./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.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.8.1.ufo.BOUNDED-16.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 2164ea7ff9e119435a975a3ff24098e6247a3cb559bae891b283444f40f36a64 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 00:04:36,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 00:04:36,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 00:04:36,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 00:04:36,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 00:04:37,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 00:04:37,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 00:04:37,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 00:04:37,002 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 00:04:37,005 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 00:04:37,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 00:04:37,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 00:04:37,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 00:04:37,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 00:04:37,006 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 00:04:37,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 00:04:37,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 00:04:37,007 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 00:04:37,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 00:04:37,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 00:04:37,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 00:04:37,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 00:04:37,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 00:04:37,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 00:04:37,010 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 00:04:37,010 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 00:04:37,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 00:04:37,010 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 00:04:37,011 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 00:04:37,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 00:04:37,011 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 00:04:37,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 00:04:37,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:04:37,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 00:04:37,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 00:04:37,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 00:04:37,012 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 00:04:37,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 00:04:37,012 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 00:04:37,012 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 00:04:37,012 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 00:04:37,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 00:04:37,014 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2164ea7ff9e119435a975a3ff24098e6247a3cb559bae891b283444f40f36a64 [2024-11-10 00:04:37,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 00:04:37,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 00:04:37,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 00:04:37,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 00:04:37,232 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 00:04:37,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+nlh-reducer.c [2024-11-10 00:04:38,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 00:04:38,754 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 00:04:38,755 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+nlh-reducer.c [2024-11-10 00:04:38,769 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e58619fad/2507657238144aa7b93157543d894693/FLAG1e81968a5 [2024-11-10 00:04:39,111 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e58619fad/2507657238144aa7b93157543d894693 [2024-11-10 00:04:39,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 00:04:39,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 00:04:39,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 00:04:39,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 00:04:39,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 00:04:39,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1d6340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39, skipping insertion in model container [2024-11-10 00:04:39,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 00:04:39,445 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.8.1.ufo.BOUNDED-16.pals.c.v+nlh-reducer.c[11829,11842] [2024-11-10 00:04:39,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:04:39,553 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 00:04:39,609 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.8.1.ufo.BOUNDED-16.pals.c.v+nlh-reducer.c[11829,11842] [2024-11-10 00:04:39,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:04:39,661 INFO L204 MainTranslator]: Completed translation [2024-11-10 00:04:39,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39 WrapperNode [2024-11-10 00:04:39,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 00:04:39,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 00:04:39,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 00:04:39,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 00:04:39,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,724 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1048 [2024-11-10 00:04:39,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 00:04:39,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 00:04:39,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 00:04:39,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 00:04:39,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,739 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,761 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 00:04:39,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,772 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 00:04:39,784 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 00:04:39,785 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 00:04:39,785 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 00:04:39,786 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39" (1/1) ... [2024-11-10 00:04:39,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:04:39,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:04:39,823 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 00:04:39,826 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 00:04:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 00:04:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 00:04:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 00:04:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 00:04:40,010 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 00:04:40,012 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 00:04:40,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L995: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-10 00:04:40,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1128: havoc main_~node8____CPAchecker_TMP_0~1#1; [2024-11-10 00:04:40,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L304: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L304: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~node5__m5~2#1;havoc main_~node4__m4~2#1; [2024-11-10 00:04:40,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~node5__m5~2#1;havoc main_~node4__m4~2#1; [2024-11-10 00:04:40,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~node5__m5~2#1;havoc main_~node4__m4~2#1; [2024-11-10 00:04:40,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L340: havoc main_~node4__m4~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L340: havoc main_~node4__m4~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L770: havoc main_~node7____CPAchecker_TMP_0~1#1;havoc main_~node7__m7~2#1;havoc main_~node6__m6~2#1; [2024-11-10 00:04:40,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L770: havoc main_~node7____CPAchecker_TMP_0~1#1;havoc main_~node7__m7~2#1;havoc main_~node6__m6~2#1; [2024-11-10 00:04:40,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L770: havoc main_~node7____CPAchecker_TMP_0~1#1;havoc main_~node7__m7~2#1;havoc main_~node6__m6~2#1; [2024-11-10 00:04:40,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L473: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:04:40,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L473: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:04:40,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L473: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:04:40,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L473: havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:04:40,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L673: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-10 00:04:40,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L673: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-10 00:04:40,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L673: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-10 00:04:40,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L376: havoc main_~node6__m6~0#1;havoc main_~node5____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L376: havoc main_~node6__m6~0#1;havoc main_~node5____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L905: havoc main_~node4____CPAchecker_TMP_0~1#1; [2024-11-10 00:04:40,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L642: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:04:40,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L642: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:04:40,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L642: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:04:40,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L642: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:04:40,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L642: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:04:40,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1041: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-10 00:04:40,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L580: havoc main_~node8__m8~1#1;havoc main_~node7__m7~1#1; [2024-11-10 00:04:40,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L580: havoc main_~node8__m8~1#1;havoc main_~node7__m7~1#1; [2024-11-10 00:04:40,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L580: havoc main_~node8__m8~1#1;havoc main_~node7__m7~1#1; [2024-11-10 00:04:40,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L580: havoc main_~node8__m8~1#1;havoc main_~node7__m7~1#1; [2024-11-10 00:04:40,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L549: havoc main_~node6__m6~1#1;havoc main_~node5__m5~1#1; [2024-11-10 00:04:40,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L549: havoc main_~node6__m6~1#1;havoc main_~node5__m5~1#1; [2024-11-10 00:04:40,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L549: havoc main_~node6__m6~1#1;havoc main_~node5__m5~1#1; [2024-11-10 00:04:40,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L549: havoc main_~node6__m6~1#1;havoc main_~node5__m5~1#1; [2024-11-10 00:04:40,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,810 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,810 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,810 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,810 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,810 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,810 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,811 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,811 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,811 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,811 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,811 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,811 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,811 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-10 00:04:40,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L815: havoc main_~node6____CPAchecker_TMP_0~1#1; [2024-11-10 00:04:40,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L420: havoc main_~node8____CPAchecker_TMP_0~0#1;havoc main_~node8__m8~0#1;havoc main_~node7____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L420: havoc main_~node8____CPAchecker_TMP_0~0#1;havoc main_~node8__m8~0#1;havoc main_~node7____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L322: havoc main_~node3__m3~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L322: havoc main_~node3__m3~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L950: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-10 00:04:40,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L521: havoc main_~node4__m4~1#1;havoc main_~node3__m3~1#1; [2024-11-10 00:04:40,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L521: havoc main_~node4__m4~1#1;havoc main_~node3__m3~1#1; [2024-11-10 00:04:40,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L521: havoc main_~node4__m4~1#1;havoc main_~node3__m3~1#1; [2024-11-10 00:04:40,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L521: havoc main_~node4__m4~1#1;havoc main_~node3__m3~1#1; [2024-11-10 00:04:40,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L358: havoc main_~node5__m5~0#1;havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L358: havoc main_~node5__m5~0#1;havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L493: havoc main_~node2__m2~1#1;havoc main_~node1__m1~1#1; [2024-11-10 00:04:40,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L493: havoc main_~node2__m2~1#1;havoc main_~node1__m1~1#1; [2024-11-10 00:04:40,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L493: havoc main_~node2__m2~1#1;havoc main_~node1__m1~1#1; [2024-11-10 00:04:40,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L493: havoc main_~node2__m2~1#1;havoc main_~node1__m1~1#1; [2024-11-10 00:04:40,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L394: havoc main_~node7__m7~0#1;havoc main_~node6____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,816 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L394: havoc main_~node7__m7~0#1;havoc main_~node6____CPAchecker_TMP_0~0#1; [2024-11-10 00:04:40,816 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L860: havoc main_~node5____CPAchecker_TMP_0~1#1; [2024-11-10 00:04:40,906 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-10 00:04:40,907 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 00:04:40,926 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 00:04:40,926 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 00:04:40,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:04:40 BoogieIcfgContainer [2024-11-10 00:04:40,927 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 00:04:40,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 00:04:40,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 00:04:40,931 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 00:04:40,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:04:39" (1/3) ... [2024-11-10 00:04:40,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f240ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:04:40, skipping insertion in model container [2024-11-10 00:04:40,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:39" (2/3) ... [2024-11-10 00:04:40,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f240ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:04:40, skipping insertion in model container [2024-11-10 00:04:40,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:04:40" (3/3) ... [2024-11-10 00:04:40,933 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+nlh-reducer.c [2024-11-10 00:04:40,952 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 00:04:40,952 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 00:04:41,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 00:04:41,028 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;@5f2ec788, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 00:04:41,028 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 00:04:41,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 234 states have (on average 1.7564102564102564) internal successors, (411), 235 states have internal predecessors, (411), 0 states have call successors, (0), 0 states 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 00:04:41,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-10 00:04:41,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:41,051 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 00:04:41,052 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:41,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:41,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1216465272, now seen corresponding path program 1 times [2024-11-10 00:04:41,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:41,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556500800] [2024-11-10 00:04:41,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:41,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:41,886 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 00:04:41,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:41,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556500800] [2024-11-10 00:04:41,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556500800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:41,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:41,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 00:04:41,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279375919] [2024-11-10 00:04:41,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:41,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:41,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:41,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:41,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:41,926 INFO L87 Difference]: Start difference. First operand has 236 states, 234 states have (on average 1.7564102564102564) internal successors, (411), 235 states have internal predecessors, (411), 0 states have call successors, (0), 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 10 states, 10 states have (on average 12.5) internal successors, (125), 10 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 00:04:42,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:42,835 INFO L93 Difference]: Finished difference Result 1900 states and 3023 transitions. [2024-11-10 00:04:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 00:04:42,838 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.5) internal successors, (125), 10 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 00:04:42,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:42,863 INFO L225 Difference]: With dead ends: 1900 [2024-11-10 00:04:42,863 INFO L226 Difference]: Without dead ends: 1754 [2024-11-10 00:04:42,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2024-11-10 00:04:42,873 INFO L432 NwaCegarLoop]: 1361 mSDtfsCounter, 3265 mSDsluCounter, 10227 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3265 SdHoareTripleChecker+Valid, 11588 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:42,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3265 Valid, 11588 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 00:04:42,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2024-11-10 00:04:42,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 355. [2024-11-10 00:04:42,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 354 states have (on average 1.4322033898305084) internal successors, (507), 354 states have internal predecessors, (507), 0 states have call successors, (0), 0 states 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 00:04:42,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 507 transitions. [2024-11-10 00:04:42,949 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 507 transitions. Word has length 125 [2024-11-10 00:04:42,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:42,951 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 507 transitions. [2024-11-10 00:04:42,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.5) internal successors, (125), 10 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 00:04:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 507 transitions. [2024-11-10 00:04:42,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 00:04:42,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:42,956 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 00:04:42,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 00:04:42,957 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:42,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:42,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1130394259, now seen corresponding path program 1 times [2024-11-10 00:04:42,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:42,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943811012] [2024-11-10 00:04:42,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:42,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:43,332 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 00:04:43,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:43,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943811012] [2024-11-10 00:04:43,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943811012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:43,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:43,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 00:04:43,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982771588] [2024-11-10 00:04:43,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:43,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:43,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:43,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:43,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:43,339 INFO L87 Difference]: Start difference. First operand 355 states and 507 transitions. Second operand has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:43,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:43,725 INFO L93 Difference]: Finished difference Result 2018 states and 3106 transitions. [2024-11-10 00:04:43,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 00:04:43,725 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:43,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:43,734 INFO L225 Difference]: With dead ends: 2018 [2024-11-10 00:04:43,734 INFO L226 Difference]: Without dead ends: 1832 [2024-11-10 00:04:43,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-10 00:04:43,739 INFO L432 NwaCegarLoop]: 1316 mSDtfsCounter, 2327 mSDsluCounter, 4828 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2327 SdHoareTripleChecker+Valid, 6144 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:43,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2327 Valid, 6144 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:04:43,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2024-11-10 00:04:43,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 565. [2024-11-10 00:04:43,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 564 states have (on average 1.4840425531914894) internal successors, (837), 564 states have internal predecessors, (837), 0 states have call successors, (0), 0 states 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 00:04:43,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 837 transitions. [2024-11-10 00:04:43,788 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 837 transitions. Word has length 127 [2024-11-10 