:16:51,850 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 06:16:51,851 INFO L435 NwaCegarLoop]: 430 mSDtfsCounter, 242 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:51,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 672 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:51,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11820 states. [2025-03-08 06:16:51,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11820 to 11818. [2025-03-08 06:16:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11818 states, 11817 states have (on average 1.3434881949733435) internal successors, (15876), 11817 states have internal predecessors, (15876), 0 states have call successors, (0), 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 06:16:51,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11818 states to 11818 states and 15876 transitions. [2025-03-08 06:16:51,958 INFO L78 Accepts]: Start accepts. Automaton has 11818 states and 15876 transitions. Word has length 70 [2025-03-08 06:16:51,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:51,958 INFO L471 AbstractCegarLoop]: Abstraction has 11818 states and 15876 transitions. [2025-03-08 06:16:51,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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 06:16:51,959 INFO L276 IsEmpty]: Start isEmpty. Operand 11818 states and 15876 transitions. [2025-03-08 06:16:51,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-08 06:16:51,960 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:51,960 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 06:16:51,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-08 06:16:51,961 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:51,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:51,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1637341209, now seen corresponding path program 1 times [2025-03-08 06:16:51,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:51,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056520432] [2025-03-08 06:16:51,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:51,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:51,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 06:16:51,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 06:16:51,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:51,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:52,040 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 06:16:52,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:52,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056520432] [2025-03-08 06:16:52,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056520432] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:52,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:52,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 06:16:52,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467361067] [2025-03-08 06:16:52,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:52,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:16:52,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:52,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:16:52,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:16:52,041 INFO L87 Difference]: Start difference. First operand 11818 states and 15876 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:16:52,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:52,124 INFO L93 Difference]: Finished difference Result 20712 states and 27960 transitions. [2025-03-08 06:16:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 06:16:52,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2025-03-08 06:16:52,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:52,153 INFO L225 Difference]: With dead ends: 20712 [2025-03-08 06:16:52,154 INFO L226 Difference]: Without dead ends: 17028 [2025-03-08 06:16:52,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:16:52,162 INFO L435 NwaCegarLoop]: 486 mSDtfsCounter, 963 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:52,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 1094 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:52,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17028 states. [2025-03-08 06:16:52,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17028 to 14796. [2025-03-08 06:16:52,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14796 states, 14795 states have (on average 1.3405880364988172) internal successors, (19834), 14795 states have internal predecessors, (19834), 0 states have call successors, (0), 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 06:16:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14796 states to 14796 states and 19834 transitions. [2025-03-08 06:16:52,387 INFO L78 Accepts]: Start accepts. Automaton has 14796 states and 19834 transitions. Word has length 71 [2025-03-08 06:16:52,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:52,387 INFO L471 AbstractCegarLoop]: Abstraction has 14796 states and 19834 transitions. [2025-03-08 06:16:52,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:16:52,387 INFO L276 IsEmpty]: Start isEmpty. Operand 14796 states and 19834 transitions. [2025-03-08 06:16:52,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-08 06:16:52,389 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:52,390 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 06:16:52,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-08 06:16:52,390 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:52,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:52,391 INFO L85 PathProgramCache]: Analyzing trace with hash 364343627, now seen corresponding path program 1 times [2025-03-08 06:16:52,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:52,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358139117] [2025-03-08 06:16:52,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:52,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-08 06:16:52,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-08 06:16:52,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:52,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:52,444 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 06:16:52,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:52,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358139117] [2025-03-08 06:16:52,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358139117] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:52,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:52,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:16:52,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303419208] [2025-03-08 06:16:52,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:52,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:16:52,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:52,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:16:52,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:16:52,445 INFO L87 Difference]: Start difference. First operand 14796 states and 19834 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 06:16:52,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:52,499 INFO L93 Difference]: Finished difference Result 17848 states and 23872 transitions. [2025-03-08 06:16:52,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:16:52,499 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 06:16:52,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:52,514 INFO L225 Difference]: With dead ends: 17848 [2025-03-08 06:16:52,515 INFO L226 Difference]: Without dead ends: 11750 [2025-03-08 06:16:52,524 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 06:16:52,524 INFO L435 NwaCegarLoop]: 501 mSDtfsCounter, 169 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:52,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 807 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:52,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11750 states. [2025-03-08 06:16:52,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11750 to 11680. [2025-03-08 06:16:52,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11680 states, 11679 states have (on average 1.3170648171932529) internal successors, (15382), 11679 states have internal predecessors, (15382), 0 states have call successors, (0), 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 06:16:52,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11680 states to 11680 states and 15382 transitions. [2025-03-08 06:16:52,651 INFO L78 Accepts]: Start accepts. Automaton has 11680 states and 15382 transitions. Word has length 73 [2025-03-08 06:16:52,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:52,651 INFO L471 AbstractCegarLoop]: Abstraction has 11680 states and 15382 transitions. [2025-03-08 06:16:52,651 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 06:16:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 11680 states and 15382 transitions. [2025-03-08 06:16:52,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-08 06:16:52,654 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:52,654 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 06:16:52,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-08 06:16:52,654 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:52,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:52,654 INFO L85 PathProgramCache]: Analyzing trace with hash -983675392, now seen corresponding path program 1 times [2025-03-08 06:16:52,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:52,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474312147] [2025-03-08 06:16:52,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:52,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:52,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-08 06:16:52,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-08 06:16:52,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:52,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:52,767 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 06:16:52,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:52,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474312147] [2025-03-08 06:16:52,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474312147] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:52,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:52,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:16:52,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113814385] [2025-03-08 06:16:52,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:52,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 06:16:52,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:52,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 06:16:52,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:16:52,768 INFO L87 Difference]: Start difference. First operand 11680 states and 15382 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 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 06:16:53,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:53,273 INFO L93 Difference]: Finished difference Result 27448 states and 36324 transitions. [2025-03-08 06:16:53,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 06:16:53,279 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 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 06:16:53,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:53,308 INFO L225 Difference]: With dead ends: 27448 [2025-03-08 06:16:53,308 INFO L226 Difference]: Without dead ends: 21222 [2025-03-08 06:16:53,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2025-03-08 06:16:53,322 INFO L435 NwaCegarLoop]: 247 mSDtfsCounter, 2089 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2089 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:53,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2089 Valid, 643 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 06:16:53,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21222 states. [2025-03-08 06:16:53,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21222 to 13540. [2025-03-08 06:16:53,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13540 states, 13539 states have (on average 1.3070389245882266) internal successors, (17696), 13539 states have internal predecessors, (17696), 0 states have call successors, (0), 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 06:16:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13540 states to 13540 states and 17696 transitions. [2025-03-08 06:16:53,464 INFO L78 Accepts]: Start accepts. Automaton has 13540 states and 17696 transitions. Word has length 74 [2025-03-08 06:16:53,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:53,465 INFO L471 AbstractCegarLoop]: Abstraction has 13540 states and 17696 transitions. [2025-03-08 06:16:53,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 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 06:16:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 13540 states and 17696 transitions. [2025-03-08 06:16:53,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-08 06:16:53,467 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:53,467 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 06:16:53,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-08 06:16:53,467 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:53,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:53,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1911801741, now seen corresponding path program 1 times [2025-03-08 06:16:53,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:53,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251693449] [2025-03-08 06:16:53,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:53,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:53,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-08 06:16:53,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-08 06:16:53,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:53,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:53,537 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 06:16:53,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:53,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251693449] [2025-03-08 06:16:53,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251693449] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:53,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:53,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 06:16:53,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63424844] [2025-03-08 06:16:53,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:53,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:16:53,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:53,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:16:53,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:16:53,539 INFO L87 Difference]: Start difference. First operand 13540 states and 17696 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 