./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-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.7.ufo.UNBOUNDED.pals.c.v+nlh-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 b8f11c58bd911b111c6f04ca73beac7abb77a983b1f6790a335f756f9ecfba15 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 00:04:28,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 00:04:28,269 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 00:04:28,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 00:04:28,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 00:04:28,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 00:04:28,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 00:04:28,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 00:04:28,301 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 00:04:28,301 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 00:04:28,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 00:04:28,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 00:04:28,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 00:04:28,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 00:04:28,303 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 00:04:28,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 00:04:28,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 00:04:28,304 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 00:04:28,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 00:04:28,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 00:04:28,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 00:04:28,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 00:04:28,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 00:04:28,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 00:04:28,307 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 00:04:28,308 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 00:04:28,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 00:04:28,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 00:04:28,308 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 00:04:28,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 00:04:28,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 00:04:28,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 00:04:28,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:04:28,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 00:04:28,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 00:04:28,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 00:04:28,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 00:04:28,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 00:04:28,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 00:04:28,312 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 00:04:28,314 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 00:04:28,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 00:04:28,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8f11c58bd911b111c6f04ca73beac7abb77a983b1f6790a335f756f9ecfba15 [2024-11-10 00:04:28,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 00:04:28,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 00:04:28,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 00:04:28,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 00:04:28,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 00:04:28,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2024-11-10 00:04:30,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 00:04:30,357 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 00:04:30,357 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2024-11-10 00:04:30,373 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d477e6b50/c5ec42558dbf40958767d7287920ed5c/FLAGb9d5cc6b6 [2024-11-10 00:04:30,708 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d477e6b50/c5ec42558dbf40958767d7287920ed5c [2024-11-10 00:04:30,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 00:04:30,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 00:04:30,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 00:04:30,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 00:04:30,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 00:04:30,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:04:30" (1/1) ... [2024-11-10 00:04:30,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@261707b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:30, skipping insertion in model container [2024-11-10 00:04:30,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:04:30" (1/1) ... [2024-11-10 00:04:30,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 00:04:31,088 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.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10376,10389] [2024-11-10 00:04:31,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:04:31,173 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 00:04:31,240 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.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10376,10389] [2024-11-10 00:04:31,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:04:31,293 INFO L204 MainTranslator]: Completed translation [2024-11-10 00:04:31,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31 WrapperNode [2024-11-10 00:04:31,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 00:04:31,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 00:04:31,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 00:04:31,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 00:04:31,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31" (1/1) ... [2024-11-10 00:04:31,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31" (1/1) ... [2024-11-10 00:04:31,364 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 902 [2024-11-10 00:04:31,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 00:04:31,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 00:04:31,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 00:04:31,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 00:04:31,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31" (1/1) ... [2024-11-10 00:04:31,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31" (1/1) ... [2024-11-10 00:04:31,384 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31" (1/1) ... [2024-11-10 00:04:31,407 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 00:04:31,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31" (1/1) ... [2024-11-10 00:04:31,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31" (1/1) ... [2024-11-10 00:04:31,422 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31" (1/1) ... [2024-11-10 00:04:31,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31" (1/1) ... [2024-11-10 00:04:31,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31" (1/1) ... [2024-11-10 00:04:31,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31" (1/1) ... [2024-11-10 00:04:31,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 00:04:31,435 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 00:04:31,436 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 00:04:31,436 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 00:04:31,436 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31" (1/1) ... [2024-11-10 00:04:31,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:04:31,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:04:31,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 00:04:31,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 00:04:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 00:04:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 00:04:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 00:04:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 00:04:31,639 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 00:04:31,640 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 00:04:32,434 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L415: havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:04:32,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L415: havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:04:32,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L415: havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:04:32,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L415: havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:04:32,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L283: havoc main_~node3__m3~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:32,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L283: havoc main_~node3__m3~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:32,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L301: havoc main_~node4__m4~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:32,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L301: havoc main_~node4__m4~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:32,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L450: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-10 00:04:32,437 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L450: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-10 00:04:32,437 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L450: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-10 00:04:32,440 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L450: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-10 00:04:32,440 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L814: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-10 00:04:32,440 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L583: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-10 00:04:32,440 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L583: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-10 00:04:32,441 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L583: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-10 00:04:32,441 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L583: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-10 00:04:32,441 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L319: havoc main_~node5__m5~0#1;havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:32,441 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L319: havoc main_~node5__m5~0#1;havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:32,441 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L551: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:04:32,441 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L551: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:04:32,441 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L551: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:04:32,441 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L551: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:04:32,441 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L551: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:04:32,442 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L337: havoc main_~node6__m6~0#1;havoc main_~node5____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:32,442 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L337: havoc main_~node6__m6~0#1;havoc main_~node5____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:32,442 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L769: havoc main_~node4____CPAchecker_TMP_0~1#1; [2024-11-10 00:04:32,442 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L507: havoc main_~node7__m7~1#1;havoc main_~node6__m6~1#1; [2024-11-10 00:04:32,442 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L507: havoc main_~node7__m7~1#1;havoc main_~node6__m6~1#1; [2024-11-10 00:04:32,443 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L507: havoc main_~node7__m7~1#1;havoc main_~node6__m6~1#1; [2024-11-10 00:04:32,443 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L507: havoc main_~node7__m7~1#1;havoc main_~node6__m6~1#1; [2024-11-10 00:04:32,443 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L724: havoc main_~node5____CPAchecker_TMP_0~1#1; [2024-11-10 00:04:32,443 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L478: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-10 00:04:32,444 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L478: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-10 00:04:32,444 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L478: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-10 00:04:32,444 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L478: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-10 00:04:32,445 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L990: havoc main_~node7____CPAchecker_TMP_0~1#1; [2024-11-10 00:04:32,445 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,445 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,445 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,445 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,445 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,446 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,446 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,446 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,446 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,446 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,446 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,447 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,447 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,447 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,447 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,447 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,447 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,447 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,448 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,448 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,448 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,448 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,448 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,448 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,449 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,449 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,449 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,449 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,449 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,449 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,449 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,449 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,450 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,450 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,450 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,450 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,450 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,450 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,450 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,450 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,450 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,450 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,451 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,451 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,451 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,451 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,451 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,454 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,454 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,454 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,454 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:32,454 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L363: havoc main_~node7____CPAchecker_TMP_0~0#1;havoc main_~node7__m7~0#1;havoc main_~node6____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:32,454 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L363: havoc main_~node7____CPAchecker_TMP_0~0#1;havoc main_~node7__m7~0#1;havoc main_~node6____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:32,454 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L859: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-10 00:04:32,454 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L909: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-10 00:04:32,454 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L265: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:32,455 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L265: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:32,455 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L679: havoc main_~node6____CPAchecker_TMP_0~1#1;havoc main_~node6__m6~2#1;havoc main_~node5__m5~2#1; [2024-11-10 00:04:32,455 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L679: havoc main_~node6____CPAchecker_TMP_0~1#1;havoc main_~node6__m6~2#1;havoc main_~node5__m5~2#1; [2024-11-10 00:04:32,455 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L679: havoc main_~node6____CPAchecker_TMP_0~1#1;havoc main_~node6__m6~2#1;havoc main_~node5__m5~2#1; [2024-11-10 00:04:32,455 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L613: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-10 00:04:32,455 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L613: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-10 00:04:32,455 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L613: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-10 00:04:32,558 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2024-11-10 00:04:32,558 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 00:04:32,611 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 00:04:32,612 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 00:04:32,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:04:32 BoogieIcfgContainer [2024-11-10 00:04:32,613 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 00:04:32,617 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 00:04:32,617 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 00:04:32,620 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 00:04:32,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:04:30" (1/3) ... [2024-11-10 00:04:32,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc08cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:04:32, skipping insertion in model container [2024-11-10 00:04:32,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:31" (2/3) ... [2024-11-10 00:04:32,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc08cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:04:32, skipping insertion in model container [2024-11-10 00:04:32,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:04:32" (3/3) ... [2024-11-10 00:04:32,625 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2024-11-10 00:04:32,640 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 00:04:32,640 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 00:04:32,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 00:04:32,716 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;@299e9e54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 00:04:32,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 00:04:32,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.7450980392156863) internal successors, (356), 205 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:32,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 00:04:32,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:32,735 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:32,736 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:32,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:32,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1374644687, now seen corresponding path program 1 times [2024-11-10 00:04:32,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:32,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013429870] [2024-11-10 00:04:32,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:32,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:33,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:33,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:33,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013429870] [2024-11-10 00:04:33,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013429870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:33,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:33,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:33,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818440544] [2024-11-10 00:04:33,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:33,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 00:04:33,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:33,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 00:04:33,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-10 00:04:33,724 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.7450980392156863) internal