./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d7923672572112c1e23e765d37ba0d9265e37954a51bbbf4393296aaafd9ce3e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:53:29,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:53:29,450 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:53:29,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:53:29,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:53:29,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:53:29,488 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:53:29,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:53:29,489 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:53:29,490 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:53:29,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:53:29,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:53:29,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:53:29,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:53:29,494 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:53:29,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:53:29,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:53:29,495 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:53:29,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:53:29,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:53:29,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:53:29,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:53:29,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:53:29,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:53:29,509 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:53:29,509 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:53:29,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:53:29,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:53:29,510 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:53:29,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:53:29,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:53:29,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:53:29,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:53:29,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:53:29,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:53:29,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:53:29,511 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:53:29,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:53:29,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:53:29,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:53:29,512 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:53:29,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:53:29,514 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7923672572112c1e23e765d37ba0d9265e37954a51bbbf4393296aaafd9ce3e [2024-11-09 23:53:29,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:53:29,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:53:29,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:53:29,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:53:29,821 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:53:29,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-09 23:53:31,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:53:31,567 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:53:31,568 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-09 23:53:31,603 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304beb643/fb1a6a5030a44d09afe6a94e2419f47f/FLAGa056af47d [2024-11-09 23:53:31,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304beb643/fb1a6a5030a44d09afe6a94e2419f47f [2024-11-09 23:53:31,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:53:31,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:53:31,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:53:31,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:53:31,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:53:31,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:53:31" (1/1) ... [2024-11-09 23:53:31,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a8e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:31, skipping insertion in model container [2024-11-09 23:53:31,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:53:31" (1/1) ... [2024-11-09 23:53:31,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:53:32,050 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[9988,10001] [2024-11-09 23:53:32,136 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24517,24530] [2024-11-09 23:53:32,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:53:32,339 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:53:32,387 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[9988,10001] [2024-11-09 23:53:32,429 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24517,24530] [2024-11-09 23:53:32,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:53:32,563 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:53:32,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32 WrapperNode [2024-11-09 23:53:32,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:53:32,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:53:32,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:53:32,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:53:32,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32" (1/1) ... [2024-11-09 23:53:32,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32" (1/1) ... [2024-11-09 23:53:32,750 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3648 [2024-11-09 23:53:32,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:53:32,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:53:32,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:53:32,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:53:32,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32" (1/1) ... [2024-11-09 23:53:32,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32" (1/1) ... [2024-11-09 23:53:32,780 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32" (1/1) ... [2024-11-09 23:53:32,837 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 23:53:32,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32" (1/1) ... [2024-11-09 23:53:32,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32" (1/1) ... [2024-11-09 23:53:32,883 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32" (1/1) ... [2024-11-09 23:53:32,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32" (1/1) ... [2024-11-09 23:53:32,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32" (1/1) ... [2024-11-09 23:53:32,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32" (1/1) ... [2024-11-09 23:53:32,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:53:32,930 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:53:32,930 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:53:32,930 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:53:32,931 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32" (1/1) ... [2024-11-09 23:53:32,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:53:32,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:53:32,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 23:53:32,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 23:53:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:53:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:53:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:53:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:53:33,206 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:53:33,208 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:53:35,277 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3999: havoc main_~node4__m4~21#1;havoc main_~node3____CPAchecker_TMP_0~4#1; [2024-11-09 23:53:35,278 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2546: havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~21#1; [2024-11-09 23:53:35,278 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2546: havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~21#1; [2024-11-09 23:53:35,278 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2943: havoc main_~node4____CPAchecker_TMP_0~7#1; [2024-11-09 23:53:35,278 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1688: havoc main_~node4__m4~8#1; [2024-11-09 23:53:35,278 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5718: havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~58#1; [2024-11-09 23:53:35,279 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5718: havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~58#1; [2024-11-09 23:53:35,279 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1293: havoc main_~check__tmp~8#1;havoc main_~node4__m4~5#1; [2024-11-09 23:53:35,279 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1293: havoc main_~check__tmp~8#1;havoc main_~node4__m4~5#1; [2024-11-09 23:53:35,279 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1293: havoc main_~check__tmp~8#1;havoc main_~node4__m4~5#1; [2024-11-09 23:53:35,279 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1293: havoc main_~check__tmp~8#1;havoc main_~node4__m4~5#1; [2024-11-09 23:53:35,279 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1293: havoc main_~check__tmp~8#1;havoc main_~node4__m4~5#1; [2024-11-09 23:53:35,279 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2218: havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~17#1; [2024-11-09 23:53:35,279 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2218: havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~17#1; [2024-11-09 23:53:35,280 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3011: havoc main_~node4____CPAchecker_TMP_1~7#1; [2024-11-09 23:53:35,280 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1756: havoc main_~check__tmp~13#1; [2024-11-09 23:53:35,280 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3276: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-09 23:53:35,280 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4333: havoc main_~node4____CPAchecker_TMP_0~15#1; [2024-11-09 23:53:35,280 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4994: havoc main_~node4__m4~27#1;havoc main_~node3____CPAchecker_TMP_1~5#1; [2024-11-09 23:53:35,280 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4994: havoc main_~node4__m4~27#1;havoc main_~node3____CPAchecker_TMP_1~5#1; [2024-11-09 23:53:35,280 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3739: havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~35#1; [2024-11-09 23:53:35,280 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3739: havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~35#1; [2024-11-09 23:53:35,280 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: havoc main_~node4____CPAchecker_TMP_0~24#1; [2024-11-09 23:53:35,280 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L371: havoc main_~node3__m3~1#1; [2024-11-09 23:53:35,281 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4401: havoc main_~node4____CPAchecker_TMP_1~15#1; [2024-11-09 23:53:35,281 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5922: havoc main_~node4____CPAchecker_TMP_1~24#1; [2024-11-09 23:53:35,281 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2619: havoc main_~node4____CPAchecker_TMP_0~5#1; [2024-11-09 23:53:35,281 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5526: havoc main_~node4____CPAchecker_TMP_0~22#1; [2024-11-09 23:53:35,281 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5394: havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~54#1; [2024-11-09 23:53:35,281 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5394: havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~54#1; [2024-11-09 23:53:35,283 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-09 23:53:35,283 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-09 23:53:35,283 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5196: havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~52#1; [2024-11-09 23:53:35,283 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5196: havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~52#1; [2024-11-09 23:53:35,283 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L770: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-09 23:53:35,283 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2687: havoc main_~node4____CPAchecker_TMP_1~5#1; [2024-11-09 23:53:35,283 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5594: havoc main_~node4____CPAchecker_TMP_1~22#1; [2024-11-09 23:53:35,284 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4009: havoc main_~node4____CPAchecker_TMP_0~13#1; [2024-11-09 23:53:35,284 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4868: havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~48#1; [2024-11-09 23:53:35,284 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4868: havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~48#1; [2024-11-09 23:53:35,284 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4670: havoc main_~node4__m4~25#1;havoc main_~node3____CPAchecker_TMP_0~5#1; [2024-11-09 23:53:35,284 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3415: havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~31#1; [2024-11-09 23:53:35,284 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3415: havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~31#1; [2024-11-09 23:53:35,285 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3217: havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~29#1; [2024-11-09 23:53:35,286 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3217: havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~29#1; [2024-11-09 23:53:35,286 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4077: havoc main_~node4____CPAchecker_TMP_1~13#1; [2024-11-09 23:53:35,286 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2426: havoc main_~node4__m4~12#1; [2024-11-09 23:53:35,286 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2889: havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~25#1; [2024-11-09 23:53:35,286 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2889: havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~25#1; [2024-11-09 23:53:35,286 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4607: havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~45#1; [2024-11-09 23:53:35,286 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4607: havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~45#1; [2024-11-09 23:53:35,287 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5004: havoc main_~node4____CPAchecker_TMP_0~19#1; [2024-11-09 23:53:35,287 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2098: havoc main_~node4__m4~10#1; [2024-11-09 23:53:35,287 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4279: havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~41#1; [2024-11-09 23:53:35,287 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4279: havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~41#1; [2024-11-09 23:53:35,287 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5072: havoc main_~node4____CPAchecker_TMP_1~19#1; [2024-11-09 23:53:35,287 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L712: havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-09 23:53:35,288 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3619: havoc main_~node4__m4~19#1;havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-09 23:53:35,288 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3619: havoc main_~node4__m4~19#1;havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-09 23:53:35,288 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1439: havoc main_~node4__m4~6#1; [2024-11-09 23:53:35,288 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5337: havoc main_~node3__m3~10#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-09 23:53:35,288 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5800: havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~59#1; [2024-11-09 23:53:35,288 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5800: havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~59#1; [2024-11-09 23:53:35,288 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2300: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~18#1; [2024-11-09 23:53:35,289 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2300: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~18#1; [2024-11-09 23:53:35,289 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821: havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~36#1; [2024-11-09 23:53:35,289 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821: havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~36#1; [2024-11-09 23:53:35,289 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4680: havoc main_~node4____CPAchecker_TMP_0~17#1; [2024-11-09 23:53:35,289 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4748: havoc main_~node4____CPAchecker_TMP_1~17#1; [2024-11-09 23:53:35,289 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2436: havoc main_~node4____CPAchecker_TMP_0~4#1; [2024-11-09 23:53:35,289 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L388: havoc main_~node4__m4~1#1; [2024-11-09 23:53:35,289 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3493: havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~32#1; [2024-11-09 23:53:35,289 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3493: havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~32#1; [2024-11-09 23:53:35,289 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3295: havoc main_~node4__m4~17#1;havoc main_~node3____CPAchecker_TMP_0~3#1; [2024-11-09 23:53:35,290 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3097: havoc main_~node4__m4~16#1; [2024-11-09 23:53:35,290 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~55#1; [2024-11-09 23:53:35,290 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~55#1; [2024-11-09 23:53:35,290 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5278: havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~53#1; [2024-11-09 23:53:35,290 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5278: havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~53#1; [2024-11-09 23:53:35,290 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1182: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~6#1; [2024-11-09 23:53:35,290 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1182: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~6#1; [2024-11-09 23:53:35,290 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1513: havoc main_~check__tmp~10#1; [2024-11-09 23:53:35,290 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2504: havoc main_~node4____CPAchecker_TMP_1~4#1; [2024-11-09 23:53:35,290 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2108: havoc main_~node4____CPAchecker_TMP_0~2#1; [2024-11-09 23:53:35,290 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2769: havoc main_~node4__m4~14#1; [2024-11-09 23:53:35,290 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L457: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:53:35,291 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L457: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:53:35,291 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L457: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:53:35,291 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L457: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:53:35,291 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L457: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:53:35,291 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4487: havoc main_~node4__m4~24#1; [2024-11-09 23:53:35,291 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L986: havoc main_~node4__m4~3#1; [2024-11-09 23:53:35,293 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4950: havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~49#1; [2024-11-09 23:53:35,293 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4950: havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~49#1; [2024-11-09 23:53:35,293 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3629: havoc main_~node4____CPAchecker_TMP_0~11#1; [2024-11-09 23:53:35,293 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2176: havoc main_~node4____CPAchecker_TMP_1~2#1; [2024-11-09 23:53:35,294 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3960: havoc main_~node2__m2~4#1; [2024-11-09 23:53:35,294 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc main_~node3__m3~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-09 23:53:35,294 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4159: havoc main_~node4__m4~22#1; [2024-11-09 23:53:35,294 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3697: havoc main_~node4____CPAchecker_TMP_1~11#1; [2024-11-09 23:53:35,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2971: havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~26#1; [2024-11-09 23:53:35,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2971: havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~26#1; [2024-11-09 23:53:35,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1584: havoc main_~check__tmp~11#1;havoc main_~node4__m4~7#1; [2024-11-09 23:53:35,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1584: havoc main_~check__tmp~11#1;havoc main_~node4__m4~7#1; [2024-11-09 23:53:35,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1584: havoc main_~check__tmp~11#1;havoc main_~node4__m4~7#1; [2024-11-09 23:53:35,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1584: havoc main_~check__tmp~11#1;havoc main_~node4__m4~7#1; [2024-11-09 23:53:35,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1584: havoc main_~check__tmp~11#1;havoc main_~node4__m4~7#1; [2024-11-09 23:53:35,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5680: havoc main_~node4__m4~31#1;havoc main_~node3____CPAchecker_TMP_1~6#1; [2024-11-09 23:53:35,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5680: havoc main_~node4__m4~31#1;havoc main_~node3____CPAchecker_TMP_1~6#1; [2024-11-09 23:53:35,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L330: havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:53:35,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L330: havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:53:35,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4361: havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~42#1; [2024-11-09 23:53:35,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4361: havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~42#1; [2024-11-09 23:53:35,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3305: havoc main_~node4____CPAchecker_TMP_0~9#1; [2024-11-09 23:53:35,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3107: havoc main_~node4____CPAchecker_TMP_0~8#1; [2024-11-09 23:53:35,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L861: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-09 23:53:35,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5882: havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~60#1; [2024-11-09 23:53:35,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5882: havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~60#1; [2024-11-09 23:53:35,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1060: havoc main_~check__tmp~5#1; [2024-11-09 23:53:35,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L598: havoc main_~node4____CPAchecker_TMP_0~1#1; [2024-11-09 23:53:35,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2382: havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~19#1; [2024-11-09 23:53:35,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2382: havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~19#1; [2024-11-09 23:53:35,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3373: havoc main_~node4____CPAchecker_TMP_1~9#1; [2024-11-09 23:53:35,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3175: havoc main_~node4____CPAchecker_TMP_1~8#1; [2024-11-09 23:53:35,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L929: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:53:35,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L929: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:53:35,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2779: havoc main_~node4____CPAchecker_TMP_0~6#1; [2024-11-09 23:53:35,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2647: havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~22#1; [2024-11-09 23:53:35,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2647: havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~22#1; [2024-11-09 23:53:35,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L533: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:53:35,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L533: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:53:35,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L533: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:53:35,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5554: havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~56#1; [2024-11-09 23:53:35,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5554: havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~56#1; [2024-11-09 23:53:35,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4497: havoc main_~node4____CPAchecker_TMP_0~16#1; [2024-11-09 23:53:35,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5356: havoc main_~node4__m4~29#1;havoc main_~node3____CPAchecker_TMP_0~6#1; [2024-11-09 23:53:35,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5158: havoc main_~node4__m4~28#1; [2024-11-09 23:53:35,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L798: havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-09 23:53:35,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3903: havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~37#1; [2024-11-09 23:53:35,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3903: havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~37#1; [2024-11-09 23:53:35,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2847: havoc main_~node4____CPAchecker_TMP_1~6#1; [2024-11-09 23:53:35,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1724: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~12#1; [2024-11-09 23:53:35,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4565: havoc main_~node4____CPAchecker_TMP_1~16#1; [2024-11-09 23:53:35,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4169: havoc main_~node4____CPAchecker_TMP_0~14#1; [2024-11-09 23:53:35,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4037: havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~38#1; [2024-11-09 23:53:35,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4037: havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~38#1; [2024-11-09 23:53:35,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4830: havoc main_~node4__m4~26#1; [2024-11-09 23:53:35,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3575: havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~33#1; [2024-11-09 23:53:35,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3575: havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~33#1; [2024-11-09 23:53:35,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1131: havoc main_~node3__m3~3#1; [2024-11-09 23:53:35,303 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5690: havoc main_~node4____CPAchecker_TMP_0~23#1; [2024-11-09 23:53:35,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4237: havoc main_~node4____CPAchecker_TMP_1~14#1; [2024-11-09 23:53:35,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2058: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~15#1; [2024-11-09 23:53:35,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2058: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~15#1; [2024-11-09 23:53:35,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5758: havoc main_~node4____CPAchecker_TMP_1~23#1; [2024-11-09 23:53:35,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5032: havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~50#1; [2024-11-09 23:53:35,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5032: havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~50#1; [2024-11-09 23:53:35,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc main_~node3__m3~6#1; [2024-11-09 23:53:35,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3053: havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~27#1; [2024-11-09 23:53:35,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3053: havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~27#1; [2024-11-09 23:53:35,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5366: havoc main_~node4____CPAchecker_TMP_0~21#1; [2024-11-09 23:53:35,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5168: havoc main_~node4____CPAchecker_TMP_0~20#1; [2024-11-09 23:53:35,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L280: havoc main_~node4__m4~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-09 23:53:35,304 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2262: havoc main_~node4__m4~11#1;havoc main_~node3____CPAchecker_TMP_1~1#1; [2024-11-09 23:53:35,305 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2262: havoc main_~node4__m4~11#1;havoc main_~node3____CPAchecker_TMP_1~1#1; [2024-11-09 23:53:35,305 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3980: havoc main_~node3__m3~8#1;havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-09 23:53:35,305 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4443: havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~43#1; [2024-11-09 23:53:35,305 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4443: havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~43#1; [2024-11-09 23:53:35,305 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5434: havoc main_~node4____CPAchecker_TMP_1~21#1; [2024-11-09 23:53:35,305 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5236: havoc main_~node4____CPAchecker_TMP_1~20#1; [2024-11-09 23:53:35,305 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: havoc main_~node4__m4~20#1; [2024-11-09 23:53:35,306 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840: havoc main_~node4____CPAchecker_TMP_0~18#1; [2024-11-09 23:53:35,306 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4708: havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~46#1; [2024-11-09 23:53:35,307 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4708: havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~46#1; [2024-11-09 23:53:35,307 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1405: havoc main_~node2__m2~3#1; [2024-11-09 23:53:35,307 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5964: havoc main_~__tmp_55~0#1, main_~assert__arg~54#1;havoc main_~check__tmp~61#1; [2024-11-09 23:53:35,307 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5964: havoc main_~__tmp_55~0#1, main_~assert__arg~54#1;havoc main_~check__tmp~61#1; [2024-11-09 23:53:35,308 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4908: havoc main_~node4____CPAchecker_TMP_1~18#1; [2024-11-09 23:53:35,308 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1671: havoc main_~node3__m3~5#1; [2024-11-09 23:53:35,308 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1473: havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~9#1; [2024-11-09 23:53:35,308 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1473: havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~9#1; [2024-11-09 23:53:35,308 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2464: havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~20#1; [2024-11-09 23:53:35,308 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2464: havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~20#1; [2024-11-09 23:53:35,308 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3455: havoc main_~node4__m4~18#1; [2024-11-09 23:53:35,308 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2729: havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~23#1; [2024-11-09 23:53:35,309 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2729: havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~23#1; [2024-11-09 23:53:35,309 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5636: havoc main_~__tmp_51~0#1, main_~assert__arg~50#1;havoc main_~check__tmp~57#1; [2024-11-09 23:53:35,309 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5636: havoc main_~__tmp_51~0#1, main_~assert__arg~50#1;havoc main_~check__tmp~57#1; [2024-11-09 23:53:35,309 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2136: havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~16#1; [2024-11-09 23:53:35,309 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2136: havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~16#1; [2024-11-09 23:53:35,309 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1872: havoc main_~check__tmp~14#1;havoc main_~node4__m4~9#1; [2024-11-09 23:53:35,309 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1872: havoc main_~check__tmp~14#1;havoc main_~node4__m4~9#1; [2024-11-09 23:53:35,309 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,310 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,310 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,310 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,310 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,310 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,310 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,310 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,310 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,311 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,311 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,311 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,311 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,311 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,311 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,311 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,311 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,312 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,312 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,312 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,312 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,312 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,312 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,312 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,313 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:53:35,313 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4119: havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~39#1; [2024-11-09 23:53:35,313 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4119: havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~39#1; [2024-11-09 23:53:35,313 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L684: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-09 23:53:35,313 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3657: havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~34#1; [2024-11-09 23:53:35,313 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3657: havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~34#1; [2024-11-09 23:53:35,313 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L354: havoc main_~node2__m2~1#1; [2024-11-09 23:53:35,313 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1148: havoc main_~node4__m4~4#1; [2024-11-09 23:53:35,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:53:35,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:53:35,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L290: havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-09 23:53:35,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2272: havoc main_~node4____CPAchecker_TMP_0~3#1; [2024-11-09 23:53:35,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2933: havoc main_~node4__m4~15#1;havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-09 23:53:35,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2933: havoc main_~node4__m4~15#1;havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-09 23:53:35,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4651: havoc main_~node3__m3~9#1; [2024-11-09 23:53:35,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5114: havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~51#1; [2024-11-09 23:53:35,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5114: havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~51#1; [2024-11-09 23:53:35,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3793: havoc main_~node4____CPAchecker_TMP_0~12#1; [2024-11-09 23:53:35,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2340: havoc main_~node4____CPAchecker_TMP_1~3#1; [2024-11-09 23:53:35,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4323: havoc main_~node4__m4~23#1;havoc main_~node3____CPAchecker_TMP_1~4#1; [2024-11-09 23:53:35,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4323: havoc main_~node4__m4~23#1;havoc main_~node3____CPAchecker_TMP_1~4#1; [2024-11-09 23:53:35,315 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2024-11-09 23:53:35,315 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2024-11-09 23:53:35,315 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3861: havoc main_~node4____CPAchecker_TMP_1~12#1; [2024-11-09 23:53:35,315 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3465: havoc main_~node4____CPAchecker_TMP_0~10#1; [2024-11-09 23:53:35,315 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3333: havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~30#1; [2024-11-09 23:53:35,315 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3333: havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~30#1; [2024-11-09 23:53:35,315 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3135: havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~28#1; [2024-11-09 23:53:35,318 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3135: havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~28#1; [2024-11-09 23:53:35,318 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5844: havoc main_~node4__m4~32#1; [2024-11-09 23:53:35,318 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L493: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-09 23:53:35,318 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L493: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-09 23:53:35,318 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L493: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-09 23:53:35,318 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L493: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-09 23:53:35,318 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L626: havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-09 23:53:35,318 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3533: havoc main_~node4____CPAchecker_TMP_1~10#1; [2024-11-09 23:53:35,319 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2807: havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~24#1; [2024-11-09 23:53:35,319 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2807: havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~24#1; [2024-11-09 23:53:35,319 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2609: havoc main_~node4__m4~13#1;havoc main_~node3____CPAchecker_TMP_0~2#1; [2024-11-09 23:53:35,319 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4525: havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~44#1; [2024-11-09 23:53:35,319 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4525: havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~44#1; [2024-11-09 23:53:35,319 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5516: havoc main_~node4__m4~30#1; [2024-11-09 23:53:35,320 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1222: havoc main_~check__tmp~7#1; [2024-11-09 23:53:35,320 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4790: havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~47#1; [2024-11-09 23:53:35,320 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4790: havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~47#1; [2024-11-09 23:53:35,320 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2016: havoc main_~node4____CPAchecker_TMP_1~1#1; [2024-11-09 23:53:35,320 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1422: havoc main_~node3__m3~4#1; [2024-11-09 23:53:35,320 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4197: havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~40#1; [2024-11-09 23:53:35,320 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4197: havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~40#1; [2024-11-09 23:53:35,431 INFO L? ?]: Removed 517 outVars from TransFormulas that were not future-live. [2024-11-09 23:53:35,431 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:53:35,475 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:53:35,478 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:53:35,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:53:35 BoogieIcfgContainer [2024-11-09 23:53:35,479 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:53:35,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:53:35,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:53:35,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:53:35,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:53:31" (1/3) ... [2024-11-09 23:53:35,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2353fdfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:53:35, skipping insertion in model container [2024-11-09 23:53:35,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:53:32" (2/3) ... [2024-11-09 23:53:35,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2353fdfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:53:35, skipping insertion in model container [2024-11-09 23:53:35,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:53:35" (3/3) ... [2024-11-09 23:53:35,488 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-09 23:53:35,506 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:53:35,506 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 23:53:35,585 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:53:35,591 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;@102370c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:53:35,591 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 23:53:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 715 states, 712 states have (on average 1.771067415730337) internal successors, (1261), 714 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:35,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 23:53:35,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:35,625 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:35,625 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:35,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:35,631 INFO L85 PathProgramCache]: Analyzing trace with hash -208290565, now seen corresponding path program 1 times [2024-11-09 23:53:35,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:35,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285431859] [2024-11-09 23:53:35,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:35,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:36,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:36,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:36,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285431859] [2024-11-09 23:53:36,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285431859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:36,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:36,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:53:36,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224957642] [2024-11-09 23:53:36,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:36,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:53:36,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:36,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:53:36,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:36,120 INFO L87 Difference]: Start difference. First operand has 715 states, 712 states have (on average 1.771067415730337) internal successors, (1261), 714 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:36,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:36,285 INFO L93 Difference]: Finished difference Result 1093 states and 1879 transitions. [2024-11-09 23:53:36,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:53:36,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-11-09 23:53:36,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:36,310 INFO L225 Difference]: With dead ends: 1093 [2024-11-09 23:53:36,310 INFO L226 Difference]: Without dead ends: 859 [2024-11-09 23:53:36,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:36,316 INFO L432 NwaCegarLoop]: 1257 mSDtfsCounter, 636 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 2093 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:36,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 2093 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:53:36,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-09 23:53:36,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 857. [2024-11-09 23:53:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 855 states have (on average 1.3649122807017544) internal successors, (1167), 856 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:36,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1167 transitions. [2024-11-09 23:53:36,382 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1167 transitions. Word has length 62 [2024-11-09 23:53:36,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:36,383 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1167 transitions. [2024-11-09 23:53:36,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:36,383 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1167 transitions. [2024-11-09 23:53:36,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 23:53:36,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:36,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:36,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:53:36,387 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:36,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:36,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2109576107, now seen corresponding path program 1 times [2024-11-09 23:53:36,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:36,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583181020] [2024-11-09 23:53:36,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:36,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:36,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:36,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:36,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583181020] [2024-11-09 23:53:36,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583181020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:36,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:36,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:53:36,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291240756] [2024-11-09 23:53:36,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:36,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:53:36,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:36,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:53:36,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:36,595 INFO L87 Difference]: Start difference. First operand 857 states and 1167 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:36,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:36,733 INFO L93 Difference]: Finished difference Result 1507 states and 2068 transitions. [2024-11-09 23:53:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:53:36,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-09 23:53:36,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:36,739 INFO L225 Difference]: With dead ends: 1507 [2024-11-09 23:53:36,739 INFO L226 Difference]: Without dead ends: 1251 [2024-11-09 23:53:36,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:36,744 INFO L432 NwaCegarLoop]: 1046 mSDtfsCounter, 556 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:36,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 1702 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:53:36,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2024-11-09 23:53:36,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1247. [2024-11-09 23:53:36,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1245 states have (on average 1.3510040160642571) internal successors, (1682), 1246 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:36,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1682 transitions. [2024-11-09 23:53:36,791 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1682 transitions. Word has length 63 [2024-11-09 23:53:36,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:36,794 INFO L471 AbstractCegarLoop]: Abstraction has 1247 states and 1682 transitions. [2024-11-09 23:53:36,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1682 transitions. [2024-11-09 23:53:36,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 23:53:36,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:36,803 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:36,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:53:36,803 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:36,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:36,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1557360948, now seen corresponding path program 1 times [2024-11-09 23:53:36,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:36,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316132240] [2024-11-09 23:53:36,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:36,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:37,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:37,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316132240] [2024-11-09 23:53:37,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316132240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:37,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:37,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:53:37,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459299682] [2024-11-09 23:53:37,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:37,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:53:37,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:37,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:53:37,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:53:37,036 INFO L87 Difference]: Start difference. First operand 1247 states and 1682 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:37,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:37,566 INFO L93 Difference]: Finished difference Result 2549 states and 3536 transitions. [2024-11-09 23:53:37,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:53:37,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-09 23:53:37,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:37,573 INFO L225 Difference]: With dead ends: 2549 [2024-11-09 23:53:37,574 INFO L226 Difference]: Without dead ends: 1526 [2024-11-09 23:53:37,578 INFO L431 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 [2024-11-09 23:53:37,580 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 2656 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2656 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:37,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2656 Valid, 590 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:53:37,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2024-11-09 23:53:37,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1524. [2024-11-09 23:53:37,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1524 states, 1522 states have (on average 1.3896189224704336) internal successors, (2115), 1523 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:37,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1524 states and 2115 transitions. [2024-11-09 23:53:37,611 INFO L78 Accepts]: Start accepts. Automaton has 1524 states and 2115 transitions. Word has length 63 [2024-11-09 23:53:37,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:37,612 INFO L471 AbstractCegarLoop]: Abstraction has 1524 states and 2115 transitions. [2024-11-09 23:53:37,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:37,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 2115 transitions. [2024-11-09 