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 06:16:53,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:53,624 INFO L93 Difference]: Finished difference Result 20048 states and 26394 transitions. [2025-03-08 06:16:53,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 06:16:53,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 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 06:16:53,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:53,643 INFO L225 Difference]: With dead ends: 20048 [2025-03-08 06:16:53,643 INFO L226 Difference]: Without dead ends: 17434 [2025-03-08 06:16:53,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:16:53,650 INFO L435 NwaCegarLoop]: 523 mSDtfsCounter, 869 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:53,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 1139 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:53,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17434 states. [2025-03-08 06:16:53,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17434 to 16104. [2025-03-08 06:16:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16104 states, 16103 states have (on average 1.3090728435695211) internal successors, (21080), 16103 states have internal predecessors, (21080), 0 states have call successors, (0), 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 06:16:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16104 states to 16104 states and 21080 transitions. [2025-03-08 06:16:53,884 INFO L78 Accepts]: Start accepts. Automaton has 16104 states and 21080 transitions. Word has length 75 [2025-03-08 06:16:53,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:53,884 INFO L471 AbstractCegarLoop]: Abstraction has 16104 states and 21080 transitions. [2025-03-08 06:16:53,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 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 06:16:53,884 INFO L276 IsEmpty]: Start isEmpty. Operand 16104 states and 21080 transitions. [2025-03-08 06:16:53,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 06:16:53,886 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:53,886 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 06:16:53,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-08 06:16:53,887 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:53,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:53,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1537864471, now seen corresponding path program 1 times [2025-03-08 06:16:53,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:53,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214279858] [2025-03-08 06:16:53,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:53,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:53,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 06:16:53,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 06:16:53,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:53,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:53,984 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 06:16:53,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:53,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214279858] [2025-03-08 06:16:53,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214279858] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:53,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:53,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 06:16:53,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118356831] [2025-03-08 06:16:53,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:53,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:16:53,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:53,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:16:53,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:16:53,986 INFO L87 Difference]: Start difference. First operand 16104 states and 21080 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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 06:16:54,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:54,101 INFO L93 Difference]: Finished difference Result 25088 states and 33062 transitions. [2025-03-08 06:16:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 06:16:54,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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 06:16:54,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:54,131 INFO L225 Difference]: With dead ends: 25088 [2025-03-08 06:16:54,131 INFO L226 Difference]: Without dead ends: 20898 [2025-03-08 06:16:54,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:16:54,142 INFO L435 NwaCegarLoop]: 530 mSDtfsCounter, 884 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:54,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 1111 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:54,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20898 states. [2025-03-08 06:16:54,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20898 to 19568. [2025-03-08 06:16:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19568 states, 19567 states have (on average 1.3091429447539225) internal successors, (25616), 19567 states have internal predecessors, (25616), 0 states have call successors, (0), 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 06:16:54,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19568 states to 19568 states and 25616 transitions. [2025-03-08 06:16:54,412 INFO L78 Accepts]: Start accepts. Automaton has 19568 states and 25616 transitions. Word has length 77 [2025-03-08 06:16:54,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:54,412 INFO L471 AbstractCegarLoop]: Abstraction has 19568 states and 25616 transitions. [2025-03-08 06:16:54,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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 06:16:54,413 INFO L276 IsEmpty]: Start isEmpty. Operand 19568 states and 25616 transitions. [2025-03-08 06:16:54,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-08 06:16:54,416 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:54,416 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] [2025-03-08 06:16:54,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-08 06:16:54,417 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:54,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:54,417 INFO L85 PathProgramCache]: Analyzing trace with hash 716169240, now seen corresponding path program 1 times [2025-03-08 06:16:54,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:54,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792077633] [2025-03-08 06:16:54,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:54,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:54,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-08 06:16:54,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-08 06:16:54,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:54,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:54,541 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 06:16:54,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:54,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792077633] [2025-03-08 06:16:54,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792077633] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:54,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:54,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 06:16:54,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37164874] [2025-03-08 06:16:54,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:54,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:16:54,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:54,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:16:54,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:16:54,543 INFO L87 Difference]: Start difference. First operand 19568 states and 25616 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 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 06:16:54,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:54,654 INFO L93 Difference]: Finished difference Result 26402 states and 34617 transitions. [2025-03-08 06:16:54,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 06:16:54,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2025-03-08 06:16:54,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:54,677 INFO L225 Difference]: With dead ends: 26402 [2025-03-08 06:16:54,677 INFO L226 Difference]: Without dead ends: 20764 [2025-03-08 06:16:54,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:16:54,687 INFO L435 NwaCegarLoop]: 488 mSDtfsCounter, 937 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:54,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 1103 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:16:54,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20764 states. [2025-03-08 06:16:54,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20764 to 19436. [2025-03-08 06:16:54,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19436 states, 19435 states have (on average 1.306714689992282) internal successors, (25396), 19435 states have internal predecessors, (25396), 0 states have call successors, (0), 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 06:16:54,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19436 states to 19436 states and 25396 transitions. [2025-03-08 06:16:54,850 INFO L78 Accepts]: Start accepts. Automaton has 19436 states and 25396 transitions. Word has length 82 [2025-03-08 06:16:54,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:54,850 INFO L471 AbstractCegarLoop]: Abstraction has 19436 states and 25396 transitions. [2025-03-08 06:16:54,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 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 06:16:54,850 INFO L276 IsEmpty]: Start isEmpty. Operand 19436 states and 25396 transitions. [2025-03-08 06:16:54,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-08 06:16:54,853 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:54,853 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] [2025-03-08 06:16:54,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-08 06:16:54,854 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:54,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:54,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1655562268, now seen corresponding path program 1 times [2025-03-08 06:16:54,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:54,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583071971] [2025-03-08 06:16:54,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:54,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:54,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-08 06:16:54,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-08 06:16:54,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:54,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:54,994 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 06:16:54,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:54,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583071971] [2025-03-08 06:16:54,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583071971] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:54,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:54,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:16:54,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264944901] [2025-03-08 06:16:54,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:54,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 06:16:54,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:54,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 06:16:54,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:16:54,994 INFO L87 Difference]: Start difference. First operand 19436 states and 25396 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 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 06:16:55,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:55,328 INFO L93 Difference]: Finished difference Result 22554 states and 29360 transitions. [2025-03-08 06:16:55,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 06:16:55,329 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2025-03-08 06:16:55,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:55,353 INFO L225 Difference]: With dead ends: 22554 [2025-03-08 06:16:55,353 INFO L226 Difference]: Without dead ends: 21904 [2025-03-08 06:16:55,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-03-08 06:16:55,363 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 1860 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1860 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:55,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1860 Valid, 575 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:16:55,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21904 states. [2025-03-08 06:16:55,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21904 to 19434. [2025-03-08 06:16:55,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19434 states, 19433 states have (on average 1.3066433386507488) internal successors, (25392), 19433 states have internal predecessors, (25392), 0 states have call successors, (0), 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 06:16:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19434 states to 19434 states and 25392 transitions. [2025-03-08 06:16:55,546 INFO L78 Accepts]: Start accepts. Automaton has 19434 states and 25392 transitions. Word has length 83 [2025-03-08 06:16:55,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:55,546 INFO L471 AbstractCegarLoop]: Abstraction has 19434 states and 25392 transitions. [2025-03-08 06:16:55,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 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 06:16:55,546 INFO L276 IsEmpty]: Start isEmpty. Operand 19434 states and 25392 transitions. [2025-03-08 06:16:55,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-08 06:16:55,551 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:55,551 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:16:55,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-08 06:16:55,552 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:55,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:55,552 INFO L85 PathProgramCache]: Analyzing trace with hash -98469151, now seen corresponding path program 1 times [2025-03-08 06:16:55,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:55,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084043101] [2025-03-08 06:16:55,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:55,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:55,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-08 06:16:55,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-08 06:16:55,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:55,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:55,699 