00:04:43,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:43,788 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 837 transitions. [2024-11-10 00:04:43,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:43,788 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 837 transitions. [2024-11-10 00:04:43,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 00:04:43,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:43,797 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 00:04:43,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 00:04:43,798 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:43,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:43,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1220553764, now seen corresponding path program 1 times [2024-11-10 00:04:43,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:43,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407814362] [2024-11-10 00:04:43,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:43,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:44,139 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 00:04:44,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:44,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407814362] [2024-11-10 00:04:44,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407814362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:44,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:44,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 00:04:44,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069286556] [2024-11-10 00:04:44,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:44,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:44,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:44,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:44,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:44,141 INFO L87 Difference]: Start difference. First operand 565 states and 837 transitions. Second operand has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:44,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:44,494 INFO L93 Difference]: Finished difference Result 2228 states and 3436 transitions. [2024-11-10 00:04:44,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 00:04:44,495 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:44,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:44,501 INFO L225 Difference]: With dead ends: 2228 [2024-11-10 00:04:44,501 INFO L226 Difference]: Without dead ends: 2042 [2024-11-10 00:04:44,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-10 00:04:44,506 INFO L432 NwaCegarLoop]: 1191 mSDtfsCounter, 2320 mSDsluCounter, 4204 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 5395 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:44,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 5395 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:44,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2024-11-10 00:04:44,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 867. [2024-11-10 00:04:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 866 states have (on average 1.5138568129330254) internal successors, (1311), 866 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states 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 00:04:44,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1311 transitions. [2024-11-10 00:04:44,532 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1311 transitions. Word has length 127 [2024-11-10 00:04:44,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:44,533 INFO L471 AbstractCegarLoop]: Abstraction has 867 states and 1311 transitions. [2024-11-10 00:04:44,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1311 transitions. [2024-11-10 00:04:44,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 00:04:44,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:44,537 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 00:04:44,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 00:04:44,537 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:44,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:44,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1817244307, now seen corresponding path program 1 times [2024-11-10 00:04:44,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:44,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042289925] [2024-11-10 00:04:44,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:44,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:44,828 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 00:04:44,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:44,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042289925] [2024-11-10 00:04:44,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042289925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:44,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:44,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 00:04:44,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844831565] [2024-11-10 00:04:44,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:44,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:44,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:44,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:44,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:44,831 INFO L87 Difference]: Start difference. First operand 867 states and 1311 transitions. Second operand has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:45,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:45,184 INFO L93 Difference]: Finished difference Result 2433 states and 3758 transitions. [2024-11-10 00:04:45,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 00:04:45,184 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:45,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:45,191 INFO L225 Difference]: With dead ends: 2433 [2024-11-10 00:04:45,191 INFO L226 Difference]: Without dead ends: 2247 [2024-11-10 00:04:45,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-10 00:04:45,193 INFO L432 NwaCegarLoop]: 1066 mSDtfsCounter, 2441 mSDsluCounter, 3802 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2441 SdHoareTripleChecker+Valid, 4868 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:45,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2441 Valid, 4868 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:45,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2024-11-10 00:04:45,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 1072. [2024-11-10 00:04:45,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1071 states have (on average 1.5247432306255835) internal successors, (1633), 1071 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states 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 00:04:45,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1633 transitions. [2024-11-10 00:04:45,230 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1633 transitions. Word has length 127 [2024-11-10 00:04:45,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:45,230 INFO L471 AbstractCegarLoop]: Abstraction has 1072 states and 1633 transitions. [2024-11-10 00:04:45,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:45,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1633 transitions. [2024-11-10 00:04:45,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 00:04:45,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:45,233 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 00:04:45,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 00:04:45,233 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:45,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:45,234 INFO L85 PathProgramCache]: Analyzing trace with hash 243351196, now seen corresponding path program 1 times [2024-11-10 00:04:45,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:45,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881511896] [2024-11-10 00:04:45,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:45,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:45,496 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 00:04:45,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:45,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881511896] [2024-11-10 00:04:45,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881511896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:45,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:45,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 00:04:45,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860020968] [2024-11-10 00:04:45,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:45,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:45,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:45,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:45,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:45,498 INFO L87 Difference]: Start difference. First operand 1072 states and 1633 transitions. Second operand has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:45,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:45,861 INFO L93 Difference]: Finished difference Result 2633 states and 4072 transitions. [2024-11-10 00:04:45,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 00:04:45,862 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:45,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:45,867 INFO L225 Difference]: With dead ends: 2633 [2024-11-10 00:04:45,868 INFO L226 Difference]: Without dead ends: 2447 [2024-11-10 00:04:45,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-10 00:04:45,869 INFO L432 NwaCegarLoop]: 941 mSDtfsCounter, 2561 mSDsluCounter, 3619 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:45,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 4560 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:45,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2024-11-10 00:04:45,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 1272. [2024-11-10 00:04:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1271 states have (on average 1.5318646734854446) internal successors, (1947), 1271 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states 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 00:04:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1947 transitions. [2024-11-10 00:04:45,899 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1947 transitions. Word has length 127 [2024-11-10 00:04:45,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:45,899 INFO L471 AbstractCegarLoop]: Abstraction has 1272 states and 1947 transitions. [2024-11-10 00:04:45,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:45,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1947 transitions. [2024-11-10 00:04:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 00:04:45,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:45,901 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 00:04:45,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 00:04:45,901 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:45,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:45,901 INFO L85 PathProgramCache]: Analyzing trace with hash 866218643, now seen corresponding path program 1 times [2024-11-10 00:04:45,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:45,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426383312] [2024-11-10 00:04:45,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:45,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:46,118 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 00:04:46,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:46,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426383312] [2024-11-10 00:04:46,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426383312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:46,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:46,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 00:04:46,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265234026] [2024-11-10 00:04:46,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:46,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:46,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:46,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:46,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:46,120 INFO L87 Difference]: Start difference. First operand 1272 states and 1947 transitions. Second operand has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:46,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:46,480 INFO L93 Difference]: Finished difference Result 2828 states and 4378 transitions. [2024-11-10 00:04:46,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 00:04:46,481 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:46,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:46,487 INFO L225 Difference]: With dead ends: 2828 [2024-11-10 00:04:46,487 INFO L226 Difference]: Without dead ends: 2642 [2024-11-10 00:04:46,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-10 00:04:46,488 INFO L432 NwaCegarLoop]: 816 mSDtfsCounter, 2678 mSDsluCounter, 4005 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2678 SdHoareTripleChecker+Valid, 4821 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:46,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2678 Valid, 4821 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:46,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2024-11-10 00:04:46,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 1467. [2024-11-10 00:04:46,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 1466 states have (on average 1.5368349249658937) internal successors, (2253), 1466 states have internal predecessors, (2253), 0 states have call successors, (0), 0 states 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 00:04:46,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2253 transitions. [2024-11-10 00:04:46,520 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2253 transitions. Word has length 127 [2024-11-10 00:04:46,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:46,521 INFO L471 AbstractCegarLoop]: Abstraction has 1467 states and 2253 transitions. [2024-11-10 00:04:46,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:46,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2253 transitions. [2024-11-10 00:04:46,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 00:04:46,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:46,522 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 00:04:46,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 00:04:46,522 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:46,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:46,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1562789540, now seen corresponding path program 1 times [2024-11-10 00:04:46,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:46,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384866575] [2024-11-10 00:04:46,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:46,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:46,757 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 00:04:46,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:46,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384866575] [2024-11-10 00:04:46,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384866575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:46,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:46,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 00:04:46,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429345266] [2024-11-10 00:04:46,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:46,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:46,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:46,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:46,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:46,759 INFO L87 Difference]: Start difference. First operand 1467 states and 2253 transitions. Second operand has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:47,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:47,066 INFO L93 Difference]: Finished difference Result 3018 states and 4676 transitions. [2024-11-10 00:04:47,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 00:04:47,067 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:47,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:47,074 INFO L225 Difference]: With dead ends: 3018 [2024-11-10 00:04:47,074 INFO L226 Difference]: Without dead ends: 2832 [2024-11-10 00:04:47,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-10 00:04:47,076 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 2798 mSDsluCounter, 3898 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2798 SdHoareTripleChecker+Valid, 4589 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:47,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2798 Valid, 4589 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:47,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2024-11-10 00:04:47,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 1657. [2024-11-10 00:04:47,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1657 states, 1656 states have (on average 1.5404589371980677) internal successors, (2551), 1656 states have internal predecessors, (2551), 0 states have call successors, (0), 0 states 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 00:04:47,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 2551 transitions. [2024-11-10 00:04:47,113 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 2551 transitions. Word has length 127 [2024-11-10 00:04:47,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:47,113 INFO L471 AbstractCegarLoop]: Abstraction has 1657 states and 2551 transitions. [2024-11-10 00:04:47,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:47,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2551 transitions. [2024-11-10 00:04:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 00:04:47,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:47,115 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:47,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 00:04:47,115 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:47,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:47,115 INFO L85 PathProgramCache]: Analyzing trace with hash -514723181, now seen corresponding path program 1 times [2024-11-10 00:04:47,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:47,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513673987] [2024-11-10 00:04:47,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:47,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:47,334 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 00:04:47,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:47,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513673987] [2024-11-10 00:04:47,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513673987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:47,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:47,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 00:04:47,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880863248] [2024-11-10 00:04:47,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:47,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:47,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:47,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:47,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:47,335 INFO L87 Difference]: Start difference. First operand 1657 states and 2551 transitions. Second operand has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:47,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:47,662 INFO L93 Difference]: Finished difference Result 3203 states and 4966 transitions. [2024-11-10 00:04:47,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 00:04:47,662 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:47,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:47,670 INFO L225 Difference]: With dead ends: 3203 [2024-11-10 00:04:47,670 INFO L226 Difference]: Without dead ends: 3017 [2024-11-10 00:04:47,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-10 00:04:47,672 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 2913 mSDsluCounter, 4487 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2913 SdHoareTripleChecker+Valid, 5053 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:47,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2913 Valid, 5053 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:47,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2024-11-10 00:04:47,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 1842. [2024-11-10 00:04:47,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1841 states have (on average 1.5431830526887562) internal successors, (2841), 1841 states have internal predecessors, (2841), 0 states have call successors, (0), 0 states 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 00:04:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2841 transitions. [2024-11-10 00:04:47,719 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2841 transitions. Word has length 127 [2024-11-10 00:04:47,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:47,719 INFO L471 AbstractCegarLoop]: Abstraction has 1842 states and 2841 transitions. [2024-11-10 00:04:47,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:47,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2841 transitions. [2024-11-10 00:04:47,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 00:04:47,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:47,721 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 00:04:47,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 00:04:47,721 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:47,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:47,722 INFO L85 PathProgramCache]: Analyzing trace with hash -435961644, now seen corresponding path program 1 times [2024-11-10 00:04:47,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:47,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101184066] [2024-11-10 00:04:47,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:47,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:47,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:47,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:47,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101184066] [2024-11-10 00:04:47,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101184066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:47,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:47,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 00:04:47,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392190184] [2024-11-10 00:04:47,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:47,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:47,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:47,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:47,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:47,959 INFO L87 Difference]: Start difference. First operand 1842 states and 2841 transitions. Second operand has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:48,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:48,244 INFO L93 Difference]: Finished difference Result 3387 states and 5255 transitions. [2024-11-10 00:04:48,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 00:04:48,245 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:48,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:48,253 INFO L225 Difference]: With dead ends: 3387 [2024-11-10 00:04:48,253 INFO L226 Difference]: Without dead ends: 3201 [2024-11-10 