23:53:37,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 23:53:37,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:37,615 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:37,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 23:53:37,616 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:37,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:37,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1536036427, now seen corresponding path program 1 times [2024-11-09 23:53:37,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:37,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225316470] [2024-11-09 23:53:37,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:37,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:37,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:37,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:37,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225316470] [2024-11-09 23:53:37,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225316470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:37,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:37,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:53:37,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114587193] [2024-11-09 23:53:37,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:37,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:53:37,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:37,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:53:37,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:37,742 INFO L87 Difference]: Start difference. First operand 1524 states and 2115 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:37,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:37,795 INFO L93 Difference]: Finished difference Result 3048 states and 4293 transitions. [2024-11-09 23:53:37,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:53:37,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-09 23:53:37,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:37,803 INFO L225 Difference]: With dead ends: 3048 [2024-11-09 23:53:37,804 INFO L226 Difference]: Without dead ends: 2129 [2024-11-09 23:53:37,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:37,806 INFO L432 NwaCegarLoop]: 958 mSDtfsCounter, 584 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:37,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 1503 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:53:37,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2024-11-09 23:53:37,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 2123. [2024-11-09 23:53:37,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 2121 states have (on average 1.3757661480433758) internal successors, (2918), 2122 states have internal predecessors, (2918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:37,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2918 transitions. [2024-11-09 23:53:37,859 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2918 transitions. Word has length 64 [2024-11-09 23:53:37,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:37,859 INFO L471 AbstractCegarLoop]: Abstraction has 2123 states and 2918 transitions. [2024-11-09 23:53:37,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:37,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2918 transitions. [2024-11-09 23:53:37,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 23:53:37,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:37,864 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:37,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 23:53:37,864 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:37,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:37,865 INFO L85 PathProgramCache]: Analyzing trace with hash -480726409, now seen corresponding path program 1 times [2024-11-09 23:53:37,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:37,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847570374] [2024-11-09 23:53:37,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:37,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:37,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:37,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847570374] [2024-11-09 23:53:37,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847570374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:37,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:37,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:53:37,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089308378] [2024-11-09 23:53:37,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:37,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:53:37,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:37,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:53:37,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:37,955 INFO L87 Difference]: Start difference. First operand 2123 states and 2918 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:38,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:38,019 INFO L93 Difference]: Finished difference Result 4594 states and 6431 transitions. [2024-11-09 23:53:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:53:38,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-09 23:53:38,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:38,031 INFO L225 Difference]: With dead ends: 4594 [2024-11-09 23:53:38,031 INFO L226 Difference]: Without dead ends: 3255 [2024-11-09 23:53:38,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:38,034 INFO L432 NwaCegarLoop]: 849 mSDtfsCounter, 405 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:38,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1396 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:53:38,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2024-11-09 23:53:38,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 3251. [2024-11-09 23:53:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3251 states, 3249 states have (on average 1.376115727916282) internal successors, (4471), 3250 states have internal predecessors, (4471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:38,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 4471 transitions. [2024-11-09 23:53:38,104 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 4471 transitions. Word has length 65 [2024-11-09 23:53:38,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:38,104 INFO L471 AbstractCegarLoop]: Abstraction has 3251 states and 4471 transitions. [2024-11-09 23:53:38,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 4471 transitions. [2024-11-09 23:53:38,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 23:53:38,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:38,109 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:38,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 23:53:38,109 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:38,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:38,109 INFO L85 PathProgramCache]: Analyzing trace with hash 2020720918, now seen corresponding path program 1 times [2024-11-09 23:53:38,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:38,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820827360] [2024-11-09 23:53:38,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:38,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:38,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:38,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:38,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820827360] [2024-11-09 23:53:38,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820827360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:38,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:38,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:53:38,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19939362] [2024-11-09 23:53:38,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:38,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:53:38,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:38,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:53:38,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:53:38,322 INFO L87 Difference]: Start difference. First operand 3251 states and 4471 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:38,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:38,751 INFO L93 Difference]: Finished difference Result 7036 states and 9759 transitions. [2024-11-09 23:53:38,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:53:38,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-09 23:53:38,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:38,764 INFO L225 Difference]: With dead ends: 7036 [2024-11-09 23:53:38,765 INFO L226 Difference]: Without dead ends: 4119 [2024-11-09 23:53:38,770 INFO L431 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 [2024-11-09 23:53:38,771 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 2326 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:38,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2326 Valid, 538 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:53:38,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4119 states. [2024-11-09 23:53:38,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4119 to 4103. [2024-11-09 23:53:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4103 states, 4101 states have (on average 1.3777127529870763) internal successors, (5650), 4102 states have internal predecessors, (5650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:38,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 5650 transitions. [2024-11-09 23:53:38,857 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 5650 transitions. Word has length 65 [2024-11-09 23:53:38,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:38,857 INFO L471 AbstractCegarLoop]: Abstraction has 4103 states and 5650 transitions. [2024-11-09 23:53:38,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:38,858 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 5650 transitions. [2024-11-09 23:53:38,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 23:53:38,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:38,863 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:38,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:53:38,863 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:38,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:38,864 INFO L85 PathProgramCache]: Analyzing trace with hash -541975356, now seen corresponding path program 1 times [2024-11-09 23:53:38,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:38,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154857997] [2024-11-09 23:53:38,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:38,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:38,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:38,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154857997] [2024-11-09 23:53:38,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154857997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:38,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:38,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:53:38,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599764497] [2024-11-09 23:53:38,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:38,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:53:38,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:38,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:53:38,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:53:38,997 INFO L87 Difference]: Start difference. First operand 4103 states and 5650 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:39,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:39,416 INFO L93 Difference]: Finished difference Result 9414 states and 13028 transitions. [2024-11-09 23:53:39,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:53:39,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-09 23:53:39,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:39,434 INFO L225 Difference]: With dead ends: 9414 [2024-11-09 23:53:39,435 INFO L226 Difference]: Without dead ends: 5596 [2024-11-09 23:53:39,442 INFO L431 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 [2024-11-09 23:53:39,443 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 2388 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:39,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 546 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:53:39,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5596 states. [2024-11-09 23:53:39,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5596 to 4103. [2024-11-09 23:53:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4103 states, 4101 states have (on average 1.3730797366495977) internal successors, (5631), 4102 states have internal predecessors, (5631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 5631 transitions. [2024-11-09 23:53:39,593 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 5631 transitions. Word has length 66 [2024-11-09 23:53:39,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:39,593 INFO L471 AbstractCegarLoop]: Abstraction has 4103 states and 5631 transitions. [2024-11-09 23:53:39,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:39,594 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 5631 transitions. [2024-11-09 23:53:39,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 23:53:39,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:39,598 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:39,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:53:39,599 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:39,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:39,599 INFO L85 PathProgramCache]: Analyzing trace with hash -835998207, now seen corresponding path program 1 times [2024-11-09 23:53:39,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:39,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441364638] [2024-11-09 23:53:39,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:39,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:39,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:39,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:39,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441364638] [2024-11-09 23:53:39,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441364638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:39,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:39,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:53:39,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265544930] [2024-11-09 23:53:39,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:39,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:53:39,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:39,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:53:39,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:53:39,767 INFO L87 Difference]: Start difference. First operand 4103 states and 5631 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 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) [2024-11-09 23:53:40,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:40,417 INFO L93 Difference]: Finished difference Result 8530 states and 11915 transitions. [2024-11-09 23:53:40,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:53:40,418 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 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 [2024-11-09 23:53:40,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:40,440 INFO L225 Difference]: With dead ends: 8530 [2024-11-09 23:53:40,440 INFO L226 Difference]: Without dead ends: 7289 [2024-11-09 23:53:40,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:53:40,445 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 3178 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3178 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:40,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3178 Valid, 1048 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 23:53:40,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7289 states. [2024-11-09 23:53:40,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7289 to 4127. [2024-11-09 23:53:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4127 states, 4125 states have (on average 1.3728484848484848) internal successors, (5663), 4126 states have internal predecessors, (5663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4127 states to 4127 states and 5663 transitions. [2024-11-09 23:53:40,568 INFO L78 Accepts]: Start accepts. Automaton has 4127 states and 5663 transitions. Word has length 66 [2024-11-09 23:53:40,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:40,568 INFO L471 AbstractCegarLoop]: Abstraction has 4127 states and 5663 transitions. [2024-11-09 23:53:40,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 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) [2024-11-09 23:53:40,568 INFO L276 IsEmpty]: Start isEmpty. Operand 4127 states and 5663 transitions. [2024-11-09 23:53:40,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 23:53:40,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:40,573 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:40,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:53:40,574 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:40,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:40,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1244375832, now seen corresponding path program 1 times [2024-11-09 23:53:40,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:40,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217722324] [2024-11-09 23:53:40,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:40,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:40,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:40,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:40,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217722324] [2024-11-09 23:53:40,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217722324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:40,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:40,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:53:40,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283479320] [2024-11-09 23:53:40,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:40,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:53:40,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:40,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:53:40,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:53:40,735 INFO L87 Difference]: Start difference. First operand 4127 states and 5663 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:41,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:41,330 INFO L93 Difference]: Finished difference Result 7851 states and 10825 transitions. [2024-11-09 23:53:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:53:41,330 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-09 23:53:41,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:41,350 INFO L225 Difference]: With dead ends: 7851 [2024-11-09 23:53:41,350 INFO L226 Difference]: Without dead ends: 6397 [2024-11-09 23:53:41,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:53:41,357 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 2834 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2834 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:41,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2834 Valid, 960 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:53:41,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6397 states. [2024-11-09 23:53:41,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6397 to 4155. [2024-11-09 23:53:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4155 states, 4153 states have (on average 1.372261016132916) internal successors, (5699), 4154 states have internal predecessors, (5699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4155 states to 4155 states and 5699 transitions. [2024-11-09 23:53:41,437 INFO L78 Accepts]: Start accepts. Automaton has 4155 states and 5699 transitions. Word has length 67 [2024-11-09 23:53:41,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:41,437 INFO L471 AbstractCegarLoop]: Abstraction has 4155 states and 5699 transitions. [2024-11-09 23:53:41,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 4155 states and 5699 transitions. [2024-11-09 23:53:41,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 23:53:41,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:41,455 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:41,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:53:41,456 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:41,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:41,456 INFO L85 PathProgramCache]: Analyzing trace with hash 2047813586, now seen corresponding path program 1 times [2024-11-09 23:53:41,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:41,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201176641] [2024-11-09 23:53:41,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:41,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:41,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:41,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201176641] [2024-11-09 23:53:41,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201176641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:41,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:41,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:53:41,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658366614] [2024-11-09 23:53:41,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:41,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:53:41,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:41,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:53:41,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:53:41,602 INFO L87 Difference]: Start difference. First operand 4155 states and 5699 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:42,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:42,035 INFO L93 Difference]: Finished difference Result 9264 states and 12709 transitions. [2024-11-09 23:53:42,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:53:42,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-09 23:53:42,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:42,045 INFO L225 Difference]: With dead ends: 9264 [2024-11-09 23:53:42,045 INFO L226 Difference]: Without dead ends: 5417 [2024-11-09 23:53:42,049 INFO L431 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 [2024-11-09 23:53:42,050 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 2120 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2120 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:42,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2120 Valid, 496 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:53:42,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5417 states. [2024-11-09 23:53:42,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5417 to 5395. [2024-11-09 23:53:42,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5395 states, 5393 states have (on average 1.357871314667161) internal successors, (7323), 5394 states have internal predecessors, (7323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:42,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5395 states to 5395 states and 7323 transitions. [2024-11-09 23:53:42,154 INFO L78 Accepts]: Start accepts. Automaton has 5395 states and 7323 transitions. Word has length 67 [2024-11-09 23:53:42,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:42,154 INFO L471 AbstractCegarLoop]: Abstraction has 5395 states and 7323 transitions. [2024-11-09 23:53:42,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:42,155 INFO L276 IsEmpty]: Start isEmpty. Operand 5395 states and 7323 transitions. [2024-11-09 23:53:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 23:53:42,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:42,161 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:42,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 23:53:42,162 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:42,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:42,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1502718318, now seen corresponding path program 1 times [2024-11-09 23:53:42,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:42,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477089861] [2024-11-09 23:53:42,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:42,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:42,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:42,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477089861] [2024-11-09 23:53:42,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477089861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:42,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:42,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:53:42,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054837188] [2024-11-09 23:53:42,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:42,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:53:42,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:42,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:53:42,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:53:42,323 INFO L87 Difference]: Start difference. First operand 5395 states and 7323 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:42,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:42,880 INFO L93 Difference]: Finished difference Result 13740 states and 18983 transitions. [2024-11-09 23:53:42,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:53:42,881 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-09 23:53:42,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:42,898 INFO L225 Difference]: With dead ends: 13740 [2024-11-09 23:53:42,899 INFO L226 Difference]: Without dead ends: 11390 [2024-11-09 23:53:42,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:53:42,905 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 2975 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2975 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:42,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2975 