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:16:55,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:55,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084043101] [2025-03-08 06:16:55,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084043101] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 06:16:55,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292307303] [2025-03-08 06:16:55,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:55,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:16:55,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:16:55,703 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 06:16:55,704 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 06:16:55,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-08 06:16:55,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-08 06:16:55,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:55,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:55,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-08 06:16:55,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 06:16:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-08 06:16:56,219 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 06:16:56,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292307303] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:56,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 06:16:56,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 12 [2025-03-08 06:16:56,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560637730] [2025-03-08 06:16:56,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:56,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 06:16:56,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:56,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 06:16:56,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-08 06:16:56,221 INFO L87 Difference]: Start difference. First operand 19434 states and 25392 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 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 06:16:56,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:56,925 INFO L93 Difference]: Finished difference Result 53319 states and 69800 transitions. [2025-03-08 06:16:56,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 06:16:56,925 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 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 91 [2025-03-08 06:16:56,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:56,963 INFO L225 Difference]: With dead ends: 53319 [2025-03-08 06:16:56,963 INFO L226 Difference]: Without dead ends: 40162 [2025-03-08 06:16:56,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2025-03-08 06:16:56,979 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 1706 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1706 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:56,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1706 Valid, 1486 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 06:16:56,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40162 states. [2025-03-08 06:16:57,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40162 to 19419. [2025-03-08 06:16:57,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19419 states, 19418 states have (on average 1.306828715624678) internal successors, (25376), 19418 states have internal predecessors, (25376), 0 states have call successors, (0), 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 06:16:57,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19419 states to 19419 states and 25376 transitions. [2025-03-08 06:16:57,214 INFO L78 Accepts]: Start accepts. Automaton has 19419 states and 25376 transitions. Word has length 91 [2025-03-08 06:16:57,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:57,214 INFO L471 AbstractCegarLoop]: Abstraction has 19419 states and 25376 transitions. [2025-03-08 06:16:57,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 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 06:16:57,215 INFO L276 IsEmpty]: Start isEmpty. Operand 19419 states and 25376 transitions. [2025-03-08 06:16:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-08 06:16:57,219 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:57,220 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:16:57,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 06:16:57,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-03-08 06:16:57,420 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:57,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:57,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1114333587, now seen corresponding path program 1 times [2025-03-08 06:16:57,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:57,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642654746] [2025-03-08 06:16:57,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:57,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:57,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-08 06:16:57,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-08 06:16:57,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:57,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:57,679 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:16:57,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:57,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642654746] [2025-03-08 06:16:57,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642654746] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:16:57,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:16:57,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-08 06:16:57,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442626810] [2025-03-08 06:16:57,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:16:57,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-08 06:16:57,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:16:57,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-08 06:16:57,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-03-08 06:16:57,680 INFO L87 Difference]: Start difference. First operand 19419 states and 25376 transitions. Second operand has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 11 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 06:16:58,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:16:58,300 INFO L93 Difference]: Finished difference Result 38815 states and 50277 transitions. [2025-03-08 06:16:58,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-08 06:16:58,353 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 11 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 06:16:58,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:16:58,382 INFO L225 Difference]: With dead ends: 38815 [2025-03-08 06:16:58,382 INFO L226 Difference]: Without dead ends: 31567 [2025-03-08 06:16:58,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2025-03-08 06:16:58,389 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 1119 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 06:16:58,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 1590 Invalid, 1360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 06:16:58,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31567 states. [2025-03-08 06:16:58,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31567 to 27881. [2025-03-08 06:16:58,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27881 states, 27880 states have (on average 1.3004304160688667) internal successors, (36256), 27880 states have internal predecessors, (36256), 0 states have call successors, (0), 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 06:16:58,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27881 states to 27881 states and 36256 transitions. [2025-03-08 06:16:58,625 INFO L78 Accepts]: Start accepts. Automaton has 27881 states and 36256 transitions. Word has length 91 [2025-03-08 06:16:58,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:16:58,625 INFO L471 AbstractCegarLoop]: Abstraction has 27881 states and 36256 transitions. [2025-03-08 06:16:58,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 11 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 06:16:58,625 INFO L276 IsEmpty]: Start isEmpty. Operand 27881 states and 36256 transitions. [2025-03-08 06:16:58,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-08 06:16:58,631 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:16:58,631 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:16:58,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-08 06:16:58,631 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:16:58,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:16:58,632 INFO L85 PathProgramCache]: Analyzing trace with hash -2145281788, now seen corresponding path program 1 times [2025-03-08 06:16:58,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:16:58,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396580418] [2025-03-08 06:16:58,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:58,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:16:58,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-08 06:16:58,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-08 06:16:58,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:58,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:58,773 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:16:58,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:16:58,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396580418] [2025-03-08 06:16:58,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396580418] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 06:16:58,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409950918] [2025-03-08 06:16:58,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:16:58,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:16:58,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:16:58,776 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 06:16:58,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 06:16:58,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-08 06:16:59,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-08 06:16:59,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:16:59,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:16:59,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-08 06:16:59,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 06:16:59,867 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:16:59,867 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 06:17:00,698 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:00,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409950918] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 06:17:00,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 06:17:00,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 12] total 26 [2025-03-08 06:17:00,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38274774] [2025-03-08 06:17:00,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 06:17:00,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-08 06:17:00,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:00,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-08 06:17:00,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2025-03-08 06:17:00,700 INFO L87 Difference]: Start difference. First operand 27881 states and 36256 transitions. Second operand has 26 states, 26 states have (on average 10.038461538461538) internal successors, (261), 26 states have internal predecessors, (261), 0 states have call successors, (0), 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 06:17:11,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:11,716 INFO L93 Difference]: Finished difference Result 326460 states and 416630 transitions. [2025-03-08 06:17:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2025-03-08 06:17:11,716 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 10.038461538461538) internal successors, (261), 26 states have internal predecessors, (261), 0 states have call successors, (0), 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 06:17:11,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:12,243 INFO L225 Difference]: With dead ends: 326460 [2025-03-08 06:17:12,243 INFO L226 Difference]: Without dead ends: 299058 [2025-03-08 06:17:12,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 277 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33415 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=11070, Invalid=66492, Unknown=0, NotChecked=0, Total=77562 [2025-03-08 06:17:12,357 INFO L435 NwaCegarLoop]: 338 mSDtfsCounter, 10613 mSDsluCounter, 3774 mSDsCounter, 0 mSdLazyCounter, 4447 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10613 SdHoareTripleChecker+Valid, 4112 SdHoareTripleChecker+Invalid, 4704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 4447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:12,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10613 Valid, 4112 Invalid, 4704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 4447 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-08 06:17:12,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299058 states. [2025-03-08 06:17:13,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299058 to 37529. [2025-03-08 06:17:13,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37529 states, 37528 states have (on average 1.2970581965465786) internal successors, (48676), 37528 states have internal predecessors, (48676), 0 states have call successors, (0), 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 06:17:14,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37529 states to 37529 states and 48676 transitions. [2025-03-08 06:17:14,034 INFO L78 Accepts]: Start accepts. Automaton has 37529 states and 48676 transitions. Word has length 92 [2025-03-08 06:17:14,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:14,034 INFO L471 AbstractCegarLoop]: Abstraction has 37529 states and 48676 transitions. [2025-03-08 06:17:14,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 10.038461538461538) internal successors, (261), 26 states have internal predecessors, (261), 0 states have call successors, (0), 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 06:17:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 37529 states and 48676 transitions. [2025-03-08 06:17:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-08 06:17:14,041 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:14,041 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:14,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 06:17:14,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-08 06:17:14,246 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:14,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:14,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1290155431, now seen corresponding path program 1 times [2025-03-08 06:17:14,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:14,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514741720] [2025-03-08 