00:04:48,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-10 00:04:48,255 INFO L432 NwaCegarLoop]: 449 mSDtfsCounter, 3022 mSDsluCounter, 5034 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3022 SdHoareTripleChecker+Valid, 5483 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:48,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3022 Valid, 5483 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:48,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3201 states. [2024-11-10 00:04:48,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3201 to 2026. [2024-11-10 00:04:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 2025 states have (on average 1.545679012345679) internal successors, (3130), 2025 states have internal predecessors, (3130), 0 states have call successors, (0), 0 states 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 00:04:48,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 3130 transitions. [2024-11-10 00:04:48,305 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 3130 transitions. Word has length 127 [2024-11-10 00:04:48,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:48,305 INFO L471 AbstractCegarLoop]: Abstraction has 2026 states and 3130 transitions. [2024-11-10 00:04:48,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 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 00:04:48,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 3130 transitions. [2024-11-10 00:04:48,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 00:04:48,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:48,307 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:48,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 00:04:48,307 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:48,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:48,308 INFO L85 PathProgramCache]: Analyzing trace with hash 206349794, now seen corresponding path program 1 times [2024-11-10 00:04:48,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:48,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864866375] [2024-11-10 00:04:48,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:48,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:48,684 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 00:04:48,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:48,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864866375] [2024-11-10 00:04:48,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864866375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:48,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:48,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 00:04:48,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032006030] [2024-11-10 00:04:48,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:48,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:48,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:48,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:48,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:48,687 INFO L87 Difference]: Start difference. First operand 2026 states and 3130 transitions. Second operand has 10 states, 10 states have (on average 12.8) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:49,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:49,097 INFO L93 Difference]: Finished difference Result 3778 states and 5878 transitions. [2024-11-10 00:04:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 00:04:49,098 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2024-11-10 00:04:49,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:49,106 INFO L225 Difference]: With dead ends: 3778 [2024-11-10 00:04:49,107 INFO L226 Difference]: Without dead ends: 2028 [2024-11-10 00:04:49,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-10 00:04:49,110 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 430 mSDsluCounter, 1321 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:49,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 1741 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:49,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2028 states. [2024-11-10 00:04:49,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2028 to 2026. [2024-11-10 00:04:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 2025 states have (on average 1.5407407407407407) internal successors, (3120), 2025 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states 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 00:04:49,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 3120 transitions. [2024-11-10 00:04:49,137 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 3120 transitions. Word has length 128 [2024-11-10 00:04:49,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:49,137 INFO L471 AbstractCegarLoop]: Abstraction has 2026 states and 3120 transitions. [2024-11-10 00:04:49,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:49,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 3120 transitions. [2024-11-10 00:04:49,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-10 00:04:49,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:49,139 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:49,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 00:04:49,139 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:49,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:49,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1964548663, now seen corresponding path program 1 times [2024-11-10 00:04:49,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:49,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86735521] [2024-11-10 00:04:49,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:49,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:49,245 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 00:04:49,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:49,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86735521] [2024-11-10 00:04:49,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86735521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:49,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:49,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:49,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017997394] [2024-11-10 00:04:49,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:49,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:49,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:49,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:49,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:49,246 INFO L87 Difference]: Start difference. First operand 2026 states and 3120 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states 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 00:04:49,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:49,385 INFO L93 Difference]: Finished difference Result 3960 states and 6141 transitions. [2024-11-10 00:04:49,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:49,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2024-11-10 00:04:49,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:49,390 INFO L225 Difference]: With dead ends: 3960 [2024-11-10 00:04:49,390 INFO L226 Difference]: Without dead ends: 2026 [2024-11-10 00:04:49,392 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 00:04:49,393 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 794 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:49,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 223 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:49,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2024-11-10 00:04:49,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 2026. [2024-11-10 00:04:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 2025 states have (on average 1.5308641975308641) internal successors, (3100), 2025 states have internal predecessors, (3100), 0 states have call successors, (0), 0 states 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 00:04:49,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 3100 transitions. [2024-11-10 00:04:49,416 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 3100 transitions. Word has length 129 [2024-11-10 00:04:49,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:49,416 INFO L471 AbstractCegarLoop]: Abstraction has 2026 states and 3100 transitions. [2024-11-10 00:04:49,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states 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 00:04:49,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 3100 transitions. [2024-11-10 00:04:49,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 00:04:49,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:49,418 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:49,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 00:04:49,418 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:49,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:49,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1602738668, now seen corresponding path program 1 times [2024-11-10 00:04:49,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:49,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796716059] [2024-11-10 00:04:49,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:49,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:49,552 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 00:04:49,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:49,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796716059] [2024-11-10 00:04:49,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796716059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:49,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:49,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:49,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250383888] [2024-11-10 00:04:49,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:49,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:49,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:49,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:49,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:49,554 INFO L87 Difference]: Start difference. First operand 2026 states and 3100 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:49,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:49,773 INFO L93 Difference]: Finished difference Result 5867 states and 9057 transitions. [2024-11-10 00:04:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:49,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2024-11-10 00:04:49,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:49,780 INFO L225 Difference]: With dead ends: 5867 [2024-11-10 00:04:49,780 INFO L226 Difference]: Without dead ends: 3909 [2024-11-10 00:04:49,783 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 00:04:49,784 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1242 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:49,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1242 Valid, 278 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:04:49,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3909 states. [2024-11-10 00:04:49,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3909 to 3907. [2024-11-10 00:04:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3907 states, 3906 states have (on average 1.5373783922171018) internal successors, (6005), 3906 states have internal predecessors, (6005), 0 states have call successors, (0), 0 states 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 00:04:49,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 6005 transitions. [2024-11-10 00:04:49,835 INFO L78 Accepts]: Start accepts. Automaton has 3907 states and 6005 transitions. Word has length 130 [2024-11-10 00:04:49,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:49,836 INFO L471 AbstractCegarLoop]: Abstraction has 3907 states and 6005 transitions. [2024-11-10 00:04:49,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 6005 transitions. [2024-11-10 00:04:49,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-10 00:04:49,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:49,837 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:49,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 00:04:49,838 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:49,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:49,838 INFO L85 PathProgramCache]: Analyzing trace with hash -205064105, now seen corresponding path program 1 times [2024-11-10 00:04:49,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:49,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578485997] [2024-11-10 00:04:49,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:49,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:49,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:49,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578485997] [2024-11-10 00:04:49,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578485997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:49,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:49,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:49,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645378222] [2024-11-10 00:04:49,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:49,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:49,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:49,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:49,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:49,958 INFO L87 Difference]: Start difference. First operand 3907 states and 6005 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states 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 00:04:50,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:50,115 INFO L93 Difference]: Finished difference Result 7734 states and 11927 transitions. [2024-11-10 00:04:50,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:50,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2024-11-10 00:04:50,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:50,121 INFO L225 Difference]: With dead ends: 7734 [2024-11-10 00:04:50,122 INFO L226 Difference]: Without dead ends: 3907 [2024-11-10 00:04:50,129 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 00:04:50,130 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 817 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:50,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 199 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:50,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3907 states. [2024-11-10 00:04:50,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3907 to 3907. [2024-11-10 00:04:50,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3907 states, 3906 states have (on average 1.5273937532002049) internal successors, (5966), 3906 states have internal predecessors, (5966), 0 states have call successors, (0), 0 states 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 00:04:50,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 5966 transitions. [2024-11-10 00:04:50,182 INFO L78 Accepts]: Start accepts. Automaton has 3907 states and 5966 transitions. Word has length 131 [2024-11-10 00:04:50,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:50,182 INFO L471 AbstractCegarLoop]: Abstraction has 3907 states and 5966 transitions. [2024-11-10 00:04:50,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states 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 00:04:50,182 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 5966 transitions. [2024-11-10 00:04:50,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-10 00:04:50,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:50,184 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:50,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 00:04:50,184 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:50,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:50,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1880850456, now seen corresponding path program 1 times [2024-11-10 00:04:50,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:50,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803192113] [2024-11-10 00:04:50,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:50,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:50,328 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 00:04:50,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:50,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803192113] [2024-11-10 00:04:50,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803192113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:50,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:50,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:50,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85466864] [2024-11-10 00:04:50,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:50,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:50,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:50,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:50,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:50,330 INFO L87 Difference]: Start difference. First operand 3907 states and 5966 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:50,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:50,485 INFO L93 Difference]: Finished difference Result 7730 states and 11845 transitions. [2024-11-10 00:04:50,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:50,485 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2024-11-10 00:04:50,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:50,491 INFO L225 Difference]: With dead ends: 7730 [2024-11-10 00:04:50,491 INFO L226 Difference]: Without dead ends: 3907 [2024-11-10 00:04:50,496 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 00:04:50,496 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 799 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:50,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 207 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:50,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3907 states. [2024-11-10 00:04:50,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3907 to 3907. [2024-11-10 00:04:50,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3907 states, 3906 states have (on average 1.5174091141833077) internal successors, (5927), 3906 states have internal predecessors, (5927), 0 states have call successors, (0), 0 states 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 00:04:50,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 5927 transitions. [2024-11-10 00:04:50,562 INFO L78 Accepts]: Start accepts. Automaton has 3907 states and 5927 transitions. Word has length 132 [2024-11-10 00:04:50,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:50,562 INFO L471 AbstractCegarLoop]: Abstraction has 3907 states and 5927 transitions. [2024-11-10 00:04:50,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:50,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 5927 transitions. [2024-11-10 00:04:50,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-10 00:04:50,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:50,565 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:50,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 00:04:50,565 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:50,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:50,565 INFO L85 PathProgramCache]: Analyzing trace with hash 857824475, now seen corresponding path program 1 times [2024-11-10 00:04:50,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:50,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202757606] [2024-11-10 00:04:50,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:50,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:50,669 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 00:04:50,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:50,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202757606] [2024-11-10 00:04:50,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202757606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:50,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:50,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:50,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834105393] [2024-11-10 00:04:50,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:50,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:50,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:50,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:50,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:50,671 INFO L87 Difference]: Start difference. First operand 3907 states and 5927 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states 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 00:04:50,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:50,809 INFO L93 Difference]: Finished difference Result 7742 states and 11781 transitions. [2024-11-10 00:04:50,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:50,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2024-11-10 00:04:50,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:50,815 INFO L225 Difference]: With dead ends: 7742 [2024-11-10 00:04:50,815 INFO L226 Difference]: Without dead ends: 3907 [2024-11-10 00:04:50,820 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 00:04:50,821 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 827 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:50,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 183 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:50,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3907 states. [2024-11-10 00:04:50,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3907 to 3907. [2024-11-10 00:04:50,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3907 states, 3906 states have (on average 1.5074244751664108) internal successors, (5888), 3906 states have internal predecessors, (5888), 0 states have call successors, (0), 0 states 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 00:04:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 5888 transitions. [2024-11-10 00:04:50,864 INFO L78 Accepts]: Start accepts. Automaton has 3907 states and 5888 transitions. Word has length 133 [2024-11-10 00:04:50,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:50,864 INFO L471 AbstractCegarLoop]: Abstraction has 3907 states and 5888 transitions. [2024-11-10 00:04:50,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states 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 00:04:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 5888 transitions. [2024-11-10 00:04:50,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-10 00:04:50,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:50,866 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:50,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 00:04:50,867 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:50,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:50,867 INFO L85 PathProgramCache]: Analyzing trace with hash 2115373484, now seen corresponding path program 1 times [2024-11-10 00:04:50,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:50,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928347159] [2024-11-10 00:04:50,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:50,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:50,996 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 00:04:50,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:50,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928347159] [2024-11-10 00:04:50,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928347159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:50,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:50,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:50,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176500333] [2024-11-10 