Valid, 1026 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:53:42,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11390 states. [2024-11-09 23:53:43,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11390 to 5492. [2024-11-09 23:53:43,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5492 states, 5490 states have (on average 1.3573770491803279) internal successors, (7452), 5491 states have internal predecessors, (7452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:43,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 7452 transitions. [2024-11-09 23:53:43,073 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 7452 transitions. Word has length 68 [2024-11-09 23:53:43,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:43,073 INFO L471 AbstractCegarLoop]: Abstraction has 5492 states and 7452 transitions. [2024-11-09 23:53:43,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:43,074 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 7452 transitions. [2024-11-09 23:53:43,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 23:53:43,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:43,080 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:43,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:53:43,080 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:43,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:43,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1019104578, now seen corresponding path program 1 times [2024-11-09 23:53:43,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:43,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763016445] [2024-11-09 23:53:43,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:43,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:43,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:43,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763016445] [2024-11-09 23:53:43,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763016445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:43,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:43,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:53:43,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610495269] [2024-11-09 23:53:43,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:43,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:53:43,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:43,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:53:43,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:53:43,476 INFO L87 Difference]: Start difference. First operand 5492 states and 7452 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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) [2024-11-09 23:53:44,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:44,400 INFO L93 Difference]: Finished difference Result 11452 states and 15776 transitions. [2024-11-09 23:53:44,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:53:44,401 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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 [2024-11-09 23:53:44,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:44,414 INFO L225 Difference]: With dead ends: 11452 [2024-11-09 23:53:44,414 INFO L226 Difference]: Without dead ends: 8175 [2024-11-09 23:53:44,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-09 23:53:44,419 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 2865 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2865 SdHoareTripleChecker+Valid, 1951 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:44,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2865 Valid, 1951 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 23:53:44,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8175 states. [2024-11-09 23:53:44,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8175 to 5488. [2024-11-09 23:53:44,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5488 states, 5486 states have (on average 1.3569084943492526) internal successors, (7444), 5487 states have internal predecessors, (7444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5488 states to 5488 states and 7444 transitions. [2024-11-09 23:53:44,513 INFO L78 Accepts]: Start accepts. Automaton has 5488 states and 7444 transitions. Word has length 69 [2024-11-09 23:53:44,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:44,514 INFO L471 AbstractCegarLoop]: Abstraction has 5488 states and 7444 transitions. [2024-11-09 23:53:44,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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) [2024-11-09 23:53:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 5488 states and 7444 transitions. [2024-11-09 23:53:44,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 23:53:44,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:44,520 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:44,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:53:44,521 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:44,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:44,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1256476012, now seen corresponding path program 1 times [2024-11-09 23:53:44,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:44,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655152688] [2024-11-09 23:53:44,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:44,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:44,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:44,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:44,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655152688] [2024-11-09 23:53:44,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655152688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:44,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:44,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:53:44,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837828368] [2024-11-09 23:53:44,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:44,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:53:44,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:44,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:53:44,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:53:44,960 INFO L87 Difference]: Start difference. First operand 5488 states and 7444 transitions. Second operand has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 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) [2024-11-09 23:53:45,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:46,000 INFO L93 Difference]: Finished difference Result 9753 states and 13305 transitions. [2024-11-09 23:53:46,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:53:46,001 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 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 [2024-11-09 23:53:46,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:46,011 INFO L225 Difference]: With dead ends: 9753 [2024-11-09 23:53:46,012 INFO L226 Difference]: Without dead ends: 8027 [2024-11-09 23:53:46,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:53:46,017 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 2665 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2665 SdHoareTripleChecker+Valid, 2174 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:46,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2665 Valid, 2174 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 23:53:46,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8027 states. [2024-11-09 23:53:46,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8027 to 5488. [2024-11-09 23:53:46,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5488 states, 5486 states have (on average 1.3565439300036457) internal successors, (7442), 5487 states have internal predecessors, (7442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:46,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5488 states to 5488 states and 7442 transitions. [2024-11-09 23:53:46,108 INFO L78 Accepts]: Start accepts. Automaton has 5488 states and 7442 transitions. Word has length 69 [2024-11-09 23:53:46,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:46,108 INFO L471 AbstractCegarLoop]: Abstraction has 5488 states and 7442 transitions. [2024-11-09 23:53:46,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 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) [2024-11-09 23:53:46,109 INFO L276 IsEmpty]: Start isEmpty. Operand 5488 states and 7442 transitions. [2024-11-09 23:53:46,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 23:53:46,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:46,115 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:46,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:53:46,116 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:46,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:46,116 INFO L85 PathProgramCache]: Analyzing trace with hash -718642041, now seen corresponding path program 1 times [2024-11-09 23:53:46,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:46,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493207915] [2024-11-09 23:53:46,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:46,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:46,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:46,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:46,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493207915] [2024-11-09 23:53:46,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493207915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:46,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:46,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:53:46,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206717433] [2024-11-09 23:53:46,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:46,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:53:46,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:46,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:53:46,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:53:46,273 INFO L87 Difference]: Start difference. First operand 5488 states and 7442 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 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) [2024-11-09 23:53:46,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:46,785 INFO L93 Difference]: Finished difference Result 12493 states and 17182 transitions. [2024-11-09 23:53:46,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:53:46,786 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 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 [2024-11-09 23:53:46,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:46,793 INFO L225 Difference]: With dead ends: 12493 [2024-11-09 23:53:46,793 INFO L226 Difference]: Without dead ends: 10307 [2024-11-09 23:53:46,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:53:46,798 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 2887 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2887 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:46,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2887 Valid, 1004 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:53:46,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10307 states. [2024-11-09 23:53:46,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10307 to 5559. [2024-11-09 23:53:46,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5559 states, 5557 states have (on average 1.357027172935037) internal successors, (7541), 5558 states have internal predecessors, (7541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5559 states to 5559 states and 7541 transitions. [2024-11-09 23:53:46,943 INFO L78 Accepts]: Start accepts. Automaton has 5559 states and 7541 transitions. Word has length 70 [2024-11-09 23:53:46,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:46,944 INFO L471 AbstractCegarLoop]: Abstraction has 5559 states and 7541 transitions. [2024-11-09 23:53:46,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 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) [2024-11-09 23:53:46,944 INFO L276 IsEmpty]: Start isEmpty. Operand 5559 states and 7541 transitions. [2024-11-09 23:53:46,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 23:53:46,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:46,952 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:46,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:53:46,952 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:46,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:46,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1554315501, now seen corresponding path program 1 times [2024-11-09 23:53:46,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:46,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048650528] [2024-11-09 23:53:46,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:46,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:47,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:47,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:47,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048650528] [2024-11-09 23:53:47,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048650528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:47,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:47,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:53:47,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397079750] [2024-11-09 23:53:47,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:47,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:53:47,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:47,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:53:47,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:53:47,695 INFO L87 Difference]: Start difference. First operand 5559 states and 7541 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 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) [2024-11-09 23:53:48,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:48,328 INFO L93 Difference]: Finished difference Result 12938 states and 17879 transitions. [2024-11-09 23:53:48,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:53:48,329 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 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 [2024-11-09 23:53:48,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:48,340 INFO L225 Difference]: With dead ends: 12938 [2024-11-09 23:53:48,341 INFO L226 Difference]: Without dead ends: 9463 [2024-11-09 23:53:48,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:53:48,348 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 2452 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2452 SdHoareTripleChecker+Valid, 3935 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:48,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2452 Valid, 3935 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:53:48,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9463 states. [2024-11-09 23:53:48,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9463 to 5349. [2024-11-09 23:53:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5349 states, 5347 states have (on average 1.359079857864223) internal successors, (7267), 5348 states have internal predecessors, (7267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5349 states to 5349 states and 7267 transitions. [2024-11-09 23:53:48,475 INFO L78 Accepts]: Start accepts. Automaton has 5349 states and 7267 transitions. Word has length 70 [2024-11-09 23:53:48,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:48,475 INFO L471 AbstractCegarLoop]: Abstraction has 5349 states and 7267 transitions. [2024-11-09 23:53:48,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 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) [2024-11-09 23:53:48,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5349 states and 7267 transitions. [2024-11-09 23:53:48,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 23:53:48,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:48,481 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:48,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:53:48,482 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:48,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:48,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1277715955, now seen corresponding path program 1 times [2024-11-09 23:53:48,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:48,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225739912] [2024-11-09 23:53:48,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:48,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:48,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:48,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225739912] [2024-11-09 23:53:48,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225739912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:48,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:48,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:53:48,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121495364] [2024-11-09 23:53:48,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:48,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:53:48,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:48,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:53:48,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:53:48,800 INFO L87 Difference]: Start difference. First operand 5349 states and 7267 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:49,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:49,538 INFO L93 Difference]: Finished difference Result 11446 states and 15793 transitions. [2024-11-09 23:53:49,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:53:49,539 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-09 23:53:49,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:49,546 INFO L225 Difference]: With dead ends: 11446 [2024-11-09 23:53:49,546 INFO L226 Difference]: Without dead ends: 8125 [2024-11-09 23:53:49,551 INFO L431 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 [2024-11-09 23:53:49,552 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 2746 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2746 SdHoareTripleChecker+Valid, 1796 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:49,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2746 Valid, 1796 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 23:53:49,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8125 states. [2024-11-09 23:53:49,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8125 to 5324. [2024-11-09 23:53:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5324 states, 5322 states have (on average 1.3579481397970687) internal successors, (7227), 5323 states have internal predecessors, (7227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5324 states to 5324 states and 7227 transitions. [2024-11-09 23:53:49,641 INFO L78 Accepts]: Start accepts. Automaton has 5324 states and 7227 transitions. Word has length 70 [2024-11-09 23:53:49,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:49,641 INFO L471 AbstractCegarLoop]: Abstraction has 5324 states and 7227 transitions. [2024-11-09 23:53:49,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:49,642 INFO L276 IsEmpty]: Start isEmpty. Operand 5324 states and 7227 transitions. [2024-11-09 23:53:49,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 23:53:49,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:49,647 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:49,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:53:49,647 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:49,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:49,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1617012384, now seen corresponding path program 1 times [2024-11-09 23:53:49,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:49,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687418404] [2024-11-09 23:53:49,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:49,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:50,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:50,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687418404] [2024-11-09 23:53:50,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687418404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:50,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:50,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 23:53:50,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986844218] [2024-11-09 23:53:50,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:50,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 23:53:50,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:50,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 23:53:50,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:53:50,319 INFO L87 Difference]: Start difference. First operand 5324 states and 7227 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 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) [2024-11-09 23:53:51,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:51,350 INFO L93 Difference]: Finished difference Result 16504 states and 22886 transitions. [2024-11-09 23:53:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 23:53:51,351 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 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 [2024-11-09 23:53:51,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:51,362 INFO L225 Difference]: With dead ends: 16504 [2024-11-09 23:53:51,362 INFO L226 Difference]: Without dead ends: 13229 [2024-11-09 23:53:51,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2024-11-09 23:53:51,367 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 4388 mSDsluCounter, 2928 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4388 SdHoareTripleChecker+Valid, 3444 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:51,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4388 Valid, 3444 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 23:53:51,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13229 states. [2024-11-09 23:53:51,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13229 to 5318. [2024-11-09 23:53:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5318 states, 5316 states have (on average 1.3572234762979685) internal successors, (7215), 5317 states have internal predecessors, (7215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:51,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5318 states to 5318 states and 7215 transitions. [2024-11-09 23:53:51,466 INFO L78 Accepts]: Start accepts. Automaton has 5318 states and 7215 transitions. Word has length 70 [2024-11-09 23:53:51,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:51,466 INFO L471 AbstractCegarLoop]: Abstraction has 5318 states and 7215 transitions. [2024-11-09 23:53:51,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 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) [2024-11-09 23:53:51,466 INFO L276 IsEmpty]: Start isEmpty. Operand 5318 states and 7215 transitions. [2024-11-09 23:53:51,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 23:53:51,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:51,472 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:51,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:53:51,473 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:51,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:51,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1334212015, now seen corresponding path program 1 times [2024-11-09 23:53:51,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:51,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886018496] [2024-11-09 23:53:51,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:51,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:51,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:51,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886018496] [2024-11-09 23:53:51,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886018496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:51,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:51,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:53:51,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990596850] [2024-11-09 23:53:51,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:51,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:53:51,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:51,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:53:51,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:53:51,731 INFO L87 Difference]: Start difference. First operand 5318 states and 7215 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:52,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:52,386 INFO L93 Difference]: Finished difference Result 12861 states and 17739 transitions. [2024-11-09 23:53:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 23:53:52,387 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-09 23:53:52,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:52,394 INFO L225 Difference]: With dead ends: 12861 [2024-11-09 23:53:52,395 INFO L226 Difference]: Without dead ends: 9342 [2024-11-09 23:53:52,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-11-09 23:53:52,399 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 3032 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3032 SdHoareTripleChecker+Valid, 1911 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:52,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3032 Valid, 1911 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:53:52,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9342 states. [2024-11-09 23:53:52,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9342 to 5193. [2024-11-09 23:53:52,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5193 states, 5191 states have (on average 1.3571566172221152) internal successors, (7045), 5192 states have internal predecessors, (7045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:52,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 5193 states and 7045 transitions. [2024-11-09 23:53:52,521 INFO L78 Accepts]: Start accepts. Automaton has 5193 states and 7045 transitions. Word has length 71 [2024-11-09 