06:17:14,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:14,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:14,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-08 06:17:14,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-08 06:17:14,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:14,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:14,296 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:14,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:14,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514741720] [2025-03-08 06:17:14,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514741720] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:17:14,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:17:14,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:17:14,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167347861] [2025-03-08 06:17:14,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:17:14,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:17:14,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:14,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:17:14,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:17:14,298 INFO L87 Difference]: Start difference. First operand 37529 states and 48676 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 06:17:14,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:14,403 INFO L93 Difference]: Finished difference Result 51164 states and 66347 transitions. [2025-03-08 06:17:14,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:17:14,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2025-03-08 06:17:14,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:14,426 INFO L225 Difference]: With dead ends: 51164 [2025-03-08 06:17:14,426 INFO L226 Difference]: Without dead ends: 21557 [2025-03-08 06:17:14,444 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 06:17:14,445 INFO L435 NwaCegarLoop]: 449 mSDtfsCounter, 140 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:14,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 758 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:17:14,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21557 states. [2025-03-08 06:17:14,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21557 to 19741. [2025-03-08 06:17:14,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19741 states, 19740 states have (on average 1.2850557244174265) internal successors, (25367), 19740 states have internal predecessors, (25367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:17:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19741 states to 19741 states and 25367 transitions. [2025-03-08 06:17:14,631 INFO L78 Accepts]: Start accepts. Automaton has 19741 states and 25367 transitions. Word has length 95 [2025-03-08 06:17:14,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:14,631 INFO L471 AbstractCegarLoop]: Abstraction has 19741 states and 25367 transitions. [2025-03-08 06:17:14,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 06:17:14,632 INFO L276 IsEmpty]: Start isEmpty. Operand 19741 states and 25367 transitions. [2025-03-08 06:17:14,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-08 06:17:14,637 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:14,637 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:14,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-08 06:17:14,637 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:14,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:14,638 INFO L85 PathProgramCache]: Analyzing trace with hash -108581681, now seen corresponding path program 1 times [2025-03-08 06:17:14,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:14,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884248302] [2025-03-08 06:17:14,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:14,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:14,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-08 06:17:14,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-08 06:17:14,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:14,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:14,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:14,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884248302] [2025-03-08 06:17:14,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884248302] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:17:14,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:17:14,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 06:17:14,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696346236] [2025-03-08 06:17:14,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:17:14,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 06:17:14,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:14,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 06:17:14,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 06:17:14,811 INFO L87 Difference]: Start difference. First operand 19741 states and 25367 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:17:15,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:15,089 INFO L93 Difference]: Finished difference Result 40405 states and 51911 transitions. [2025-03-08 06:17:15,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:17:15,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2025-03-08 06:17:15,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:15,111 INFO L225 Difference]: With dead ends: 40405 [2025-03-08 06:17:15,111 INFO L226 Difference]: Without dead ends: 21153 [2025-03-08 06:17:15,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 06:17:15,126 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 786 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:15,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [786 Valid, 629 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 06:17:15,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21153 states. [2025-03-08 06:17:15,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21153 to 18276. [2025-03-08 06:17:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18276 states, 18275 states have (on average 1.262544459644323) internal successors, (23073), 18275 states have internal predecessors, (23073), 0 states have call successors, (0), 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 06:17:15,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18276 states to 18276 states and 23073 transitions. [2025-03-08 06:17:15,285 INFO L78 Accepts]: Start accepts. Automaton has 18276 states and 23073 transitions. Word has length 97 [2025-03-08 06:17:15,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:15,286 INFO L471 AbstractCegarLoop]: Abstraction has 18276 states and 23073 transitions. [2025-03-08 06:17:15,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:17:15,286 INFO L276 IsEmpty]: Start isEmpty. Operand 18276 states and 23073 transitions. [2025-03-08 06:17:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-08 06:17:15,289 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:15,290 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:15,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-08 06:17:15,290 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:15,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:15,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1043155979, now seen corresponding path program 1 times [2025-03-08 06:17:15,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:15,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515908412] [2025-03-08 06:17:15,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:15,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:15,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-08 06:17:15,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-08 06:17:15,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:15,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-08 06:17:15,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:15,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515908412] [2025-03-08 06:17:15,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515908412] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:17:15,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:17:15,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:17:15,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405202939] [2025-03-08 06:17:15,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:17:15,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:17:15,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:15,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:17:15,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:17:15,331 INFO L87 Difference]: Start difference. First operand 18276 states and 23073 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 06:17:15,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:15,440 INFO L93 Difference]: Finished difference Result 25944 states and 32743 transitions. [2025-03-08 06:17:15,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:17:15,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 99 [2025-03-08 06:17:15,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:15,453 INFO L225 Difference]: With dead ends: 25944 [2025-03-08 06:17:15,456 INFO L226 Difference]: Without dead ends: 14399 [2025-03-08 06:17:15,467 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 06:17:15,469 INFO L435 NwaCegarLoop]: 458 mSDtfsCounter, 154 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:15,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 760 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 06:17:15,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14399 states. [2025-03-08 06:17:15,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14399 to 14368. [2025-03-08 06:17:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14368 states, 14367 states have (on average 1.2515486879654765) internal successors, (17981), 14367 states have internal predecessors, (17981), 0 states have call successors, (0), 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 06:17:15,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14368 states to 14368 states and 17981 transitions. [2025-03-08 06:17:15,616 INFO L78 Accepts]: Start accepts. Automaton has 14368 states and 17981 transitions. Word has length 99 [2025-03-08 06:17:15,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:15,616 INFO L471 AbstractCegarLoop]: Abstraction has 14368 states and 17981 transitions. [2025-03-08 06:17:15,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 06:17:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 14368 states and 17981 transitions. [2025-03-08 06:17:15,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-08 06:17:15,621 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:15,621 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:15,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-08 06:17:15,622 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:15,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:15,622 INFO L85 PathProgramCache]: Analyzing trace with hash -134413735, now seen corresponding path program 1 times [2025-03-08 06:17:15,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:15,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368398422] [2025-03-08 06:17:15,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:15,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:15,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 06:17:15,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 06:17:15,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:15,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:15,753 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:15,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:15,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368398422] [2025-03-08 06:17:15,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368398422] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 06:17:15,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976881189] [2025-03-08 06:17:15,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:15,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:17:15,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:17:15,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 06:17:15,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 06:17:16,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 06:17:16,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 06:17:16,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:16,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:16,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 06:17:16,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 06:17:16,386 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:16,386 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 06:17:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:16,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976881189] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 06:17:16,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 06:17:16,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2025-03-08 06:17:16,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660105547] [2025-03-08 06:17:16,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 06:17:16,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-08 06:17:16,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:16,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-08 06:17:16,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2025-03-08 06:17:16,526 INFO L87 Difference]: Start difference. First operand 14368 states and 17981 transitions. Second operand has 14 states, 14 states have (on average 19.857142857142858) internal successors, (278), 14 states have internal predecessors, (278), 0 states have call successors, (0), 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 06:17:16,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:16,906 INFO L93 Difference]: Finished difference Result 43471 states and 54333 transitions. [2025-03-08 06:17:16,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 06:17:16,907 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 19.857142857142858) internal successors, (278), 14 states have internal predecessors, (278), 0 states have call successors, (0), 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 102 [2025-03-08 06:17:16,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:16,938 INFO L225 Difference]: With dead ends: 43471 [2025-03-08 06:17:16,938 INFO L226 Difference]: Without dead ends: 29591 [2025-03-08 06:17:16,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2025-03-08 06:17:16,953 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 3333 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3333 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:16,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3333 