00:04:50,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:50,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:50,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:50,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:50,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:50,999 INFO L87 Difference]: Start difference. First operand 3907 states and 5888 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:51,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:51,130 INFO L93 Difference]: Finished difference Result 7738 states and 11699 transitions. [2024-11-10 00:04:51,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:51,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2024-11-10 00:04:51,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:51,135 INFO L225 Difference]: With dead ends: 7738 [2024-11-10 00:04:51,136 INFO L226 Difference]: Without dead ends: 3907 [2024-11-10 00:04:51,140 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 00:04:51,140 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 809 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:51,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 191 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:51,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3907 states. [2024-11-10 00:04:51,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3907 to 3907. [2024-11-10 00:04:51,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3907 states, 3906 states have (on average 1.4974398361495136) internal successors, (5849), 3906 states have internal predecessors, (5849), 0 states have call successors, (0), 0 states 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 00:04:51,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 5849 transitions. [2024-11-10 00:04:51,183 INFO L78 Accepts]: Start accepts. Automaton has 3907 states and 5849 transitions. Word has length 134 [2024-11-10 00:04:51,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:51,184 INFO L471 AbstractCegarLoop]: Abstraction has 3907 states and 5849 transitions. [2024-11-10 00:04:51,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:51,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 5849 transitions. [2024-11-10 00:04:51,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-10 00:04:51,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:51,185 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:51,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 00:04:51,186 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:51,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:51,186 INFO L85 PathProgramCache]: Analyzing trace with hash -125188769, now seen corresponding path program 1 times [2024-11-10 00:04:51,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:51,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790859886] [2024-11-10 00:04:51,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:51,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:51,322 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 00:04:51,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:51,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790859886] [2024-11-10 00:04:51,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790859886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:51,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:51,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:51,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423967794] [2024-11-10 00:04:51,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:51,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:51,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:51,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:51,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:51,324 INFO L87 Difference]: Start difference. First operand 3907 states and 5849 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states 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 00:04:51,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:51,454 INFO L93 Difference]: Finished difference Result 7726 states and 11609 transitions. [2024-11-10 00:04:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:51,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2024-11-10 00:04:51,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:51,462 INFO L225 Difference]: With dead ends: 7726 [2024-11-10 00:04:51,462 INFO L226 Difference]: Without dead ends: 3907 [2024-11-10 00:04:51,469 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 00:04:51,470 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 767 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:51,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 215 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:51,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3907 states. [2024-11-10 00:04:51,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3907 to 3907. [2024-11-10 00:04:51,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3907 states, 3906 states have (on average 1.4874551971326164) internal successors, (5810), 3906 states have internal predecessors, (5810), 0 states have call successors, (0), 0 states 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 00:04:51,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 5810 transitions. [2024-11-10 00:04:51,522 INFO L78 Accepts]: Start accepts. Automaton has 3907 states and 5810 transitions. Word has length 135 [2024-11-10 00:04:51,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:51,522 INFO L471 AbstractCegarLoop]: Abstraction has 3907 states and 5810 transitions. [2024-11-10 00:04:51,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states 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 00:04:51,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 5810 transitions. [2024-11-10 00:04:51,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-10 00:04:51,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:51,524 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:51,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 00:04:51,524 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:51,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:51,525 INFO L85 PathProgramCache]: Analyzing trace with hash -8188320, now seen corresponding path program 1 times [2024-11-10 00:04:51,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:51,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902113449] [2024-11-10 00:04:51,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:51,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:51,644 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 00:04:51,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:51,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902113449] [2024-11-10 00:04:51,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902113449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:51,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:51,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:04:51,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916316569] [2024-11-10 00:04:51,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:51,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:04:51,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:51,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:04:51,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:04:51,647 INFO L87 Difference]: Start difference. First operand 3907 states and 5810 transitions. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 00:04:51,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:51,780 INFO L93 Difference]: Finished difference Result 7718 states and 11523 transitions. [2024-11-10 00:04:51,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:04:51,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2024-11-10 00:04:51,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:51,785 INFO L225 Difference]: With dead ends: 7718 [2024-11-10 00:04:51,786 INFO L226 Difference]: Without dead ends: 3907 [2024-11-10 00:04:51,789 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 00:04:51,790 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 738 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:51,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 235 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:04:51,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3907 states. [2024-11-10 00:04:51,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3907 to 3907. [2024-11-10 00:04:51,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3907 states, 3906 states have (on average 1.4774705581157195) internal successors, (5771), 3906 states have internal predecessors, (5771), 0 states have call successors, (0), 0 states 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 00:04:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 5771 transitions. [2024-11-10 00:04:51,850 INFO L78 Accepts]: Start accepts. Automaton has 3907 states and 5771 transitions. Word has length 136 [2024-11-10 00:04:51,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:51,850 INFO L471 AbstractCegarLoop]: Abstraction has 3907 states and 5771 transitions. [2024-11-10 00:04:51,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 00:04:51,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 5771 transitions. [2024-11-10 00:04:51,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-10 00:04:51,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:51,852 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:51,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 00:04:51,852 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:51,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:51,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1168346312, now seen corresponding path program 1 times [2024-11-10 00:04:51,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:51,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980637745] [2024-11-10 00:04:51,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:51,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:52,237 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 00:04:52,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:52,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980637745] [2024-11-10 00:04:52,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980637745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:52,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:52,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:52,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35208908] [2024-11-10 00:04:52,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:52,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:52,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:52,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:52,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:52,240 INFO L87 Difference]: Start difference. First operand 3907 states and 5771 transitions. Second operand has 10 states, 10 states have (on average 13.7) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:52,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:52,713 INFO L93 Difference]: Finished difference Result 11414 states and 16901 transitions. [2024-11-10 00:04:52,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:04:52,713 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2024-11-10 00:04:52,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:52,722 INFO L225 Difference]: With dead ends: 11414 [2024-11-10 00:04:52,723 INFO L226 Difference]: Without dead ends: 7706 [2024-11-10 00:04:52,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-10 00:04:52,730 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1237 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:52,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 806 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:04:52,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7706 states. [2024-11-10 00:04:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7706 to 3907. [2024-11-10 00:04:52,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3907 states, 3906 states have (on average 1.4759344598054276) internal successors, (5765), 3906 states have internal predecessors, (5765), 0 states have call successors, (0), 0 states 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 00:04:52,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 5765 transitions. [2024-11-10 00:04:52,830 INFO L78 Accepts]: Start accepts. Automaton has 3907 states and 5765 transitions. Word has length 137 [2024-11-10 00:04:52,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:52,830 INFO L471 AbstractCegarLoop]: Abstraction has 3907 states and 5765 transitions. [2024-11-10 00:04:52,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:52,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 5765 transitions. [2024-11-10 00:04:52,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-10 00:04:52,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:52,832 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:52,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 00:04:52,833 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:52,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:52,834 INFO L85 PathProgramCache]: Analyzing trace with hash -88822913, now seen corresponding path program 1 times [2024-11-10 00:04:52,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:52,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694407285] [2024-11-10 00:04:52,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:52,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:53,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:53,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694407285] [2024-11-10 00:04:53,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694407285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:53,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:53,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 00:04:53,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297175899] [2024-11-10 00:04:53,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:53,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 00:04:53,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:53,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 00:04:53,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-10 00:04:53,346 INFO L87 Difference]: Start difference. First operand 3907 states and 5765 transitions. Second operand has 14 states, 14 states have (on average 9.785714285714286) internal successors, (137), 13 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:54,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:54,050 INFO L93 Difference]: Finished difference Result 11570 states and 17015 transitions. [2024-11-10 00:04:54,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 00:04:54,051 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.785714285714286) internal successors, (137), 13 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2024-11-10 00:04:54,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:54,061 INFO L225 Difference]: With dead ends: 11570 [2024-11-10 00:04:54,061 INFO L226 Difference]: Without dead ends: 8072 [2024-11-10 00:04:54,068 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 00:04:54,068 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 2018 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:54,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2018 Valid, 1023 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 00:04:54,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8072 states. [2024-11-10 00:04:54,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8072 to 4177. [2024-11-10 00:04:54,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4177 states, 4176 states have (on average 1.4782088122605364) internal successors, (6173), 4176 states have internal predecessors, (6173), 0 states have call successors, (0), 0 states 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 00:04:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 6173 transitions. [2024-11-10 00:04:54,183 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 6173 transitions. Word has length 137 [2024-11-10 00:04:54,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:54,184 INFO L471 AbstractCegarLoop]: Abstraction has 4177 states and 6173 transitions. [2024-11-10 00:04:54,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.785714285714286) internal successors, (137), 13 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:54,184 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 6173 transitions. [2024-11-10 00:04:54,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-10 00:04:54,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:54,188 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:54,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 00:04:54,189 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:54,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:54,189 INFO L85 PathProgramCache]: Analyzing trace with hash -197075320, now seen corresponding path program 1 times [2024-11-10 00:04:54,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:54,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738233977] [2024-11-10 00:04:54,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:54,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:54,463 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 00:04:54,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:54,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738233977] [2024-11-10 00:04:54,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738233977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:54,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:54,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:04:54,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115455698] [2024-11-10 00:04:54,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:54,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 00:04:54,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:54,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 00:04:54,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 00:04:54,466 INFO L87 Difference]: Start difference. First operand 4177 states and 6173 transitions. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:54,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:54,860 INFO L93 Difference]: Finished difference Result 11424 states and 16933 transitions. [2024-11-10 00:04:54,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:04:54,860 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2024-11-10 00:04:54,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:54,869 INFO L225 Difference]: With dead ends: 11424 [2024-11-10 00:04:54,870 INFO L226 Difference]: Without dead ends: 7675 [2024-11-10 00:04:54,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-10 00:04:54,876 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1073 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:54,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 753 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:04:54,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7675 states. [2024-11-10 00:04:54,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7675 to 4177. [2024-11-10 00:04:54,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4177 states, 4176 states have (on average 1.4779693486590038) internal successors, (6172), 4176 states have internal predecessors, (6172), 0 states have call successors, (0), 0 states 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 00:04:54,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 6172 transitions. [2024-11-10 00:04:54,965 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 6172 transitions. Word has length 137 [2024-11-10 00:04:54,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:54,966 INFO L471 AbstractCegarLoop]: Abstraction has 4177 states and 6172 transitions. [2024-11-10 00:04:54,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:04:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 6172 transitions. [2024-11-10 00:04:54,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-10 00:04:54,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:54,968 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:54,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 00:04:54,968 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:54,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:54,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1319930908, now seen corresponding path program 1 times [2024-11-10 00:04:54,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:54,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044970602] [2024-11-10 00:04:54,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:54,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:55,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:04:55,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:55,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044970602] [2024-11-10 00:04:55,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044970602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:55,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:55,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:55,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711687802] [2024-11-10 00:04:55,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:55,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:55,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:55,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:55,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:55,273 INFO L87 Difference]: Start difference. First operand 4177 states and 6172 transitions. Second operand has 10 states, 10 states have (on average 13.8) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 00:04:55,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:55,734 INFO L93 Difference]: Finished difference Result 11898 states and 17608 transitions. [2024-11-10 00:04:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:04:55,734 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.8) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2024-11-10 00:04:55,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:55,742 INFO L225 Difference]: With dead ends: 11898 [2024-11-10 00:04:55,743 INFO L226 Difference]: Without dead ends: 8113 [2024-11-10 00:04:55,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-10 00:04:55,748 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 801 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:55,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 808 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:04:55,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8113 states. [2024-11-10 00:04:55,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8113 to 4177. [2024-11-10 00:04:55,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4177 states, 4176 states have (on average 1.4731800766283525) internal successors, (6152), 4176 states have internal predecessors, (6152), 0 states have call successors, (0), 0 states 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 00:04:55,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 6152 transitions. [2024-11-10 00:04:55,812 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 6152 transitions. Word has length 138 [2024-11-10 00:04:55,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:55,812 INFO L471 AbstractCegarLoop]: Abstraction has 4177 states and 6152 transitions. [2024-11-10 00:04:55,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.8) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 00:04:55,813 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 6152 transitions. [2024-11-10 00:04:55,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-10 00:04:55,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:55,815 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:55,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 00:04:55,815 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:55,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:55,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1362354814, now seen corresponding path program 1 times [2024-11-10 00:04:55,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:55,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115739970] [2024-11-10 00:04:55,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:55,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:56,130 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 00:04:56,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:56,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115739970] [2024-11-10 00:04:56,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115739970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:56,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:56,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:56,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978924700] [2024-11-10 00:04:56,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:56,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:56,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:56,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:56,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:56,132 INFO L87 Difference]: Start difference. First operand 4177 states and 6152 transitions. Second operand has 10 states, 10 states have (on average 13.9) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 00:04:56,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:56,599 INFO L93 Difference]: Finished difference Result 11503 states and 16956 transitions. [2024-11-10 00:04:56,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:04:56,599 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.9) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2024-11-10 00:04:56,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:56,608 INFO L225 Difference]: With dead ends: 11503 [2024-11-10 00:04:56,609 INFO L226 Difference]: Without dead ends: 7938 [2024-11-10 00:04:56,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-10 00:04:56,615 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1549 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:56,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 810 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:04:56,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7938 states. [2024-11-10 00:04:56,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7938 to 4177. [2024-11-10 00:04:56,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4177 states, 4176 states have (on average 1.4664750957854407) internal successors, (6124), 4176 states have internal predecessors, (6124), 0 states have call successors, (0), 0 states 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 00:04:56,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 6124 transitions. [2024-11-10 00:04:56,685 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 6124 transitions. Word has length 139 [2024-11-10 00:04:56,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:56,686 INFO L471 AbstractCegarLoop]: Abstraction has 4177 states and 6124 transitions. [2024-11-10 00:04:56,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.9) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 00:04:56,686 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 6124 transitions. [2024-11-10 00:04:56,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-10 00:04:56,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:56,688 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:56,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 00:04:56,688 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:56,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:56,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1881396446, now seen corresponding path program 1 times [2024-11-10 00:04:56,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:56,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47047411] [2024-11-10 00:04:56,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:56,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:57,038 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 00:04:57,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:57,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47047411] [2024-11-10 00:04:57,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47047411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:57,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:57,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:57,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612529013] [2024-11-10 00:04:57,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:57,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:57,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:57,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:57,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:57,040 INFO L87 Difference]: Start difference. First operand 4177 states and 6124 transitions. Second operand has 10 states, 10 states have (on average 14.0) internal successors, (140), 9 states have internal predecessors, (140), 0 states have call successors, (0), 0 states 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 00:04:57,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:57,587 INFO L93 Difference]: Finished difference Result 11723 states and 17232 transitions. [2024-11-10 00:04:57,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:04:57,587 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.0) internal successors, (140), 9 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2024-11-10 00:04:57,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:57,597 INFO L225 Difference]: With dead ends: 11723 [2024-11-10 00:04:57,597 INFO L226 Difference]: Without dead ends: 8038 [2024-11-10 00:04:57,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-10 00:04:57,603 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 898 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 1222 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:57,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 1222 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 00:04:57,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8038 states. [2024-11-10 00:04:57,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8038 to 4177. [2024-11-10 00:04:57,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4177 states, 4176 states have (on average 1.460727969348659) internal successors, (6100), 4176 states have internal predecessors, (6100), 0 states have call successors, (0), 0 states 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 00:04:57,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 6100 transitions. [2024-11-10 00:04:57,669 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 6100 transitions. Word has length 140 [2024-11-10 00:04:57,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:57,669 INFO L471 AbstractCegarLoop]: Abstraction has 4177 states and 6100 transitions. [2024-11-10 00:04:57,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.0) internal successors, (140), 9 states have internal predecessors, (140), 0 states have call successors, (0), 0 states 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 00:04:57,670 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 6100 transitions. [2024-11-10 00:04:57,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-10 00:04:57,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:57,672 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:57,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 00:04:57,672 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:57,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:57,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1047999253, now seen corresponding path program 1 times [2024-11-10 00:04:57,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:57,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344060454] [2024-11-10 00:04:57,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:57,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:58,040 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 00:04:58,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:58,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344060454] [2024-11-10 00:04:58,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344060454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:58,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:58,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:04:58,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715704725] [2024-11-10 00:04:58,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:58,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:04:58,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:58,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:04:58,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:04:58,041 INFO L87 Difference]: Start difference. First operand 4177 states and 6100 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states 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 00:04:58,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:04:58,603 INFO L93 Difference]: Finished difference Result 12018 states and 17610 transitions. [2024-11-10 00:04:58,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:04:58,607 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2024-11-10 00:04:58,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:04:58,615 INFO L225 Difference]: With dead ends: 12018 [2024-11-10 00:04:58,616 INFO L226 Difference]: Without dead ends: 8158 [2024-11-10 00:04:58,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2024-11-10 00:04:58,622 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1542 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1542 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 00:04:58,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1542 Valid, 972 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 00:04:58,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8158 states. [2024-11-10 00:04:58,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8158 to 4177. [2024-11-10 00:04:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4177 states, 4176 states have (on average 1.4571360153256705) internal successors, (6085), 4176 states have internal predecessors, (6085), 0 states have call successors, (0), 0 states 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 00:04:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 6085 transitions. [2024-11-10 00:04:58,707 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 6085 transitions. Word has length 141 [2024-11-10 00:04:58,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:04:58,707 INFO L471 AbstractCegarLoop]: Abstraction has 4177 states and 6085 transitions. [2024-11-10 00:04:58,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states 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 00:04:58,708 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 6085 transitions. [2024-11-10 00:04:58,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 00:04:58,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:04:58,711 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:04:58,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 00:04:58,711 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:04:58,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:04:58,711 INFO L85 PathProgramCache]: Analyzing trace with hash -549307566, now seen corresponding path program 1 times [2024-11-10 00:04:58,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:04:58,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515561853] [2024-11-10 00:04:58,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:04:58,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:04:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:04:59,302 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 00:04:59,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:04:59,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515561853] [2024-11-10 00:04:59,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515561853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:04:59,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:04:59,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 00:04:59,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649665002] [2024-11-10 00:04:59,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:04:59,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 00:04:59,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:04:59,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 00:04:59,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:04:59,304 INFO L87 Difference]: Start difference. First operand 4177 states and 6085 transitions. Second operand has 13 states, 13 states have (on average 10.923076923076923) internal successors, (142), 12 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:05:00,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:00,239 INFO L93 Difference]: Finished difference Result 19842 states and 29038 transitions. [2024-11-10 00:05:00,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 00:05:00,239 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.923076923076923) internal successors, (142), 12 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-11-10 00:05:00,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:00,256 INFO L225 Difference]: With dead ends: 19842 [2024-11-10 00:05:00,256 INFO L226 Difference]: Without dead ends: 16344 [2024-11-10 00:05:00,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=246, Invalid=746, Unknown=0, NotChecked=0, Total=992 [2024-11-10 00:05:00,264 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 2433 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2433 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:00,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2433 Valid, 1340 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 00:05:00,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16344 states. [2024-11-10 00:05:00,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16344 to 4183. [2024-11-10 00:05:00,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4183 states, 4182 states have (on average 1.456958393113343) internal successors, (6093), 4182 states have internal predecessors, (6093), 0 states have call successors, (0), 0 states 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 00:05:00,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 4183 states and 6093 transitions. [2024-11-10 00:05:00,364 INFO L78 Accepts]: Start accepts. Automaton has 4183 states and 6093 transitions. Word has length 142 [2024-11-10 00:05:00,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:00,364 INFO L471 AbstractCegarLoop]: Abstraction has 4183 states and 6093 transitions. [2024-11-10 00:05:00,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.923076923076923) internal successors, (142), 12 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:05:00,364 INFO L276 IsEmpty]: Start isEmpty. Operand 4183 states and 6093 transitions. [2024-11-10 00:05:00,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 00:05:00,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:00,366 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:00,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 00:05:00,367 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:00,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:00,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1044837184, now seen corresponding path program 1 times [2024-11-10 00:05:00,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:00,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521905078] [2024-11-10 00:05:00,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:00,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:00,459 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 00:05:00,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:00,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521905078] [2024-11-10 00:05:00,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521905078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:00,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:00,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:05:00,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009211098] [2024-11-10 00:05:00,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:00,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:05:00,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:00,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:05:00,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:05:00,461 INFO L87 Difference]: Start difference. First operand 4183 states and 6093 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:05:00,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:00,495 INFO L93 Difference]: Finished difference Result 11027 states and 16279 transitions. [2024-11-10 00:05:00,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:05:00,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-11-10 00:05:00,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:00,503 INFO L225 Difference]: With dead ends: 11027 [2024-11-10 00:05:00,504 INFO L226 Difference]: Without dead ends: 7529 [2024-11-10 00:05:00,511 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 00:05:00,511 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 153 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 645 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 00:05:00,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 645 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:05:00,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7529 states. [2024-11-10 00:05:00,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7529 to 7375. [2024-11-10 00:05:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7375 states, 7374 states have (on average 1.4604014103607268) internal successors, (10769), 7374 states have internal predecessors, (10769), 0 states have call successors, (0), 0 states 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 00:05:00,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7375 states to 7375 states and 10769 transitions. [2024-11-10 00:05:00,586 INFO L78 Accepts]: Start accepts. Automaton has 7375 states and 10769 transitions. Word has length 142 [2024-11-10 00:05:00,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:00,586 INFO L471 AbstractCegarLoop]: Abstraction has 7375 states and 10769 transitions. [2024-11-10 00:05:00,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:05:00,587 INFO L276 IsEmpty]: Start isEmpty. Operand 7375 states and 10769 transitions. [2024-11-10 00:05:00,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 00:05:00,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:00,588 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:00,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 00:05:00,589 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:00,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:00,589 INFO L85 PathProgramCache]: Analyzing trace with hash 641423296, now seen corresponding path program 1 times [2024-11-10 00:05:00,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:00,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009420929] [2024-11-10 00:05:00,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:00,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:00,845 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 00:05:00,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:00,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009420929] [2024-11-10 00:05:00,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009420929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:00,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:00,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:05:00,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997590882] [2024-11-10 00:05:00,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:00,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:05:00,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:00,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:05:00,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:05:00,847 INFO L87 Difference]: Start difference. First operand 7375 states and 10769 transitions. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 9 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:05:01,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:01,268 INFO L93 Difference]: Finished difference Result 14978 states and 21904 transitions. [2024-11-10 00:05:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:05:01,269 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 9 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-11-10 00:05:01,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:01,278 INFO L225 Difference]: With dead ends: 14978 [2024-11-10 00:05:01,278 INFO L226 Difference]: Without dead ends: 8018 [2024-11-10 00:05:01,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-10 00:05:01,284 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 756 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:01,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 985 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:05:01,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8018 states. [2024-11-10 00:05:01,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8018 to 7165. [2024-11-10 00:05:01,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7165 states, 7164 states have (on average 1.461753210496929) internal successors, (10472), 7164 states have internal predecessors, (10472), 0 states have call successors, (0), 0 states 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 00:05:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7165 states to 7165 states and 10472 transitions. [2024-11-10 00:05:01,360 INFO L78 Accepts]: Start accepts. Automaton has 7165 states and 10472 transitions. Word has length 142 [2024-11-10 00:05:01,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:01,360 INFO L471 AbstractCegarLoop]: Abstraction has 7165 states and 10472 transitions. [2024-11-10 00:05:01,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 9 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 00:05:01,361 INFO L276 IsEmpty]: Start isEmpty. Operand 7165 states and 10472 transitions. [2024-11-10 00:05:01,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-10 00:05:01,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:01,362 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:01,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 00:05:01,363 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:01,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:01,363 INFO L85 PathProgramCache]: Analyzing trace with hash -671938949, now seen corresponding path program 1 times [2024-11-10 00:05:01,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:01,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140692837] [2024-11-10 00:05:01,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:01,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:05:01,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:01,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140692837] [2024-11-10 00:05:01,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140692837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:01,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:01,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 00:05:01,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497569879] [2024-11-10 00:05:01,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:01,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 00:05:01,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:01,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 00:05:01,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-10 00:05:01,997 INFO L87 Difference]: Start difference. First operand 7165 states and 10472 transitions. Second operand has 12 states, 12 states have (on average 11.916666666666666) internal successors, (143), 12 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:02,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:02,431 INFO L93 Difference]: Finished difference Result 15290 states and 22471 transitions. [2024-11-10 00:05:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:05:02,432 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.916666666666666) internal successors, (143), 12 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2024-11-10 00:05:02,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:02,447 INFO L225 Difference]: With dead ends: 15290 [2024-11-10 00:05:02,448 INFO L226 Difference]: Without dead ends: 13815 [2024-11-10 00:05:02,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2024-11-10 00:05:02,453 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 1119 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:02,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 1428 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:05:02,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13815 states. [2024-11-10 00:05:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13815 to 7125. [2024-11-10 00:05:02,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7125 states, 7124 states have (on average 1.4622403144300955) internal successors, (10417), 7124 states have internal predecessors, (10417), 0 states have call successors, (0), 0 states 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 00:05:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7125 states to 7125 states and 10417 transitions. [2024-11-10 00:05:02,564 INFO L78 Accepts]: Start accepts. Automaton has 7125 states and 10417 transitions. Word has length 143 [2024-11-10 00:05:02,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:02,564 INFO L471 AbstractCegarLoop]: Abstraction has 7125 states and 10417 transitions. [2024-11-10 00:05:02,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.916666666666666) internal successors, (143), 12 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:02,565 INFO L276 IsEmpty]: Start isEmpty. Operand 7125 states and 10417 transitions. [2024-11-10 00:05:02,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-10 00:05:02,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:02,566 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:02,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 00:05:02,567 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:02,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:02,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1294169163, now seen corresponding path program 1 times [2024-11-10 00:05:02,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:02,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14241874] [2024-11-10 00:05:02,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:02,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:03,168 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 00:05:03,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:03,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14241874] [2024-11-10 00:05:03,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14241874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:03,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:03,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 00:05:03,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086635771] [2024-11-10 00:05:03,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:03,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 00:05:03,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:03,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 00:05:03,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:03,172 INFO L87 Difference]: Start difference. First operand 7125 states and 10417 transitions. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:03,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:03,808 INFO L93 Difference]: Finished difference Result 15453 states and 22675 transitions. [2024-11-10 00:05:03,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 00:05:03,808 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2024-11-10 00:05:03,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:03,825 INFO L225 Difference]: With dead ends: 15453 [2024-11-10 00:05:03,825 INFO L226 Difference]: Without dead ends: 13943 [2024-11-10 00:05:03,832 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 00:05:03,833 INFO L432 NwaCegarLoop]: 412 mSDtfsCounter, 1282 mSDsluCounter, 2749 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1282 SdHoareTripleChecker+Valid, 3161 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:03,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1282 Valid, 3161 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:03,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13943 states. [2024-11-10 00:05:03,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13943 to 7065. [2024-11-10 00:05:03,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7065 states, 7064 states have (on average 1.4627689694224235) internal successors, (10333), 7064 states have internal predecessors, (10333), 0 states have call successors, (0), 0 states 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 00:05:03,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7065 states to 7065 states and 10333 transitions. [2024-11-10 00:05:03,975 INFO L78 Accepts]: Start accepts. Automaton has 7065 states and 10333 transitions. Word has length 143 [2024-11-10 00:05:03,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:03,975 INFO L471 AbstractCegarLoop]: Abstraction has 7065 states and 10333 transitions. [2024-11-10 00:05:03,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:03,976 INFO L276 IsEmpty]: Start isEmpty. Operand 7065 states and 10333 transitions. [2024-11-10 00:05:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-10 00:05:03,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:03,977 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:03,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 00:05:03,977 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:03,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:03,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1735665685, now seen corresponding path program 1 times [2024-11-10 00:05:03,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:03,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639721279] [2024-11-10 00:05:03,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:03,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:08,232 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 00:05:08,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:08,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639721279] [2024-11-10 00:05:08,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639721279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:08,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:08,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [] total 52 [2024-11-10 00:05:08,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649040340] [2024-11-10 00:05:08,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:08,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-10 00:05:08,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:08,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-10 00:05:08,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=2468, Unknown=0, NotChecked=0, Total=2652 [2024-11-10 00:05:08,235 INFO L87 Difference]: Start difference. First operand 7065 states and 10333 transitions. Second operand has 52 states, 52 states have (on average 2.75) internal successors, (143), 52 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:16,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:16,504 INFO L93 Difference]: Finished difference Result 14571 states and 21408 transitions. [2024-11-10 00:05:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-10 00:05:16,505 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 2.75) internal successors, (143), 52 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2024-11-10 00:05:16,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:16,518 INFO L225 Difference]: With dead ends: 14571 [2024-11-10 00:05:16,519 INFO L226 Difference]: Without dead ends: 13865 [2024-11-10 00:05:16,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1657 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1322, Invalid=8380, Unknown=0, NotChecked=0, Total=9702 [2024-11-10 00:05:16,524 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 1596 mSDsluCounter, 8123 mSDsCounter, 0 mSdLazyCounter, 6409 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 8438 SdHoareTripleChecker+Invalid, 6443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 6409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:16,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 8438 Invalid, 6443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 6409 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-10 00:05:16,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13865 states. [2024-11-10 00:05:16,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13865 to 7166. [2024-11-10 00:05:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7166 states, 7165 states have (on average 1.4614096301465458) internal successors, (10471), 7165 states have internal predecessors, (10471), 0 states have call successors, (0), 0 states 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 00:05:16,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7166 states to 7166 states and 10471 transitions. [2024-11-10 00:05:16,627 INFO L78 Accepts]: Start accepts. Automaton has 7166 states and 10471 transitions. Word has length 143 [2024-11-10 00:05:16,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:16,628 INFO L471 AbstractCegarLoop]: Abstraction has 7166 states and 10471 transitions. [2024-11-10 00:05:16,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.75) internal successors, (143), 52 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:16,628 INFO L276 IsEmpty]: Start isEmpty. Operand 7166 states and 10471 transitions. [2024-11-10 00:05:16,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-10 00:05:16,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:16,629 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:16,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 00:05:16,630 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:16,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:16,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1934085427, now seen corresponding path program 1 times [2024-11-10 00:05:16,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:16,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148513409] [2024-11-10 00:05:16,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:16,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:17,173 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 00:05:17,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:17,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148513409] [2024-11-10 00:05:17,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148513409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:17,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:17,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 00:05:17,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468414800] [2024-11-10 00:05:17,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:17,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 00:05:17,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:17,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 00:05:17,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:17,176 INFO L87 Difference]: Start difference. First operand 7166 states and 10471 transitions. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:17,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:17,646 INFO L93 Difference]: Finished difference Result 15441 states and 22656 transitions. [2024-11-10 00:05:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 00:05:17,646 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2024-11-10 00:05:17,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:17,663 INFO L225 Difference]: With dead ends: 15441 [2024-11-10 00:05:17,664 INFO L226 Difference]: Without dead ends: 13975 [2024-11-10 00:05:17,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2024-11-10 00:05:17,671 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 1457 mSDsluCounter, 1658 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1457 SdHoareTripleChecker+Valid, 1940 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:17,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1457 Valid, 1940 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:17,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13975 states. [2024-11-10 00:05:17,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13975 to 7136. [2024-11-10 00:05:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7136 states, 7135 states have (on average 1.460406447091801) internal successors, (10420), 7135 states have internal predecessors, (10420), 0 states have call successors, (0), 0 states 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 00:05:17,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7136 states to 7136 states and 10420 transitions. [2024-11-10 00:05:17,788 INFO L78 Accepts]: Start accepts. Automaton has 7136 states and 10420 transitions. Word has length 143 [2024-11-10 00:05:17,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:17,788 INFO L471 AbstractCegarLoop]: Abstraction has 7136 states and 10420 transitions. [2024-11-10 00:05:17,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:17,788 INFO L276 IsEmpty]: Start isEmpty. Operand 7136 states and 10420 transitions. [2024-11-10 00:05:17,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-10 00:05:17,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:17,790 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:17,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-10 00:05:17,790 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:17,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:17,790 INFO L85 PathProgramCache]: Analyzing trace with hash 330285541, now seen corresponding path program 1 times [2024-11-10 00:05:17,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:17,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749481637] [2024-11-10 00:05:17,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:17,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:19,139 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 00:05:19,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:19,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749481637] [2024-11-10 00:05:19,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749481637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:19,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:19,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-10 00:05:19,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056583945] [2024-11-10 00:05:19,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:19,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 00:05:19,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:19,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 00:05:19,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=537, Unknown=0, NotChecked=0, Total=600 [2024-11-10 00:05:19,140 INFO L87 Difference]: Start difference. First operand 7136 states and 10420 transitions. Second operand has 25 states, 25 states have (on average 5.72) internal successors, (143), 25 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:21,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:21,802 INFO L93 Difference]: Finished difference Result 29078 states and 42708 transitions. [2024-11-10 00:05:21,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-10 00:05:21,802 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 5.72) internal successors, (143), 25 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2024-11-10 00:05:21,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:21,836 INFO L225 Difference]: With dead ends: 29078 [2024-11-10 00:05:21,837 INFO L226 Difference]: Without dead ends: 27646 [2024-11-10 00:05:21,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=506, Invalid=2250, Unknown=0, NotChecked=0, Total=2756 [2024-11-10 00:05:21,850 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 2085 mSDsluCounter, 7126 mSDsCounter, 0 mSdLazyCounter, 2536 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 7649 SdHoareTripleChecker+Invalid, 2544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:21,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2085 Valid, 7649 Invalid, 2544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2536 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 00:05:21,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27646 states. [2024-11-10 00:05:22,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27646 to 7151. [2024-11-10 00:05:22,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7151 states, 7150 states have (on average 1.4587412587412587) internal successors, (10430), 7150 states have internal predecessors, (10430), 0 states have call successors, (0), 0 states 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 00:05:22,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7151 states to 7151 states and 10430 transitions. [2024-11-10 00:05:22,036 INFO L78 Accepts]: Start accepts. Automaton has 7151 states and 10430 transitions. Word has length 143 [2024-11-10 00:05:22,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:22,036 INFO L471 AbstractCegarLoop]: Abstraction has 7151 states and 10430 transitions. [2024-11-10 00:05:22,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.72) internal successors, (143), 25 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:22,037 INFO L276 IsEmpty]: Start isEmpty. Operand 7151 states and 10430 transitions. [2024-11-10 00:05:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-10 00:05:22,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:22,038 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:22,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-10 00:05:22,038 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:22,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:22,038 INFO L85 PathProgramCache]: Analyzing trace with hash -226913123, now seen corresponding path program 1 times [2024-11-10 00:05:22,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:22,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683437100] [2024-11-10 00:05:22,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:22,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:22,615 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 00:05:22,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:22,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683437100] [2024-11-10 00:05:22,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683437100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:22,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:22,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 00:05:22,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657154779] [2024-11-10 00:05:22,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:22,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 00:05:22,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:22,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 00:05:22,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-10 00:05:22,617 INFO L87 Difference]: Start difference. First operand 7151 states and 10430 transitions. Second operand has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:23,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:23,274 INFO L93 Difference]: Finished difference Result 29192 states and 42827 transitions. [2024-11-10 00:05:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 00:05:23,274 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2024-11-10 00:05:23,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:23,308 INFO L225 Difference]: With dead ends: 29192 [2024-11-10 00:05:23,308 INFO L226 Difference]: Without dead ends: 27652 [2024-11-10 00:05:23,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2024-11-10 00:05:23,321 INFO L432 NwaCegarLoop]: 713 mSDtfsCounter, 1035 mSDsluCounter, 6289 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 7002 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:23,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 7002 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:05:23,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27652 states. [2024-11-10 00:05:23,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27652 to 7065. [2024-11-10 00:05:23,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7065 states, 7064 states have (on average 1.460079275198188) internal successors, (10314), 7064 states have internal predecessors, (10314), 0 states have call successors, (0), 0 states 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 00:05:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7065 states to 7065 states and 10314 transitions. [2024-11-10 00:05:23,506 INFO L78 Accepts]: Start accepts. Automaton has 7065 states and 10314 transitions. Word has length 143 [2024-11-10 00:05:23,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:23,506 INFO L471 AbstractCegarLoop]: Abstraction has 7065 states and 10314 transitions. [2024-11-10 00:05:23,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 7065 states and 10314 transitions. [2024-11-10 00:05:23,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-10 00:05:23,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:23,507 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:23,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-10 00:05:23,508 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:23,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:23,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1826891373, now seen corresponding path program 1 times [2024-11-10 00:05:23,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:23,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886990238] [2024-11-10 00:05:23,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:23,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:24,064 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 00:05:24,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:24,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886990238] [2024-11-10 00:05:24,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886990238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:24,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:24,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 00:05:24,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593154646] [2024-11-10 00:05:24,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:24,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 00:05:24,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:24,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 00:05:24,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-10 00:05:24,068 INFO L87 Difference]: Start difference. First operand 7065 states and 10314 transitions. Second operand has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:24,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:24,502 INFO L93 Difference]: Finished difference Result 15285 states and 22419 transitions. [2024-11-10 00:05:24,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:05:24,503 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2024-11-10 00:05:24,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:24,519 INFO L225 Difference]: With dead ends: 15285 [2024-11-10 00:05:24,519 INFO L226 Difference]: Without dead ends: 13752 [2024-11-10 00:05:24,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=466, Unknown=0, NotChecked=0, Total=600 [2024-11-10 00:05:24,525 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 743 mSDsluCounter, 3338 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 3761 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:24,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 3761 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:24,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13752 states. [2024-11-10 00:05:24,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13752 to 6950. [2024-11-10 00:05:24,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6950 states, 6949 states have (on average 1.4636638365232408) internal successors, (10171), 6949 states have internal predecessors, (10171), 0 states have call successors, (0), 0 states 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 00:05:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6950 states to 6950 states and 10171 transitions. [2024-11-10 00:05:24,724 INFO L78 Accepts]: Start accepts. Automaton has 6950 states and 10171 transitions. Word has length 143 [2024-11-10 00:05:24,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:24,724 INFO L471 AbstractCegarLoop]: Abstraction has 6950 states and 10171 transitions. [2024-11-10 00:05:24,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 0 states have call successors, (0), 0 states 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 00:05:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 6950 states and 10171 transitions. [2024-11-10 00:05:24,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 00:05:24,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:24,725 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:24,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-10 00:05:24,725 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:24,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:24,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1168898508, now seen corresponding path program 1 times [2024-11-10 00:05:24,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:24,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722157863] [2024-11-10 00:05:24,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:24,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:25,274 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 00:05:25,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:25,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722157863] [2024-11-10 00:05:25,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722157863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:25,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:25,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 00:05:25,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371455808] [2024-11-10 00:05:25,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:25,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 00:05:25,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:25,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 00:05:25,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-10 00:05:25,277 INFO L87 Difference]: Start difference. First operand 6950 states and 10171 transitions. Second operand has 14 states, 14 states have (on average 10.285714285714286) internal successors, (144), 14 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:25,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:25,898 INFO L93 Difference]: Finished difference Result 28452 states and 41925 transitions. [2024-11-10 00:05:25,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 00:05:25,898 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.285714285714286) internal successors, (144), 14 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2024-11-10 00:05:25,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:25,931 INFO L225 Difference]: With dead ends: 28452 [2024-11-10 00:05:25,931 INFO L226 Difference]: Without dead ends: 27020 [2024-11-10 00:05:25,943 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 00:05:25,943 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 1436 mSDsluCounter, 3329 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1436 SdHoareTripleChecker+Valid, 3860 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:25,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1436 Valid, 3860 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:25,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27020 states. [2024-11-10 00:05:26,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27020 to 6905. [2024-11-10 00:05:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6905 states, 6904 states have (on average 1.4650926998841252) internal successors, (10115), 6904 states have internal predecessors, (10115), 0 states have call successors, (0), 0 states 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 00:05:26,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6905 states to 6905 states and 10115 transitions. [2024-11-10 00:05:26,123 INFO L78 Accepts]: Start accepts. Automaton has 6905 states and 10115 transitions. Word has length 144 [2024-11-10 00:05:26,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:26,124 INFO L471 AbstractCegarLoop]: Abstraction has 6905 states and 10115 transitions. [2024-11-10 00:05:26,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.285714285714286) internal successors, (144), 14 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 6905 states and 10115 transitions. [2024-11-10 00:05:26,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 00:05:26,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:26,125 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:26,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-10 00:05:26,125 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:26,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:26,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1104092464, now seen corresponding path program 1 times [2024-11-10 00:05:26,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:26,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053375030] [2024-11-10 00:05:26,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:26,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 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 [2053375030] [2024-11-10 00:05:26,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053375030] 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 [13] imperfect sequences [] total 13 [2024-11-10 00:05:26,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324399574] [2024-11-10 00:05:26,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:26,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 00:05:26,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:26,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 00:05:26,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:26,730 INFO L87 Difference]: Start difference. First operand 6905 states and 10115 transitions. Second operand has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 13 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:27,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:27,176 INFO L93 Difference]: Finished difference Result 15045 states and 22129 transitions. [2024-11-10 00:05:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 00:05:27,179 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 13 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2024-11-10 00:05:27,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:27,195 INFO L225 Difference]: With dead ends: 15045 [2024-11-10 00:05:27,195 INFO L226 Difference]: Without dead ends: 13597 [2024-11-10 00:05:27,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2024-11-10 00:05:27,201 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 1024 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1024 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:27,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1024 Valid, 2408 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:05:27,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13597 states. [2024-11-10 00:05:27,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13597 to 6867. [2024-11-10 00:05:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6867 states, 6866 states have (on average 1.4667928925138363) internal successors, (10071), 6866 states have internal predecessors, (10071), 0 states have call successors, (0), 0 states 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 00:05:27,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6867 states to 6867 states and 10071 transitions. [2024-11-10 00:05:27,304 INFO L78 Accepts]: Start accepts. Automaton has 6867 states and 10071 transitions. Word has length 144 [2024-11-10 00:05:27,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:27,305 INFO L471 AbstractCegarLoop]: Abstraction has 6867 states and 10071 transitions. [2024-11-10 00:05:27,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 13 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 6867 states and 10071 transitions. [2024-11-10 00:05:27,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-10 00:05:27,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:27,306 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:27,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-10 00:05:27,306 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:27,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:27,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1261565052, now seen corresponding path program 1 times [2024-11-10 00:05:27,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:27,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449116836] [2024-11-10 00:05:27,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:27,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:27,821 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 00:05:27,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:27,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449116836] [2024-11-10 00:05:27,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449116836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:27,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:27,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 00:05:27,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414823892] [2024-11-10 00:05:27,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:27,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 00:05:27,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:27,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 00:05:27,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:27,823 INFO L87 Difference]: Start difference. First operand 6867 states and 10071 transitions. Second operand has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states 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 00:05:28,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:28,292 INFO L93 Difference]: Finished difference Result 14981 states and 22061 transitions. [2024-11-10 00:05:28,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 00:05:28,292 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2024-11-10 00:05:28,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:28,308 INFO L225 Difference]: With dead ends: 14981 [2024-11-10 00:05:28,308 INFO L226 Difference]: Without dead ends: 13571 [2024-11-10 00:05:28,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2024-11-10 00:05:28,315 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 1003 mSDsluCounter, 2653 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1003 SdHoareTripleChecker+Valid, 3031 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:28,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1003 Valid, 3031 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:28,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13571 states. [2024-11-10 00:05:28,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13571 to 6877. [2024-11-10 00:05:28,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6877 states, 6876 states have (on average 1.466695753344968) internal successors, (10085), 6876 states have internal predecessors, (10085), 0 states have call successors, (0), 0 states 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 00:05:28,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6877 states to 6877 states and 10085 transitions. [2024-11-10 00:05:28,418 INFO L78 Accepts]: Start accepts. Automaton has 6877 states and 10085 transitions. Word has length 145 [2024-11-10 00:05:28,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:28,418 INFO L471 AbstractCegarLoop]: Abstraction has 6877 states and 10085 transitions. [2024-11-10 00:05:28,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states 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 00:05:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 6877 states and 10085 transitions. [2024-11-10 00:05:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-10 00:05:28,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:28,419 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:28,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-10 00:05:28,419 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:28,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:28,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1934895892, now seen corresponding path program 1 times [2024-11-10 00:05:28,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:28,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678448364] [2024-11-10 00:05:28,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:28,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:28,468 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 00:05:28,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:28,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678448364] [2024-11-10 00:05:28,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678448364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:28,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:28,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:05:28,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767675767] [2024-11-10 00:05:28,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:28,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:05:28,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:28,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:05:28,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:05:28,470 INFO L87 Difference]: Start difference. First operand 6877 states and 10085 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states 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 00:05:28,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:28,555 INFO L93 Difference]: Finished difference Result 19693 states and 28947 transitions. [2024-11-10 00:05:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:05:28,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 146 [2024-11-10 00:05:28,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:28,570 INFO L225 Difference]: With dead ends: 19693 [2024-11-10 00:05:28,570 INFO L226 Difference]: Without dead ends: 13003 [2024-11-10 00:05:28,577 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 00:05:28,578 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 126 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:28,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 664 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:05:28,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13003 states. [2024-11-10 00:05:28,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13003 to 13001. [2024-11-10 00:05:28,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13001 states, 13000 states have (on average 1.454846153846154) internal successors, (18913), 13000 states have internal predecessors, (18913), 0 states have call successors, (0), 0 states 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 00:05:28,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13001 states to 13001 states and 18913 transitions. [2024-11-10 00:05:28,707 INFO L78 Accepts]: Start accepts. Automaton has 13001 states and 18913 transitions. Word has length 146 [2024-11-10 00:05:28,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:28,707 INFO L471 AbstractCegarLoop]: Abstraction has 13001 states and 18913 transitions. [2024-11-10 00:05:28,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states 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 00:05:28,707 INFO L276 IsEmpty]: Start isEmpty. Operand 13001 states and 18913 transitions. [2024-11-10 00:05:28,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-10 00:05:28,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:28,708 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:28,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-10 00:05:28,709 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:28,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:28,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1321931091, now seen corresponding path program 1 times [2024-11-10 00:05:28,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:28,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124463017] [2024-11-10 00:05:28,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:28,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:28,847 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 00:05:28,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:28,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124463017] [2024-11-10 00:05:28,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124463017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:28,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:28,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:05:28,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498167765] [2024-11-10 00:05:28,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:28,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:05:28,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:28,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:05:28,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:05:28,852 INFO L87 Difference]: Start difference. First operand 13001 states and 18913 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:28,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:28,941 INFO L93 Difference]: Finished difference Result 31365 states and 45759 transitions. [2024-11-10 00:05:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:05:28,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2024-11-10 00:05:28,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:28,961 INFO L225 Difference]: With dead ends: 31365 [2024-11-10 00:05:28,962 INFO L226 Difference]: Without dead ends: 18551 [2024-11-10 00:05:28,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:05:28,976 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 135 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:28,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 681 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:05:28,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18551 states. [2024-11-10 00:05:29,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18551 to 18549. [2024-11-10 00:05:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18549 states, 18548 states have (on average 1.4527172740996335) internal successors, (26945), 18548 states have internal predecessors, (26945), 0 states have call successors, (0), 0 states 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 00:05:29,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18549 states to 18549 states and 26945 transitions. [2024-11-10 00:05:29,182 INFO L78 Accepts]: Start accepts. Automaton has 18549 states and 26945 transitions. Word has length 147 [2024-11-10 00:05:29,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:29,182 INFO L471 AbstractCegarLoop]: Abstraction has 18549 states and 26945 transitions. [2024-11-10 00:05:29,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:29,183 INFO L276 IsEmpty]: Start isEmpty. Operand 18549 states and 26945 transitions. [2024-11-10 00:05:29,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-10 00:05:29,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:29,183 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:05:29,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-10 00:05:29,183 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:29,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:29,184 INFO L85 PathProgramCache]: Analyzing trace with hash -443725866, now seen corresponding path program 1 times [2024-11-10 00:05:29,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:29,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15738776] [2024-11-10 00:05:29,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:29,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:29,399 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 00:05:29,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:29,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15738776] [2024-11-10 00:05:29,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15738776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:29,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:29,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:05:29,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836840089] [2024-11-10 00:05:29,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:29,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:05:29,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:29,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:05:29,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:05:29,400 INFO L87 Difference]: Start difference. First operand 18549 states and 26945 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:29,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:29,463 INFO L93 Difference]: Finished difference Result 18695 states and 27126 transitions. [2024-11-10 00:05:29,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:05:29,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2024-11-10 00:05:29,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:29,485 INFO L225 Difference]: With dead ends: 18695 [2024-11-10 00:05:29,485 INFO L226 Difference]: Without dead ends: 