23:53:52,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:52,522 INFO L471 AbstractCegarLoop]: Abstraction has 5193 states and 7045 transitions. [2024-11-09 23:53:52,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:52,522 INFO L276 IsEmpty]: Start isEmpty. Operand 5193 states and 7045 transitions. [2024-11-09 23:53:52,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 23:53:52,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:52,528 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:52,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 23:53:52,529 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:52,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:52,530 INFO L85 PathProgramCache]: Analyzing trace with hash 2072620453, now seen corresponding path program 1 times [2024-11-09 23:53:52,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:52,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596351638] [2024-11-09 23:53:52,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:52,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:53,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:53,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596351638] [2024-11-09 23:53:53,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596351638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:53,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:53,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 23:53:53,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056089195] [2024-11-09 23:53:53,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:53,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 23:53:53,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:53,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 23:53:53,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-09 23:53:53,191 INFO L87 Difference]: Start difference. First operand 5193 states and 7045 transitions. Second operand has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:54,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:54,282 INFO L93 Difference]: Finished difference Result 20384 states and 28257 transitions. [2024-11-09 23:53:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 23:53:54,282 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-09 23:53:54,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:54,305 INFO L225 Difference]: With dead ends: 20384 [2024-11-09 23:53:54,305 INFO L226 Difference]: Without dead ends: 18134 [2024-11-09 23:53:54,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2024-11-09 23:53:54,316 INFO L432 NwaCegarLoop]: 494 mSDtfsCounter, 3986 mSDsluCounter, 3203 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3986 SdHoareTripleChecker+Valid, 3697 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:54,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3986 Valid, 3697 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1061 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 23:53:54,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18134 states. [2024-11-09 23:53:54,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18134 to 5178. [2024-11-09 23:53:54,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5178 states, 5176 states have (on average 1.357032457496136) internal successors, (7024), 5177 states have internal predecessors, (7024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5178 states to 5178 states and 7024 transitions. [2024-11-09 23:53:54,482 INFO L78 Accepts]: Start accepts. Automaton has 5178 states and 7024 transitions. Word has length 71 [2024-11-09 23:53:54,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:54,482 INFO L471 AbstractCegarLoop]: Abstraction has 5178 states and 7024 transitions. [2024-11-09 23:53:54,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:54,482 INFO L276 IsEmpty]: Start isEmpty. Operand 5178 states and 7024 transitions. [2024-11-09 23:53:54,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 23:53:54,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:54,488 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:54,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 23:53:54,489 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:54,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:54,490 INFO L85 PathProgramCache]: Analyzing trace with hash -794702782, now seen corresponding path program 1 times [2024-11-09 23:53:54,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:54,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139083119] [2024-11-09 23:53:54,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:54,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:55,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:55,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139083119] [2024-11-09 23:53:55,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139083119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:55,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:55,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 23:53:55,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551951584] [2024-11-09 23:53:55,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:55,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 23:53:55,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:55,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 23:53:55,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:53:55,121 INFO L87 Difference]: Start difference. First operand 5178 states and 7024 transitions. Second operand has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:56,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:56,322 INFO L93 Difference]: Finished difference Result 18310 states and 25344 transitions. [2024-11-09 23:53:56,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 23:53:56,322 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-09 23:53:56,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:56,335 INFO L225 Difference]: With dead ends: 18310 [2024-11-09 23:53:56,336 INFO L226 Difference]: Without dead ends: 16108 [2024-11-09 23:53:56,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-09 23:53:56,342 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 3765 mSDsluCounter, 2464 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3765 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:56,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3765 Valid, 2956 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 23:53:56,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16108 states. [2024-11-09 23:53:56,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16108 to 5178. [2024-11-09 23:53:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5178 states, 5176 states have (on average 1.356839258114374) internal successors, (7023), 5177 states have internal predecessors, (7023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:56,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5178 states to 5178 states and 7023 transitions. [2024-11-09 23:53:56,430 INFO L78 Accepts]: Start accepts. Automaton has 5178 states and 7023 transitions. Word has length 72 [2024-11-09 23:53:56,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:56,430 INFO L471 AbstractCegarLoop]: Abstraction has 5178 states and 7023 transitions. [2024-11-09 23:53:56,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:56,430 INFO L276 IsEmpty]: Start isEmpty. Operand 5178 states and 7023 transitions. [2024-11-09 23:53:56,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 23:53:56,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:56,435 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:56,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 23:53:56,435 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:56,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:56,435 INFO L85 PathProgramCache]: Analyzing trace with hash 447088013, now seen corresponding path program 1 times [2024-11-09 23:53:56,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:56,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334617475] [2024-11-09 23:53:56,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:56,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:56,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:56,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:56,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334617475] [2024-11-09 23:53:56,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334617475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:56,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:56,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:53:56,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083997973] [2024-11-09 23:53:56,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:56,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:53:56,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:56,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:53:56,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:56,502 INFO L87 Difference]: Start difference. First operand 5178 states and 7023 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:56,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:56,555 INFO L93 Difference]: Finished difference Result 7563 states and 10343 transitions. [2024-11-09 23:53:56,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:53:56,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-09 23:53:56,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:56,562 INFO L225 Difference]: With dead ends: 7563 [2024-11-09 23:53:56,562 INFO L226 Difference]: Without dead ends: 5182 [2024-11-09 23:53:56,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:56,567 INFO L432 NwaCegarLoop]: 762 mSDtfsCounter, 334 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:56,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 1194 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:53:56,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5182 states. [2024-11-09 23:53:56,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5182 to 5178. [2024-11-09 23:53:56,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5178 states, 5176 states have (on average 1.3448608964451314) internal successors, (6961), 5177 states have internal predecessors, (6961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5178 states to 5178 states and 6961 transitions. [2024-11-09 23:53:56,625 INFO L78 Accepts]: Start accepts. Automaton has 5178 states and 6961 transitions. Word has length 72 [2024-11-09 23:53:56,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:56,626 INFO L471 AbstractCegarLoop]: Abstraction has 5178 states and 6961 transitions. [2024-11-09 23:53:56,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:56,626 INFO L276 IsEmpty]: Start isEmpty. Operand 5178 states and 6961 transitions. [2024-11-09 23:53:56,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 23:53:56,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:56,631 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:56,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 23:53:56,632 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:56,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:56,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1512994610, now seen corresponding path program 1 times [2024-11-09 23:53:56,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:56,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395300488] [2024-11-09 23:53:56,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:56,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:56,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:56,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:56,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395300488] [2024-11-09 23:53:56,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395300488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:56,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:56,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:53:56,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174297155] [2024-11-09 23:53:56,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:56,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:53:56,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:56,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:53:56,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:56,684 INFO L87 Difference]: Start difference. First operand 5178 states and 6961 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:56,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:56,811 INFO L93 Difference]: Finished difference Result 10130 states and 13738 transitions. [2024-11-09 23:53:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:53:56,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-09 23:53:56,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:56,821 INFO L225 Difference]: With dead ends: 10130 [2024-11-09 23:53:56,821 INFO L226 Difference]: Without dead ends: 7189 [2024-11-09 23:53:56,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:56,827 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 492 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:56,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 652 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:53:56,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7189 states. [2024-11-09 23:53:56,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7189 to 7167. [2024-11-09 23:53:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7167 states, 7165 states have (on average 1.3602233077459875) internal successors, (9746), 7166 states have internal predecessors, (9746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:56,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7167 states to 7167 states and 9746 transitions. [2024-11-09 23:53:56,916 INFO L78 Accepts]: Start accepts. Automaton has 7167 states and 9746 transitions. Word has length 72 [2024-11-09 23:53:56,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:56,916 INFO L471 AbstractCegarLoop]: Abstraction has 7167 states and 9746 transitions. [2024-11-09 23:53:56,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 7167 states and 9746 transitions. [2024-11-09 23:53:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 23:53:56,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:56,922 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:56,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 23:53:56,922 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:56,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:56,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1098218074, now seen corresponding path program 1 times [2024-11-09 23:53:56,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:56,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503355369] [2024-11-09 23:53:56,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:56,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:56,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:56,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503355369] [2024-11-09 23:53:56,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503355369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:56,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:56,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:53:56,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349225911] [2024-11-09 23:53:56,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:56,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:53:56,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:56,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:53:56,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:56,983 INFO L87 Difference]: Start difference. First operand 7167 states and 9746 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) [2024-11-09 23:53:57,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:57,029 INFO L93 Difference]: Finished difference Result 11076 states and 15147 transitions. [2024-11-09 23:53:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:53:57,030 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 [2024-11-09 23:53:57,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:57,038 INFO L225 Difference]: With dead ends: 11076 [2024-11-09 23:53:57,038 INFO L226 Difference]: Without dead ends: 7169 [2024-11-09 23:53:57,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:57,046 INFO L432 NwaCegarLoop]: 738 mSDtfsCounter, 365 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:57,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 1202 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:53:57,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7169 states. [2024-11-09 23:53:57,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7169 to 7167. [2024-11-09 23:53:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7167 states, 7165 states have (on average 1.3498953244940683) internal successors, (9672), 7166 states have internal predecessors, (9672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:57,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7167 states to 7167 states and 9672 transitions. [2024-11-09 23:53:57,248 INFO L78 Accepts]: Start accepts. Automaton has 7167 states and 9672 transitions. Word has length 73 [2024-11-09 23:53:57,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:57,249 INFO L471 AbstractCegarLoop]: Abstraction has 7167 states and 9672 transitions. [2024-11-09 23:53:57,249 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) [2024-11-09 23:53:57,249 INFO L276 IsEmpty]: Start isEmpty. Operand 7167 states and 9672 transitions. [2024-11-09 23:53:57,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 23:53:57,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:57,255 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:57,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 23:53:57,256 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:57,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:57,256 INFO L85 PathProgramCache]: Analyzing trace with hash 39120091, now seen corresponding path program 1 times [2024-11-09 23:53:57,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:57,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289006006] [2024-11-09 23:53:57,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:57,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:57,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:57,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:57,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289006006] [2024-11-09 23:53:57,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289006006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:57,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:57,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:53:57,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099128416] [2024-11-09 23:53:57,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:57,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:53:57,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:57,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:53:57,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:57,316 INFO L87 Difference]: Start difference. First operand 7167 states and 9672 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:57,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:57,393 INFO L93 Difference]: Finished difference Result 13342 states and 18123 transitions. [2024-11-09 23:53:57,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:53:57,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-09 23:53:57,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:57,405 INFO L225 Difference]: With dead ends: 13342 [2024-11-09 23:53:57,405 INFO L226 Difference]: Without dead ends: 8956 [2024-11-09 23:53:57,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:57,412 INFO L432 NwaCegarLoop]: 571 mSDtfsCounter, 502 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:57,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 776 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:53:57,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8956 states. [2024-11-09 23:53:57,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8956 to 6702. [2024-11-09 23:53:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6702 states, 6700 states have (on average 1.353731343283582) internal successors, (9070), 6701 states have internal predecessors, (9070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6702 states to 6702 states and 9070 transitions. [2024-11-09 23:53:57,503 INFO L78 Accepts]: Start accepts. Automaton has 6702 states and 9070 transitions. Word has length 74 [2024-11-09 23:53:57,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:57,503 INFO L471 AbstractCegarLoop]: Abstraction has 6702 states and 9070 transitions. [2024-11-09 23:53:57,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:57,503 INFO L276 IsEmpty]: Start isEmpty. Operand 6702 states and 9070 transitions. [2024-11-09 23:53:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 23:53:57,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:57,509 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:57,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 23:53:57,509 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:57,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:57,510 INFO L85 PathProgramCache]: Analyzing trace with hash -488026209, now seen corresponding path program 1 times [2024-11-09 23:53:57,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:57,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129520987] [2024-11-09 23:53:57,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:57,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:57,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:57,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:57,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129520987] [2024-11-09 23:53:57,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129520987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:57,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:57,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:53:57,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825585772] [2024-11-09 23:53:57,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:57,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:53:57,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:57,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:53:57,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:57,579 INFO L87 Difference]: Start difference. First operand 6702 states and 9070 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:57,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:57,652 INFO L93 Difference]: Finished difference Result 12520 states and 17057 transitions. [2024-11-09 23:53:57,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:53:57,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-09 23:53:57,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:57,659 INFO L225 Difference]: With dead ends: 12520 [2024-11-09 23:53:57,659 INFO L226 Difference]: Without dead ends: 8344 [2024-11-09 23:53:57,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:53:57,664 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 424 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:57,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 656 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:53:57,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8344 states. [2024-11-09 23:53:57,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8344 to 6396. [2024-11-09 23:53:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6396 states, 6394 states have (on average 1.3540819518298404) internal successors, (8658), 6395 states have internal predecessors, (8658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:57,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6396 states to 6396 states and 8658 transitions. [2024-11-09 23:53:57,741 INFO L78 Accepts]: Start accepts. Automaton has 6396 states and 8658 transitions. Word has length 74 [2024-11-09 23:53:57,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:57,742 INFO L471 AbstractCegarLoop]: Abstraction has 6396 states and 8658 transitions. [2024-11-09 23:53:57,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:57,742 INFO L276 IsEmpty]: Start isEmpty. Operand 6396 states and 8658 transitions. [2024-11-09 23:53:57,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 23:53:57,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:57,747 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:57,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 23:53:57,747 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:57,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:57,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1517325473, now seen corresponding path program 1 times [2024-11-09 23:53:57,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:57,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544821304] [2024-11-09 23:53:57,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:57,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:58,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:58,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544821304] [2024-11-09 23:53:58,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544821304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:58,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:58,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:53:58,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682035105] [2024-11-09 23:53:58,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:58,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:53:58,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:58,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:53:58,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:53:58,088 INFO L87 Difference]: Start difference. First operand 6396 states and 8658 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2024-11-09 23:53:58,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:58,687 INFO L93 Difference]: Finished difference Result 10690 states and 14538 transitions. [2024-11-09 23:53:58,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:53:58,688 