successors, (356), 205 states have internal predecessors, (356), 0 states have call successors, (0), 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 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:34,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:34,549 INFO L93 Difference]: Finished difference Result 1501 states and 2389 transitions. [2024-11-10 00:04:34,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 00:04:34,552 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2024-11-10 00:04:34,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:34,578 INFO L225 Difference]: With dead ends: 1501 [2024-11-10 00:04:34,578 INFO L226 Difference]: Without dead ends: 1388 [2024-11-10 00:04:34,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2024-11-10 00:04:34,586 INFO L432 NwaCegarLoop]: 978 mSDtfsCounter, 2592 mSDsluCounter, 6838 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2592 SdHoareTripleChecker+Valid, 7816 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:34,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2592 Valid, 7816 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 00:04:34,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2024-11-10 00:04:34,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 311. [2024-11-10 00:04:34,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 310 states have (on average 1.4387096774193548) internal successors, (446), 310 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:34,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 446 transitions. [2024-11-10 00:04:34,671 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 446 transitions. Word has length 107 [2024-11-10 00:04:34,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:34,672 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 446 transitions. [2024-11-10 00:04:34,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:34,673 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 446 transitions. [2024-11-10 00:04:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 00:04:34,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:34,677 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:34,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 00:04:34,678 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:34,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:34,678 INFO L85 PathProgramCache]: Analyzing trace with hash -196247371, now seen corresponding path program 1 times [2024-11-10 00:04:34,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:34,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097109081] [2024-11-10 00:04:34,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:34,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:35,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:35,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:35,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097109081] [2024-11-10 00:04:35,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097109081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:35,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:35,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:35,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055817212] [2024-11-10 00:04:35,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:35,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 00:04:35,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:35,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 00:04:35,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 00:04:35,122 INFO L87 Difference]: Start difference. First operand 311 states and 446 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:35,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:35,530 INFO L93 Difference]: Finished difference Result 1627 states and 2503 transitions. [2024-11-10 00:04:35,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:04:35,531 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-10 00:04:35,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:35,537 INFO L225 Difference]: With dead ends: 1627 [2024-11-10 00:04:35,537 INFO L226 Difference]: Without dead ends: 1459 [2024-11-10 00:04:35,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-10 00:04:35,541 INFO L432 NwaCegarLoop]: 951 mSDtfsCounter, 1873 mSDsluCounter, 3670 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1873 SdHoareTripleChecker+Valid, 4621 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:35,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1873 Valid, 4621 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:04:35,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1459 states. [2024-11-10 00:04:35,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1459 to 498. [2024-11-10 00:04:35,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 497 states have (on average 1.488933601609658) internal successors, (740), 497 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:35,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 740 transitions. [2024-11-10 00:04:35,588 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 740 transitions. Word has length 109 [2024-11-10 00:04:35,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:35,589 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 740 transitions. [2024-11-10 00:04:35,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:35,589 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 740 transitions. [2024-11-10 00:04:35,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 00:04:35,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:35,591 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:35,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 00:04:35,592 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:35,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:35,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1453416596, now seen corresponding path program 1 times [2024-11-10 00:04:35,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:35,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851585754] [2024-11-10 00:04:35,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:35,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:35,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:35,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:35,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851585754] [2024-11-10 00:04:35,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851585754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:35,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:35,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:35,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178456781] [2024-11-10 00:04:35,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:35,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 00:04:35,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:35,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 00:04:35,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 00:04:35,939 INFO L87 Difference]: Start difference. First operand 498 states and 740 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:36,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:36,290 INFO L93 Difference]: Finished difference Result 1814 states and 2797 transitions. [2024-11-10 00:04:36,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:04:36,291 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-10 00:04:36,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:36,297 INFO L225 Difference]: With dead ends: 1814 [2024-11-10 00:04:36,298 INFO L226 Difference]: Without dead ends: 1646 [2024-11-10 00:04:36,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-10 00:04:36,300 INFO L432 NwaCegarLoop]: 840 mSDtfsCounter, 1868 mSDsluCounter, 2713 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 3553 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:36,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 3553 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:36,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2024-11-10 00:04:36,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 768. [2024-11-10 00:04:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 767 states have (on average 1.517601043024772) internal successors, (1164), 767 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:36,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1164 transitions. [2024-11-10 00:04:36,326 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1164 transitions. Word has length 109 [2024-11-10 00:04:36,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:36,326 INFO L471 AbstractCegarLoop]: Abstraction has 768 states and 1164 transitions. [2024-11-10 00:04:36,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:36,327 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1164 transitions. [2024-11-10 00:04:36,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 00:04:36,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:36,329 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:36,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 00:04:36,329 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:36,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:36,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1267657589, now seen corresponding path program 1 times [2024-11-10 00:04:36,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:36,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010962426] [2024-11-10 00:04:36,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:36,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:36,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:36,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010962426] [2024-11-10 00:04:36,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010962426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:36,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:36,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:36,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465959241] [2024-11-10 00:04:36,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:36,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 00:04:36,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:36,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 00:04:36,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 00:04:36,651 INFO L87 Difference]: Start difference. First operand 768 states and 1164 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:37,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:37,007 INFO L93 Difference]: Finished difference Result 1996 states and 3083 transitions. [2024-11-10 00:04:37,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:04:37,008 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-10 00:04:37,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:37,014 INFO L225 Difference]: With dead ends: 1996 [2024-11-10 00:04:37,014 INFO L226 Difference]: Without dead ends: 1828 [2024-11-10 00:04:37,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-10 00:04:37,016 INFO L432 NwaCegarLoop]: 729 mSDtfsCounter, 1973 mSDsluCounter, 2766 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 3495 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:37,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1973 Valid, 3495 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:37,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2024-11-10 00:04:37,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 950. [2024-11-10 00:04:37,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 949 states have (on average 1.5279241306638567) internal successors, (1450), 949 states have internal predecessors, (1450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:37,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1450 transitions. [2024-11-10 00:04:37,041 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1450 transitions. Word has length 109 [2024-11-10 00:04:37,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:37,041 INFO L471 AbstractCegarLoop]: Abstraction has 950 states and 1450 transitions. [2024-11-10 00:04:37,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1450 transitions. [2024-11-10 00:04:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 00:04:37,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:37,043 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:37,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 00:04:37,044 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:37,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:37,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1890525036, now seen corresponding path program 1 times [2024-11-10 00:04:37,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:37,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691930067] [2024-11-10 00:04:37,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:37,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:37,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:37,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:37,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691930067] [2024-11-10 00:04:37,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691930067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:37,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:37,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:37,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297923087] [2024-11-10 00:04:37,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:37,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 00:04:37,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:37,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 00:04:37,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 00:04:37,310 INFO L87 Difference]: Start difference. First operand 950 states and 1450 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:37,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:37,645 INFO L93 Difference]: Finished difference Result 2173 states and 3361 transitions. [2024-11-10 00:04:37,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:04:37,646 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-10 00:04:37,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:37,652 INFO L225 Difference]: With dead ends: 2173 [2024-11-10 00:04:37,652 INFO L226 Difference]: Without dead ends: 2005 [2024-11-10 00:04:37,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-10 00:04:37,654 INFO L432 NwaCegarLoop]: 618 mSDtfsCounter, 2079 mSDsluCounter, 2602 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2079 SdHoareTripleChecker+Valid, 3220 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:37,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2079 Valid, 3220 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:37,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2024-11-10 00:04:37,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 1127. [2024-11-10 00:04:37,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1126 states have (on average 1.5346358792184724) internal successors, (1728), 1126 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1728 transitions. [2024-11-10 00:04:37,677 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1728 transitions. Word has length 109 [2024-11-10 00:04:37,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:37,678 INFO L471 AbstractCegarLoop]: Abstraction has 1127 states and 1728 transitions. [2024-11-10 00:04:37,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1728 transitions. [2024-11-10 00:04:37,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 00:04:37,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:37,679 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:37,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 00:04:37,680 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:37,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:37,680 INFO L85 PathProgramCache]: Analyzing trace with hash -538483147, now seen corresponding path program 1 times [2024-11-10 00:04:37,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:37,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915997987] [2024-11-10 00:04:37,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:37,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:37,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:37,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:37,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915997987] [2024-11-10 00:04:37,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915997987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:37,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:37,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:37,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259052864] [2024-11-10 00:04:37,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:37,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 00:04:37,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:37,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 00:04:37,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 00:04:37,920 INFO L87 Difference]: Start difference. First operand 1127 states and 1728 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:38,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:38,200 INFO L93 Difference]: Finished difference Result 2345 states and 3631 transitions. [2024-11-10 00:04:38,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:04:38,201 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-10 00:04:38,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:38,209 INFO L225 Difference]: With dead ends: 2345 [2024-11-10 00:04:38,209 INFO L226 Difference]: Without dead ends: 2177 [2024-11-10 00:04:38,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-10 00:04:38,211 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 2492 mSDsluCounter, 2509 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2492 SdHoareTripleChecker+Valid, 3016 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:38,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2492 Valid, 3016 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2177 states. [2024-11-10 00:04:38,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2177 to 1299. [2024-11-10 00:04:38,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1299 states, 1298 states have (on average 1.539291217257319) internal successors, (1998), 1298 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:38,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1998 transitions. [2024-11-10 00:04:38,258 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1998 transitions. Word has length 109 [2024-11-10 00:04:38,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:38,259 INFO L471 AbstractCegarLoop]: Abstraction has 1299 states and 1998 transitions. [2024-11-10 00:04:38,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:38,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1998 transitions. [2024-11-10 00:04:38,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 00:04:38,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:38,261 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:38,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 00:04:38,261 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:38,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:38,262 INFO L85 PathProgramCache]: Analyzing trace with hash 588344749, now seen corresponding path program 1 times [2024-11-10 00:04:38,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:38,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351826604] [2024-11-10 00:04:38,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:38,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:38,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:38,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351826604] [2024-11-10 00:04:38,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351826604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:38,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:38,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:38,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389611159] [2024-11-10 00:04:38,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:38,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 00:04:38,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:38,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 00:04:38,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 00:04:38,513 INFO L87 Difference]: Start difference. First operand 1299 states and 1998 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:38,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:38,813 INFO L93 Difference]: Finished difference Result 2512 states and 3893 transitions. [2024-11-10 00:04:38,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:04:38,814 