18693 [2024-11-10 00:05:29,493 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 00:05:29,494 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 0 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:29,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1113 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:05:29,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18693 states. [2024-11-10 00:05:29,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18693 to 18693. [2024-11-10 00:05:29,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18693 states, 18692 states have (on average 1.4451637063984593) internal successors, (27013), 18692 states have internal predecessors, (27013), 0 states have call successors, (0), 0 states 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 00:05:29,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18693 states to 18693 states and 27013 transitions. [2024-11-10 00:05:29,704 INFO L78 Accepts]: Start accepts. Automaton has 18693 states and 27013 transitions. Word has length 147 [2024-11-10 00:05:29,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:29,704 INFO L471 AbstractCegarLoop]: Abstraction has 18693 states and 27013 transitions. [2024-11-10 00:05:29,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:05:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 18693 states and 27013 transitions. [2024-11-10 00:05:29,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-10 00:05:29,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:29,708 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, 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 00:05:29,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-10 00:05:29,708 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:29,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:29,709 INFO L85 PathProgramCache]: Analyzing trace with hash -259599650, now seen corresponding path program 1 times [2024-11-10 00:05:29,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:29,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007751159] [2024-11-10 00:05:29,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:29,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:29,948 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 00:05:29,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:29,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007751159] [2024-11-10 00:05:29,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007751159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:29,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:29,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:05:29,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743991558] [2024-11-10 00:05:29,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:29,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 00:05:29,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:29,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 00:05:29,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 00:05:29,950 INFO L87 Difference]: Start difference. First operand 18693 states and 27013 transitions. Second operand has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states 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 00:05:30,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:30,266 INFO L93 Difference]: Finished difference Result 34597 states and 50241 transitions. [2024-11-10 00:05:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:05:30,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 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 188 [2024-11-10 00:05:30,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:30,294 INFO L225 Difference]: With dead ends: 34597 [2024-11-10 00:05:30,295 INFO L226 Difference]: Without dead ends: 21639 [2024-11-10 00:05:30,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-10 00:05:30,313 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 1244 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:30,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 509 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:30,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21639 states. [2024-11-10 00:05:30,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21639 to 18655. [2024-11-10 00:05:30,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18655 states, 18654 states have (on average 1.4419963546692398) internal successors, (26899), 18654 states have internal predecessors, (26899), 0 states have call successors, (0), 0 states 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 00:05:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18655 states to 18655 states and 26899 transitions. [2024-11-10 00:05:30,600 INFO L78 Accepts]: Start accepts. Automaton has 18655 states and 26899 transitions. Word has length 188 [2024-11-10 00:05:30,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:30,601 INFO L471 AbstractCegarLoop]: Abstraction has 18655 states and 26899 transitions. [2024-11-10 00:05:30,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states 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 00:05:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 18655 states and 26899 transitions. [2024-11-10 00:05:30,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-10 00:05:30,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:30,605 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, 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 00:05:30,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-10 00:05:30,605 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:30,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:30,606 INFO L85 PathProgramCache]: Analyzing trace with hash 857157502, now seen corresponding path program 1 times [2024-11-10 00:05:30,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:30,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94785484] [2024-11-10 00:05:30,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:30,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:30,754 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 00:05:30,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:30,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94785484] [2024-11-10 00:05:30,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94785484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:30,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:30,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:05:30,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750683893] [2024-11-10 00:05:30,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:30,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 00:05:30,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:30,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 00:05:30,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 00:05:30,758 INFO L87 Difference]: Start difference. First operand 18655 states and 26899 transitions. Second operand has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states 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 00:05:31,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:31,205 INFO L93 Difference]: Finished difference Result 63995 states and 93066 transitions. [2024-11-10 00:05:31,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:05:31,206 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 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 188 [2024-11-10 00:05:31,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:31,265 INFO L225 Difference]: With dead ends: 63995 [2024-11-10 00:05:31,265 INFO L226 Difference]: Without dead ends: 45527 [2024-11-10 00:05:31,294 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 00:05:31,295 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 1747 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1747 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:31,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1747 Valid, 578 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:05:31,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45527 states. [2024-11-10 00:05:31,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45527 to 27437. [2024-11-10 00:05:31,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27437 states, 27436 states have (on average 1.437964717888905) internal successors, (39452), 27436 states have internal predecessors, (39452), 0 states have call successors, (0), 0 states 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 00:05:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27437 states to 27437 states and 39452 transitions. [2024-11-10 00:05:31,698 INFO L78 Accepts]: Start accepts. Automaton has 27437 states and 39452 transitions. Word has length 188 [2024-11-10 00:05:31,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:31,698 INFO L471 AbstractCegarLoop]: Abstraction has 27437 states and 39452 transitions. [2024-11-10 00:05:31,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states 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 00:05:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 27437 states and 39452 transitions. [2024-11-10 00:05:31,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-10 00:05:31,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:31,702 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, 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 00:05:31,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-10 00:05:31,702 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:31,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:31,702 INFO L85 PathProgramCache]: Analyzing trace with hash -64741986, now seen corresponding path program 1 times [2024-11-10 00:05:31,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:31,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407021177] [2024-11-10 00:05:31,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:31,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:31,850 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 00:05:31,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:31,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407021177] [2024-11-10 00:05:31,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407021177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:31,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:31,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:05:31,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071484754] [2024-11-10 00:05:31,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:31,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 00:05:31,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:31,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 00:05:31,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 00:05:31,852 INFO L87 Difference]: Start difference. First operand 27437 states and 39452 transitions. Second operand has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states 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 00:05:32,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:32,418 INFO L93 Difference]: Finished difference Result 115593 states and 167866 transitions. [2024-11-10 00:05:32,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:05:32,419 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 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 188 [2024-11-10 00:05:32,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:32,528 INFO L225 Difference]: With dead ends: 115593 [2024-11-10 00:05:32,528 INFO L226 Difference]: Without dead ends: 88387 [2024-11-10 00:05:32,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:32,553 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 1662 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:32,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1662 Valid, 576 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:32,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88387 states. [2024-11-10 00:05:33,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88387 to 57601. [2024-11-10 00:05:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57601 states, 57600 states have (on average 1.437326388888889) internal successors, (82790), 57600 states have internal predecessors, (82790), 0 states have call successors, (0), 0 states 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 00:05:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57601 states to 57601 states and 82790 transitions. [2024-11-10 00:05:33,288 INFO L78 Accepts]: Start accepts. Automaton has 57601 states and 82790 transitions. Word has length 188 [2024-11-10 00:05:33,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:33,288 INFO L471 AbstractCegarLoop]: Abstraction has 57601 states and 82790 transitions. [2024-11-10 00:05:33,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states 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 00:05:33,288 INFO L276 IsEmpty]: Start isEmpty. Operand 57601 states and 82790 transitions. [2024-11-10 00:05:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-10 00:05:33,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:33,293 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, 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 00:05:33,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-10 00:05:33,293 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:33,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:33,294 INFO L85 PathProgramCache]: Analyzing trace with hash 480975422, now seen corresponding path program 1 times [2024-11-10 00:05:33,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:33,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805485350] [2024-11-10 00:05:33,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:33,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:33,442 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 00:05:33,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:33,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805485350] [2024-11-10 00:05:33,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805485350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:33,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:33,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:05:33,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003555554] [2024-11-10 00:05:33,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:33,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 00:05:33,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:33,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 00:05:33,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 00:05:33,444 INFO L87 Difference]: Start difference. First operand 57601 states and 82790 transitions. Second operand has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states 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 00:05:34,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:34,577 INFO L93 Difference]: Finished difference Result 227989 states and 330144 transitions. [2024-11-10 00:05:34,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:05:34,581 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 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 188 [2024-11-10 00:05:34,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:34,824 INFO L225 Difference]: With dead ends: 227989 [2024-11-10 00:05:34,824 INFO L226 Difference]: Without dead ends: 170619 [2024-11-10 00:05:35,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:35,133 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 1577 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:35,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 574 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:35,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170619 states. [2024-11-10 00:05:36,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170619 to 120889. [2024-11-10 00:05:36,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120889 states, 120888 states have (on average 1.4361226920786183) internal successors, (173610), 120888 states have internal predecessors, (173610), 0 states have call successors, (0), 0 states 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 00:05:37,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120889 states to 120889 states and 173610 transitions. [2024-11-10 00:05:37,280 INFO L78 Accepts]: Start accepts. Automaton has 120889 states and 173610 transitions. Word has length 188 [2024-11-10 00:05:37,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:37,280 INFO L471 AbstractCegarLoop]: Abstraction has 120889 states and 173610 transitions. [2024-11-10 00:05:37,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states 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 00:05:37,280 INFO L276 IsEmpty]: Start isEmpty. Operand 120889 states and 173610 transitions. [2024-11-10 00:05:37,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-10 00:05:37,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:37,287 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, 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 00:05:37,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-10 00:05:37,287 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:37,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:37,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1545087070, now seen corresponding path program 1 times [2024-11-10 00:05:37,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:37,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949878516] [2024-11-10 00:05:37,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:37,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:37,431 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 00:05:37,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:37,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949878516] [2024-11-10 00:05:37,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949878516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:37,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:37,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:05:37,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213745601] [2024-11-10 00:05:37,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:37,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 00:05:37,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:37,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 00:05:37,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 00:05:37,433 INFO L87 Difference]: Start difference. First operand 120889 states and 173610 transitions. Second operand has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states 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 00:05:39,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:39,114 INFO L93 Difference]: Finished difference Result 449821 states and 649372 transitions. [2024-11-10 00:05:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:05:39,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 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 188 [2024-11-10 00:05:39,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:39,951 INFO L225 Difference]: With dead ends: 449821 [2024-11-10 00:05:39,951 INFO L226 Difference]: Without dead ends: 329163 [2024-11-10 00:05:40,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:40,054 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 1492 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:40,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1492 Valid, 572 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:05:40,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329163 states. [2024-11-10 00:05:43,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329163 to 253385. [2024-11-10 00:05:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253385 states, 253384 states have (on average 1.43473147475768) internal successors, (363538), 253384 states have internal predecessors, (363538), 0 states have call successors, (0), 0 states 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 00:05:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253385 states to 253385 states and 363538 transitions. [2024-11-10 00:05:44,571 INFO L78 Accepts]: Start accepts. Automaton has 253385 states and 363538 transitions. Word has length 188 [2024-11-10 00:05:44,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:05:44,572 INFO L471 AbstractCegarLoop]: Abstraction has 253385 states and 363538 transitions. [2024-11-10 00:05:44,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states 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 00:05:44,572 INFO L276 IsEmpty]: Start isEmpty. Operand 253385 states and 363538 transitions. [2024-11-10 00:05:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-10 00:05:44,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:05:44,581 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, 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 00:05:44,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-10 00:05:44,581 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:05:44,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:05:44,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1333563678, now seen corresponding path program 1 times [2024-11-10 00:05:44,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:05:44,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155409520] [2024-11-10 00:05:44,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:05:44,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:05:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:05:44,740 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 00:05:44,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:05:44,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155409520] [2024-11-10 00:05:44,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155409520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:05:44,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:05:44,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 00:05:44,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261372935] [2024-11-10 00:05:44,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:05:44,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 00:05:44,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:05:44,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 00:05:44,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 00:05:44,742 INFO L87 Difference]: Start difference. First operand 253385 states and 363538 transitions. Second operand has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states 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 00:05:48,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:05:48,310 INFO L93 Difference]: Finished difference Result 887565 states and 1277172 transitions. [2024-11-10 00:05:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:05:48,310 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 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 188 [2024-11-10 00:05:48,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:05:49,544 INFO L225 Difference]: With dead ends: 887565 [2024-11-10 00:05:49,544 INFO L226 Difference]: Without dead ends: 634411 [2024-11-10 00:05:50,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:05:50,360 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 1407 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1407 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:05:50,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1407 Valid, 570 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:05:50,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634411 states.