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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 [2024-11-09 23:53:58,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:58,697 INFO L225 Difference]: With dead ends: 10690 [2024-11-09 23:53:58,697 INFO L226 Difference]: Without dead ends: 10052 [2024-11-09 23:53:58,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-09 23:53:58,702 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 2056 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:58,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 1581 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:53:58,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10052 states. [2024-11-09 23:53:58,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10052 to 6391. [2024-11-09 23:53:58,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6391 states, 6389 states have (on average 1.3537329785568946) internal successors, (8649), 6390 states have internal predecessors, (8649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:58,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6391 states to 6391 states and 8649 transitions. [2024-11-09 23:53:58,806 INFO L78 Accepts]: Start accepts. Automaton has 6391 states and 8649 transitions. Word has length 74 [2024-11-09 23:53:58,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:58,806 INFO L471 AbstractCegarLoop]: Abstraction has 6391 states and 8649 transitions. [2024-11-09 23:53:58,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2024-11-09 23:53:58,806 INFO L276 IsEmpty]: Start isEmpty. Operand 6391 states and 8649 transitions. [2024-11-09 23:53:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 23:53:58,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:58,811 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:58,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 23:53:58,812 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:58,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:58,812 INFO L85 PathProgramCache]: Analyzing trace with hash -69237139, now seen corresponding path program 1 times [2024-11-09 23:53:58,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:58,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344722733] [2024-11-09 23:53:58,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:58,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:53:59,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:53:59,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:53:59,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344722733] [2024-11-09 23:53:59,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344722733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:53:59,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:53:59,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:53:59,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402302945] [2024-11-09 23:53:59,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:53:59,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:53:59,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:53:59,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:53:59,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:53:59,056 INFO L87 Difference]: Start difference. First operand 6391 states and 8649 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2024-11-09 23:53:59,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:53:59,614 INFO L93 Difference]: Finished difference Result 9097 states and 12326 transitions. [2024-11-09 23:53:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 23:53:59,615 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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 [2024-11-09 23:53:59,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:53:59,622 INFO L225 Difference]: With dead ends: 9097 [2024-11-09 23:53:59,622 INFO L226 Difference]: Without dead ends: 8459 [2024-11-09 23:53:59,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:53:59,624 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 1740 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:53:59,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 1311 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:53:59,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8459 states. [2024-11-09 23:53:59,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8459 to 6391. [2024-11-09 23:53:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6391 states, 6389 states have (on average 1.353576459539834) internal successors, (8648), 6390 states have internal predecessors, (8648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:53:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6391 states to 6391 states and 8648 transitions. [2024-11-09 23:53:59,693 INFO L78 Accepts]: Start accepts. Automaton has 6391 states and 8648 transitions. Word has length 74 [2024-11-09 23:53:59,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:53:59,693 INFO L471 AbstractCegarLoop]: Abstraction has 6391 states and 8648 transitions. [2024-11-09 23:53:59,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2024-11-09 23:53:59,694 INFO L276 IsEmpty]: Start isEmpty. Operand 6391 states and 8648 transitions. [2024-11-09 23:53:59,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 23:53:59,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:53:59,698 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:53:59,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 23:53:59,698 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:53:59,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:53:59,699 INFO L85 PathProgramCache]: Analyzing trace with hash 354440858, now seen corresponding path program 1 times [2024-11-09 23:53:59,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:53:59,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854207341] [2024-11-09 23:53:59,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:53:59,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:53:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:00,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:00,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854207341] [2024-11-09 23:54:00,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854207341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:00,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:00,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 23:54:00,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841156150] [2024-11-09 23:54:00,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:00,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:54:00,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:00,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:54:00,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:54:00,148 INFO L87 Difference]: Start difference. First operand 6391 states and 8648 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:01,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:01,304 INFO L93 Difference]: Finished difference Result 22256 states and 30343 transitions. [2024-11-09 23:54:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 23:54:01,305 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-09 23:54:01,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:01,326 INFO L225 Difference]: With dead ends: 22256 [2024-11-09 23:54:01,326 INFO L226 Difference]: Without dead ends: 21602 [2024-11-09 23:54:01,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=273, Invalid=719, Unknown=0, NotChecked=0, Total=992 [2024-11-09 23:54:01,334 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 4537 mSDsluCounter, 1599 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4537 SdHoareTripleChecker+Valid, 1935 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:01,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4537 Valid, 1935 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 23:54:01,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21602 states. [2024-11-09 23:54:01,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21602 to 6395. [2024-11-09 23:54:01,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6395 states, 6393 states have (on average 1.353355232285312) internal successors, (8652), 6394 states have internal predecessors, (8652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:01,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6395 states to 6395 states and 8652 transitions. [2024-11-09 23:54:01,453 INFO L78 Accepts]: Start accepts. Automaton has 6395 states and 8652 transitions. Word has length 75 [2024-11-09 23:54:01,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:01,454 INFO L471 AbstractCegarLoop]: Abstraction has 6395 states and 8652 transitions. [2024-11-09 23:54:01,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:01,454 INFO L276 IsEmpty]: Start isEmpty. Operand 6395 states and 8652 transitions. [2024-11-09 23:54:01,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 23:54:01,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:01,457 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:01,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 23:54:01,457 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:01,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:01,457 INFO L85 PathProgramCache]: Analyzing trace with hash -601343624, now seen corresponding path program 1 times [2024-11-09 23:54:01,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:01,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789230543] [2024-11-09 23:54:01,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:01,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:01,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:01,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789230543] [2024-11-09 23:54:01,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789230543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:01,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:01,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:54:01,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613646309] [2024-11-09 23:54:01,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:01,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:54:01,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:01,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:54:01,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:54:01,677 INFO L87 Difference]: Start difference. First operand 6395 states and 8652 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:02,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:02,169 INFO L93 Difference]: Finished difference Result 9098 states and 12325 transitions. [2024-11-09 23:54:02,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:54:02,170 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-09 23:54:02,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:02,177 INFO L225 Difference]: With dead ends: 9098 [2024-11-09 23:54:02,177 INFO L226 Difference]: Without dead ends: 8463 [2024-11-09 23:54:02,178 INFO L431 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 [2024-11-09 23:54:02,179 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 1158 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:02,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1158 Valid, 1332 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:54:02,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8463 states. [2024-11-09 23:54:02,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8463 to 6395. [2024-11-09 23:54:02,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6395 states, 6393 states have (on average 1.3531988111997497) internal successors, (8651), 6394 states have internal predecessors, (8651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:02,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6395 states to 6395 states and 8651 transitions. [2024-11-09 23:54:02,234 INFO L78 Accepts]: Start accepts. Automaton has 6395 states and 8651 transitions. Word has length 75 [2024-11-09 23:54:02,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:02,234 INFO L471 AbstractCegarLoop]: Abstraction has 6395 states and 8651 transitions. [2024-11-09 23:54:02,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:02,234 INFO L276 IsEmpty]: Start isEmpty. Operand 6395 states and 8651 transitions. [2024-11-09 23:54:02,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 23:54:02,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:02,238 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:02,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 23:54:02,239 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:02,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:02,239 INFO L85 PathProgramCache]: Analyzing trace with hash -2098266129, now seen corresponding path program 1 times [2024-11-09 23:54:02,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:02,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673073755] [2024-11-09 23:54:02,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:02,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:02,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:02,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673073755] [2024-11-09 23:54:02,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673073755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:02,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:02,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:02,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815295753] [2024-11-09 23:54:02,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:02,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:02,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:02,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:02,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:02,305 INFO L87 Difference]: Start difference. First operand 6395 states and 8651 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:02,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:02,363 INFO L93 Difference]: Finished difference Result 8461 states and 11470 transitions. [2024-11-09 23:54:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:02,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-09 23:54:02,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:02,367 INFO L225 Difference]: With dead ends: 8461 [2024-11-09 23:54:02,368 INFO L226 Difference]: Without dead ends: 5362 [2024-11-09 23:54:02,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:02,371 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 293 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:02,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 859 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:02,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5362 states. [2024-11-09 23:54:02,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5362 to 4174. [2024-11-09 23:54:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4174 states, 4172 states have (on average 1.3274209012464047) internal successors, (5538), 4173 states have internal predecessors, (5538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4174 states to 4174 states and 5538 transitions. [2024-11-09 23:54:02,405 INFO L78 Accepts]: Start accepts. Automaton has 4174 states and 5538 transitions. Word has length 75 [2024-11-09 23:54:02,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:02,406 INFO L471 AbstractCegarLoop]: Abstraction has 4174 states and 5538 transitions. [2024-11-09 23:54:02,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 4174 states and 5538 transitions. [2024-11-09 23:54:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 23:54:02,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:02,408 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:02,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 23:54:02,408 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:02,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:02,409 INFO L85 PathProgramCache]: Analyzing trace with hash 129871611, now seen corresponding path program 1 times [2024-11-09 23:54:02,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:02,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627336911] [2024-11-09 23:54:02,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:02,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:02,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:02,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:02,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627336911] [2024-11-09 23:54:02,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627336911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:02,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:02,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 23:54:02,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736308666] [2024-11-09 23:54:02,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:02,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 23:54:02,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:02,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 23:54:02,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-09 23:54:02,870 INFO L87 Difference]: Start difference. First operand 4174 states and 5538 transitions. Second operand has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:03,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:03,837 INFO L93 Difference]: Finished difference Result 9124 states and 12172 transitions. [2024-11-09 23:54:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 23:54:03,838 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-11-09 23:54:03,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:03,845 INFO L225 Difference]: With dead ends: 9124 [2024-11-09 23:54:03,845 INFO L226 Difference]: Without dead ends: 8979 [2024-11-09 23:54:03,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2024-11-09 23:54:03,847 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 2822 mSDsluCounter, 2152 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 2474 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:03,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2822 Valid, 2474 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1683 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 23:54:03,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8979 states. [2024-11-09 23:54:03,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8979 to 4170. [2024-11-09 23:54:03,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4170 states, 4168 states have (on average 1.3274952015355086) internal successors, (5533), 4169 states have internal predecessors, (5533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:03,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4170 states to 4170 states and 5533 transitions. [2024-11-09 23:54:03,910 INFO L78 Accepts]: Start accepts. Automaton has 4170 states and 5533 transitions. Word has length 76 [2024-11-09 23:54:03,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:03,910 INFO L471 AbstractCegarLoop]: Abstraction has 4170 states and 5533 transitions. [2024-11-09 23:54:03,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:03,910 INFO L276 IsEmpty]: Start isEmpty. Operand 4170 states and 5533 transitions. [2024-11-09 23:54:03,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 23:54:03,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:03,912 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:03,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 23:54:03,913 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:03,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:03,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1146415825, now seen corresponding path program 1 times [2024-11-09 23:54:03,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:03,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967400069] [2024-11-09 23:54:03,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:03,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:04,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:04,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:04,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967400069] [2024-11-09 23:54:04,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967400069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:04,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:04,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 23:54:04,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489819572] [2024-11-09 23:54:04,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:04,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 23:54:04,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:04,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 23:54:04,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:54:04,471 INFO L87 Difference]: Start difference. First operand 4170 states and 5533 transitions. Second operand has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:05,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:05,099 INFO L93 Difference]: Finished difference Result 12180 states and 16356 transitions. [2024-11-09 23:54:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 23:54:05,100 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-09 23:54:05,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:05,110 INFO L225 Difference]: With dead ends: 12180 [2024-11-09 23:54:05,110 INFO L226 Difference]: Without dead ends: 11983 [2024-11-09 23:54:05,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-09 23:54:05,113 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 2830 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2830 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:05,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2830 Valid, 2188 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:54:05,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11983 states. [2024-11-09 23:54:05,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11983 to 4106. [2024-11-09 23:54:05,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4106 states, 4105 states have (on average 1.3276492082825821) internal successors, (5450), 4105 states have internal predecessors, (5450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:05,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4106 states to 4106 states and 5450 transitions. [2024-11-09 23:54:05,166 INFO L78 Accepts]: Start accepts. Automaton has 4106 states and 5450 transitions. Word has length 77 [2024-11-09 23:54:05,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:05,166 INFO L471 AbstractCegarLoop]: Abstraction has 4106 states and 5450 transitions. [2024-11-09 23:54:05,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:05,166 INFO L276 IsEmpty]: Start isEmpty. Operand 4106 states and 5450 transitions. [2024-11-09 23:54:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 23:54:05,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:05,169 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:05,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 23:54:05,170 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:05,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:05,170 INFO L85 PathProgramCache]: Analyzing trace with hash -916473156, now seen corresponding path program 1 times [2024-11-09 23:54:05,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:05,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164392744] [2024-11-09 23:54:05,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:05,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:05,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:05,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:05,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164392744] [2024-11-09 23:54:05,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164392744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:05,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:05,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:54:05,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350934549] [2024-11-09 23:54:05,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:05,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:54:05,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:05,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:54:05,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:54:05,283 INFO L87 Difference]: Start difference. First operand 4106 states and 5450 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) 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) [2024-11-09 23:54:05,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:05,421 INFO L93 Difference]: Finished difference Result 13431 states and 18307 transitions. [2024-11-09 23:54:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:54:05,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) 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 [2024-11-09 23:54:05,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:05,434 INFO L225 Difference]: With dead ends: 13431 [2024-11-09 23:54:05,434 INFO L226 Difference]: Without dead ends: 10378 [2024-11-09 23:54:05,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:54:05,466 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 1840 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1840 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:05,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1840 Valid, 1143 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:54:05,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10378 states. [2024-11-09 23:54:05,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10378 to 7157. [2024-11-09 23:54:05,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7157 states, 7156 states have (on average 1.3351034097261039) internal successors, (9554), 7156 states have internal predecessors, (9554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7157 states to 7157 states and 9554 transitions. [2024-11-09 23:54:05,558 INFO L78 Accepts]: Start accepts. Automaton has 7157 states and 9554 transitions. Word has length 83 [2024-11-09 23:54:05,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:05,558 INFO L471 AbstractCegarLoop]: Abstraction has 7157 states and 9554 transitions. [2024-11-09 23:54:05,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) 