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-10 00:04:38,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:38,821 INFO L225 Difference]: With dead ends: 2512 [2024-11-10 00:04:38,821 INFO L226 Difference]: Without dead ends: 2344 [2024-11-10 00:04:38,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-10 00:04:38,825 INFO L432 NwaCegarLoop]: 498 mSDtfsCounter, 2178 mSDsluCounter, 3036 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2178 SdHoareTripleChecker+Valid, 3534 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:38,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2178 Valid, 3534 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:38,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states. [2024-11-10 00:04:38,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 1465. [2024-11-10 00:04:38,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1465 states, 1464 states have (on average 1.5430327868852458) internal successors, (2259), 1464 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:38,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 2259 transitions. [2024-11-10 00:04:38,888 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 2259 transitions. Word has length 109 [2024-11-10 00:04:38,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:38,889 INFO L471 AbstractCegarLoop]: Abstraction has 1465 states and 2259 transitions. [2024-11-10 00:04:38,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 2259 transitions. [2024-11-10 00:04:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 00:04:38,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:38,891 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:38,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 00:04:38,891 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:38,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:38,892 INFO L85 PathProgramCache]: Analyzing trace with hash 509583212, now seen corresponding path program 1 times [2024-11-10 00:04:38,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:38,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693415331] [2024-11-10 00:04:38,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:38,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:39,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:39,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693415331] [2024-11-10 00:04:39,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693415331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:39,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:39,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:39,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849654237] [2024-11-10 00:04:39,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:39,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 00:04:39,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:39,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 00:04:39,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 00:04:39,142 INFO L87 Difference]: Start difference. First operand 1465 states and 2259 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:39,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:39,422 INFO L93 Difference]: Finished difference Result 2678 states and 4154 transitions. [2024-11-10 00:04:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:04:39,423 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-10 00:04:39,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:39,430 INFO L225 Difference]: With dead ends: 2678 [2024-11-10 00:04:39,431 INFO L226 Difference]: Without dead ends: 2510 [2024-11-10 00:04:39,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-10 00:04:39,432 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 2267 mSDsluCounter, 3432 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2267 SdHoareTripleChecker+Valid, 3829 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:39,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2267 Valid, 3829 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:39,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2024-11-10 00:04:39,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 1632. [2024-11-10 00:04:39,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1631 states have (on average 1.545677498467198) internal successors, (2521), 1631 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:39,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2521 transitions. [2024-11-10 00:04:39,465 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2521 transitions. Word has length 109 [2024-11-10 00:04:39,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:39,465 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2521 transitions. [2024-11-10 00:04:39,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 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) [2024-11-10 00:04:39,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2521 transitions. [2024-11-10 00:04:39,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-10 00:04:39,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:39,467 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:39,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 00:04:39,467 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:39,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:39,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1895075196, now seen corresponding path program 1 times [2024-11-10 00:04:39,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:39,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948486198] [2024-11-10 00:04:39,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:39,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:39,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:39,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948486198] [2024-11-10 00:04:39,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948486198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:39,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:39,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:39,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044691799] [2024-11-10 00:04:39,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:39,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 00:04:39,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:39,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 00:04:39,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 00:04:39,922 INFO L87 Difference]: Start difference. First operand 1632 states and 2521 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:40,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:40,308 INFO L93 Difference]: Finished difference Result 3047 states and 4742 transitions. [2024-11-10 00:04:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:04:40,309 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2024-11-10 00:04:40,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:40,314 INFO L225 Difference]: With dead ends: 3047 [2024-11-10 00:04:40,314 INFO L226 Difference]: Without dead ends: 1634 [2024-11-10 00:04:40,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2024-11-10 00:04:40,317 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 984 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:40,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 1367 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:40,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2024-11-10 00:04:40,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1632. [2024-11-10 00:04:40,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1631 states have (on average 1.5401594114040467) internal successors, (2512), 1631 states have internal predecessors, (2512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2512 transitions. [2024-11-10 00:04:40,349 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2512 transitions. Word has length 110 [2024-11-10 00:04:40,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:40,349 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2512 transitions. [2024-11-10 00:04:40,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2512 transitions. [2024-11-10 00:04:40,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-10 00:04:40,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:40,351 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:40,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 00:04:40,351 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:40,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:40,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1410005232, now seen corresponding path program 1 times [2024-11-10 00:04:40,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:40,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237547413] [2024-11-10 00:04:40,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:40,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:40,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:40,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237547413] [2024-11-10 00:04:40,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237547413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:40,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:40,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:40,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804162177] [2024-11-10 00:04:40,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:40,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:40,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:40,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:40,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:40,484 INFO L87 Difference]: Start difference. First operand 1632 states and 2512 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:40,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:40,644 INFO L93 Difference]: Finished difference Result 3208 states and 4967 transitions. [2024-11-10 00:04:40,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:40,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2024-11-10 00:04:40,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:40,650 INFO L225 Difference]: With dead ends: 3208 [2024-11-10 00:04:40,650 INFO L226 Difference]: Without dead ends: 1632 [2024-11-10 00:04:40,652 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 [2024-11-10 00:04:40,653 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 755 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:40,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 154 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:40,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-11-10 00:04:40,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1632. [2024-11-10 00:04:40,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1631 states have (on average 1.5291232372777437) internal successors, (2494), 1631 states have internal predecessors, (2494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:40,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2494 transitions. [2024-11-10 00:04:40,684 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2494 transitions. Word has length 111 [2024-11-10 00:04:40,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:40,684 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2494 transitions. [2024-11-10 00:04:40,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:40,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2494 transitions. [2024-11-10 00:04:40,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-10 00:04:40,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:40,687 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:40,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 00:04:40,687 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:40,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:40,688 INFO L85 PathProgramCache]: Analyzing trace with hash -2131751861, now seen corresponding path program 1 times [2024-11-10 00:04:40,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:40,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878654330] [2024-11-10 00:04:40,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:40,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:40,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:40,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:40,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878654330] [2024-11-10 00:04:40,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878654330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:40,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:40,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:40,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966221549] [2024-11-10 00:04:40,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:40,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:40,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:40,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:40,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:40,819 INFO L87 Difference]: Start difference. First operand 1632 states and 2494 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:40,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:40,968 INFO L93 Difference]: Finished difference Result 3196 states and 4917 transitions. [2024-11-10 00:04:40,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:40,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2024-11-10 00:04:40,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:40,973 INFO L225 Difference]: With dead ends: 3196 [2024-11-10 00:04:40,973 INFO L226 Difference]: Without dead ends: 1632 [2024-11-10 00:04:40,975 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 [2024-11-10 00:04:40,976 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 715 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:40,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 178 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:40,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-11-10 00:04:41,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1632. [2024-11-10 00:04:41,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1631 states have (on average 1.518087063151441) internal successors, (2476), 1631 states have internal predecessors, (2476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:41,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2476 transitions. [2024-11-10 00:04:41,035 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2476 transitions. Word has length 112 [2024-11-10 00:04:41,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:41,035 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2476 transitions. [2024-11-10 00:04:41,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:41,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2476 transitions. [2024-11-10 00:04:41,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-10 00:04:41,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:41,037 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:41,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 00:04:41,038 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:41,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:41,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1721418548, now seen corresponding path program 1 times [2024-11-10 00:04:41,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:41,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816082358] [2024-11-10 00:04:41,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:41,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:41,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:41,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816082358] [2024-11-10 00:04:41,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816082358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:41,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:41,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:41,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819491354] [2024-11-10 00:04:41,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:41,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:41,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:41,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:41,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:41,185 INFO L87 Difference]: Start difference. First operand 1632 states and 2476 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:41,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:41,331 INFO L93 Difference]: Finished difference Result 3184 states and 4867 transitions. [2024-11-10 00:04:41,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:41,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2024-11-10 00:04:41,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:41,337 INFO L225 Difference]: With dead ends: 3184 [2024-11-10 00:04:41,338 INFO L226 Difference]: Without dead ends: 1632 [2024-11-10 00:04:41,340 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 [2024-11-10 00:04:41,341 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 676 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:41,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 206 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:41,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-11-10 00:04:41,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1632. [2024-11-10 00:04:41,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1631 states have (on average 1.507050889025138) internal successors, (2458), 1631 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:41,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2458 transitions. [2024-11-10 00:04:41,371 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2458 transitions. Word has length 113 [2024-11-10 00:04:41,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:41,372 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2458 transitions. [2024-11-10 00:04:41,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:41,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2458 transitions. [2024-11-10 00:04:41,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 00:04:41,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:41,373 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:41,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 00:04:41,374 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:41,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:41,374 INFO L85 PathProgramCache]: Analyzing trace with hash -2015676634, now seen corresponding path program 1 times [2024-11-10 00:04:41,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:41,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025643594] [2024-11-10 00:04:41,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:41,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:41,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:41,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025643594] [2024-11-10 00:04:41,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025643594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:41,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:41,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:41,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299578244] [2024-11-10 00:04:41,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:41,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:41,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:41,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:41,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:41,498 INFO L87 Difference]: Start difference. First operand 1632 states and 2458 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:41,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:41,637 INFO L93 Difference]: Finished difference Result 3192 states and 4841 transitions. [2024-11-10 00:04:41,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:41,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2024-11-10 00:04:41,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:41,642 INFO L225 Difference]: With dead ends: 3192 [2024-11-10 00:04:41,643 INFO L226 Difference]: Without dead ends: 1632 [2024-11-10 00:04:41,645 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 [2024-11-10 00:04:41,646 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 691 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:41,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 186 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:41,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-11-10 00:04:41,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1632. [2024-11-10 00:04:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1631 states have (on average 1.496014714898835) internal successors, (2440), 1631 states have internal predecessors, (2440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:41,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2440 transitions. [2024-11-10 00:04:41,716 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2440 transitions. Word has length 114 [2024-11-10 00:04:41,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:41,717 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2440 transitions. [2024-11-10 00:04:41,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:41,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2440 transitions. [2024-11-10 00:04:41,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-10 00:04:41,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:41,719 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:41,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 00:04:41,720 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:41,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:41,720 INFO L85 PathProgramCache]: Analyzing trace with hash -127146701, now seen corresponding path program 1 times [2024-11-10 00:04:41,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:41,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005567571] [2024-11-10 00:04:41,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:41,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:41,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:41,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:41,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005567571] [2024-11-10 00:04:41,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005567571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:41,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:41,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:41,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076157425] [2024-11-10 00:04:41,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:41,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:41,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:41,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:41,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:41,893 INFO L87 Difference]: Start difference. First operand 1632 states and 2440 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:42,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:42,048 INFO L93 Difference]: Finished difference Result 3204 states and 4819 transitions. [2024-11-10 00:04:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:42,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2024-11-10 00:04:42,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:42,059 INFO L225 Difference]: With dead ends: 3204 [2024-11-10 00:04:42,060 INFO L226 Difference]: Without dead ends: 1632 [2024-11-10 00:04:42,062 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 [2024-11-10 00:04:42,063 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 719 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:42,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 162 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:42,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-11-10 00:04:42,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1632. [2024-11-10 00:04:42,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1631 states have (on average 1.4849785407725322) internal successors, (2422), 1631 states have internal predecessors, (2422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:42,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2422 transitions. [2024-11-10 00:04:42,097 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2422 transitions. Word has length 115 [2024-11-10 00:04:42,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:42,097 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2422 transitions. [2024-11-10 00:04:42,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:42,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2422 transitions. [2024-11-10 00:04:42,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-10 00:04:42,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:42,100 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:42,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 00:04:42,100 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:42,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:42,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1801175254, now seen corresponding path program 1 times [2024-11-10 00:04:42,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:42,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709255021] [2024-11-10 00:04:42,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:42,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:42,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:42,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:42,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709255021] [2024-11-10 00:04:42,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709255021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:42,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:42,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:42,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957394539] [2024-11-10 00:04:42,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:42,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:42,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:42,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:42,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:42,229 INFO L87 Difference]: Start difference. First operand 1632 states and 2422 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:42,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:42,379 INFO L93 Difference]: Finished difference Result 3200 states and 4779 transitions. [2024-11-10 00:04:42,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:42,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-10 00:04:42,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:42,383 INFO L225 Difference]: With dead ends: 3200 [2024-11-10 00:04:42,383 INFO L226 Difference]: Without dead ends: 1632 [2024-11-10 00:04:42,389 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 [2024-11-10 00:04:42,390 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 701 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:42,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 170 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:42,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-11-10 00:04:42,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1632. [2024-11-10 00:04:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1631 states have (on average 1.4739423666462292) internal successors, (2404), 1631 states have internal predecessors, (2404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2404 transitions. [2024-11-10 00:04:42,430 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2404 transitions. Word has length 116 [2024-11-10 00:04:42,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:42,430 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2404 transitions. [2024-11-10 00:04:42,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2404 transitions. [2024-11-10 00:04:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-10 00:04:42,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:42,432 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:42,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 00:04:42,432 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:42,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:42,433 INFO L85 PathProgramCache]: Analyzing trace with hash -158495369, now seen corresponding path program 1 times [2024-11-10 00:04:42,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:42,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254331847] [2024-11-10 00:04:42,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:42,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:42,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:42,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:42,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254331847] [2024-11-10 00:04:42,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254331847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:42,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:42,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:42,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774572971] [2024-11-10 00:04:42,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:42,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:42,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:42,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:42,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:42,603 INFO L87 Difference]: Start difference. First operand 1632 states and 2404 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:42,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:42,743 INFO L93 Difference]: Finished difference Result 3188 states and 4731 transitions. [2024-11-10 00:04:42,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:42,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2024-11-10 00:04:42,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:42,747 INFO L225 Difference]: With dead ends: 3188 [2024-11-10 00:04:42,748 INFO L226 Difference]: Without dead ends: 1632 [2024-11-10 00:04:42,750 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 [2024-11-10 00:04:42,751 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 659 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:42,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 194 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:42,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-11-10 00:04:42,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1632. [2024-11-10 00:04:42,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1631 states have (on average 1.4629061925199265) internal successors, (2386), 1631 states have internal predecessors, (2386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:42,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2386 transitions. [2024-11-10 00:04:42,775 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2386 transitions. Word has length 117 [2024-11-10 00:04:42,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:42,776 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2386 transitions. [2024-11-10 00:04:42,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2386 transitions. [2024-11-10 00:04:42,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-10 00:04:42,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:42,777 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:42,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 00:04:42,778 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:42,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:42,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1773017570, now seen corresponding path program 1 times [2024-11-10 00:04:42,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:42,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110324258] [2024-11-10 00:04:42,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:42,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:43,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:43,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:43,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110324258] [2024-11-10 00:04:43,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110324258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:43,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:43,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:43,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630138382] [2024-11-10 00:04:43,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:43,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:43,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:43,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:43,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:43,154 INFO L87 Difference]: Start difference. First operand 1632 states and 2386 transitions. Second operand has 10 states, 10 states have (on average 11.8) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:43,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:43,685 INFO L93 Difference]: Finished difference Result 4591 states and 6754 transitions. [2024-11-10 00:04:43,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:04:43,685 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2024-11-10 00:04:43,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:43,691 INFO L225 Difference]: With dead ends: 4591 [2024-11-10 00:04:43,691 INFO L226 Difference]: Without dead ends: 3141 [2024-11-10 00:04:43,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-10 00:04:43,694 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 1085 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:43,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1085 Valid, 714 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 00:04:43,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3141 states. [2024-11-10 00:04:43,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3141 to 1632. [2024-11-10 00:04:43,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1631 states have (on average 1.4592274678111588) internal successors, (2380), 1631 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:43,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2380 transitions. [2024-11-10 00:04:43,733 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2380 transitions. Word has length 118 [2024-11-10 00:04:43,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:43,734 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2380 transitions. [2024-11-10 00:04:43,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:43,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2380 transitions. [2024-11-10 00:04:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-10 00:04:43,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:43,736 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:43,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 00:04:43,736 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:43,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:43,737 INFO L85 PathProgramCache]: Analyzing trace with hash -858084121, now seen corresponding path program 1 times [2024-11-10 00:04:43,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:43,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446847903] [2024-11-10 00:04:43,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:43,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:44,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:44,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446847903] [2024-11-10 00:04:44,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446847903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:44,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:44,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 00:04:44,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680372698] [2024-11-10 00:04:44,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:44,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 00:04:44,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:44,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 00:04:44,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-10 00:04:44,356 INFO L87 Difference]: Start difference. First operand 1632 states and 2380 transitions. Second operand has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 13 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:45,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:45,171 INFO L93 Difference]: Finished difference Result 4735 states and 6926 transitions. [2024-11-10 00:04:45,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 00:04:45,172 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 13 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2024-11-10 00:04:45,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:45,181 INFO L225 Difference]: With dead ends: 4735 [2024-11-10 00:04:45,181 INFO L226 Difference]: Without dead ends: 3322 [2024-11-10 00:04:45,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2024-11-10 00:04:45,185 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 1596 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:45,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 1082 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 00:04:45,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2024-11-10 00:04:45,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 1745. [2024-11-10 00:04:45,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1744 states have (on average 1.459862385321101) internal successors, (2546), 1744 states have internal predecessors, (2546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:45,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2546 transitions. [2024-11-10 00:04:45,235 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2546 transitions. Word has length 118 [2024-11-10 00:04:45,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:45,235 INFO L471 AbstractCegarLoop]: Abstraction has 1745 states and 2546 transitions. [2024-11-10 00:04:45,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 13 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2546 transitions. [2024-11-10 00:04:45,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-10 00:04:45,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:45,237 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:45,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 00:04:45,238 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:45,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:45,238 INFO L85 PathProgramCache]: Analyzing trace with hash -2111899170, now seen corresponding path program 1 times [2024-11-10 00:04:45,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:45,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347252490] [2024-11-10 00:04:45,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:45,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:45,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:45,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347252490] [2024-11-10 00:04:45,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347252490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:45,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:45,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 00:04:45,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126138741] [2024-11-10 00:04:45,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:45,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 00:04:45,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:45,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 00:04:45,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:04:45,857 INFO L87 Difference]: Start difference. First operand 1745 states and 2546 transitions. Second operand has 13 states, 13 states have (on average 9.076923076923077) internal successors, (118), 12 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:46,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:46,751 INFO L93 Difference]: Finished difference Result 4858 states and 7138 transitions. [2024-11-10 00:04:46,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 00:04:46,752 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.076923076923077) internal successors, (118), 12 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2024-11-10 00:04:46,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:46,759 INFO L225 Difference]: With dead ends: 4858 [2024-11-10 00:04:46,759 INFO L226 Difference]: Without dead ends: 3284 [2024-11-10 00:04:46,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2024-11-10 00:04:46,763 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 969 mSDsluCounter, 1139 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:46,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [969 Valid, 1349 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1141 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 00:04:46,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3284 states. [2024-11-10 00:04:46,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3284 to 1745. [2024-11-10 00:04:46,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1744 states have (on average 1.4564220183486238) internal successors, (2540), 1744 states have internal predecessors, (2540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2540 transitions. [2024-11-10 00:04:46,806 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2540 transitions. Word has length 118 [2024-11-10 00:04:46,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:46,807 INFO L471 AbstractCegarLoop]: Abstraction has 1745 states and 2540 transitions. [2024-11-10 00:04:46,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.076923076923077) internal successors, (118), 12 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2540 transitions. [2024-11-10 00:04:46,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 00:04:46,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:46,809 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:46,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 00:04:46,810 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:46,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:46,810 INFO L85 PathProgramCache]: Analyzing trace with hash 783052800, now seen corresponding path program 1 times [2024-11-10 00:04:46,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:46,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010606951] [2024-11-10 00:04:46,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:46,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:47,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:47,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010606951] [2024-11-10 00:04:47,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010606951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:47,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:47,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 00:04:47,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59552644] [2024-11-10 00:04:47,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:47,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 00:04:47,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:47,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 00:04:47,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:04:47,349 INFO L87 Difference]: Start difference. First operand 1745 states and 2540 transitions. Second operand has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:48,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:48,066 INFO L93 Difference]: Finished difference Result 4722 states and 6920 transitions. [2024-11-10 00:04:48,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 00:04:48,067 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 0 states have call successors, (0), 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 [2024-11-10 00:04:48,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:48,073 INFO L225 Difference]: With dead ends: 4722 [2024-11-10 00:04:48,074 INFO L226 Difference]: Without dead ends: 3278 [2024-11-10 00:04:48,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2024-11-10 00:04:48,078 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 702 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:48,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 1022 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 00:04:48,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3278 states. [2024-11-10 00:04:48,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3278 to 1745. [2024-11-10 00:04:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1744 states have (on average 1.448967889908257) internal successors, (2527), 1744 states have internal predecessors, (2527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2527 transitions. [2024-11-10 00:04:48,116 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2527 transitions. Word has length 119 [2024-11-10 00:04:48,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:48,117 INFO L471 AbstractCegarLoop]: Abstraction has 1745 states and 2527 transitions. [2024-11-10 00:04:48,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2527 transitions. [2024-11-10 00:04:48,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 00:04:48,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:48,119 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:48,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 00:04:48,119 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:48,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:48,120 INFO L85 PathProgramCache]: Analyzing trace with hash -376347899, now seen corresponding path program 1 times [2024-11-10 00:04:48,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:48,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585409581] [2024-11-10 00:04:48,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:48,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:48,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:48,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585409581] [2024-11-10 00:04:48,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585409581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:48,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:48,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 00:04:48,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742499097] [2024-11-10 00:04:48,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:48,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 00:04:48,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:48,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 00:04:48,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:04:48,627 INFO L87 Difference]: Start difference. First operand 1745 states and 2527 transitions. Second operand has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:49,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:49,602 INFO L93 Difference]: Finished difference Result 4897 states and 7147 transitions. [2024-11-10 00:04:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 00:04:49,603 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 0 states have call successors, (0), 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 [2024-11-10 00:04:49,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:49,611 INFO L225 Difference]: With dead ends: 4897 [2024-11-10 00:04:49,611 INFO L226 Difference]: Without dead ends: 3353 [2024-11-10 00:04:49,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2024-11-10 00:04:49,615 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 805 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 1628 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:49,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 1628 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 00:04:49,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3353 states. [2024-11-10 00:04:49,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3353 to 1745. [2024-11-10 00:04:49,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1744 states have (on average 1.4438073394495412) internal successors, (2518), 1744 states have internal predecessors, (2518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:49,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2518 transitions. [2024-11-10 00:04:49,652 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2518 transitions. Word has length 120 [2024-11-10 00:04:49,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:49,653 INFO L471 AbstractCegarLoop]: Abstraction has 1745 states and 2518 transitions. [2024-11-10 00:04:49,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:49,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2518 transitions. [2024-11-10 00:04:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 00:04:49,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:49,655 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:49,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 00:04:49,655 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:49,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:49,655 INFO L85 PathProgramCache]: Analyzing trace with hash 606398446, now seen corresponding path program 1 times [2024-11-10 00:04:49,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:49,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842643111] [2024-11-10 00:04:49,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:49,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:50,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:50,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842643111] [2024-11-10 00:04:50,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842643111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:50,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:50,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:04:50,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730270296] [2024-11-10 00:04:50,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:50,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 00:04:50,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:50,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 00:04:50,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-10 00:04:50,174 INFO L87 Difference]: Start difference. First operand 1745 states and 2518 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:50,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:50,617 INFO L93 Difference]: Finished difference Result 4752 states and 6950 transitions. [2024-11-10 00:04:50,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:04:50,618 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-11-10 00:04:50,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:50,625 INFO L225 Difference]: With dead ends: 4752 [2024-11-10 00:04:50,625 INFO L226 Difference]: Without dead ends: 3158 [2024-11-10 00:04:50,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-11-10 00:04:50,628 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1064 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:50,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 812 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:04:50,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2024-11-10 00:04:50,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 1745. [2024-11-10 00:04:50,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1744 states have (on average 1.4432339449541285) internal successors, (2517), 1744 states have internal predecessors, (2517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:50,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2517 transitions. [2024-11-10 00:04:50,661 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2517 transitions. Word has length 121 [2024-11-10 00:04:50,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:50,661 INFO L471 AbstractCegarLoop]: Abstraction has 1745 states and 2517 transitions. [2024-11-10 00:04:50,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2517 transitions. [2024-11-10 00:04:50,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 00:04:50,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:50,663 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:50,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 00:04:50,664 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:50,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:50,664 INFO L85 PathProgramCache]: Analyzing trace with hash -241018548, now seen corresponding path program 1 times [2024-11-10 00:04:50,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:50,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165162167] [2024-11-10 00:04:50,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:50,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:50,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:50,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:50,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165162167] [2024-11-10 00:04:50,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165162167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:50,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:50,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:50,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892472722] [2024-11-10 00:04:50,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:50,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:50,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:50,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:50,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:50,973 INFO L87 Difference]: Start difference. First operand 1745 states and 2517 transitions. Second operand has 10 states, 10 states have (on average 12.2) internal successors, (122), 9 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:51,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:51,477 INFO L93 Difference]: Finished difference Result 4756 states and 6937 transitions. [2024-11-10 00:04:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:04:51,477 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.2) internal successors, (122), 9 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2024-11-10 00:04:51,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:51,483 INFO L225 Difference]: With dead ends: 4756 [2024-11-10 00:04:51,484 INFO L226 Difference]: Without dead ends: 3343 [2024-11-10 00:04:51,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-10 00:04:51,487 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 966 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 966 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:51,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [966 Valid, 796 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:04:51,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3343 states. [2024-11-10 00:04:51,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3343 to 1656. [2024-11-10 00:04:51,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1656 states, 1655 states have (on average 1.447129909365559) internal successors, (2395), 1655 states have internal predecessors, (2395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:51,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2395 transitions. [2024-11-10 00:04:51,547 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2395 transitions. Word has length 122 [2024-11-10 00:04:51,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:51,548 INFO L471 AbstractCegarLoop]: Abstraction has 1656 states and 2395 transitions. [2024-11-10 00:04:51,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.2) internal successors, (122), 9 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:51,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2395 transitions. [2024-11-10 00:04:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 00:04:51,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:51,550 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:51,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 00:04:51,550 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:51,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:51,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1813514171, now seen corresponding path program 1 times [2024-11-10 00:04:51,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:51,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28615412] [2024-11-10 00:04:51,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:51,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:51,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:51,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28615412] [2024-11-10 00:04:51,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28615412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:51,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:51,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:51,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602471688] [2024-11-10 00:04:51,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:51,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:51,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:51,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:51,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:51,923 INFO L87 Difference]: Start difference. First operand 1656 states and 2395 transitions. Second operand has 10 states, 10 states have (on average 12.2) internal successors, (122), 9 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:52,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:52,547 INFO L93 Difference]: Finished difference Result 4747 states and 6929 transitions. [2024-11-10 00:04:52,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:04:52,547 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.2) internal successors, (122), 9 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2024-11-10 00:04:52,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:52,553 INFO L225 Difference]: With dead ends: 4747 [2024-11-10 00:04:52,553 INFO L226 Difference]: Without dead ends: 3221 [2024-11-10 00:04:52,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-10 00:04:52,557 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 806 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:52,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 1154 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 00:04:52,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3221 states. [2024-11-10 00:04:52,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3221 to 1656. [2024-11-10 00:04:52,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1656 states, 1655 states have (on average 1.4459214501510573) internal successors, (2393), 1655 states have internal predecessors, (2393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:52,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2393 transitions. [2024-11-10 00:04:52,588 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2393 transitions. Word has length 122 [2024-11-10 00:04:52,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:52,589 INFO L471 AbstractCegarLoop]: Abstraction has 1656 states and 2393 transitions. [2024-11-10 00:04:52,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.2) internal successors, (122), 9 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:52,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2393 transitions. [2024-11-10 00:04:52,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 00:04:52,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:52,591 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:52,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 00:04:52,591 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:52,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:52,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1487487546, now seen corresponding path program 1 times [2024-11-10 00:04:52,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:52,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725152514] [2024-11-10 00:04:52,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:52,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:53,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:53,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725152514] [2024-11-10 00:04:53,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725152514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:53,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:53,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 00:04:53,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328683066] [2024-11-10 00:04:53,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:53,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 00:04:53,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:53,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 00:04:53,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-10 00:04:53,422 INFO L87 Difference]: Start difference. First operand 1656 states and 2393 transitions. Second operand has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:54,122 INFO L93 Difference]: Finished difference Result 6362 states and 9348 transitions. [2024-11-10 00:04:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 00:04:54,123 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-10 00:04:54,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:54,132 INFO L225 Difference]: With dead ends: 6362 [2024-11-10 00:04:54,133 INFO L226 Difference]: Without dead ends: 6028 [2024-11-10 00:04:54,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2024-11-10 00:04:54,137 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 1545 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1545 SdHoareTripleChecker+Valid, 1914 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:54,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1545 Valid, 1914 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:54,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6028 states. [2024-11-10 00:04:54,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6028 to 1672. [2024-11-10 00:04:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1671 states have (on average 1.4464392579293837) internal successors, (2417), 1671 states have internal predecessors, (2417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2417 transitions. [2024-11-10 00:04:54,187 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2417 transitions. Word has length 123 [2024-11-10 00:04:54,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:54,187 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2417 transitions. [2024-11-10 00:04:54,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:54,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2417 transitions. [2024-11-10 00:04:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 00:04:54,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:54,189 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:54,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 00:04:54,190 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:54,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:54,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1391176172, now seen corresponding path program 1 times [2024-11-10 00:04:54,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:54,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739423489] [2024-11-10 00:04:54,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:54,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:54,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:54,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739423489] [2024-11-10 00:04:54,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739423489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:54,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:54,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:04:54,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782960631] [2024-11-10 00:04:54,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:54,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:04:54,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:54,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:04:54,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:04:54,314 INFO L87 Difference]: Start difference. First operand 1672 states and 2417 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:54,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:54,342 INFO L93 Difference]: Finished difference Result 4430 states and 6516 transitions. [2024-11-10 00:04:54,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:04:54,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-10 00:04:54,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:54,348 INFO L225 Difference]: With dead ends: 4430 [2024-11-10 00:04:54,348 INFO L226 Difference]: Without dead ends: 3017 [2024-11-10 00:04:54,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:04:54,352 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 134 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:54,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 565 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:04:54,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2024-11-10 00:04:54,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2947. [2024-11-10 00:04:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2946 states have (on average 1.4524779361846571) internal successors, (4279), 2946 states have internal predecessors, (4279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:54,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4279 transitions. [2024-11-10 00:04:54,405 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4279 transitions. Word has length 123 [2024-11-10 00:04:54,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:54,406 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4279 transitions. [2024-11-10 00:04:54,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4279 transitions. [2024-11-10 00:04:54,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 00:04:54,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:54,407 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:54,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 00:04:54,408 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:54,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:54,408 INFO L85 PathProgramCache]: Analyzing trace with hash 295084308, now seen corresponding path program 1 times [2024-11-10 00:04:54,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:54,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757855831] [2024-11-10 00:04:54,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:54,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:55,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:55,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:55,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757855831] [2024-11-10 00:04:55,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757855831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:55,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:55,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 00:04:55,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755762774] [2024-11-10 00:04:55,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:55,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 00:04:55,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:55,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 00:04:55,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-10 00:04:55,149 INFO L87 Difference]: Start difference. First operand 2947 states and 4279 transitions. Second operand has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:56,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:56,069 INFO L93 Difference]: Finished difference Result 11875 states and 17394 transitions. [2024-11-10 00:04:56,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 00:04:56,070 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-10 00:04:56,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:56,088 INFO L225 Difference]: With dead ends: 11875 [2024-11-10 00:04:56,089 INFO L226 Difference]: Without dead ends: 11219 [2024-11-10 00:04:56,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2024-11-10 00:04:56,097 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 1307 mSDsluCounter, 3065 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1307 SdHoareTripleChecker+Valid, 3458 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:56,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1307 Valid, 3458 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 00:04:56,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11219 states. [2024-11-10 00:04:56,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11219 to 2936. [2024-11-10 00:04:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2936 states, 2935 states have (on average 1.451107325383305) internal successors, (4259), 2935 states have internal predecessors, (4259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 2936 states and 4259 transitions. [2024-11-10 00:04:56,221 INFO L78 Accepts]: Start accepts. Automaton has 2936 states and 4259 transitions. Word has length 123 [2024-11-10 00:04:56,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:56,222 INFO L471 AbstractCegarLoop]: Abstraction has 2936 states and 4259 transitions. [2024-11-10 00:04:56,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2936 states and 4259 transitions. [2024-11-10 00:04:56,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 00:04:56,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:56,224 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:56,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 00:04:56,224 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:56,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:56,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1735512020, now seen corresponding path program 1 times [2024-11-10 00:04:56,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:56,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216770221] [2024-11-10 00:04:56,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:56,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:56,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:56,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216770221] [2024-11-10 00:04:56,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216770221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:56,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:56,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 00:04:56,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533974126] [2024-11-10 00:04:56,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:56,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 00:04:56,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:56,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 00:04:56,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:04:56,969 INFO L87 Difference]: Start difference. First operand 2936 states and 4259 transitions. Second operand has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:57,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:57,603 INFO L93 Difference]: Finished difference Result 6364 states and 9291 transitions. [2024-11-10 00:04:57,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 00:04:57,604 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-10 00:04:57,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:57,614 INFO L225 Difference]: With dead ends: 6364 [2024-11-10 00:04:57,614 INFO L226 Difference]: Without dead ends: 5698 [2024-11-10 00:04:57,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2024-11-10 00:04:57,619 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 1326 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1326 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:57,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1326 Valid, 1505 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:57,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5698 states. [2024-11-10 00:04:57,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5698 to 2920. [2024-11-10 00:04:57,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2919 states have (on average 1.4504967454607742) internal successors, (4234), 2919 states have internal predecessors, (4234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4234 transitions. [2024-11-10 00:04:57,688 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4234 transitions. Word has length 123 [2024-11-10 00:04:57,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:57,689 INFO L471 AbstractCegarLoop]: Abstraction has 2920 states and 4234 transitions. [2024-11-10 00:04:57,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:57,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4234 transitions. [2024-11-10 00:04:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 00:04:57,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:57,690 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:57,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 00:04:57,691 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:57,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:57,693 INFO L85 PathProgramCache]: Analyzing trace with hash 2002256612, now seen corresponding path program 1 times [2024-11-10 00:04:57,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:57,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9141665] [2024-11-10 00:04:57,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:57,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:58,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:58,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:58,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9141665] [2024-11-10 00:04:58,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9141665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:58,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:58,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 00:04:58,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173356378] [2024-11-10 00:04:58,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:58,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 00:04:58,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:58,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 00:04:58,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:04:58,378 INFO L87 Difference]: Start difference. First operand 2920 states and 4234 transitions. Second operand has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:58,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:58,962 INFO L93 Difference]: Finished difference Result 6327 states and 9237 transitions. [2024-11-10 00:04:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 00:04:58,962 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-10 00:04:58,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:58,970 INFO L225 Difference]: With dead ends: 6327 [2024-11-10 00:04:58,970 INFO L226 Difference]: Without dead ends: 5651 [2024-11-10 00:04:58,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2024-11-10 00:04:58,974 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 1138 mSDsluCounter, 1655 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 1910 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:58,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1138 Valid, 1910 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:58,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5651 states. [2024-11-10 00:04:59,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5651 to 2899. [2024-11-10 00:04:59,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 2898 states have (on average 1.4506556245686681) internal successors, (4204), 2898 states have internal predecessors, (4204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 4204 transitions. [2024-11-10 00:04:59,034 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 4204 transitions. Word has length 123 [2024-11-10 00:04:59,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:59,035 INFO L471 AbstractCegarLoop]: Abstraction has 2899 states and 4204 transitions. [2024-11-10 00:04:59,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:59,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 4204 transitions. [2024-11-10 00:04:59,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 00:04:59,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:59,036 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:59,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 00:04:59,037 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:59,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:59,037 INFO L85 PathProgramCache]: Analyzing trace with hash 935000572, now seen corresponding path program 1 times [2024-11-10 00:04:59,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:59,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4389603] [2024-11-10 00:04:59,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:59,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:59,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:59,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:59,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4389603] [2024-11-10 00:04:59,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4389603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:59,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:59,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 00:04:59,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948857008] [2024-11-10 00:04:59,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:59,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 00:04:59,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:59,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 00:04:59,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-10 00:04:59,764 INFO L87 Difference]: Start difference. First operand 2899 states and 4204 transitions. Second operand has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:00,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:00,372 INFO L93 Difference]: Finished difference Result 11736 states and 17195 transitions. [2024-11-10 00:05:00,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 00:05:00,373 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-10 00:05:00,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:00,388 INFO L225 Difference]: With dead ends: 11736 [2024-11-10 00:05:00,388 INFO L226 Difference]: Without dead ends: 11050 [2024-11-10 00:05:00,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2024-11-10 00:05:00,396 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 1572 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1572 SdHoareTripleChecker+Valid, 3173 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:00,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1572 Valid, 3173 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:00,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11050 states. [2024-11-10 00:05:00,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11050 to 2853. [2024-11-10 00:05:00,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2853 states, 2852 states have (on average 1.4533660589060309) internal successors, (4145), 2852 states have internal predecessors, (4145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2853 states and 4145 transitions. [2024-11-10 00:05:00,477 INFO L78 Accepts]: Start accepts. Automaton has 2853 states and 4145 transitions. Word has length 123 [2024-11-10 00:05:00,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:00,478 INFO L471 AbstractCegarLoop]: Abstraction has 2853 states and 4145 transitions. [2024-11-10 00:05:00,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:00,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 4145 transitions. [2024-11-10 00:05:00,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 00:05:00,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:00,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:00,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 00:05:00,479 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:00,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:00,480 INFO L85 PathProgramCache]: Analyzing trace with hash -238906188, now seen corresponding path program 1 times [2024-11-10 00:05:00,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:00,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137131990] [2024-11-10 00:05:00,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:00,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:01,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:01,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137131990] [2024-11-10 00:05:01,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137131990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:01,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:01,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 00:05:01,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292311962] [2024-11-10 00:05:01,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:01,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 00:05:01,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:01,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 00:05:01,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-10 00:05:01,054 INFO L87 Difference]: Start difference. First operand 2853 states and 4145 transitions. Second operand has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:01,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:01,583 INFO L93 Difference]: Finished difference Result 11588 states and 17011 transitions. [2024-11-10 00:05:01,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:05:01,583 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-10 00:05:01,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:01,592 INFO L225 Difference]: With dead ends: 11588 [2024-11-10 00:05:01,592 INFO L226 Difference]: Without dead ends: 10917 [2024-11-10 00:05:01,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2024-11-10 00:05:01,596 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 1074 mSDsluCounter, 2493 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 3083 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:01,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 3083 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:01,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10917 states. [2024-11-10 00:05:01,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10917 to 2816. [2024-11-10 00:05:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2816 states, 2815 states have (on average 1.4561278863232683) internal successors, (4099), 2815 states have internal predecessors, (4099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:01,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2816 states and 4099 transitions. [2024-11-10 00:05:01,684 INFO L78 Accepts]: Start accepts. Automaton has 2816 states and 4099 transitions. Word has length 123 [2024-11-10 00:05:01,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:01,684 INFO L471 AbstractCegarLoop]: Abstraction has 2816 states and 4099 transitions. [2024-11-10 00:05:01,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:01,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 4099 transitions. [2024-11-10 00:05:01,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-10 00:05:01,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:01,685 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:01,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 00:05:01,686 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:01,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:01,686 INFO L85 PathProgramCache]: Analyzing trace with hash -732011529, now seen corresponding path program 1 times [2024-11-10 00:05:01,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:01,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919327052] [2024-11-10 00:05:01,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:01,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:05,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:05,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:05,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919327052] [2024-11-10 00:05:05,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919327052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:05,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:05,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2024-11-10 00:05:05,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680945039] [2024-11-10 00:05:05,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:05,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-10 00:05:05,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:05,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-10 00:05:05,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1834, Unknown=0, NotChecked=0, Total=1980 [2024-11-10 00:05:05,931 INFO L87 Difference]: Start difference. First operand 2816 states and 4099 transitions. Second operand has 45 states, 45 states have (on average 2.7777777777777777) internal successors, (125), 45 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:17,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:17,136 INFO L93 Difference]: Finished difference Result 22433 states and 32972 transitions. [2024-11-10 00:05:17,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-10 00:05:17,138 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 2.7777777777777777) internal successors, (125), 45 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2024-11-10 00:05:17,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:17,161 INFO L225 Difference]: With dead ends: 22433 [2024-11-10 00:05:17,161 INFO L226 Difference]: Without dead ends: 21799 [2024-11-10 00:05:17,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=1023, Invalid=6117, Unknown=0, NotChecked=0, Total=7140 [2024-11-10 00:05:17,170 INFO L432 NwaCegarLoop]: 828 mSDtfsCounter, 2981 mSDsluCounter, 17831 mSDsCounter, 0 mSdLazyCounter, 11929 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2981 SdHoareTripleChecker+Valid, 18659 SdHoareTripleChecker+Invalid, 11947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 11929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:17,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2981 Valid, 18659 Invalid, 11947 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 11929 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-11-10 00:05:17,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21799 states. [2024-11-10 00:05:17,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21799 to 2842. [2024-11-10 00:05:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2842 states, 2841 states have (on average 1.454065469904963) internal successors, (4131), 2841 states have internal predecessors, (4131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:17,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2842 states and 4131 transitions. [2024-11-10 00:05:17,374 INFO L78 Accepts]: Start accepts. Automaton has 2842 states and 4131 transitions. Word has length 125 [2024-11-10 00:05:17,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:17,374 INFO L471 AbstractCegarLoop]: Abstraction has 2842 states and 4131 transitions. [2024-11-10 00:05:17,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.7777777777777777) internal successors, (125), 45 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 4131 transitions. [2024-11-10 00:05:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-10 00:05:17,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:17,376 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:17,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-10 00:05:17,376 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:17,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:17,377 INFO L85 PathProgramCache]: Analyzing trace with hash -310660978, now seen corresponding path program 1 times [2024-11-10 00:05:17,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:17,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294640284] [2024-11-10 00:05:17,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:17,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:17,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:17,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:17,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294640284] [2024-11-10 00:05:17,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294640284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:17,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:17,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:05:17,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386239063] [2024-11-10 00:05:17,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:17,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:05:17,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:17,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:05:17,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:05:17,446 INFO L87 Difference]: Start difference. First operand 2842 states and 4131 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:17,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:17,487 INFO L93 Difference]: Finished difference Result 7966 states and 11653 transitions. [2024-11-10 00:05:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:05:17,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2024-11-10 00:05:17,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:17,494 INFO L225 Difference]: With dead ends: 7966 [2024-11-10 00:05:17,495 INFO L226 Difference]: Without dead ends: 5278 [2024-11-10 00:05:17,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:05:17,500 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 111 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:17,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 590 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:05:17,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5278 states. [2024-11-10 00:05:17,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5278 to 5208. [2024-11-10 00:05:17,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5208 states, 5207 states have (on average 1.444209717687728) internal successors, (7520), 5207 states have internal predecessors, (7520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:17,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5208 states to 5208 states and 7520 transitions. [2024-11-10 00:05:17,569 INFO L78 Accepts]: Start accepts. Automaton has 5208 states and 7520 transitions. Word has length 126 [2024-11-10 00:05:17,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:17,569 INFO L471 AbstractCegarLoop]: Abstraction has 5208 states and 7520 transitions. [2024-11-10 00:05:17,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 5208 states and 7520 transitions. [2024-11-10 00:05:17,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-10 00:05:17,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:17,571 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:17,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-10 00:05:17,572 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:17,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:17,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1535138811, now seen corresponding path program 1 times [2024-11-10 00:05:17,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:17,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022093928] [2024-11-10 00:05:17,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:17,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:18,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:18,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022093928] [2024-11-10 00:05:18,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022093928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:18,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:18,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-10 00:05:18,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126380885] [2024-11-10 00:05:18,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:18,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 00:05:18,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:18,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 00:05:18,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2024-11-10 00:05:18,810 INFO L87 Difference]: Start difference. First operand 5208 states and 7520 transitions. Second operand has 19 states, 19 states have (on average 6.631578947368421) internal successors, (126), 19 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:20,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:20,722 INFO L93 Difference]: Finished difference Result 26636 states and 38684 transitions. [2024-11-10 00:05:20,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 00:05:20,723 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.631578947368421) internal successors, (126), 19 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2024-11-10 00:05:20,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:20,754 INFO L225 Difference]: With dead ends: 26636 [2024-11-10 00:05:20,755 INFO L226 Difference]: Without dead ends: 25440 [2024-11-10 00:05:20,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=297, Invalid=1185, Unknown=0, NotChecked=0, Total=1482 [2024-11-10 00:05:20,766 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 1523 mSDsluCounter, 5603 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 6148 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:20,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 6148 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1369 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 00:05:20,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25440 states. [2024-11-10 00:05:20,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25440 to 5202. [2024-11-10 00:05:20,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5202 states, 5201 states have (on average 1.4443376273793502) internal successors, (7512), 5201 states have internal predecessors, (7512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5202 states to 5202 states and 7512 transitions. [2024-11-10 00:05:20,962 INFO L78 Accepts]: Start accepts. Automaton has 5202 states and 7512 transitions. Word has length 126 [2024-11-10 00:05:20,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:20,963 INFO L471 AbstractCegarLoop]: Abstraction has 5202 states and 7512 transitions. [2024-11-10 00:05:20,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.631578947368421) internal successors, (126), 19 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 5202 states and 7512 transitions. [2024-11-10 00:05:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-10 00:05:20,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:20,964 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:20,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-10 00:05:20,965 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:20,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:20,965 INFO L85 PathProgramCache]: Analyzing trace with hash -337305481, now seen corresponding path program 1 times [2024-11-10 00:05:20,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:20,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977410770] [2024-11-10 00:05:20,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:20,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:21,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:21,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977410770] [2024-11-10 00:05:21,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977410770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:21,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:21,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 00:05:21,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109985109] [2024-11-10 00:05:21,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:21,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 00:05:21,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:21,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 00:05:21,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:21,677 INFO L87 Difference]: Start difference. First operand 5202 states and 7512 transitions. Second operand has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:22,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:22,137 INFO L93 Difference]: Finished difference Result 11457 states and 16610 transitions. [2024-11-10 00:05:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 00:05:22,137 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2024-11-10 00:05:22,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:22,147 INFO L225 Difference]: With dead ends: 11457 [2024-11-10 00:05:22,147 INFO L226 Difference]: Without dead ends: 10262 [2024-11-10 00:05:22,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-11-10 00:05:22,151 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 819 mSDsluCounter, 1860 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 2192 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:22,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 2192 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:22,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10262 states. [2024-11-10 00:05:22,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10262 to 5176. [2024-11-10 00:05:22,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5176 states, 5175 states have (on average 1.4454106280193237) internal successors, (7480), 5175 states have internal predecessors, (7480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:22,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5176 states to 5176 states and 7480 transitions. [2024-11-10 00:05:22,246 INFO L78 Accepts]: Start accepts. Automaton has 5176 states and 7480 transitions. Word has length 126 [2024-11-10 00:05:22,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:22,247 INFO L471 AbstractCegarLoop]: Abstraction has 5176 states and 7480 transitions. [2024-11-10 00:05:22,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:22,247 INFO L276 IsEmpty]: Start isEmpty. Operand 5176 states and 7480 transitions. [2024-11-10 00:05:22,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 00:05:22,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:22,249 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:22,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-10 00:05:22,249 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:22,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:22,250 INFO L85 PathProgramCache]: Analyzing trace with hash 133604164, now seen corresponding path program 1 times [2024-11-10 00:05:22,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:22,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107063004] [2024-11-10 00:05:22,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:22,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:22,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:22,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:22,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107063004] [2024-11-10 00:05:22,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107063004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:22,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:22,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:05:22,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748999325] [2024-11-10 00:05:22,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:22,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:05:22,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:22,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:05:22,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:05:22,436 INFO L87 Difference]: Start difference. First operand 5176 states and 7480 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:22,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:22,498 INFO L93 Difference]: Finished difference Result 12410 states and 18017 transitions. [2024-11-10 00:05:22,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:05:22,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2024-11-10 00:05:22,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:22,507 INFO L225 Difference]: With dead ends: 12410 [2024-11-10 00:05:22,507 INFO L226 Difference]: Without dead ends: 7356 [2024-11-10 00:05:22,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:05:22,515 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 118 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:22,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 597 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:05:22,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7356 states. [2024-11-10 00:05:22,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7356 to 7324. [2024-11-10 00:05:22,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7324 states, 7323 states have (on average 1.441895398060904) internal successors, (10559), 7323 states have internal predecessors, (10559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:22,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7324 states to 7324 states and 10559 transitions. [2024-11-10 00:05:22,597 INFO L78 Accepts]: Start accepts. Automaton has 7324 states and 10559 transitions. Word has length 127 [2024-11-10 00:05:22,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:22,597 INFO L471 AbstractCegarLoop]: Abstraction has 7324 states and 10559 transitions. [2024-11-10 00:05:22,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 7324 states and 10559 transitions. [2024-11-10 00:05:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 00:05:22,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:22,599 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:22,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-10 00:05:22,599 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:22,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:22,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1632052793, now seen corresponding path program 1 times [2024-11-10 00:05:22,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:22,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321522880] [2024-11-10 00:05:22,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:22,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:22,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:22,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:22,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321522880] [2024-11-10 00:05:22,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321522880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:22,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:22,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:05:22,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988172924] [2024-11-10 00:05:22,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:22,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:05:22,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:22,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:05:22,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:05:22,901 INFO L87 Difference]: Start difference. First operand 7324 states and 10559 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:22,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:22,946 INFO L93 Difference]: Finished difference Result 7390 states and 10640 transitions. [2024-11-10 00:05:22,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:05:22,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2024-11-10 00:05:22,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:22,956 INFO L225 Difference]: With dead ends: 7390 [2024-11-10 00:05:22,956 INFO L226 Difference]: Without dead ends: 7388 [2024-11-10 00:05:22,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:05:22,960 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 0 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:22,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 973 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:05:22,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7388 states. [2024-11-10 00:05:23,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7388 to 7388. [2024-11-10 00:05:23,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7388 states, 7387 states have (on average 1.433464193854068) internal successors, (10589), 7387 states have internal predecessors, (10589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7388 states to 7388 states and 10589 transitions. [2024-11-10 00:05:23,033 INFO L78 Accepts]: Start accepts. Automaton has 7388 states and 10589 transitions. Word has length 127 [2024-11-10 00:05:23,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:23,033 INFO L471 AbstractCegarLoop]: Abstraction has 7388 states and 10589 transitions. [2024-11-10 00:05:23,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 7388 states and 10589 transitions. [2024-11-10 00:05:23,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 00:05:23,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:23,036 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:23,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-10 00:05:23,037 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:23,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:23,037 INFO L85 PathProgramCache]: Analyzing trace with hash 465302547, now seen corresponding path program 1 times [2024-11-10 00:05:23,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:23,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726944952] [2024-11-10 00:05:23,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:23,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:23,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:23,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726944952] [2024-11-10 00:05:23,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726944952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:23,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:23,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:05:23,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641714694] [2024-11-10 00:05:23,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:23,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 00:05:23,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:23,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 00:05:23,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 00:05:23,214 INFO L87 Difference]: Start difference. First operand 7388 states and 10589 transitions. Second operand has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:23,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:23,577 INFO L93 Difference]: Finished difference Result 25012 states and 36236 transitions. [2024-11-10 00:05:23,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:05:23,577 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2024-11-10 00:05:23,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:23,598 INFO L225 Difference]: With dead ends: 25012 [2024-11-10 00:05:23,598 INFO L226 Difference]: Without dead ends: 17746 [2024-11-10 00:05:23,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:23,610 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1088 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1088 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:23,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1088 Valid, 637 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:05:23,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17746 states. [2024-11-10 00:05:23,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17746 to 10996. [2024-11-10 00:05:23,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10996 states, 10995 states have (on average 1.432287403365166) internal successors, (15748), 10995 states have internal predecessors, (15748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:23,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10996 states to 10996 states and 15748 transitions. [2024-11-10 00:05:23,744 INFO L78 Accepts]: Start accepts. Automaton has 10996 states and 15748 transitions. Word has length 164 [2024-11-10 00:05:23,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:23,745 INFO L471 AbstractCegarLoop]: Abstraction has 10996 states and 15748 transitions. [2024-11-10 00:05:23,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:23,745 INFO L276 IsEmpty]: Start isEmpty. Operand 10996 states and 15748 transitions. [2024-11-10 00:05:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 00:05:23,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:23,747 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:23,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-10 00:05:23,748 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:23,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:23,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1011019955, now seen corresponding path program 1 times [2024-11-10 00:05:23,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:23,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582454521] [2024-11-10 00:05:23,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:23,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:23,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:23,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582454521] [2024-11-10 00:05:23,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582454521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:23,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:23,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:05:23,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207803309] [2024-11-10 00:05:23,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:23,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 00:05:23,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:23,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 00:05:23,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 00:05:23,925 INFO L87 Difference]: Start difference. First operand 10996 states and 15748 transitions. Second operand has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:24,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:24,276 INFO L93 Difference]: Finished difference Result 45108 states and 65282 transitions. [2024-11-10 00:05:24,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:05:24,277 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2024-11-10 00:05:24,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:24,320 INFO L225 Difference]: With dead ends: 45108 [2024-11-10 00:05:24,321 INFO L226 Difference]: Without dead ends: 34256 [2024-11-10 00:05:24,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:24,340 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 1447 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:24,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 501 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:24,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34256 states. [2024-11-10 00:05:24,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34256 to 23166. [2024-11-10 00:05:24,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23166 states, 23165 states have (on average 1.4326786099719404) internal successors, (33188), 23165 states have internal predecessors, (33188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23166 states to 23166 states and 33188 transitions. [2024-11-10 00:05:24,705 INFO L78 Accepts]: Start accepts. Automaton has 23166 states and 33188 transitions. Word has length 164 [2024-11-10 00:05:24,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:24,705 INFO L471 AbstractCegarLoop]: Abstraction has 23166 states and 33188 transitions. [2024-11-10 00:05:24,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:24,705 INFO L276 IsEmpty]: Start isEmpty. Operand 23166 states and 33188 transitions. [2024-11-10 00:05:24,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 00:05:24,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:24,708 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:24,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-10 00:05:24,709 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:24,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:24,709 INFO L85 PathProgramCache]: Analyzing trace with hash 2075131603, now seen corresponding path program 1 times [2024-11-10 00:05:24,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:24,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688312012] [2024-11-10 00:05:24,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:24,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:24,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:24,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688312012] [2024-11-10 00:05:24,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688312012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:24,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:24,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:05:24,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379640438] [2024-11-10 00:05:24,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:24,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 00:05:24,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:24,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 00:05:24,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 00:05:24,880 INFO L87 Difference]: Start difference. First operand 23166 states and 33188 transitions. Second operand has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:25,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:25,256 INFO L93 Difference]: Finished difference Result 88746 states and 128030 transitions. [2024-11-10 00:05:25,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:05:25,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2024-11-10 00:05:25,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:25,337 INFO L225 Difference]: With dead ends: 88746 [2024-11-10 00:05:25,338 INFO L226 Difference]: Without dead ends: 65724 [2024-11-10 00:05:25,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:25,376 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 1362 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:25,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 499 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:25,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65724 states. [2024-11-10 00:05:25,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65724 to 48826. [2024-11-10 00:05:26,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48826 states, 48825 states have (on average 1.4319713261648745) internal successors, (69916), 48825 states have internal predecessors, (69916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48826 states to 48826 states and 69916 transitions. [2024-11-10 00:05:26,373 INFO L78 Accepts]: Start accepts. Automaton has 48826 states and 69916 transitions. Word has length 164 [2024-11-10 00:05:26,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:26,379 INFO L471 AbstractCegarLoop]: Abstraction has 48826 states and 69916 transitions. [2024-11-10 00:05:26,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 48826 states and 69916 transitions. [2024-11-10 00:05:26,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 00:05:26,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:26,388 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:26,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-10 00:05:26,389 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:26,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:26,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1863608211, now seen corresponding path program 1 times [2024-11-10 00:05:26,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:26,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133043250] [2024-11-10 00:05:26,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:26,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:26,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:26,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133043250] [2024-11-10 00:05:26,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133043250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:26,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:26,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:05:26,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563824035] [2024-11-10 00:05:26,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:26,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 00:05:26,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:26,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 00:05:26,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 00:05:26,731 INFO L87 Difference]: Start difference. First operand 48826 states and 69916 transitions. Second operand has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:27,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:27,481 INFO L93 Difference]: Finished difference Result 174702 states and 251150 transitions. [2024-11-10 00:05:27,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:05:27,481 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2024-11-10 00:05:27,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:27,674 INFO L225 Difference]: With dead ends: 174702 [2024-11-10 00:05:27,675 INFO L226 Difference]: Without dead ends: 126020 [2024-11-10 00:05:27,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:27,861 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 1277 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:27,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1277 Valid, 497 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:27,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126020 states. [2024-11-10 00:05:29,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126020 to 102786. [2024-11-10 00:05:29,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102786 states, 102785 states have (on average 1.430831346986428) internal successors, (147068), 102785 states have internal predecessors, (147068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:29,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102786 states to 102786 states and 147068 transitions. [2024-11-10 00:05:29,622 INFO L78 Accepts]: Start accepts. Automaton has 102786 states and 147068 transitions. Word has length 164 [2024-11-10 00:05:29,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:29,623 INFO L471 AbstractCegarLoop]: Abstraction has 102786 states and 147068 transitions. [2024-11-10 00:05:29,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:29,623 INFO L276 IsEmpty]: Start isEmpty. Operand 102786 states and 147068 transitions. [2024-11-10 00:05:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 00:05:29,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:29,629 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:29,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-10 00:05:29,629 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:29,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:29,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1161906966, now seen corresponding path program 1 times [2024-11-10 00:05:29,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:29,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870552447] [2024-11-10 00:05:29,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:29,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:29,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:29,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870552447] [2024-11-10 00:05:29,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870552447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:29,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:29,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:05:29,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507952522] [2024-11-10 00:05:29,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:29,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 00:05:29,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:29,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 00:05:29,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 00:05:29,855 INFO L87 Difference]: Start difference. First operand 102786 states and 147068 transitions. Second operand has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:31,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:31,243 INFO L93 Difference]: Finished difference Result 343974 states and 492638 transitions. [2024-11-10 00:05:31,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:05:31,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2024-11-10 00:05:31,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:31,976 INFO L225 Difference]: With dead ends: 343974 [2024-11-10 00:05:31,976 INFO L226 Difference]: Without dead ends: 241332 [2024-11-10 00:05:32,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:32,093 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 1192 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:32,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 495 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 00:05:32,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241332 states. [2024-11-10 00:05:34,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241332 to 215986. [2024-11-10 00:05:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215986 states, 215985 states have (on average 1.429562238118388) internal successors, (308764), 215985 states have internal predecessors, (308764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:36,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215986 states to 215986 states and 308764 transitions. [2024-11-10 00:05:36,166 INFO L78 Accepts]: Start accepts. Automaton has 215986 states and 308764 transitions. Word has length 164 [2024-11-10 00:05:36,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:36,166 INFO L471 AbstractCegarLoop]: Abstraction has 215986 states and 308764 transitions. [2024-11-10 00:05:36,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:36,167 INFO L276 IsEmpty]: Start isEmpty. Operand 215986 states and 308764 transitions. [2024-11-10 00:05:36,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 00:05:36,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:36,173 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:36,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-10 00:05:36,174 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:36,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:36,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1377883207, now seen corresponding path program 1 times [2024-11-10 00:05:36,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:36,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42190799] [2024-11-10 00:05:36,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:36,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:36,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:36,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42190799] [2024-11-10 00:05:36,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42190799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 00:05:36,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560079831] [2024-11-10 00:05:36,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:36,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 00:05:36,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:05:36,351 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) [2024-11-10 00:05:36,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 00:05:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:36,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 00:05:36,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 00:05:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:37,065 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 00:05:37,297 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:37,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560079831] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 00:05:37,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 00:05:37,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-10 00:05:37,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020798986] [2024-11-10 00:05:37,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 00:05:37,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 00:05:37,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:37,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 00:05:37,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-10 00:05:37,300 INFO L87 Difference]: Start difference. First operand 215986 states and 308764 transitions. Second operand has 11 states, 11 states have (on average 26.727272727272727) internal successors, (294), 10 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)