Valid, 1073 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:17:16,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29591 states. [2025-03-08 06:17:17,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29591 to 21416. [2025-03-08 06:17:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21416 states, 21415 states have (on average 1.2353957506420734) internal successors, (26456), 21415 states have internal predecessors, (26456), 0 states have call successors, (0), 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 06:17:17,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21416 states to 21416 states and 26456 transitions. [2025-03-08 06:17:17,161 INFO L78 Accepts]: Start accepts. Automaton has 21416 states and 26456 transitions. Word has length 102 [2025-03-08 06:17:17,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:17,161 INFO L471 AbstractCegarLoop]: Abstraction has 21416 states and 26456 transitions. [2025-03-08 06:17:17,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 19.857142857142858) internal successors, (278), 14 states have internal predecessors, (278), 0 states have call successors, (0), 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 06:17:17,161 INFO L276 IsEmpty]: Start isEmpty. Operand 21416 states and 26456 transitions. [2025-03-08 06:17:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-08 06:17:17,167 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:17,167 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:17,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 06:17:17,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:17:17,368 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:17,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:17,368 INFO L85 PathProgramCache]: Analyzing trace with hash 74939902, now seen corresponding path program 1 times [2025-03-08 06:17:17,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:17,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450852767] [2025-03-08 06:17:17,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:17,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:17,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-08 06:17:17,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-08 06:17:17,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:17,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:17,488 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-08 06:17:17,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:17,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450852767] [2025-03-08 06:17:17,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450852767] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:17:17,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:17:17,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:17:17,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658683907] [2025-03-08 06:17:17,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:17:17,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:17:17,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:17,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:17:17,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:17:17,490 INFO L87 Difference]: Start difference. First operand 21416 states and 26456 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 06:17:17,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:17,592 INFO L93 Difference]: Finished difference Result 47899 states and 58861 transitions. [2025-03-08 06:17:17,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:17:17,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 06:17:17,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:17,618 INFO L225 Difference]: With dead ends: 47899 [2025-03-08 06:17:17,618 INFO L226 Difference]: Without dead ends: 26961 [2025-03-08 06:17:17,633 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 06:17:17,634 INFO L435 NwaCegarLoop]: 465 mSDtfsCounter, 229 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:17,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 681 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:17:17,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26961 states. [2025-03-08 06:17:17,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26961 to 23366. [2025-03-08 06:17:17,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23366 states, 23365 states have (on average 1.204964690776803) internal successors, (28154), 23365 states have internal predecessors, (28154), 0 states have call successors, (0), 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 06:17:17,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23366 states to 23366 states and 28154 transitions. [2025-03-08 06:17:17,907 INFO L78 Accepts]: Start accepts. Automaton has 23366 states and 28154 transitions. Word has length 103 [2025-03-08 06:17:17,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:17,907 INFO L471 AbstractCegarLoop]: Abstraction has 23366 states and 28154 transitions. [2025-03-08 06:17:17,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 06:17:17,907 INFO L276 IsEmpty]: Start isEmpty. Operand 23366 states and 28154 transitions. [2025-03-08 06:17:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-08 06:17:17,912 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:17,913 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:17,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-03-08 06:17:17,913 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:17,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:17,913 INFO L85 PathProgramCache]: Analyzing trace with hash -328150428, now seen corresponding path program 1 times [2025-03-08 06:17:17,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:17,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278658861] [2025-03-08 06:17:17,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:17,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:17,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-08 06:17:17,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-08 06:17:17,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:17,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:18,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:18,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278658861] [2025-03-08 06:17:18,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278658861] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 06:17:18,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941016393] [2025-03-08 06:17:18,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:18,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:17:18,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:17:18,162 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 06:17:18,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 06:17:18,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-08 06:17:18,396 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-08 06:17:18,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:18,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:18,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-08 06:17:18,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 06:17:19,072 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:19,072 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 06:17:19,795 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:19,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941016393] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 06:17:19,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 06:17:19,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 15] total 34 [2025-03-08 06:17:19,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614302993] [2025-03-08 06:17:19,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 06:17:19,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-03-08 06:17:19,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:19,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-03-08 06:17:19,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1043, Unknown=0, NotChecked=0, Total=1190 [2025-03-08 06:17:19,797 INFO L87 Difference]: Start difference. First operand 23366 states and 28154 transitions. Second operand has 35 states, 35 states have (on average 8.285714285714286) internal successors, (290), 34 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:17:28,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:28,160 INFO L93 Difference]: Finished difference Result 142129 states and 170414 transitions. [2025-03-08 06:17:28,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2025-03-08 06:17:28,161 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 8.285714285714286) internal successors, (290), 34 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2025-03-08 06:17:28,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:28,327 INFO L225 Difference]: With dead ends: 142129 [2025-03-08 06:17:28,327 INFO L226 Difference]: Without dead ends: 130256 [2025-03-08 06:17:28,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15797 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=6467, Invalid=37005, Unknown=0, NotChecked=0, Total=43472 [2025-03-08 06:17:28,372 INFO L435 NwaCegarLoop]: 456 mSDtfsCounter, 7595 mSDsluCounter, 8323 mSDsCounter, 0 mSdLazyCounter, 8447 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7595 SdHoareTripleChecker+Valid, 8779 SdHoareTripleChecker+Invalid, 8613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 8447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:28,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7595 Valid, 8779 Invalid, 8613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 8447 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-08 06:17:28,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130256 states. [2025-03-08 06:17:29,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130256 to 34011. [2025-03-08 06:17:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34011 states, 34010 states have (on average 1.2036753895912966) internal successors, (40937), 34010 states have internal predecessors, (40937), 0 states have call successors, (0), 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 06:17:29,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34011 states to 34011 states and 40937 transitions. [2025-03-08 06:17:29,107 INFO L78 Accepts]: Start accepts. Automaton has 34011 states and 40937 transitions. Word has length 106 [2025-03-08 06:17:29,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:29,107 INFO L471 AbstractCegarLoop]: Abstraction has 34011 states and 40937 transitions. [2025-03-08 06:17:29,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 8.285714285714286) internal successors, (290), 34 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:17:29,108 INFO L276 IsEmpty]: Start isEmpty. Operand 34011 states and 40937 transitions. [2025-03-08 06:17:29,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-08 06:17:29,114 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:29,114 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:29,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-08 06:17:29,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:17:29,314 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:29,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:29,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1935456158, now seen corresponding path program 1 times [2025-03-08 06:17:29,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:29,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90716062] [2025-03-08 06:17:29,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:29,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:29,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-08 06:17:29,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-08 06:17:29,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:29,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-08 06:17:29,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:29,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90716062] [2025-03-08 06:17:29,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90716062] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:17:29,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:17:29,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 06:17:29,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788595532] [2025-03-08 06:17:29,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:17:29,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 06:17:29,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:29,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 06:17:29,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-08 06:17:29,477 INFO L87 Difference]: Start difference. First operand 34011 states and 40937 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:17:29,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:29,819 INFO L93 Difference]: Finished difference Result 39863 states and 48020 transitions. [2025-03-08 06:17:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 06:17:29,819 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 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 107 [2025-03-08 06:17:29,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:29,857 INFO L225 Difference]: With dead ends: 39863 [2025-03-08 06:17:29,857 INFO L226 Difference]: Without dead ends: 34128 [2025-03-08 06:17:29,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2025-03-08 06:17:29,870 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 1450 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1450 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:29,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1450 Valid, 796 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 06:17:29,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34128 states. [2025-03-08 06:17:30,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34128 to 34011. [2025-03-08 06:17:30,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34011 states, 34010 states have (on average 1.2036459864745663) internal successors, (40936), 34010 states have internal predecessors, (40936), 0 states have call successors, (0), 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 06:17:30,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34011 states to 34011 states and 40936 transitions. [2025-03-08 06:17:30,229 INFO L78 Accepts]: Start accepts. Automaton has 34011 states and 40936 transitions. Word has length 107 [2025-03-08 06:17:30,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:30,229 INFO L471 AbstractCegarLoop]: Abstraction has 34011 states and 40936 transitions. [2025-03-08 06:17:30,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:17:30,229 INFO L276 IsEmpty]: Start isEmpty. Operand 34011 states and 40936 transitions. [2025-03-08 06:17:30,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-08 06:17:30,236 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:30,236 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:30,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-08 06:17:30,236 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:30,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:30,237 INFO L85 PathProgramCache]: Analyzing trace with hash -534031494, now seen corresponding path program 1 times [2025-03-08 06:17:30,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:30,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121615966] [2025-03-08 06:17:30,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:30,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:30,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-08 06:17:30,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-08 06:17:30,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:30,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:30,448 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:30,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:30,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121615966] [2025-03-08 06:17:30,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121615966] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 06:17:30,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199573116] [2025-03-08 06:17:30,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:30,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:17:30,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:17:30,451 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 06:17:30,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 06:17:30,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-08 06:17:30,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-08 06:17:30,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:30,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:30,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-08 06:17:30,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 06:17:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:31,247 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 06:17:31,573 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:31,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199573116] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 06:17:31,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 06:17:31,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 23 [2025-03-08 06:17:31,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883879591] [2025-03-08 06:17:31,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 06:17:31,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-08 06:17:31,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:31,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-08 06:17:31,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2025-03-08 06:17:31,575 INFO L87 Difference]: Start difference. First operand 34011 states and 40936 transitions. Second operand has 23 states, 23 states have (on average 11.173913043478262) internal successors, (257), 23 states have internal predecessors, (257), 0 states have call successors, (0), 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 06:17:33,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:33,571 INFO L93 Difference]: Finished difference Result 149520 states and 180295 transitions. [2025-03-08 06:17:33,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-08 06:17:33,571 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 11.173913043478262) internal successors, (257), 23 states have internal predecessors, (257), 0 states have call successors, (0), 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 108 [2025-03-08 06:17:33,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:33,718 INFO L225 Difference]: With dead ends: 149520 [2025-03-08 06:17:33,719 INFO L226 Difference]: Without dead ends: 119141 [2025-03-08 06:17:33,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=682, Invalid=2398, Unknown=0, NotChecked=0, Total=3080 [2025-03-08 06:17:33,764 INFO L435 NwaCegarLoop]: 361 mSDtfsCounter, 4147 mSDsluCounter, 3327 mSDsCounter, 0 mSdLazyCounter, 3002 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4147 SdHoareTripleChecker+Valid, 3688 SdHoareTripleChecker+Invalid, 3071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:33,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4147 Valid, 3688 Invalid, 3071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 3002 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-08 06:17:33,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119141 states. [2025-03-08 06:17:34,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119141 to 34671. [2025-03-08 06:17:34,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34671 states, 34670 states have (on average 1.202307470435535) internal successors, (41684), 34670 states have internal predecessors, (41684), 0 states have call successors, (0), 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 06:17:34,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34671 states to 34671 states and 41684 transitions. [2025-03-08 06:17:34,429 INFO L78 Accepts]: Start accepts. Automaton has 34671 states and 41684 transitions. Word has length 108 [2025-03-08 06:17:34,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:34,429 INFO L471 AbstractCegarLoop]: Abstraction has 34671 states and 41684 transitions. [2025-03-08 06:17:34,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 11.173913043478262) internal successors, (257), 23 states have internal predecessors, (257), 0 states have call successors, (0), 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 06:17:34,430 INFO L276 IsEmpty]: Start isEmpty. Operand 34671 states and 41684 transitions. [2025-03-08 06:17:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-08 06:17:34,436 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:34,436 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:34,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-08 06:17:34,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-03-08 06:17:34,637 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:34,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:34,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1564037483, now seen corresponding path program 1 times [2025-03-08 06:17:34,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:34,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057474526] [2025-03-08 06:17:34,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:34,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:34,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-08 06:17:34,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-08 06:17:34,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:34,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:34,681 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:34,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:34,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057474526] [2025-03-08 06:17:34,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057474526] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:17:34,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:17:34,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:17:34,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811985612] [2025-03-08 06:17:34,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:17:34,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:17:34,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:34,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:17:34,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:17:34,682 INFO L87 Difference]: Start difference. First operand 34671 states and 41684 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 06:17:34,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:34,782 INFO L93 Difference]: Finished difference Result 48784 states and 58634 transitions. [2025-03-08 06:17:34,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:17:34,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2025-03-08 06:17:34,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:34,821 INFO L225 Difference]: With dead ends: 48784 [2025-03-08 06:17:34,822 INFO L226 Difference]: Without dead ends: 37033 [2025-03-08 06:17:34,839 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 06:17:34,839 INFO L435 NwaCegarLoop]: 515 mSDtfsCounter, 79 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:34,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 897 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:17:34,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37033 states. [2025-03-08 06:17:35,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37033 to 36916. [2025-03-08 06:17:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36916 states, 36915 states have (on average 1.2000812677773263) internal successors, (44301), 36915 states have internal predecessors, (44301), 0 states have call successors, (0), 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 06:17:35,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36916 states to 36916 states and 44301 transitions. [2025-03-08 06:17:35,151 INFO L78 Accepts]: Start accepts. Automaton has 36916 states and 44301 transitions. Word has length 108 [2025-03-08 06:17:35,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:35,151 INFO L471 AbstractCegarLoop]: Abstraction has 36916 states and 44301 transitions. [2025-03-08 06:17:35,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 06:17:35,151 INFO L276 IsEmpty]: Start isEmpty. Operand 36916 states and 44301 transitions. [2025-03-08 06:17:35,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-08 06:17:35,158 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:35,158 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:35,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-08 06:17:35,158 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:35,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:35,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1719878346, now seen corresponding path program 1 times [2025-03-08 06:17:35,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:35,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071622338] [2025-03-08 06:17:35,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:35,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:35,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-08 06:17:35,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-08 06:17:35,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:35,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:35,401 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-08 06:17:35,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:35,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071622338] [2025-03-08 06:17:35,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071622338] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:17:35,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:17:35,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 06:17:35,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140059905] [2025-03-08 06:17:35,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:17:35,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 06:17:35,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:35,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 06:17:35,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:17:35,403 INFO L87 Difference]: Start difference. First operand 36916 states and 44301 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 06:17:35,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:35,984 INFO L93 Difference]: Finished difference Result 81420 states and 97528 transitions. [2025-03-08 06:17:35,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 06:17:35,985 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 108 [2025-03-08 06:17:35,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:36,058 INFO L225 Difference]: With dead ends: 81420 [2025-03-08 06:17:36,058 INFO L226 Difference]: Without dead ends: 71283 [2025-03-08 06:17:36,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2025-03-08 06:17:36,083 INFO L435 NwaCegarLoop]: 332 mSDtfsCounter, 2292 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2292 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:36,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2292 Valid, 1353 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1109 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 06:17:36,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71283 states. [2025-03-08 06:17:36,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71283 to 36916. [2025-03-08 06:17:36,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36916 states, 36915 states have (on average 1.2000541785182175) internal successors, (44300), 36915 states have internal predecessors, (44300), 0 states have call successors, (0), 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 06:17:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36916 states to 36916 states and 44300 transitions. [2025-03-08 06:17:36,538 INFO L78 Accepts]: Start accepts. Automaton has 36916 states and 44300 transitions. Word has length 108 [2025-03-08 06:17:36,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:36,538 INFO L471 AbstractCegarLoop]: Abstraction has 36916 states and 44300 transitions. [2025-03-08 06:17:36,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 06:17:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand 36916 states and 44300 transitions. [2025-03-08 06:17:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-08 06:17:36,544 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:36,545 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:36,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-03-08 06:17:36,545 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:36,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:36,545 INFO L85 PathProgramCache]: Analyzing trace with hash -53157333, now seen corresponding path program 1 times [2025-03-08 06:17:36,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:36,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832062987] [2025-03-08 06:17:36,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:36,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:36,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-08 06:17:36,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-08 06:17:36,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:36,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-08 06:17:36,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:36,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832062987] [2025-03-08 06:17:36,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832062987] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:17:36,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:17:36,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:17:36,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142465648] [2025-03-08 06:17:36,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:17:36,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:17:36,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:36,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:17:36,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:17:36,584 INFO L87 Difference]: Start difference. First operand 36916 states and 44300 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 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 06:17:36,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:36,781 INFO L93 Difference]: Finished difference Result 74778 states and 90358 transitions. [2025-03-08 06:17:36,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:17:36,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 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 108 [2025-03-08 06:17:36,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:36,823 INFO L225 Difference]: With dead ends: 74778 [2025-03-08 06:17:36,824 INFO L226 Difference]: Without dead ends: 42163 [2025-03-08 06:17:36,846 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 06:17:36,846 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 340 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:36,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 341 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 06:17:36,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42163 states. [2025-03-08 06:17:37,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42163 to 35876. [2025-03-08 06:17:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35876 states, 35875 states have (on average 1.181212543554007) internal successors, (42376), 35875 states have internal predecessors, (42376), 0 states have call successors, (0), 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 06:17:37,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35876 states to 35876 states and 42376 transitions. [2025-03-08 06:17:37,165 INFO L78 Accepts]: Start accepts. Automaton has 35876 states and 42376 transitions. Word has length 108 [2025-03-08 06:17:37,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:37,165 INFO L471 AbstractCegarLoop]: Abstraction has 35876 states and 42376 transitions. [2025-03-08 06:17:37,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 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 06:17:37,166 INFO L276 IsEmpty]: Start isEmpty. Operand 35876 states and 42376 transitions. [2025-03-08 06:17:37,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-08 06:17:37,172 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:37,172 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:37,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-03-08 06:17:37,172 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:37,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:37,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1768932342, now seen corresponding path program 1 times [2025-03-08 06:17:37,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:37,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648743043] [2025-03-08 06:17:37,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:37,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:37,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-08 06:17:37,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-08 06:17:37,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:37,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:37,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:37,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648743043] [2025-03-08 06:17:37,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648743043] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:17:37,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:17:37,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:17:37,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178541240] [2025-03-08 06:17:37,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:17:37,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:17:37,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:37,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:17:37,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:17:37,214 INFO L87 Difference]: Start difference. First operand 35876 states and 42376 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:17:37,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:37,323 INFO L93 Difference]: Finished difference Result 53998 states and 63706 transitions. [2025-03-08 06:17:37,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:17:37,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2025-03-08 06:17:37,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:37,374 INFO L225 Difference]: With dead ends: 53998 [2025-03-08 06:17:37,374 INFO L226 Difference]: Without dead ends: 42761 [2025-03-08 06:17:37,391 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 06:17:37,392 INFO L435 NwaCegarLoop]: 520 mSDtfsCounter, 109 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:37,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 893 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:17:37,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42761 states. [2025-03-08 06:17:37,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42761 to 38009. [2025-03-08 06:17:37,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38009 states, 38008 states have (on average 1.1755156809092822) internal successors, (44679), 38008 states have internal predecessors, (44679), 0 states have call successors, (0), 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 06:17:37,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38009 states to 38009 states and 44679 transitions. [2025-03-08 06:17:37,783 INFO L78 Accepts]: Start accepts. Automaton has 38009 states and 44679 transitions. Word has length 109 [2025-03-08 06:17:37,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:37,783 INFO L471 AbstractCegarLoop]: Abstraction has 38009 states and 44679 transitions. [2025-03-08 06:17:37,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:17:37,783 INFO L276 IsEmpty]: Start isEmpty. Operand 38009 states and 44679 transitions. [2025-03-08 06:17:37,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-08 06:17:37,790 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:37,790 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:37,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-03-08 06:17:37,791 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:37,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:37,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1402228321, now seen corresponding path program 1 times [2025-03-08 06:17:37,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:37,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151146847] [2025-03-08 06:17:37,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:37,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:37,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-08 06:17:37,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-08 06:17:37,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:37,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:38,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:38,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151146847] [2025-03-08 06:17:38,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151146847] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 06:17:38,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144105623] [2025-03-08 06:17:38,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:38,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:17:38,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:17:38,402 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 06:17:38,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-08 06:17:38,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-08 06:17:38,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-08 06:17:38,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:38,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:38,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-08 06:17:38,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 06:17:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:39,169 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 06:17:39,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144105623] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:17:39,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 06:17:39,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [20] total 32 [2025-03-08 06:17:39,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393136095] [2025-03-08 06:17:39,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:17:39,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-08 06:17:39,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:39,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-08 06:17:39,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2025-03-08 06:17:39,170 INFO L87 Difference]: Start difference. First operand 38009 states and 44679 transitions. Second operand has 14 states, 14 states have (on average 7.785714285714286) internal successors, (109), 14 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:17:39,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:39,888 INFO L93 Difference]: Finished difference Result 74541 states and 87835 transitions. [2025-03-08 06:17:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-08 06:17:39,888 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.785714285714286) internal successors, (109), 14 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2025-03-08 06:17:39,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:39,965 INFO L225 Difference]: With dead ends: 74541 [2025-03-08 06:17:39,965 INFO L226 Difference]: Without dead ends: 71783 [2025-03-08 06:17:39,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=249, Invalid=1821, Unknown=0, NotChecked=0, Total=2070 [2025-03-08 06:17:39,986 INFO L435 NwaCegarLoop]: 481 mSDtfsCounter, 2261 mSDsluCounter, 3852 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2261 SdHoareTripleChecker+Valid, 4333 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:39,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2261 Valid, 4333 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 06:17:40,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71783 states. [2025-03-08 06:17:40,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71783 to 39397. [2025-03-08 06:17:40,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39397 states, 39396 states have (on average 1.1755762006295056) internal successors, (46313), 39396 states have internal predecessors, (46313), 0 states have call successors, (0), 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 06:17:40,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39397 states to 39397 states and 46313 transitions. [2025-03-08 06:17:40,674 INFO L78 Accepts]: Start accepts. Automaton has 39397 states and 46313 transitions. Word has length 109 [2025-03-08 06:17:40,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:40,674 INFO L471 AbstractCegarLoop]: Abstraction has 39397 states and 46313 transitions. [2025-03-08 06:17:40,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.785714285714286) internal successors, (109), 14 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:17:40,674 INFO L276 IsEmpty]: Start isEmpty. Operand 39397 states and 46313 transitions. [2025-03-08 06:17:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-08 06:17:40,682 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:40,682 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:40,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-08 06:17:40,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:17:40,883 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:40,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:40,884 INFO L85 PathProgramCache]: Analyzing trace with hash -841489096, now seen corresponding path program 1 times [2025-03-08 06:17:40,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:40,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204404615] [2025-03-08 06:17:40,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:40,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:40,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-08 06:17:40,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-08 06:17:40,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:40,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:41,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:41,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204404615] [2025-03-08 06:17:41,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204404615] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 06:17:41,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086184619] [2025-03-08 06:17:41,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:41,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:17:41,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:17:41,660 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 06:17:41,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-08 06:17:41,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-08 06:17:41,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-08 06:17:41,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:41,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:41,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-08 06:17:41,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 06:17:42,694 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:42,694 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 06:17:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:43,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086184619] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 06:17:43,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 06:17:43,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 14, 13] total 39 [2025-03-08 06:17:43,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448802715] [2025-03-08 06:17:43,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 06:17:43,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-03-08 06:17:43,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:43,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-03-08 06:17:43,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1353, Unknown=0, NotChecked=0, Total=1482 [2025-03-08 06:17:43,111 INFO L87 Difference]: Start difference. First operand 39397 states and 46313 transitions. Second operand has 39 states, 39 states have (on average 7.076923076923077) internal successors, (276), 39 states have internal predecessors, (276), 0 states have call successors, (0), 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 06:17:47,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:47,626 INFO L93 Difference]: Finished difference Result 98645 states and 116107 transitions. [2025-03-08 06:17:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-08 06:17:47,626 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 7.076923076923077) internal successors, (276), 39 states have internal predecessors, (276), 0 states have call successors, (0), 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 109 [2025-03-08 06:17:47,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:47,729 INFO L225 Difference]: With dead ends: 98645 [2025-03-08 06:17:47,729 INFO L226 Difference]: Without dead ends: 93523 [2025-03-08 06:17:47,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 199 SyntacticMatches, 2 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3538 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1955, Invalid=10927, Unknown=0, NotChecked=0, Total=12882 [2025-03-08 06:17:47,760 INFO L435 NwaCegarLoop]: 653 mSDtfsCounter, 4902 mSDsluCounter, 15459 mSDsCounter, 0 mSdLazyCounter, 4616 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4902 SdHoareTripleChecker+Valid, 16112 SdHoareTripleChecker+Invalid, 4679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 4616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:47,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4902 Valid, 16112 Invalid, 4679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 4616 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-08 06:17:47,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93523 states. [2025-03-08 06:17:48,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93523 to 39531. [2025-03-08 06:17:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39531 states, 39530 states have (on average 1.175309891221857) internal successors, (46460), 39530 states have internal predecessors, (46460), 0 states have call successors, (0), 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 06:17:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39531 states to 39531 states and 46460 transitions. [2025-03-08 06:17:48,545 INFO L78 Accepts]: Start accepts. Automaton has 39531 states and 46460 transitions. Word has length 109 [2025-03-08 06:17:48,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:48,545 INFO L471 AbstractCegarLoop]: Abstraction has 39531 states and 46460 transitions. [2025-03-08 06:17:48,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 7.076923076923077) internal successors, (276), 39 states have internal predecessors, (276), 0 states have call successors, (0), 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 06:17:48,545 INFO L276 IsEmpty]: Start isEmpty. Operand 39531 states and 46460 transitions. [2025-03-08 06:17:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-08 06:17:48,551 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:48,551 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:48,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-08 06:17:48,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:17:48,751 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:48,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:48,752 INFO L85 PathProgramCache]: Analyzing trace with hash -561323391, now seen corresponding path program 1 times [2025-03-08 06:17:48,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:48,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014818088] [2025-03-08 06:17:48,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:48,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:48,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-08 06:17:48,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-08 06:17:48,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:48,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:48,828 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-08 06:17:48,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:48,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014818088] [2025-03-08 06:17:48,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014818088] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:17:48,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:17:48,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:17:48,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71392403] [2025-03-08 06:17:48,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:17:48,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:17:48,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:48,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:17:48,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:17:48,829 INFO L87 Difference]: Start difference. First operand 39531 states and 46460 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:17:48,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:48,980 INFO L93 Difference]: Finished difference Result 82203 states and 97080 transitions. [2025-03-08 06:17:48,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:17:48,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 109 [2025-03-08 06:17:48,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:49,042 INFO L225 Difference]: With dead ends: 82203 [2025-03-08 06:17:49,042 INFO L226 Difference]: Without dead ends: 53992 [2025-03-08 06:17:49,069 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 06:17:49,069 INFO L435 NwaCegarLoop]: 460 mSDtfsCounter, 232 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:49,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 655 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:17:49,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53992 states. [2025-03-08 06:17:49,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53992 to 51666. [2025-03-08 06:17:49,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51666 states, 51665 states have (on average 1.1735410819703862) internal successors, (60631), 51665 states have internal predecessors, (60631), 0 states have call successors, (0), 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 06:17:49,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51666 states to 51666 states and 60631 transitions. [2025-03-08 06:17:49,537 INFO L78 Accepts]: Start accepts. Automaton has 51666 states and 60631 transitions. Word has length 109 [2025-03-08 06:17:49,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:49,537 INFO L471 AbstractCegarLoop]: Abstraction has 51666 states and 60631 transitions. [2025-03-08 06:17:49,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:17:49,537 INFO L276 IsEmpty]: Start isEmpty. Operand 51666 states and 60631 transitions. [2025-03-08 06:17:49,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-08 06:17:49,542 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:49,543 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:49,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2025-03-08 06:17:49,543 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:49,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:49,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1261182363, now seen corresponding path program 1 times [2025-03-08 06:17:49,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:49,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169115904] [2025-03-08 06:17:49,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:49,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:49,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-08 06:17:49,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-08 06:17:49,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:49,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:50,027 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:50,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:50,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169115904] [2025-03-08 06:17:50,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169115904] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 06:17:50,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596478507] [2025-03-08 06:17:50,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:50,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:17:50,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:17:50,030 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 06:17:50,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-08 06:17:50,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-08 06:17:50,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-08 06:17:50,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:50,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:50,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-08 06:17:50,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 06:17:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:50,789 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 06:17:50,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596478507] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:17:50,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 06:17:50,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 24 [2025-03-08 06:17:50,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959692270] [2025-03-08 06:17:50,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:17:50,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-08 06:17:50,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:50,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-08 06:17:50,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2025-03-08 06:17:50,790 INFO L87 Difference]: Start difference. First operand 51666 states and 60631 transitions. Second operand has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:17:51,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:51,617 INFO L93 Difference]: Finished difference Result 106265 states and 124620 transitions. [2025-03-08 06:17:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-08 06:17:51,617 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2025-03-08 06:17:51,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:51,710 INFO L225 Difference]: With dead ends: 106265 [2025-03-08 06:17:51,710 INFO L226 Difference]: Without dead ends: 97670 [2025-03-08 06:17:51,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=233, Invalid=1489, Unknown=0, NotChecked=0, Total=1722 [2025-03-08 06:17:51,737 INFO L435 NwaCegarLoop]: 476 mSDtfsCounter, 1871 mSDsluCounter, 3689 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1871 SdHoareTripleChecker+Valid, 4165 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:51,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1871 Valid, 4165 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:17:51,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97670 states. [2025-03-08 06:17:52,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97670 to 54596. [2025-03-08 06:17:52,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54596 states, 54595 states have (on average 1.1717373385841194) internal successors, (63971), 54595 states have internal predecessors, (63971), 0 states have call successors, (0), 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 06:17:52,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54596 states to 54596 states and 63971 transitions. [2025-03-08 06:17:52,463 INFO L78 Accepts]: Start accepts. Automaton has 54596 states and 63971 transitions. Word has length 110 [2025-03-08 06:17:52,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:17:52,463 INFO L471 AbstractCegarLoop]: Abstraction has 54596 states and 63971 transitions. [2025-03-08 06:17:52,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:17:52,463 INFO L276 IsEmpty]: Start isEmpty. Operand 54596 states and 63971 transitions. [2025-03-08 06:17:52,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-08 06:17:52,469 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:17:52,470 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 06:17:52,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-08 06:17:52,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2025-03-08 06:17:52,670 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-03-08 06:17:52,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:17:52,671 INFO L85 PathProgramCache]: Analyzing trace with hash 338452450, now seen corresponding path program 1 times [2025-03-08 06:17:52,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:17:52,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137442921] [2025-03-08 06:17:52,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:17:52,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:17:52,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-08 06:17:52,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-08 06:17:52,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:17:52,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:17:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 06:17:52,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:17:52,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137442921] [2025-03-08 06:17:52,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137442921] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:17:52,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:17:52,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 06:17:52,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526925650] [2025-03-08 06:17:52,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:17:52,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 06:17:52,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:17:52,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 06:17:52,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 06:17:52,733 INFO L87 Difference]: Start difference. First operand 54596 states and 63971 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 06:17:52,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:17:52,911 INFO L93 Difference]: Finished difference Result 92446 states and 108214 transitions. [2025-03-08 06:17:52,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 06:17:52,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2025-03-08 06:17:52,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:17:52,956 INFO L225 Difference]: With dead ends: 92446 [2025-03-08 06:17:52,956 INFO L226 Difference]: Without dead ends: 39047 [2025-03-08 06:17:52,985 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 06:17:52,985 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 152 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:17:52,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 680 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:17:53,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39047 states. [2025-03-08 06:17:53,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39047 to 37452.