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) [2024-11-09 23:54:05,558 INFO L276 IsEmpty]: Start isEmpty. Operand 7157 states and 9554 transitions. [2024-11-09 23:54:05,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 23:54:05,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:05,564 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:05,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 23:54:05,565 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:05,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:05,565 INFO L85 PathProgramCache]: Analyzing trace with hash 684297372, now seen corresponding path program 1 times [2024-11-09 23:54:05,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:05,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202373831] [2024-11-09 23:54:05,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:05,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:05,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:05,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:05,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202373831] [2024-11-09 23:54:05,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202373831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:05,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:05,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:54:05,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661899839] [2024-11-09 23:54:05,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:05,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:54:05,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:05,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:54:05,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:54:05,732 INFO L87 Difference]: Start difference. First operand 7157 states and 9554 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:05,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:05,851 INFO L93 Difference]: Finished difference Result 9357 states and 12477 transitions. [2024-11-09 23:54:05,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:54:05,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-09 23:54:05,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:05,860 INFO L225 Difference]: With dead ends: 9357 [2024-11-09 23:54:05,860 INFO L226 Difference]: Without dead ends: 8485 [2024-11-09 23:54:05,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:54:05,865 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 1021 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:05,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1021 Valid, 1135 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:54:05,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8485 states. [2024-11-09 23:54:05,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8485 to 8087. [2024-11-09 23:54:05,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8087 states, 8086 states have (on average 1.3357655206529804) internal successors, (10801), 8086 states have internal predecessors, (10801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8087 states to 8087 states and 10801 transitions. [2024-11-09 23:54:05,944 INFO L78 Accepts]: Start accepts. Automaton has 8087 states and 10801 transitions. Word has length 85 [2024-11-09 23:54:05,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:05,944 INFO L471 AbstractCegarLoop]: Abstraction has 8087 states and 10801 transitions. [2024-11-09 23:54:05,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 8087 states and 10801 transitions. [2024-11-09 23:54:05,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 23:54:05,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:05,950 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:05,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 23:54:05,950 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:05,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:05,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1381788865, now seen corresponding path program 1 times [2024-11-09 23:54:05,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:05,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231120996] [2024-11-09 23:54:05,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:05,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:06,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:06,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231120996] [2024-11-09 23:54:06,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231120996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:06,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:06,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:06,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349706869] [2024-11-09 23:54:06,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:06,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:06,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:06,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:06,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:06,053 INFO L87 Difference]: Start difference. First operand 8087 states and 10801 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:06,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:06,125 INFO L93 Difference]: Finished difference Result 21143 states and 28511 transitions. [2024-11-09 23:54:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:06,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-09 23:54:06,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:06,143 INFO L225 Difference]: With dead ends: 21143 [2024-11-09 23:54:06,143 INFO L226 Difference]: Without dead ends: 14095 [2024-11-09 23:54:06,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:06,153 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 159 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:06,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 776 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:06,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14095 states. [2024-11-09 23:54:06,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14095 to 12957. [2024-11-09 23:54:06,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12957 states, 12956 states have (on average 1.3393794380981785) internal successors, (17353), 12956 states have internal predecessors, (17353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12957 states to 12957 states and 17353 transitions. [2024-11-09 23:54:06,305 INFO L78 Accepts]: Start accepts. Automaton has 12957 states and 17353 transitions. Word has length 86 [2024-11-09 23:54:06,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:06,305 INFO L471 AbstractCegarLoop]: Abstraction has 12957 states and 17353 transitions. [2024-11-09 23:54:06,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:06,305 INFO L276 IsEmpty]: Start isEmpty. Operand 12957 states and 17353 transitions. [2024-11-09 23:54:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 23:54:06,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:06,311 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:06,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 23:54:06,312 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:06,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:06,312 INFO L85 PathProgramCache]: Analyzing trace with hash -441396469, now seen corresponding path program 1 times [2024-11-09 23:54:06,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:06,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570212611] [2024-11-09 23:54:06,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:06,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:06,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:06,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:06,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570212611] [2024-11-09 23:54:06,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570212611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:06,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:06,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:06,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541086587] [2024-11-09 23:54:06,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:06,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:06,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:06,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:06,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:06,409 INFO L87 Difference]: Start difference. First operand 12957 states and 17353 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:06,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:06,516 INFO L93 Difference]: Finished difference Result 35401 states and 47635 transitions. [2024-11-09 23:54:06,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:06,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-09 23:54:06,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:06,539 INFO L225 Difference]: With dead ends: 35401 [2024-11-09 23:54:06,540 INFO L226 Difference]: Without dead ends: 23483 [2024-11-09 23:54:06,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:06,552 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 141 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:06,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 766 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:06,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23483 states. [2024-11-09 23:54:06,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23483 to 21365. [2024-11-09 23:54:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21365 states, 21364 states have (on average 1.3379985021531549) internal successors, (28585), 21364 states have internal predecessors, (28585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21365 states to 21365 states and 28585 transitions. [2024-11-09 23:54:06,797 INFO L78 Accepts]: Start accepts. Automaton has 21365 states and 28585 transitions. Word has length 87 [2024-11-09 23:54:06,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:06,797 INFO L471 AbstractCegarLoop]: Abstraction has 21365 states and 28585 transitions. [2024-11-09 23:54:06,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 21365 states and 28585 transitions. [2024-11-09 23:54:06,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 23:54:06,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:06,802 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:06,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 23:54:06,802 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:06,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:06,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1608349755, now seen corresponding path program 1 times [2024-11-09 23:54:06,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:06,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62153663] [2024-11-09 23:54:06,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:06,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:06,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:06,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:06,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62153663] [2024-11-09 23:54:06,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62153663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:06,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:06,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:06,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846967269] [2024-11-09 23:54:06,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:06,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:06,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:06,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:06,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:06,868 INFO L87 Difference]: Start difference. First operand 21365 states and 28585 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:06,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:06,955 INFO L93 Difference]: Finished difference Result 28534 states and 37996 transitions. [2024-11-09 23:54:06,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:06,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-09 23:54:06,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:06,978 INFO L225 Difference]: With dead ends: 28534 [2024-11-09 23:54:06,978 INFO L226 Difference]: Without dead ends: 18864 [2024-11-09 23:54:06,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:06,991 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 252 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:06,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 822 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18864 states. [2024-11-09 23:54:07,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18864 to 18862. [2024-11-09 23:54:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18862 states, 18861 states have (on average 1.3193361963840728) internal successors, (24884), 18861 states have internal predecessors, (24884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:07,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18862 states to 18862 states and 24884 transitions. [2024-11-09 23:54:07,194 INFO L78 Accepts]: Start accepts. Automaton has 18862 states and 24884 transitions. Word has length 90 [2024-11-09 23:54:07,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:07,194 INFO L471 AbstractCegarLoop]: Abstraction has 18862 states and 24884 transitions. [2024-11-09 23:54:07,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand 18862 states and 24884 transitions. [2024-11-09 23:54:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 23:54:07,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:07,200 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:07,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 23:54:07,200 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:07,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:07,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1989964951, now seen corresponding path program 1 times [2024-11-09 23:54:07,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:07,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985588889] [2024-11-09 23:54:07,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:07,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:07,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:07,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985588889] [2024-11-09 23:54:07,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985588889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:07,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:07,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:07,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799607412] [2024-11-09 23:54:07,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:07,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:07,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:07,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:07,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:07,327 INFO L87 Difference]: Start difference. First operand 18862 states and 24884 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:07,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:07,511 INFO L93 Difference]: Finished difference Result 53234 states and 70326 transitions. [2024-11-09 23:54:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:07,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-09 23:54:07,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:07,560 INFO L225 Difference]: With dead ends: 53234 [2024-11-09 23:54:07,560 INFO L226 Difference]: Without dead ends: 35336 [2024-11-09 23:54:07,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:07,585 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 111 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:07,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 761 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:07,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35336 states. [2024-11-09 23:54:07,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35336 to 33350. [2024-11-09 23:54:07,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33350 states, 33349 states have (on average 1.3113436684758164) internal successors, (43732), 33349 states have internal predecessors, (43732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33350 states to 33350 states and 43732 transitions. [2024-11-09 23:54:07,957 INFO L78 Accepts]: Start accepts. Automaton has 33350 states and 43732 transitions. Word has length 90 [2024-11-09 23:54:07,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:07,957 INFO L471 AbstractCegarLoop]: Abstraction has 33350 states and 43732 transitions. [2024-11-09 23:54:07,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 33350 states and 43732 transitions. [2024-11-09 23:54:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 23:54:07,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:07,964 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:07,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 23:54:07,965 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:07,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:07,966 INFO L85 PathProgramCache]: Analyzing trace with hash -196149617, now seen corresponding path program 1 times [2024-11-09 23:54:07,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:07,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136562758] [2024-11-09 23:54:07,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:07,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:08,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:08,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:08,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136562758] [2024-11-09 23:54:08,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136562758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:08,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:08,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:54:08,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448974750] [2024-11-09 23:54:08,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:08,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:54:08,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:08,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:54:08,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:54:08,195 INFO L87 Difference]: Start difference. First operand 33350 states and 43732 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 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) [2024-11-09 23:54:08,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:08,308 INFO L93 Difference]: Finished difference Result 36296 states and 47413 transitions. [2024-11-09 23:54:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:54:08,308 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 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 [2024-11-09 23:54:08,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:08,355 INFO L225 Difference]: With dead ends: 36296 [2024-11-09 23:54:08,356 INFO L226 Difference]: Without dead ends: 36294 [2024-11-09 23:54:08,369 INFO L431 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 [2024-11-09 23:54:08,370 INFO L432 NwaCegarLoop]: 387 mSDtfsCounter, 0 mSDsluCounter, 1538 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1925 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:08,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1925 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:08,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36294 states. [2024-11-09 23:54:08,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36294 to 36294. [2024-11-09 23:54:08,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36294 states, 36293 states have (on average 1.2860882263797426) internal successors, (46676), 36293 states have internal predecessors, (46676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:08,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36294 states to 36294 states and 46676 transitions. [2024-11-09 23:54:08,825 INFO L78 Accepts]: Start accepts. Automaton has 36294 states and 46676 transitions. Word has length 91 [2024-11-09 23:54:08,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:08,825 INFO L471 AbstractCegarLoop]: Abstraction has 36294 states and 46676 transitions. [2024-11-09 23:54:08,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 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) [2024-11-09 23:54:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 36294 states and 46676 transitions. [2024-11-09 23:54:08,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 23:54:08,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:08,829 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:08,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-09 23:54:08,829 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:08,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:08,830 INFO L85 PathProgramCache]: Analyzing trace with hash -611514918, now seen corresponding path program 1 times [2024-11-09 23:54:08,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:08,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257547914] [2024-11-09 23:54:08,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:08,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:09,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:09,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257547914] [2024-11-09 23:54:09,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257547914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:09,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:09,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:09,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136911025] [2024-11-09 23:54:09,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:09,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:09,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:09,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:09,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:09,051 INFO L87 Difference]: Start difference. First operand 36294 states and 46676 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:09,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:09,318 INFO L93 Difference]: Finished difference Result 99402 states and 127894 transitions. [2024-11-09 23:54:09,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:09,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-09 23:54:09,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:09,548 INFO L225 Difference]: With dead ends: 99402 [2024-11-09 23:54:09,549 INFO L226 Difference]: Without dead ends: 64072 [2024-11-09 23:54:09,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:09,578 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 269 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:09,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 569 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:09,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64072 states. [2024-11-09 23:54:10,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64072 to 63334. [2024-11-09 23:54:10,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63334 states, 63333 states have (on average 1.2652487644671815) internal successors, (80132), 63333 states have internal predecessors, (80132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:10,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63334 states to 63334 states and 80132 transitions. [2024-11-09 23:54:10,234 INFO L78 Accepts]: Start accepts. Automaton has 63334 states and 80132 transitions. Word has length 92 [2024-11-09 23:54:10,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:10,234 INFO L471 AbstractCegarLoop]: Abstraction has 63334 states and 80132 transitions. [2024-11-09 23:54:10,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:10,234 INFO L276 IsEmpty]: Start isEmpty. Operand 63334 states and 80132 transitions. [2024-11-09 23:54:10,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 23:54:10,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:10,239 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:10,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-09 23:54:10,240 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:10,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:10,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1847380181, now seen corresponding path program 1 times [2024-11-09 23:54:10,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:10,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588587841] [2024-11-09 23:54:10,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:10,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:10,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:10,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588587841] [2024-11-09 23:54:10,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588587841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:10,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:10,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:10,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311041713] [2024-11-09 23:54:10,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:10,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:10,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:10,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:10,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:10,592 INFO L87 Difference]: Start difference. First operand 63334 states and 80132 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:11,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:11,246 INFO L93 Difference]: Finished difference Result 162938 states and 205430 transitions. [2024-11-09 23:54:11,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:11,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-09 23:54:11,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:11,361 INFO L225 Difference]: With dead ends: 162938 [2024-11-09 23:54:11,362 INFO L226 Difference]: Without dead ends: 100568 [2024-11-09 23:54:11,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:11,394 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 170 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:11,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 793 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:11,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100568 states. [2024-11-09 23:54:12,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100568 to 94166. [2024-11-09 23:54:12,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94166 states, 94165 states have (on average 1.249763712632082) internal successors, (117684), 94165 states have internal predecessors, (117684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:12,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94166 states to 94166 states and 117684 transitions. [2024-11-09 23:54:12,905 INFO L78 Accepts]: Start accepts. Automaton has 94166 states and 117684 transitions. Word has length 94 [2024-11-09 23:54:12,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:12,905 INFO L471 AbstractCegarLoop]: Abstraction has 94166 states and 117684 transitions. [2024-11-09 23:54:12,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:12,905 INFO L276 IsEmpty]: Start isEmpty. Operand 94166 states and 117684 transitions. [2024-11-09 23:54:12,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 23:54:12,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:12,910 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:12,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-09 23:54:12,910 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:12,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:12,913 INFO L85 PathProgramCache]: Analyzing trace with hash 329298134, now seen corresponding path program 1 times [2024-11-09 23:54:12,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:12,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503251547] [2024-11-09 23:54:12,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:12,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:13,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:13,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503251547] [2024-11-09 23:54:13,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503251547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:13,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:13,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:54:13,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432050384] [2024-11-09 23:54:13,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:13,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:54:13,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:13,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:54:13,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:54:13,078 INFO L87 Difference]: Start difference. First operand 94166 states and 117684 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:13,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:13,457 INFO L93 Difference]: Finished difference Result 151860 states and 190669 transitions. [2024-11-09 23:54:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:54:13,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-09 23:54:13,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:13,891 INFO L225 Difference]: With dead ends: 151860 [2024-11-09 23:54:13,892 INFO L226 Difference]: Without dead ends: 132490 [2024-11-09 23:54:13,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:54:13,930 INFO L432 NwaCegarLoop]: 485 mSDtfsCounter, 1420 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1420 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:13,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1420 Valid, 1349 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:54:13,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132490 states. [2024-11-09 23:54:15,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132490 to 109118. [2024-11-09 23:54:15,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109118 states, 109117 states have (on average 1.2477249191235096) internal successors, (136148), 109117 states have internal predecessors, (136148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:15,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109118 states to 109118 states and 136148 transitions. [2024-11-09 23:54:15,273 INFO L78 Accepts]: Start accepts. Automaton has 109118 states and 136148 transitions. Word has length 94 [2024-11-09 23:54:15,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:15,273 INFO L471 AbstractCegarLoop]: Abstraction has 109118 states and 136148 transitions. [2024-11-09 23:54:15,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:15,273 INFO L276 IsEmpty]: Start isEmpty. Operand 109118 states and 136148 transitions. [2024-11-09 23:54:15,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 23:54:15,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:15,277 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:15,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-09 23:54:15,278 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:15,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:15,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1921388542, now seen corresponding path program 1 times [2024-11-09 23:54:15,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:15,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183234521] [2024-11-09 23:54:15,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:15,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:15,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:15,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183234521] [2024-11-09 23:54:15,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183234521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:15,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:15,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:54:15,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73952107] [2024-11-09 23:54:15,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:15,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:54:15,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:15,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:54:15,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:54:15,436 INFO L87 Difference]: Start difference. First operand 109118 states and 136148 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-09 23:54:15,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:15,996 INFO L93 Difference]: Finished difference Result 158100 states and 198109 transitions. [2024-11-09 23:54:15,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:54:15,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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 [2024-11-09 23:54:15,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:16,570 INFO L225 Difference]: With dead ends: 158100 [2024-11-09 23:54:16,570 INFO L226 Difference]: Without dead ends: 138730 [2024-11-09 23:54:16,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:54:16,591 INFO L432 NwaCegarLoop]: 487 mSDtfsCounter, 1420 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1420 SdHoareTripleChecker+Valid, 1335 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:16,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1420 Valid, 1335 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:54:16,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138730 states. [2024-11-09 23:54:17,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138730 to 124070. [2024-11-09 23:54:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124070 states, 124069 states have (on average 1.2461775302452667) internal successors, (154612), 124069 states have internal predecessors, (154612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:18,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124070 states to 124070 states and 154612 transitions. [2024-11-09 23:54:18,023 INFO L78 Accepts]: Start accepts. Automaton has 124070 states and 154612 transitions. Word has length 95 [2024-11-09 23:54:18,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:18,024 INFO L471 AbstractCegarLoop]: Abstraction has 124070 states and 154612 transitions. [2024-11-09 23:54:18,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-09 23:54:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 124070 states and 154612 transitions. [2024-11-09 23:54:18,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 23:54:18,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:18,028 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:18,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-09 23:54:18,028 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:18,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:18,029 INFO L85 PathProgramCache]: Analyzing trace with hash -57285664, now seen corresponding path program 1 times [2024-11-09 23:54:18,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:18,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183163224] [2024-11-09 23:54:18,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:18,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:18,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:18,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:18,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183163224] [2024-11-09 23:54:18,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183163224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:18,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:18,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:54:18,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144334857] [2024-11-09 23:54:18,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:18,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:54:18,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:18,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:54:18,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:54:18,585 INFO L87 Difference]: Start difference. First operand 124070 states and 154612 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:19,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:19,075 INFO L93 Difference]: Finished difference Result 184044 states and 230533 transitions. [2024-11-09 23:54:19,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:54:19,075 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-09 23:54:19,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:19,247 INFO L225 Difference]: With dead ends: 184044 [2024-11-09 23:54:19,247 INFO L226 Difference]: Without dead ends: 154774 [2024-11-09 23:54:19,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:54:19,302 INFO L432 NwaCegarLoop]: 494 mSDtfsCounter, 1425 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1425 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:19,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1425 Valid, 1299 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:54:19,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154774 states. [2024-11-09 23:54:21,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154774 to 144450. [2024-11-09 23:54:21,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144450 states, 144449 states have (on average 1.2443422938199642) internal successors, (179744), 144449 states have internal predecessors, (179744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:21,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144450 states to 144450 states and 179744 transitions. [2024-11-09 23:54:21,605 INFO L78 Accepts]: Start accepts. Automaton has 144450 states and 179744 transitions. Word has length 101 [2024-11-09 23:54:21,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:21,605 INFO L471 AbstractCegarLoop]: Abstraction has 144450 states and 179744 transitions. [2024-11-09 23:54:21,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:21,605 INFO L276 IsEmpty]: Start isEmpty. Operand 144450 states and 179744 transitions. [2024-11-09 23:54:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 23:54:21,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:21,621 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:21,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-09 23:54:21,621 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:21,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:21,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1576143378, now seen corresponding path program 1 times [2024-11-09 23:54:21,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:21,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763249771] [2024-11-09 23:54:21,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:21,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:21,734 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:21,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:21,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763249771] [2024-11-09 23:54:21,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763249771] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:54:21,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432860997] [2024-11-09 23:54:21,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:21,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:54:21,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:54:21,744 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) [2024-11-09 23:54:21,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 23:54:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:22,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:54:22,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:54:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:22,380 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:54:22,560 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:22,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432860997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:54:22,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:54:22,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-09 23:54:22,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385847851] [2024-11-09 23:54:22,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:54:22,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 23:54:22,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:22,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 23:54:22,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-09 23:54:22,562 INFO L87 Difference]: Start difference. First operand 144450 states and 179744 transitions. Second operand has 14 states, 14 states have (on average 22.357142857142858) internal successors, (313), 14 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:24,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:24,252 INFO L93 Difference]: Finished difference Result 303442 states and 378254 transitions. [2024-11-09 23:54:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:54:24,253 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 22.357142857142858) internal successors, (313), 14 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2024-11-09 23:54:24,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:24,440 INFO L225 Difference]: With dead ends: 303442 [2024-11-09 23:54:24,440 INFO L226 Difference]: Without dead ends: 159956 [2024-11-09 23:54:24,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 230 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:54:24,519 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 4050 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4050 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:24,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4050 Valid, 1403 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:54:24,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159956 states. [2024-11-09 23:54:26,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159956 to 139722. [2024-11-09 23:54:26,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139722 states, 139721 states have (on average 1.2260433292060606) internal successors, (171304), 139721 states have internal predecessors, (171304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139722 states to 139722 states and 171304 transitions. [2024-11-09 23:54:26,887 INFO L78 Accepts]: Start accepts. Automaton has 139722 states and 171304 transitions. Word has length 119 [2024-11-09 23:54:26,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:26,887 INFO L471 AbstractCegarLoop]: Abstraction has 139722 states and 171304 transitions. [2024-11-09 23:54:26,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 22.357142857142858) internal successors, (313), 14 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:26,888 INFO L276 IsEmpty]: Start isEmpty. Operand 139722 states and 171304 transitions. [2024-11-09 23:54:26,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 23:54:26,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:26,909 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:26,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 23:54:27,110 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,SelfDestructingSolverStorable44 [2024-11-09 23:54:27,111 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:27,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:27,111 INFO L85 PathProgramCache]: Analyzing trace with hash 750932916, now seen corresponding path program 1 times [2024-11-09 23:54:27,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:27,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098072901] [2024-11-09 23:54:27,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:27,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:27,668 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:27,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:27,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098072901] [2024-11-09 23:54:27,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098072901] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:54:27,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308556726] [2024-11-09 23:54:27,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:27,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:54:27,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:54:27,671 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) [2024-11-09 23:54:27,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 23:54:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:27,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 23:54:27,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:54:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 23:54:28,403 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:54:28,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308556726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:28,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:54:28,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 19 [2024-11-09 23:54:28,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619559756] [2024-11-09 23:54:28,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:28,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:54:28,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:28,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:54:28,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-11-09 23:54:28,405 INFO L87 Difference]: Start difference. First operand 139722 states and 171304 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:30,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:30,001 INFO L93 Difference]: Finished difference Result 275782 states and 338426 transitions. [2024-11-09 23:54:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:54:30,001 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 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 120 [2024-11-09 23:54:30,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:30,276 INFO L225 Difference]: With dead ends: 275782 [2024-11-09 23:54:30,276 INFO L226 Difference]: Without dead ends: 207944 [2024-11-09 23:54:30,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-11-09 23:54:30,354 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 1565 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:30,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1565 Valid, 1036 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:54:30,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207944 states. [2024-11-09 23:54:32,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207944 to 139698. [2024-11-09 23:54:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139698 states, 139697 states have (on average 1.2259962633413746) internal successors, (171268), 139697 states have internal predecessors, (171268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139698 states to 139698 states and 171268 transitions. [2024-11-09 23:54:32,849 INFO L78 Accepts]: Start accepts. Automaton has 139698 states and 171268 transitions. Word has length 120 [2024-11-09 23:54:32,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:32,850 INFO L471 AbstractCegarLoop]: Abstraction has 139698 states and 171268 transitions. [2024-11-09 23:54:32,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 139698 states and 171268 transitions. [2024-11-09 23:54:32,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 23:54:32,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:32,867 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:32,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 23:54:33,067 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,SelfDestructingSolverStorable45 [2024-11-09 23:54:33,068 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:33,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:33,068 INFO L85 PathProgramCache]: Analyzing trace with hash 824201003, now seen corresponding path program 1 times [2024-11-09 23:54:33,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:33,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721431756] [2024-11-09 23:54:33,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:33,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:33,479 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:33,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:33,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721431756] [2024-11-09 23:54:33,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721431756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:54:33,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771764990] [2024-11-09 23:54:33,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:33,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:54:33,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:54:33,483 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) [2024-11-09 23:54:33,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 23:54:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:33,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 23:54:33,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:54:34,105 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 23:54:34,106 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:54:34,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771764990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:34,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:54:34,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 19 [2024-11-09 23:54:34,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172691600] [2024-11-09 23:54:34,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:34,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:54:34,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:34,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:54:34,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-11-09 23:54:34,107 INFO L87 Difference]: Start difference. First operand 139698 states and 171268 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:35,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:35,591 INFO L93 Difference]: Finished difference Result 230501 states and 282866 transitions. [2024-11-09 23:54:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:54:35,592 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 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 120 [2024-11-09 23:54:35,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:35,800 INFO L225 Difference]: With dead ends: 230501 [2024-11-09 23:54:35,800 INFO L226 Difference]: Without dead ends: 177699 [2024-11-09 23:54:35,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-11-09 23:54:35,851 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 1532 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:35,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 1017 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:54:35,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177699 states. [2024-11-09 23:54:37,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177699 to 139646. [2024-11-09 23:54:37,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139646 states, 139645 states have (on average 1.2259658419563895) internal successors, (171200), 139645 states have internal predecessors, (171200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139646 states to 139646 states and 171200 transitions. [2024-11-09 23:54:37,834 INFO L78 Accepts]: Start accepts. Automaton has 139646 states and 171200 transitions. Word has length 120 [2024-11-09 23:54:37,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:37,835 INFO L471 AbstractCegarLoop]: Abstraction has 139646 states and 171200 transitions. [2024-11-09 23:54:37,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 139646 states and 171200 transitions. [2024-11-09 23:54:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 23:54:37,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:37,851 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:37,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 23:54:38,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:54:38,052 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:38,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:38,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1418525687, now seen corresponding path program 1 times [2024-11-09 23:54:38,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:38,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726394469] [2024-11-09 23:54:38,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:38,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms