./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ed6e4196d49d75b29a7ddd297e9986c08c6bd65f18221f72f78571f381f483e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:50:08,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:50:08,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:50:08,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:50:08,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:50:09,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:50:09,015 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:50:09,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:50:09,016 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:50:09,017 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:50:09,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:50:09,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:50:09,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:50:09,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:50:09,020 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:50:09,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:50:09,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:50:09,020 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:50:09,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:50:09,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:50:09,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:50:09,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:50:09,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:50:09,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:50:09,025 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:50:09,025 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:50:09,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:50:09,025 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:50:09,025 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:50:09,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:50:09,026 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:50:09,026 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:50:09,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:50:09,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:50:09,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:50:09,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:50:09,026 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:50:09,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:50:09,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:50:09,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:50:09,027 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:50:09,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:50:09,028 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed6e4196d49d75b29a7ddd297e9986c08c6bd65f18221f72f78571f381f483e [2024-11-09 23:50:09,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:50:09,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:50:09,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:50:09,258 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:50:09,258 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:50:09,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-09 23:50:10,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:50:10,832 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:50:10,833 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-09 23:50:10,857 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbdfcad1/9e5cbd1d8f1843f9b745ed00d3fb5f49/FLAG0a75d1098 [2024-11-09 23:50:10,874 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbdfcad1/9e5cbd1d8f1843f9b745ed00d3fb5f49 [2024-11-09 23:50:10,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:50:10,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:50:10,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:50:10,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:50:10,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:50:10,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:50:10" (1/1) ... [2024-11-09 23:50:10,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bdc919c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:10, skipping insertion in model container [2024-11-09 23:50:10,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:50:10" (1/1) ... [2024-11-09 23:50:10,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:50:11,211 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[8637,8650] [2024-11-09 23:50:11,254 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15862,15875] [2024-11-09 23:50:11,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18059,18072] [2024-11-09 23:50:11,276 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[19083,19096] [2024-11-09 23:50:11,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:50:11,435 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:50:11,475 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[8637,8650] [2024-11-09 23:50:11,496 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15862,15875] [2024-11-09 23:50:11,501 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18059,18072] [2024-11-09 23:50:11,509 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[19083,19096] [2024-11-09 23:50:11,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:50:11,603 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:50:11,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11 WrapperNode [2024-11-09 23:50:11,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:50:11,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:50:11,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:50:11,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:50:11,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11" (1/1) ... [2024-11-09 23:50:11,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11" (1/1) ... [2024-11-09 23:50:11,704 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2847 [2024-11-09 23:50:11,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:50:11,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:50:11,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:50:11,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:50:11,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11" (1/1) ... [2024-11-09 23:50:11,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11" (1/1) ... [2024-11-09 23:50:11,727 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11" (1/1) ... [2024-11-09 23:50:11,770 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 23:50:11,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11" (1/1) ... [2024-11-09 23:50:11,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11" (1/1) ... [2024-11-09 23:50:11,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11" (1/1) ... [2024-11-09 23:50:11,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11" (1/1) ... [2024-11-09 23:50:11,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11" (1/1) ... [2024-11-09 23:50:11,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11" (1/1) ... [2024-11-09 23:50:11,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:50:11,827 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:50:11,827 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:50:11,827 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:50:11,828 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11" (1/1) ... [2024-11-09 23:50:11,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:50:11,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:50:11,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 23:50:11,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 23:50:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:50:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:50:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:50:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:50:12,098 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:50:12,100 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:50:13,420 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc main_~node3____CPAchecker_TMP_0~3#1; [2024-11-09 23:50:13,420 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L828: havoc main_~node1____CPAchecker_TMP_1~1#1; [2024-11-09 23:50:13,420 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2282: havoc main_~main____CPAchecker_TMP_0~19#1;havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~23#1; [2024-11-09 23:50:13,420 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2282: havoc main_~main____CPAchecker_TMP_0~19#1;havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~23#1; [2024-11-09 23:50:13,421 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L301: havoc main_~node2__m2~1#1; [2024-11-09 23:50:13,421 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L368: 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; [2024-11-09 23:50:13,421 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L368: 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; [2024-11-09 23:50:13,421 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1624: havoc main_~node3__m3~6#1; [2024-11-09 23:50:13,421 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3474: havoc main_~main____CPAchecker_TMP_0~37#1;havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~41#1; [2024-11-09 23:50:13,421 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3474: havoc main_~main____CPAchecker_TMP_0~37#1;havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~41#1; [2024-11-09 23:50:13,421 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3145: havoc main_~node3__m3~12#1; [2024-11-09 23:50:13,422 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3938: havoc main_~node3____CPAchecker_TMP_0~11#1; [2024-11-09 23:50:13,422 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4335: havoc main_~main____CPAchecker_TMP_0~51#1;havoc main_~__tmp_55~0#1, main_~assert__arg~54#1;havoc main_~check__tmp~55#1; [2024-11-09 23:50:13,422 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4335: havoc main_~main____CPAchecker_TMP_0~51#1;havoc main_~__tmp_55~0#1, main_~assert__arg~54#1;havoc main_~check__tmp~55#1; [2024-11-09 23:50:13,422 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2089: havoc main_~main____CPAchecker_TMP_0~16#1;havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~20#1; [2024-11-09 23:50:13,422 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2089: havoc main_~main____CPAchecker_TMP_0~16#1;havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~20#1; [2024-11-09 23:50:13,422 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2552: havoc main_~main____CPAchecker_TMP_0~23#1;havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~27#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2552: havoc main_~main____CPAchecker_TMP_0~23#1;havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~27#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3411: havoc main_~node2__m2~5#1;havoc main_~node1____CPAchecker_TMP_1~2#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3015: havoc main_~node3____CPAchecker_TMP_1~7#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3677: havoc main_~node3__m3~14#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2224: havoc main_~main____CPAchecker_TMP_0~18#1;havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~22#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2224: havoc main_~main____CPAchecker_TMP_0~18#1;havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~22#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2687: havoc main_~main____CPAchecker_TMP_0~25#1;havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~29#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2687: havoc main_~main____CPAchecker_TMP_0~25#1;havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~29#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1498: havoc main_~node3____CPAchecker_TMP_1~1#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1300: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4142: havoc main_~main____CPAchecker_TMP_0~48#1;havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~52#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4142: havoc main_~main____CPAchecker_TMP_0~48#1;havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~52#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1634: havoc main_~node3____CPAchecker_TMP_0~2#1; [2024-11-09 23:50:13,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4277: havoc main_~main____CPAchecker_TMP_0~50#1;havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~54#1; [2024-11-09 23:50:13,424 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4277: havoc main_~main____CPAchecker_TMP_0~50#1;havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~54#1; [2024-11-09 23:50:13,424 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2031: havoc main_~main____CPAchecker_TMP_0~15#1;havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~19#1; [2024-11-09 23:50:13,424 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2031: havoc main_~main____CPAchecker_TMP_0~15#1;havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~19#1; [2024-11-09 23:50:13,424 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L908: havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:50:13,424 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L908: havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:50:13,424 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L512: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-09 23:50:13,424 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2494: havoc main_~main____CPAchecker_TMP_0~22#1;havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~26#1; [2024-11-09 23:50:13,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2494: havoc main_~main____CPAchecker_TMP_0~22#1;havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~26#1; [2024-11-09 23:50:13,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3551: havoc main_~node3____CPAchecker_TMP_1~9#1; [2024-11-09 23:50:13,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3155: havoc main_~node3____CPAchecker_TMP_0~8#1; [2024-11-09 23:50:13,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2024-11-09 23:50:13,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1175: havoc main_~main____CPAchecker_TMP_0~5#1;havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2024-11-09 23:50:13,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1175: havoc main_~main____CPAchecker_TMP_0~5#1;havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2024-11-09 23:50:13,465 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L713: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-09 23:50:13,465 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2894: havoc main_~node3__m3~11#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-09 23:50:13,465 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2894: havoc main_~node3__m3~11#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-09 23:50:13,465 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3687: havoc main_~node3____CPAchecker_TMP_0~10#1; [2024-11-09 23:50:13,465 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L318: havoc main_~node3__m3~1#1; [2024-11-09 23:50:13,465 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4084: havoc main_~main____CPAchecker_TMP_0~47#1;havoc main_~__tmp_51~0#1, main_~assert__arg~50#1;havoc main_~check__tmp~51#1; [2024-11-09 23:50:13,465 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4084: havoc main_~main____CPAchecker_TMP_0~47#1;havoc main_~__tmp_51~0#1, main_~assert__arg~50#1;havoc main_~check__tmp~51#1; [2024-11-09 23:50:13,465 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1838: havoc main_~main____CPAchecker_TMP_0~12#1;havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~16#1; [2024-11-09 23:50:13,465 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1838: havoc main_~main____CPAchecker_TMP_0~12#1;havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~16#1; [2024-11-09 23:50:13,465 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2764: havoc main_~node3____CPAchecker_TMP_1~6#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3359: havoc main_~main____CPAchecker_TMP_0~36#1;havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~40#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3359: havoc main_~main____CPAchecker_TMP_0~36#1;havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~40#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2170: havoc main_~main____CPAchecker_TMP_0~17#1;havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~21#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2170: havoc main_~main____CPAchecker_TMP_0~17#1;havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~21#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1973: havoc main_~main____CPAchecker_TMP_0~14#1;havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~18#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1973: havoc main_~main____CPAchecker_TMP_0~14#1;havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~18#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1116: havoc main_~node2__m2~3#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3891: havoc main_~main____CPAchecker_TMP_0~44#1;havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~48#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3891: havoc main_~main____CPAchecker_TMP_0~44#1;havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~48#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,467 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,467 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,467 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,467 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,467 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,467 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,467 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,467 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,469 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,469 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,469 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,469 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:13,469 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L655: havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-09 23:50:13,469 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3430: havoc main_~node3__m3~13#1;havoc main_~node2____CPAchecker_TMP_0~3#1; [2024-11-09 23:50:13,469 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4223: havoc main_~main____CPAchecker_TMP_0~49#1;havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~53#1; [2024-11-09 23:50:13,469 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4223: havoc main_~main____CPAchecker_TMP_0~49#1;havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~53#1; [2024-11-09 23:50:13,469 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2440: havoc main_~main____CPAchecker_TMP_0~21#1;havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~25#1; [2024-11-09 23:50:13,470 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2440: havoc main_~main____CPAchecker_TMP_0~21#1;havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~25#1; [2024-11-09 23:50:13,470 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4026: havoc main_~main____CPAchecker_TMP_0~46#1;havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~50#1; [2024-11-09 23:50:13,470 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4026: havoc main_~main____CPAchecker_TMP_0~46#1;havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~50#1; [2024-11-09 23:50:13,470 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1780: havoc main_~main____CPAchecker_TMP_0~11#1;havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~15#1; [2024-11-09 23:50:13,470 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1780: havoc main_~main____CPAchecker_TMP_0~11#1;havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~15#1; [2024-11-09 23:50:13,470 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2904: havoc main_~node3____CPAchecker_TMP_0~7#1; [2024-11-09 23:50:13,470 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3301: havoc main_~main____CPAchecker_TMP_0~35#1;havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~39#1; [2024-11-09 23:50:13,470 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3301: havoc main_~main____CPAchecker_TMP_0~35#1;havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~39#1; [2024-11-09 23:50:13,470 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2377: havoc main_~node2__m2~4#1; [2024-11-09 23:50:13,471 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L462: havoc main_~node1__m1~3#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:50:13,471 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L462: havoc main_~node1__m1~3#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:50:13,471 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L462: havoc main_~node1__m1~3#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:50:13,471 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2643: havoc main_~node3__m3~10#1; [2024-11-09 23:50:13,471 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2247: havoc main_~node3____CPAchecker_TMP_1~4#1; [2024-11-09 23:50:13,471 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3833: havoc main_~main____CPAchecker_TMP_0~43#1;havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~47#1; [2024-11-09 23:50:13,471 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3833: havoc main_~main____CPAchecker_TMP_0~43#1;havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~47#1; [2024-11-09 23:50:13,471 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc main_~main____CPAchecker_TMP_0~32#1;havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~36#1; [2024-11-09 23:50:13,471 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc main_~main____CPAchecker_TMP_0~32#1;havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~36#1; [2024-11-09 23:50:13,472 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1919: havoc main_~main____CPAchecker_TMP_0~13#1;havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~17#1; [2024-11-09 23:50:13,472 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1919: havoc main_~main____CPAchecker_TMP_0~13#1;havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~17#1; [2024-11-09 23:50:13,472 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1722: havoc main_~main____CPAchecker_TMP_0~10#1;havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~14#1; [2024-11-09 23:50:13,472 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1722: havoc main_~main____CPAchecker_TMP_0~10#1;havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~14#1; [2024-11-09 23:50:13,472 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3440: havoc main_~node3____CPAchecker_TMP_0~9#1; [2024-11-09 23:50:13,472 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1591: havoc main_~main____CPAchecker_TMP_0~8#1;havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~12#1; [2024-11-09 23:50:13,472 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1591: havoc main_~main____CPAchecker_TMP_0~8#1;havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~12#1; [2024-11-09 23:50:13,472 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3243: havoc main_~main____CPAchecker_TMP_0~34#1;havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~38#1; [2024-11-09 23:50:13,472 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3243: havoc main_~main____CPAchecker_TMP_0~34#1;havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~38#1; [2024-11-09 23:50:13,472 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4300: havoc main_~node3____CPAchecker_TMP_1~12#1; [2024-11-09 23:50:13,473 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2517: havoc main_~node3____CPAchecker_TMP_1~5#1; [2024-11-09 23:50:13,473 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L800: havoc main_~node1____CPAchecker_TMP_0~2#1; [2024-11-09 23:50:13,473 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3972: havoc main_~main____CPAchecker_TMP_0~45#1;havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~49#1; [2024-11-09 23:50:13,473 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3972: havoc main_~main____CPAchecker_TMP_0~45#1;havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~49#1; [2024-11-09 23:50:13,473 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1330: havoc main_~check__tmp~9#1; [2024-11-09 23:50:13,473 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1000: havoc main_~main____CPAchecker_TMP_0~4#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2024-11-09 23:50:13,473 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1000: havoc main_~main____CPAchecker_TMP_0~4#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2024-11-09 23:50:13,473 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775: havoc main_~main____CPAchecker_TMP_0~42#1;havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~46#1; [2024-11-09 23:50:13,473 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775: havoc main_~main____CPAchecker_TMP_0~42#1;havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~46#1; [2024-11-09 23:50:13,473 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1133: havoc main_~node3__m3~4#1; [2024-11-09 23:50:13,473 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3644: havoc main_~main____CPAchecker_TMP_0~40#1;havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~44#1; [2024-11-09 23:50:13,473 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3644: havoc main_~main____CPAchecker_TMP_0~40#1;havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~44#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2653: havoc main_~node3____CPAchecker_TMP_0~6#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1266: havoc main_~node3__m3~5#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3050: havoc main_~main____CPAchecker_TMP_0~31#1;havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~35#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3050: havoc main_~main____CPAchecker_TMP_0~31#1;havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~35#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L540: havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L408: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L408: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L408: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L408: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2126: havoc main_~node3__m3~8#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1533: havoc main_~main____CPAchecker_TMP_0~7#1;havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~11#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1533: havoc main_~main____CPAchecker_TMP_0~7#1;havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~11#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L212: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1996: havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L741: havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-09 23:50:13,474 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2857: havoc main_~main____CPAchecker_TMP_0~28#1;havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~32#1; [2024-11-09 23:50:13,475 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2857: havoc main_~main____CPAchecker_TMP_0~28#1;havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~32#1; [2024-11-09 23:50:13,475 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1668: havoc main_~main____CPAchecker_TMP_0~9#1;havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~13#1; [2024-11-09 23:50:13,475 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1668: havoc main_~main____CPAchecker_TMP_0~9#1;havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~13#1; [2024-11-09 23:50:13,475 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4179: havoc main_~node3__m3~16#1; [2024-11-09 23:50:13,475 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2396: havoc main_~node3__m3~9#1;havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-09 23:50:13,475 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3189: havoc main_~main____CPAchecker_TMP_0~33#1;havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~37#1; [2024-11-09 23:50:13,475 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3189: havoc main_~main____CPAchecker_TMP_0~33#1;havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~37#1; [2024-11-09 23:50:13,475 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3586: havoc main_~main____CPAchecker_TMP_0~39#1;havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~43#1; [2024-11-09 23:50:13,476 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3586: havoc main_~main____CPAchecker_TMP_0~39#1;havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~43#1; [2024-11-09 23:50:13,476 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L283: havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:50:13,476 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L283: havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:50:13,476 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2992: havoc main_~main____CPAchecker_TMP_0~30#1;havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~34#1; [2024-11-09 23:50:13,476 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2992: havoc main_~main____CPAchecker_TMP_0~30#1;havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~34#1; [2024-11-09 23:50:13,476 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4049: havoc main_~node3____CPAchecker_TMP_1~11#1; [2024-11-09 23:50:13,476 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3721: havoc main_~main____CPAchecker_TMP_0~41#1;havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~45#1; [2024-11-09 23:50:13,476 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3721: havoc main_~main____CPAchecker_TMP_0~41#1;havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~45#1; [2024-11-09 23:50:13,476 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1475: havoc main_~main____CPAchecker_TMP_0~6#1;havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~10#1; [2024-11-09 23:50:13,477 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1475: havoc main_~main____CPAchecker_TMP_0~6#1;havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~10#1; [2024-11-09 23:50:13,477 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2136: havoc main_~node3____CPAchecker_TMP_0~4#1; [2024-11-09 23:50:13,477 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2799: havoc main_~main____CPAchecker_TMP_0~27#1;havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~31#1; [2024-11-09 23:50:13,477 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2799: havoc main_~main____CPAchecker_TMP_0~27#1;havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~31#1; [2024-11-09 23:50:13,477 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1875: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-09 23:50:13,477 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1875: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-09 23:50:13,477 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3528: havoc main_~main____CPAchecker_TMP_0~38#1;havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~42#1; [2024-11-09 23:50:13,477 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3528: havoc main_~main____CPAchecker_TMP_0~38#1;havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~42#1; [2024-11-09 23:50:13,477 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4189: havoc main_~node3____CPAchecker_TMP_0~12#1; [2024-11-09 23:50:13,478 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1745: havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-09 23:50:13,478 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2406: havoc main_~node3____CPAchecker_TMP_0~5#1; [2024-11-09 23:50:13,478 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2340: havoc main_~main____CPAchecker_TMP_0~20#1;havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~24#1; [2024-11-09 23:50:13,478 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2340: havoc main_~main____CPAchecker_TMP_0~20#1;havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~24#1; [2024-11-09 23:50:13,478 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1217: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1; [2024-11-09 23:50:13,478 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3266: havoc main_~node3____CPAchecker_TMP_1~8#1; [2024-11-09 23:50:13,478 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928: havoc main_~node3__m3~15#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-09 23:50:13,478 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928: havoc main_~node3__m3~15#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-09 23:50:13,478 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2938: havoc main_~main____CPAchecker_TMP_0~29#1;havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~33#1; [2024-11-09 23:50:13,478 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2938: havoc main_~main____CPAchecker_TMP_0~29#1;havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~33#1; [2024-11-09 23:50:13,478 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3798: havoc main_~node3____CPAchecker_TMP_1~10#1; [2024-11-09 23:50:13,479 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2741: havoc main_~main____CPAchecker_TMP_0~26#1;havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~30#1; [2024-11-09 23:50:13,479 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2741: havoc main_~main____CPAchecker_TMP_0~26#1;havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~30#1; [2024-11-09 23:50:13,479 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L627: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-09 23:50:13,479 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L231: havoc main_~node3__m3~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-09 23:50:13,479 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4393: havoc main_~main____CPAchecker_TMP_0~52#1;havoc main_~__tmp_56~0#1, main_~assert__arg~55#1;havoc main_~check__tmp~56#1; [2024-11-09 23:50:13,479 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4393: havoc main_~main____CPAchecker_TMP_0~52#1;havoc main_~__tmp_56~0#1, main_~assert__arg~55#1;havoc main_~check__tmp~56#1; [2024-11-09 23:50:13,479 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L958: havoc main_~node3__m3~3#1; [2024-11-09 23:50:13,479 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2610: havoc main_~main____CPAchecker_TMP_0~24#1;havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~28#1; [2024-11-09 23:50:13,479 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2610: havoc main_~main____CPAchecker_TMP_0~24#1;havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~28#1; [2024-11-09 23:50:13,567 INFO L? ?]: Removed 486 outVars from TransFormulas that were not future-live. [2024-11-09 23:50:13,567 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:50:13,593 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:50:13,596 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:50:13,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:50:13 BoogieIcfgContainer [2024-11-09 23:50:13,596 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:50:13,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:50:13,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:50:13,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:50:13,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:50:10" (1/3) ... [2024-11-09 23:50:13,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b262cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:50:13, skipping insertion in model container [2024-11-09 23:50:13,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:11" (2/3) ... [2024-11-09 23:50:13,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b262cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:50:13, skipping insertion in model container [2024-11-09 23:50:13,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:50:13" (3/3) ... [2024-11-09 23:50:13,605 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-09 23:50:13,619 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:50:13,620 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 23:50:13,693 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:50:13,699 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;@676ff641, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:50:13,699 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 23:50:13,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 466 states, 461 states have (on average 1.8329718004338396) internal successors, (845), 465 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:13,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 23:50:13,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:13,724 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] [2024-11-09 23:50:13,724 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:13,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:13,728 INFO L85 PathProgramCache]: Analyzing trace with hash -806461305, now seen corresponding path program 1 times [2024-11-09 23:50:13,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:13,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569048702] [2024-11-09 23:50:13,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:13,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:14,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:14,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569048702] [2024-11-09 23:50:14,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569048702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:14,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:14,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:50:14,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593620242] [2024-11-09 23:50:14,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:14,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:50:14,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:14,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:50:14,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:50:14,300 INFO L87 Difference]: Start difference. First operand has 466 states, 461 states have (on average 1.8329718004338396) internal successors, (845), 465 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:14,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:14,754 INFO L93 Difference]: Finished difference Result 854 states and 1494 transitions. [2024-11-09 23:50:14,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:50:14,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2024-11-09 23:50:14,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:14,777 INFO L225 Difference]: With dead ends: 854 [2024-11-09 23:50:14,777 INFO L226 Difference]: Without dead ends: 496 [2024-11-09 23:50:14,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:50:14,784 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 2328 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2328 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:14,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2328 Valid, 588 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:50:14,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-09 23:50:14,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 490. [2024-11-09 23:50:14,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 486 states have (on average 1.3580246913580247) internal successors, (660), 489 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:14,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 660 transitions. [2024-11-09 23:50:14,833 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 660 transitions. Word has length 51 [2024-11-09 23:50:14,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:14,833 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 660 transitions. [2024-11-09 23:50:14,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:14,834 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 660 transitions. [2024-11-09 23:50:14,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 23:50:14,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:14,836 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] [2024-11-09 23:50:14,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:50:14,836 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:14,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:14,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1900715312, now seen corresponding path program 1 times [2024-11-09 23:50:14,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:14,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685655384] [2024-11-09 23:50:14,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:14,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:14,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:14,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685655384] [2024-11-09 23:50:14,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685655384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:14,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:14,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:14,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464669077] [2024-11-09 23:50:14,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:14,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:14,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:14,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:14,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:14,948 INFO L87 Difference]: Start difference. First operand 490 states and 660 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:14,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:14,981 INFO L93 Difference]: Finished difference Result 969 states and 1355 transitions. [2024-11-09 23:50:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:14,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-09 23:50:14,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:14,985 INFO L225 Difference]: With dead ends: 969 [2024-11-09 23:50:14,985 INFO L226 Difference]: Without dead ends: 705 [2024-11-09 23:50:14,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:14,988 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 274 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:14,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 868 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:14,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-11-09 23:50:15,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 699. [2024-11-09 23:50:15,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 695 states have (on average 1.3841726618705037) internal successors, (962), 698 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:15,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 962 transitions. [2024-11-09 23:50:15,014 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 962 transitions. Word has length 52 [2024-11-09 23:50:15,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:15,014 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 962 transitions. [2024-11-09 23:50:15,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:15,014 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 962 transitions. [2024-11-09 23:50:15,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 23:50:15,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:15,016 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] [2024-11-09 23:50:15,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:50:15,016 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:15,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:15,016 INFO L85 PathProgramCache]: Analyzing trace with hash -501520602, now seen corresponding path program 1 times [2024-11-09 23:50:15,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:15,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455852684] [2024-11-09 23:50:15,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:15,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:15,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:15,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455852684] [2024-11-09 23:50:15,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455852684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:15,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:15,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:15,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910252496] [2024-11-09 23:50:15,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:15,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:15,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:15,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:15,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:15,104 INFO L87 Difference]: Start difference. First operand 699 states and 962 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:15,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:15,170 INFO L93 Difference]: Finished difference Result 1613 states and 2267 transitions. [2024-11-09 23:50:15,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:15,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-09 23:50:15,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:15,173 INFO L225 Difference]: With dead ends: 1613 [2024-11-09 23:50:15,173 INFO L226 Difference]: Without dead ends: 1130 [2024-11-09 23:50:15,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:15,175 INFO L432 NwaCegarLoop]: 602 mSDtfsCounter, 367 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:15,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 943 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:15,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2024-11-09 23:50:15,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1120. [2024-11-09 23:50:15,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1116 states have (on average 1.3808243727598566) internal successors, (1541), 1119 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:15,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1541 transitions. [2024-11-09 23:50:15,195 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1541 transitions. Word has length 52 [2024-11-09 23:50:15,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:15,196 INFO L471 AbstractCegarLoop]: Abstraction has 1120 states and 1541 transitions. [2024-11-09 23:50:15,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1541 transitions. [2024-11-09 23:50:15,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 23:50:15,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:15,198 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] [2024-11-09 23:50:15,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 23:50:15,198 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:15,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:15,198 INFO L85 PathProgramCache]: Analyzing trace with hash 2003640794, now seen corresponding path program 1 times [2024-11-09 23:50:15,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:15,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48920555] [2024-11-09 23:50:15,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:15,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:15,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:15,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:15,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48920555] [2024-11-09 23:50:15,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48920555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:15,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:15,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:15,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330670716] [2024-11-09 23:50:15,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:15,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:15,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:15,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:15,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:15,282 INFO L87 Difference]: Start difference. First operand 1120 states and 1541 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:15,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:15,335 INFO L93 Difference]: Finished difference Result 2460 states and 3450 transitions. [2024-11-09 23:50:15,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:15,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-09 23:50:15,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:15,341 INFO L225 Difference]: With dead ends: 2460 [2024-11-09 23:50:15,341 INFO L226 Difference]: Without dead ends: 1771 [2024-11-09 23:50:15,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:15,345 INFO L432 NwaCegarLoop]: 586 mSDtfsCounter, 267 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:15,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 936 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:15,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2024-11-09 23:50:15,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1764. [2024-11-09 23:50:15,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1764 states, 1760 states have (on average 1.38125) internal successors, (2431), 1763 states have internal predecessors, (2431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 2431 transitions. [2024-11-09 23:50:15,375 INFO L78 Accepts]: Start accepts. Automaton has 1764 states and 2431 transitions. Word has length 52 [2024-11-09 23:50:15,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:15,376 INFO L471 AbstractCegarLoop]: Abstraction has 1764 states and 2431 transitions. [2024-11-09 23:50:15,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:15,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2431 transitions. [2024-11-09 23:50:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 23:50:15,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:15,378 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] [2024-11-09 23:50:15,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 23:50:15,379 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:15,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:15,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1900513041, now seen corresponding path program 1 times [2024-11-09 23:50:15,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:15,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875642653] [2024-11-09 23:50:15,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:15,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:15,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:15,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875642653] [2024-11-09 23:50:15,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875642653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:15,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:15,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:50:15,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349143854] [2024-11-09 23:50:15,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:15,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:50:15,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:15,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:50:15,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:50:15,506 INFO L87 Difference]: Start difference. First operand 1764 states and 2431 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:15,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:15,779 INFO L93 Difference]: Finished difference Result 3836 states and 5326 transitions. [2024-11-09 23:50:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:50:15,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-09 23:50:15,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:15,786 INFO L225 Difference]: With dead ends: 3836 [2024-11-09 23:50:15,786 INFO L226 Difference]: Without dead ends: 2283 [2024-11-09 23:50:15,789 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 [2024-11-09 23:50:15,790 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 1541 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:15,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 368 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:50:15,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2024-11-09 23:50:15,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 2268. [2024-11-09 23:50:15,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2268 states, 2264 states have (on average 1.3758833922261484) internal successors, (3115), 2267 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 2268 states and 3115 transitions. [2024-11-09 23:50:15,826 INFO L78 Accepts]: Start accepts. Automaton has 2268 states and 3115 transitions. Word has length 52 [2024-11-09 23:50:15,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:15,827 INFO L471 AbstractCegarLoop]: Abstraction has 2268 states and 3115 transitions. [2024-11-09 23:50:15,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 3115 transitions. [2024-11-09 23:50:15,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 23:50:15,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:15,829 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:15,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 23:50:15,829 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:15,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:15,829 INFO L85 PathProgramCache]: Analyzing trace with hash 700739506, now seen corresponding path program 1 times [2024-11-09 23:50:15,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:15,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643471496] [2024-11-09 23:50:15,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:15,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:15,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:15,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643471496] [2024-11-09 23:50:15,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643471496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:15,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:15,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:50:15,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377403428] [2024-11-09 23:50:15,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:15,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:50:15,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:15,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:50:15,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:50:15,948 INFO L87 Difference]: Start difference. First operand 2268 states and 3115 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:16,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:16,168 INFO L93 Difference]: Finished difference Result 5194 states and 7195 transitions. [2024-11-09 23:50:16,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:50:16,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2024-11-09 23:50:16,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:16,176 INFO L225 Difference]: With dead ends: 5194 [2024-11-09 23:50:16,177 INFO L226 Difference]: Without dead ends: 3080 [2024-11-09 23:50:16,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:50:16,181 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 1465 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:16,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 358 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:50:16,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2024-11-09 23:50:16,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 3062. [2024-11-09 23:50:16,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3058 states have (on average 1.3780248528449968) internal successors, (4214), 3061 states have internal predecessors, (4214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4214 transitions. [2024-11-09 23:50:16,242 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4214 transitions. Word has length 53 [2024-11-09 23:50:16,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:16,243 INFO L471 AbstractCegarLoop]: Abstraction has 3062 states and 4214 transitions. [2024-11-09 23:50:16,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:16,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4214 transitions. [2024-11-09 23:50:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 23:50:16,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:16,245 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] [2024-11-09 23:50:16,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:50:16,246 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:16,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:16,246 INFO L85 PathProgramCache]: Analyzing trace with hash 984927866, now seen corresponding path program 1 times [2024-11-09 23:50:16,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:16,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758505547] [2024-11-09 23:50:16,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:16,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:16,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:16,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758505547] [2024-11-09 23:50:16,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758505547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:16,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:16,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:50:16,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491617894] [2024-11-09 23:50:16,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:16,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:50:16,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:16,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:50:16,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:50:16,382 INFO L87 Difference]: Start difference. First operand 3062 states and 4214 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:16,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:16,784 INFO L93 Difference]: Finished difference Result 7512 states and 10445 transitions. [2024-11-09 23:50:16,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:50:16,785 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-09 23:50:16,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:16,804 INFO L225 Difference]: With dead ends: 7512 [2024-11-09 23:50:16,804 INFO L226 Difference]: Without dead ends: 6514 [2024-11-09 23:50:16,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:50:16,810 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 1999 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1999 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:16,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1999 Valid, 647 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:50:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6514 states. [2024-11-09 23:50:16,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6514 to 3096. [2024-11-09 23:50:16,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3096 states, 3092 states have (on average 1.3771021992238033) internal successors, (4258), 3095 states have internal predecessors, (4258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 4258 transitions. [2024-11-09 23:50:16,932 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 4258 transitions. Word has length 54 [2024-11-09 23:50:16,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:16,933 INFO L471 AbstractCegarLoop]: Abstraction has 3096 states and 4258 transitions. [2024-11-09 23:50:16,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:16,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 4258 transitions. [2024-11-09 23:50:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 23:50:16,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:16,935 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] [2024-11-09 23:50:16,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:50:16,935 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:16,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:16,936 INFO L85 PathProgramCache]: Analyzing trace with hash -798050000, now seen corresponding path program 1 times [2024-11-09 23:50:16,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:16,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61009137] [2024-11-09 23:50:16,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:16,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:17,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:17,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61009137] [2024-11-09 23:50:17,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61009137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:17,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:17,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:50:17,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810069018] [2024-11-09 23:50:17,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:17,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:50:17,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:17,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:50:17,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:50:17,089 INFO L87 Difference]: Start difference. First operand 3096 states and 4258 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:17,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:17,486 INFO L93 Difference]: Finished difference Result 6773 states and 9440 transitions. [2024-11-09 23:50:17,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:50:17,486 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-09 23:50:17,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:17,501 INFO L225 Difference]: With dead ends: 6773 [2024-11-09 23:50:17,501 INFO L226 Difference]: Without dead ends: 5607 [2024-11-09 23:50:17,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:50:17,506 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 1872 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:17,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1872 Valid, 632 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:50:17,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5607 states. [2024-11-09 23:50:17,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5607 to 3118. [2024-11-09 23:50:17,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3118 states, 3114 states have (on average 1.3773281952472705) internal successors, (4289), 3117 states have internal predecessors, (4289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 4289 transitions. [2024-11-09 23:50:17,619 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 4289 transitions. Word has length 54 [2024-11-09 23:50:17,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:17,619 INFO L471 AbstractCegarLoop]: Abstraction has 3118 states and 4289 transitions. [2024-11-09 23:50:17,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:17,620 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 4289 transitions. [2024-11-09 23:50:17,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 23:50:17,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:17,621 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] [2024-11-09 23:50:17,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:50:17,621 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:17,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:17,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1916256903, now seen corresponding path program 1 times [2024-11-09 23:50:17,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:17,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644827092] [2024-11-09 23:50:17,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:17,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:17,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:17,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:17,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644827092] [2024-11-09 23:50:17,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644827092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:17,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:17,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:50:17,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743842655] [2024-11-09 23:50:17,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:17,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:50:17,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:17,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:50:17,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:50:17,774 INFO L87 Difference]: Start difference. First operand 3118 states and 4289 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:18,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:18,158 INFO L93 Difference]: Finished difference Result 6140 states and 8521 transitions. [2024-11-09 23:50:18,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:50:18,158 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-09 23:50:18,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:18,171 INFO L225 Difference]: With dead ends: 6140 [2024-11-09 23:50:18,171 INFO L226 Difference]: Without dead ends: 4763 [2024-11-09 23:50:18,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:50:18,175 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1744 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:18,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 596 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:50:18,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4763 states. [2024-11-09 23:50:18,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4763 to 3132. [2024-11-09 23:50:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3132 states, 3128 states have (on average 1.376918158567775) internal successors, (4307), 3131 states have internal predecessors, (4307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:18,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 3132 states and 4307 transitions. [2024-11-09 23:50:18,240 INFO L78 Accepts]: Start accepts. Automaton has 3132 states and 4307 transitions. Word has length 54 [2024-11-09 23:50:18,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:18,240 INFO L471 AbstractCegarLoop]: Abstraction has 3132 states and 4307 transitions. [2024-11-09 23:50:18,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 4307 transitions. [2024-11-09 23:50:18,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 23:50:18,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:18,242 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] [2024-11-09 23:50:18,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:50:18,242 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:18,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:18,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1188777348, now seen corresponding path program 1 times [2024-11-09 23:50:18,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:18,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032296229] [2024-11-09 23:50:18,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:18,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:18,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:18,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032296229] [2024-11-09 23:50:18,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032296229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:18,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:18,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:50:18,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862527919] [2024-11-09 23:50:18,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:18,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 23:50:18,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:18,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 23:50:18,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 23:50:18,468 INFO L87 Difference]: Start difference. First operand 3132 states and 4307 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:18,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:18,906 INFO L93 Difference]: Finished difference Result 7564 states and 10601 transitions. [2024-11-09 23:50:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:50:18,906 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 23:50:18,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:18,922 INFO L225 Difference]: With dead ends: 7564 [2024-11-09 23:50:18,922 INFO L226 Difference]: Without dead ends: 5513 [2024-11-09 23:50:18,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-09 23:50:18,926 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 1763 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:18,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1763 Valid, 901 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:50:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5513 states. [2024-11-09 23:50:18,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5513 to 3045. [2024-11-09 23:50:18,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3045 states, 3041 states have (on average 1.3761920420914173) internal successors, (4185), 3044 states have internal predecessors, (4185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:18,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 4185 transitions. [2024-11-09 23:50:18,977 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 4185 transitions. Word has length 55 [2024-11-09 23:50:18,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:18,977 INFO L471 AbstractCegarLoop]: Abstraction has 3045 states and 4185 transitions. [2024-11-09 23:50:18,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:18,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 4185 transitions. [2024-11-09 23:50:18,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 23:50:18,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:18,979 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] [2024-11-09 23:50:18,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 23:50:18,979 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:18,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:18,980 INFO L85 PathProgramCache]: Analyzing trace with hash 210417362, now seen corresponding path program 1 times [2024-11-09 23:50:18,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:18,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492248093] [2024-11-09 23:50:18,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:18,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:19,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:19,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492248093] [2024-11-09 23:50:19,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492248093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:19,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:19,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:50:19,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311699099] [2024-11-09 23:50:19,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:19,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:50:19,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:19,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:50:19,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:50:19,197 INFO L87 Difference]: Start difference. First operand 3045 states and 4185 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:19,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:19,739 INFO L93 Difference]: Finished difference Result 7486 states and 10419 transitions. [2024-11-09 23:50:19,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:50:19,740 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 23:50:19,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:19,748 INFO L225 Difference]: With dead ends: 7486 [2024-11-09 23:50:19,748 INFO L226 Difference]: Without dead ends: 5589 [2024-11-09 23:50:19,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-09 23:50:19,753 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 1802 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1802 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:19,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1802 Valid, 1166 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:50:19,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5589 states. [2024-11-09 23:50:19,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5589 to 3016. [2024-11-09 23:50:19,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3016 states, 3012 states have (on average 1.3758300132802126) internal successors, (4144), 3015 states have internal predecessors, (4144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 4144 transitions. [2024-11-09 23:50:19,819 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 4144 transitions. Word has length 55 [2024-11-09 23:50:19,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:19,819 INFO L471 AbstractCegarLoop]: Abstraction has 3016 states and 4144 transitions. [2024-11-09 23:50:19,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 4144 transitions. [2024-11-09 23:50:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 23:50:19,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:19,821 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] [2024-11-09 23:50:19,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:50:19,822 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:19,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:19,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1328037724, now seen corresponding path program 1 times [2024-11-09 23:50:19,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:19,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969800420] [2024-11-09 23:50:19,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:19,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:20,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:20,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969800420] [2024-11-09 23:50:20,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969800420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:20,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:20,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:50:20,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865231279] [2024-11-09 23:50:20,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:20,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:50:20,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:20,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:50:20,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:50:20,065 INFO L87 Difference]: Start difference. First operand 3016 states and 4144 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:20,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:20,612 INFO L93 Difference]: Finished difference Result 4540 states and 6256 transitions. [2024-11-09 23:50:20,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:50:20,612 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 23:50:20,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:20,619 INFO L225 Difference]: With dead ends: 4540 [2024-11-09 23:50:20,619 INFO L226 Difference]: Without dead ends: 4535 [2024-11-09 23:50:20,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-09 23:50:20,621 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 1771 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1771 SdHoareTripleChecker+Valid, 1312 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:20,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1771 Valid, 1312 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:50:20,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2024-11-09 23:50:20,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 3016. [2024-11-09 23:50:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3016 states, 3012 states have (on average 1.3751660026560426) internal successors, (4142), 3015 states have internal predecessors, (4142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:20,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 4142 transitions. [2024-11-09 23:50:20,675 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 4142 transitions. Word has length 55 [2024-11-09 23:50:20,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:20,675 INFO L471 AbstractCegarLoop]: Abstraction has 3016 states and 4142 transitions. [2024-11-09 23:50:20,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:20,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 4142 transitions. [2024-11-09 23:50:20,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 23:50:20,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:20,677 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:20,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:50:20,677 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:20,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:20,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1857805564, now seen corresponding path program 1 times [2024-11-09 23:50:20,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:20,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212402048] [2024-11-09 23:50:20,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:20,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:20,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:20,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:20,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212402048] [2024-11-09 23:50:20,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212402048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:20,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:20,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:20,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128357335] [2024-11-09 23:50:20,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:20,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:20,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:20,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:20,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:20,722 INFO L87 Difference]: Start difference. First operand 3016 states and 4142 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:20,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:20,750 INFO L93 Difference]: Finished difference Result 4136 states and 5690 transitions. [2024-11-09 23:50:20,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:20,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-09 23:50:20,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:20,754 INFO L225 Difference]: With dead ends: 4136 [2024-11-09 23:50:20,754 INFO L226 Difference]: Without dead ends: 3007 [2024-11-09 23:50:20,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:20,756 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 264 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:20,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 825 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:20,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3007 states. [2024-11-09 23:50:20,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3007 to 3001. [2024-11-09 23:50:20,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2997 states have (on average 1.348682015348682) internal successors, (4042), 3000 states have internal predecessors, (4042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4042 transitions. [2024-11-09 23:50:20,787 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4042 transitions. Word has length 56 [2024-11-09 23:50:20,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:20,787 INFO L471 AbstractCegarLoop]: Abstraction has 3001 states and 4042 transitions. [2024-11-09 23:50:20,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:20,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4042 transitions. [2024-11-09 23:50:20,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 23:50:20,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:20,789 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] [2024-11-09 23:50:20,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:50:20,789 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:20,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:20,790 INFO L85 PathProgramCache]: Analyzing trace with hash -357449537, now seen corresponding path program 1 times [2024-11-09 23:50:20,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:20,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105929749] [2024-11-09 23:50:20,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:20,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:20,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:20,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:20,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105929749] [2024-11-09 23:50:20,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105929749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:20,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:20,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:20,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092061802] [2024-11-09 23:50:20,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:20,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:20,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:20,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:20,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:20,833 INFO L87 Difference]: Start difference. First operand 3001 states and 4042 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:20,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:20,858 INFO L93 Difference]: Finished difference Result 4386 states and 5952 transitions. [2024-11-09 23:50:20,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:20,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-09 23:50:20,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:20,862 INFO L225 Difference]: With dead ends: 4386 [2024-11-09 23:50:20,862 INFO L226 Difference]: Without dead ends: 3007 [2024-11-09 23:50:20,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:20,864 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 245 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:20,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 828 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:20,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3007 states. [2024-11-09 23:50:20,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3007 to 3001. [2024-11-09 23:50:20,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2997 states have (on average 1.33667000333667) internal successors, (4006), 3000 states have internal predecessors, (4006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4006 transitions. [2024-11-09 23:50:20,892 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4006 transitions. Word has length 56 [2024-11-09 23:50:20,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:20,892 INFO L471 AbstractCegarLoop]: Abstraction has 3001 states and 4006 transitions. [2024-11-09 23:50:20,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4006 transitions. [2024-11-09 23:50:20,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 23:50:20,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:20,894 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] [2024-11-09 23:50:20,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:50:20,894 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:20,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:20,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1739807548, now seen corresponding path program 1 times [2024-11-09 23:50:20,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:20,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533690192] [2024-11-09 23:50:20,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:20,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:20,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:20,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:20,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533690192] [2024-11-09 23:50:20,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533690192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:20,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:20,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:20,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228990462] [2024-11-09 23:50:20,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:20,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:20,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:20,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:20,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:20,938 INFO L87 Difference]: Start difference. First operand 3001 states and 4006 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:20,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:20,975 INFO L93 Difference]: Finished difference Result 4309 states and 5794 transitions. [2024-11-09 23:50:20,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:20,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-09 23:50:20,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:20,979 INFO L225 Difference]: With dead ends: 4309 [2024-11-09 23:50:20,979 INFO L226 Difference]: Without dead ends: 3008 [2024-11-09 23:50:20,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:20,981 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 229 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:20,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 818 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:20,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3008 states. [2024-11-09 23:50:21,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3008 to 3001. [2024-11-09 23:50:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2997 states have (on average 1.3233233233233233) internal successors, (3966), 3000 states have internal predecessors, (3966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:21,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 3966 transitions. [2024-11-09 23:50:21,011 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 3966 transitions. Word has length 56 [2024-11-09 23:50:21,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:21,011 INFO L471 AbstractCegarLoop]: Abstraction has 3001 states and 3966 transitions. [2024-11-09 23:50:21,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:21,012 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 3966 transitions. [2024-11-09 23:50:21,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 23:50:21,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:21,013 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] [2024-11-09 23:50:21,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:50:21,014 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:21,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:21,014 INFO L85 PathProgramCache]: Analyzing trace with hash -2082694210, now seen corresponding path program 1 times [2024-11-09 23:50:21,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:21,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914695628] [2024-11-09 23:50:21,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:21,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:21,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:21,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:21,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914695628] [2024-11-09 23:50:21,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914695628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:21,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:21,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:21,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341114621] [2024-11-09 23:50:21,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:21,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:21,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:21,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:21,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:21,069 INFO L87 Difference]: Start difference. First operand 3001 states and 3966 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:21,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:21,127 INFO L93 Difference]: Finished difference Result 4741 states and 6310 transitions. [2024-11-09 23:50:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:21,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-11-09 23:50:21,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:21,132 INFO L225 Difference]: With dead ends: 4741 [2024-11-09 23:50:21,132 INFO L226 Difference]: Without dead ends: 3451 [2024-11-09 23:50:21,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:21,135 INFO L432 NwaCegarLoop]: 387 mSDtfsCounter, 329 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:21,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 545 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:21,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3451 states. [2024-11-09 23:50:21,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3451 to 2819. [2024-11-09 23:50:21,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2815 states have (on average 1.325044404973357) internal successors, (3730), 2818 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:21,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 3730 transitions. [2024-11-09 23:50:21,178 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 3730 transitions. Word has length 57 [2024-11-09 23:50:21,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:21,178 INFO L471 AbstractCegarLoop]: Abstraction has 2819 states and 3730 transitions. [2024-11-09 23:50:21,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:21,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 3730 transitions. [2024-11-09 23:50:21,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 23:50:21,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:21,181 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] [2024-11-09 23:50:21,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:50:21,181 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:21,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:21,181 INFO L85 PathProgramCache]: Analyzing trace with hash 225616828, now seen corresponding path program 1 times [2024-11-09 23:50:21,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:21,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270261377] [2024-11-09 23:50:21,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:21,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:21,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:21,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:21,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270261377] [2024-11-09 23:50:21,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270261377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:21,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:21,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:21,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035303184] [2024-11-09 23:50:21,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:21,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:21,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:21,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:21,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:21,241 INFO L87 Difference]: Start difference. First operand 2819 states and 3730 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:21,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:21,294 INFO L93 Difference]: Finished difference Result 5179 states and 6904 transitions. [2024-11-09 23:50:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:21,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2024-11-09 23:50:21,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:21,301 INFO L225 Difference]: With dead ends: 5179 [2024-11-09 23:50:21,301 INFO L226 Difference]: Without dead ends: 3475 [2024-11-09 23:50:21,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:21,304 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 309 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:21,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 514 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:21,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3475 states. [2024-11-09 23:50:21,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3475 to 2715. [2024-11-09 23:50:21,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2711 states have (on average 1.3246034673552194) internal successors, (3591), 2714 states have internal predecessors, (3591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:21,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3591 transitions. [2024-11-09 23:50:21,333 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3591 transitions. Word has length 58 [2024-11-09 23:50:21,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:21,333 INFO L471 AbstractCegarLoop]: Abstraction has 2715 states and 3591 transitions. [2024-11-09 23:50:21,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:21,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3591 transitions. [2024-11-09 23:50:21,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 23:50:21,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:21,335 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] [2024-11-09 23:50:21,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:50:21,335 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:21,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:21,336 INFO L85 PathProgramCache]: Analyzing trace with hash -265136572, now seen corresponding path program 1 times [2024-11-09 23:50:21,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:21,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490542857] [2024-11-09 23:50:21,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:21,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:22,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:22,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490542857] [2024-11-09 23:50:22,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490542857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:22,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:22,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-09 23:50:22,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82017762] [2024-11-09 23:50:22,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:22,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 23:50:22,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:22,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 23:50:22,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:50:22,219 INFO L87 Difference]: Start difference. First operand 2715 states and 3591 transitions. Second operand has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:24,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:24,080 INFO L93 Difference]: Finished difference Result 3364 states and 4438 transitions. [2024-11-09 23:50:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 23:50:24,081 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2024-11-09 23:50:24,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:24,085 INFO L225 Difference]: With dead ends: 3364 [2024-11-09 23:50:24,085 INFO L226 Difference]: Without dead ends: 3358 [2024-11-09 23:50:24,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=285, Invalid=975, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 23:50:24,086 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 1892 mSDsluCounter, 3456 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1892 SdHoareTripleChecker+Valid, 3755 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:24,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1892 Valid, 3755 Invalid, 1799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:50:24,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3358 states. [2024-11-09 23:50:24,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3358 to 2715. [2024-11-09 23:50:24,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2711 states have (on average 1.3242345997786795) internal successors, (3590), 2714 states have internal predecessors, (3590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:24,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3590 transitions. [2024-11-09 23:50:24,113 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3590 transitions. Word has length 58 [2024-11-09 23:50:24,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:24,114 INFO L471 AbstractCegarLoop]: Abstraction has 2715 states and 3590 transitions. [2024-11-09 23:50:24,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:24,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3590 transitions. [2024-11-09 23:50:24,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 23:50:24,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:24,115 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] [2024-11-09 23:50:24,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 23:50:24,116 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:24,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:24,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1121849, now seen corresponding path program 1 times [2024-11-09 23:50:24,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:24,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034844899] [2024-11-09 23:50:24,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:24,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:24,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:24,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:24,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034844899] [2024-11-09 23:50:24,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034844899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:24,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:24,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 23:50:24,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714946514] [2024-11-09 23:50:24,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:24,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 23:50:24,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:24,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 23:50:24,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 23:50:24,492 INFO L87 Difference]: Start difference. First operand 2715 states and 3590 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:25,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:25,023 INFO L93 Difference]: Finished difference Result 4932 states and 6571 transitions. [2024-11-09 23:50:25,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:50:25,024 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2024-11-09 23:50:25,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:25,030 INFO L225 Difference]: With dead ends: 4932 [2024-11-09 23:50:25,030 INFO L226 Difference]: Without dead ends: 4557 [2024-11-09 23:50:25,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2024-11-09 23:50:25,032 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 2818 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2818 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:25,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2818 Valid, 1571 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:50:25,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2024-11-09 23:50:25,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 2673. [2024-11-09 23:50:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2673 states, 2670 states have (on average 1.3258426966292134) internal successors, (3540), 2672 states have internal predecessors, (3540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:25,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 3540 transitions. [2024-11-09 23:50:25,066 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 3540 transitions. Word has length 58 [2024-11-09 23:50:25,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:25,066 INFO L471 AbstractCegarLoop]: Abstraction has 2673 states and 3540 transitions. [2024-11-09 23:50:25,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3540 transitions. [2024-11-09 23:50:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 23:50:25,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:25,068 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] [2024-11-09 23:50:25,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 23:50:25,069 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:25,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:25,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1421501212, now seen corresponding path program 1 times [2024-11-09 23:50:25,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:25,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619609366] [2024-11-09 23:50:25,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:25,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:25,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:25,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619609366] [2024-11-09 23:50:25,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619609366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:25,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:25,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 23:50:25,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91686342] [2024-11-09 23:50:25,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:25,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 23:50:25,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:25,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 23:50:25,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:50:25,515 INFO L87 Difference]: Start difference. First operand 2673 states and 3540 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:26,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:26,338 INFO L93 Difference]: Finished difference Result 5694 states and 7627 transitions. [2024-11-09 23:50:26,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 23:50:26,338 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2024-11-09 23:50:26,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:26,345 INFO L225 Difference]: With dead ends: 5694 [2024-11-09 23:50:26,345 INFO L226 Difference]: Without dead ends: 5254 [2024-11-09 23:50:26,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=176, Invalid=526, Unknown=0, NotChecked=0, Total=702 [2024-11-09 23:50:26,348 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 1764 mSDsluCounter, 2555 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 2845 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:26,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 2845 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:50:26,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5254 states. [2024-11-09 23:50:26,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5254 to 2627. [2024-11-09 23:50:26,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2627 states, 2625 states have (on average 1.326857142857143) internal successors, (3483), 2626 states have internal predecessors, (3483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2627 states and 3483 transitions. [2024-11-09 23:50:26,387 INFO L78 Accepts]: Start accepts. Automaton has 2627 states and 3483 transitions. Word has length 58 [2024-11-09 23:50:26,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:26,387 INFO L471 AbstractCegarLoop]: Abstraction has 2627 states and 3483 transitions. [2024-11-09 23:50:26,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 3483 transitions. [2024-11-09 23:50:26,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 23:50:26,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:26,389 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] [2024-11-09 23:50:26,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 23:50:26,389 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:26,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:26,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1131330330, now seen corresponding path program 1 times [2024-11-09 23:50:26,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:26,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273355913] [2024-11-09 23:50:26,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:26,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:26,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:26,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273355913] [2024-11-09 23:50:26,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273355913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:26,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:26,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:26,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250823368] [2024-11-09 23:50:26,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:26,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:26,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:26,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:26,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:26,435 INFO L87 Difference]: Start difference. First operand 2627 states and 3483 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:26,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:26,480 INFO L93 Difference]: Finished difference Result 4901 states and 6541 transitions. [2024-11-09 23:50:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:26,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2024-11-09 23:50:26,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:26,484 INFO L225 Difference]: With dead ends: 4901 [2024-11-09 23:50:26,485 INFO L226 Difference]: Without dead ends: 3250 [2024-11-09 23:50:26,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:26,487 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 219 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:26,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 377 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:26,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2024-11-09 23:50:26,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 2498. [2024-11-09 23:50:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 2497 states have (on average 1.328394072887465) internal successors, (3317), 2497 states have internal predecessors, (3317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:26,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 3317 transitions. [2024-11-09 23:50:26,512 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 3317 transitions. Word has length 58 [2024-11-09 23:50:26,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:26,512 INFO L471 AbstractCegarLoop]: Abstraction has 2498 states and 3317 transitions. [2024-11-09 23:50:26,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 3317 transitions. [2024-11-09 23:50:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 23:50:26,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:26,515 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:26,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 23:50:26,515 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:26,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:26,515 INFO L85 PathProgramCache]: Analyzing trace with hash -395183976, now seen corresponding path program 1 times [2024-11-09 23:50:26,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:26,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040486442] [2024-11-09 23:50:26,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:26,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:26,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:26,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:26,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040486442] [2024-11-09 23:50:26,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040486442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:26,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:26,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:50:26,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168958830] [2024-11-09 23:50:26,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:26,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:50:26,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:26,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:50:26,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:50:26,588 INFO L87 Difference]: Start difference. First operand 2498 states and 3317 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:26,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:26,661 INFO L93 Difference]: Finished difference Result 6151 states and 8343 transitions. [2024-11-09 23:50:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:50:26,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-09 23:50:26,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:26,668 INFO L225 Difference]: With dead ends: 6151 [2024-11-09 23:50:26,669 INFO L226 Difference]: Without dead ends: 4610 [2024-11-09 23:50:26,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:50:26,672 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 1003 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1003 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:26,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1003 Valid, 636 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:26,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4610 states. [2024-11-09 23:50:26,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4610 to 3917. [2024-11-09 23:50:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3917 states, 3916 states have (on average 1.3253319713993872) internal successors, (5190), 3916 states have internal predecessors, (5190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:26,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3917 states and 5190 transitions. [2024-11-09 23:50:26,735 INFO L78 Accepts]: Start accepts. Automaton has 3917 states and 5190 transitions. Word has length 68 [2024-11-09 23:50:26,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:26,735 INFO L471 AbstractCegarLoop]: Abstraction has 3917 states and 5190 transitions. [2024-11-09 23:50:26,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:26,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3917 states and 5190 transitions. [2024-11-09 23:50:26,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 23:50:26,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:26,741 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:26,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 23:50:26,741 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:26,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:26,742 INFO L85 PathProgramCache]: Analyzing trace with hash -867925864, now seen corresponding path program 1 times [2024-11-09 23:50:26,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:26,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240800492] [2024-11-09 23:50:26,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:26,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:26,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:26,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240800492] [2024-11-09 23:50:26,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240800492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:26,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:26,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:50:26,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235262214] [2024-11-09 23:50:26,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:26,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:50:26,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:26,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:50:26,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:50:26,861 INFO L87 Difference]: Start difference. First operand 3917 states and 5190 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:26,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:26,926 INFO L93 Difference]: Finished difference Result 3923 states and 5193 transitions. [2024-11-09 23:50:26,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:50:26,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-09 23:50:26,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:26,931 INFO L225 Difference]: With dead ends: 3923 [2024-11-09 23:50:26,931 INFO L226 Difference]: Without dead ends: 3464 [2024-11-09 23:50:26,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:50:26,933 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 549 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:26,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 652 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:50:26,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3464 states. [2024-11-09 23:50:26,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3464 to 3460. [2024-11-09 23:50:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3460 states, 3459 states have (on average 1.3289968198901416) internal successors, (4597), 3459 states have internal predecessors, (4597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:26,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3460 states and 4597 transitions. [2024-11-09 23:50:26,966 INFO L78 Accepts]: Start accepts. Automaton has 3460 states and 4597 transitions. Word has length 70 [2024-11-09 23:50:26,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:26,967 INFO L471 AbstractCegarLoop]: Abstraction has 3460 states and 4597 transitions. [2024-11-09 23:50:26,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:26,967 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 4597 transitions. [2024-11-09 23:50:26,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 23:50:26,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:26,970 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:26,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 23:50:26,971 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:26,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:26,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1809434773, now seen corresponding path program 1 times [2024-11-09 23:50:26,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:26,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664796489] [2024-11-09 23:50:26,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:26,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:27,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:27,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664796489] [2024-11-09 23:50:27,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664796489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:27,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:27,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:27,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138919184] [2024-11-09 23:50:27,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:27,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:27,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:27,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:27,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:27,048 INFO L87 Difference]: Start difference. First operand 3460 states and 4597 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:27,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:27,085 INFO L93 Difference]: Finished difference Result 8188 states and 10995 transitions. [2024-11-09 23:50:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:27,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-09 23:50:27,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:27,093 INFO L225 Difference]: With dead ends: 8188 [2024-11-09 23:50:27,093 INFO L226 Difference]: Without dead ends: 5466 [2024-11-09 23:50:27,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:27,097 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 125 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:27,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 518 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:27,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5466 states. [2024-11-09 23:50:27,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5466 to 5148. [2024-11-09 23:50:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5148 states, 5147 states have (on average 1.321352244025646) internal successors, (6801), 5147 states have internal predecessors, (6801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:27,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5148 states to 5148 states and 6801 transitions. [2024-11-09 23:50:27,154 INFO L78 Accepts]: Start accepts. Automaton has 5148 states and 6801 transitions. Word has length 71 [2024-11-09 23:50:27,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:27,155 INFO L471 AbstractCegarLoop]: Abstraction has 5148 states and 6801 transitions. [2024-11-09 23:50:27,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:27,155 INFO L276 IsEmpty]: Start isEmpty. Operand 5148 states and 6801 transitions. [2024-11-09 23:50:27,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 23:50:27,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:27,158 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:27,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 23:50:27,158 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:27,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:27,158 INFO L85 PathProgramCache]: Analyzing trace with hash 5521417, now seen corresponding path program 1 times [2024-11-09 23:50:27,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:27,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154395800] [2024-11-09 23:50:27,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:27,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:27,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:27,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:27,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154395800] [2024-11-09 23:50:27,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154395800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:27,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:27,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:27,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588350960] [2024-11-09 23:50:27,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:27,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:27,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:27,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:27,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:27,236 INFO L87 Difference]: Start difference. First operand 5148 states and 6801 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:27,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:27,279 INFO L93 Difference]: Finished difference Result 13452 states and 17959 transitions. [2024-11-09 23:50:27,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:27,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-09 23:50:27,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:27,292 INFO L225 Difference]: With dead ends: 13452 [2024-11-09 23:50:27,292 INFO L226 Difference]: Without dead ends: 9076 [2024-11-09 23:50:27,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:27,299 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 114 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:27,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 508 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:27,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9076 states. [2024-11-09 23:50:27,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9076 to 8466. [2024-11-09 23:50:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8466 states, 8465 states have (on average 1.3215593620791495) internal successors, (11187), 8465 states have internal predecessors, (11187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8466 states to 8466 states and 11187 transitions. [2024-11-09 23:50:27,397 INFO L78 Accepts]: Start accepts. Automaton has 8466 states and 11187 transitions. Word has length 72 [2024-11-09 23:50:27,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:27,397 INFO L471 AbstractCegarLoop]: Abstraction has 8466 states and 11187 transitions. [2024-11-09 23:50:27,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:27,398 INFO L276 IsEmpty]: Start isEmpty. Operand 8466 states and 11187 transitions. [2024-11-09 23:50:27,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 23:50:27,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:27,400 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:27,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 23:50:27,401 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:27,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:27,401 INFO L85 PathProgramCache]: Analyzing trace with hash 648102065, now seen corresponding path program 1 times [2024-11-09 23:50:27,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:27,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208924344] [2024-11-09 23:50:27,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:27,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:27,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:27,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208924344] [2024-11-09 23:50:27,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208924344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:27,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:27,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:27,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295514121] [2024-11-09 23:50:27,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:27,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:27,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:27,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:27,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:27,475 INFO L87 Difference]: Start difference. First operand 8466 states and 11187 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:27,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:27,539 INFO L93 Difference]: Finished difference Result 22958 states and 30461 transitions. [2024-11-09 23:50:27,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:27,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-09 23:50:27,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:27,561 INFO L225 Difference]: With dead ends: 22958 [2024-11-09 23:50:27,562 INFO L226 Difference]: Without dead ends: 15264 [2024-11-09 23:50:27,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:27,572 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 101 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:27,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 495 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:27,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15264 states. [2024-11-09 23:50:27,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15264 to 14046. [2024-11-09 23:50:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14046 states, 14045 states have (on average 1.3128515485938057) internal successors, (18439), 14045 states have internal predecessors, (18439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:27,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14046 states to 14046 states and 18439 transitions. [2024-11-09 23:50:27,729 INFO L78 Accepts]: Start accepts. Automaton has 14046 states and 18439 transitions. Word has length 74 [2024-11-09 23:50:27,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:27,730 INFO L471 AbstractCegarLoop]: Abstraction has 14046 states and 18439 transitions. [2024-11-09 23:50:27,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 14046 states and 18439 transitions. [2024-11-09 23:50:27,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 23:50:27,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:27,732 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:27,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 23:50:27,733 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:27,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:27,733 INFO L85 PathProgramCache]: Analyzing trace with hash -271063091, now seen corresponding path program 1 times [2024-11-09 23:50:27,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:27,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125410865] [2024-11-09 23:50:27,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:27,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:27,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:27,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125410865] [2024-11-09 23:50:27,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125410865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:27,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:27,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:50:27,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979308439] [2024-11-09 23:50:27,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:27,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:50:27,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:27,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:50:27,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:50:27,953 INFO L87 Difference]: Start difference. First operand 14046 states and 18439 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:28,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:28,012 INFO L93 Difference]: Finished difference Result 15840 states and 20680 transitions. [2024-11-09 23:50:28,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:50:28,013 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-11-09 23:50:28,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:28,036 INFO L225 Difference]: With dead ends: 15840 [2024-11-09 23:50:28,036 INFO L226 Difference]: Without dead ends: 15838 [2024-11-09 23:50:28,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:50:28,042 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 0 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:28,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1187 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:28,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15838 states. [2024-11-09 23:50:28,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15838 to 15838. [2024-11-09 23:50:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15838 states, 15837 states have (on average 1.2774515375386752) internal successors, (20231), 15837 states have internal predecessors, (20231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:28,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15838 states to 15838 states and 20231 transitions. [2024-11-09 23:50:28,203 INFO L78 Accepts]: Start accepts. Automaton has 15838 states and 20231 transitions. Word has length 76 [2024-11-09 23:50:28,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:28,204 INFO L471 AbstractCegarLoop]: Abstraction has 15838 states and 20231 transitions. [2024-11-09 23:50:28,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 15838 states and 20231 transitions. [2024-11-09 23:50:28,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 23:50:28,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:28,207 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:28,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 23:50:28,208 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:28,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:28,208 INFO L85 PathProgramCache]: Analyzing trace with hash -765255210, now seen corresponding path program 1 times [2024-11-09 23:50:28,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:28,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136715943] [2024-11-09 23:50:28,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:28,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:28,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:28,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136715943] [2024-11-09 23:50:28,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136715943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:28,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:28,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:50:28,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679805933] [2024-11-09 23:50:28,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:28,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:50:28,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:28,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:50:28,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:50:28,297 INFO L87 Difference]: Start difference. First operand 15838 states and 20231 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:28,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:28,391 INFO L93 Difference]: Finished difference Result 23110 states and 29783 transitions. [2024-11-09 23:50:28,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:50:28,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-09 23:50:28,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:28,419 INFO L225 Difference]: With dead ends: 23110 [2024-11-09 23:50:28,419 INFO L226 Difference]: Without dead ends: 19808 [2024-11-09 23:50:28,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:50:28,428 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 606 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:28,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 776 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:28,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19808 states. [2024-11-09 23:50:28,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19808 to 18098. [2024-11-09 23:50:28,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18098 states, 18097 states have (on average 1.27684146543626) internal successors, (23107), 18097 states have internal predecessors, (23107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18098 states to 18098 states and 23107 transitions. [2024-11-09 23:50:28,664 INFO L78 Accepts]: Start accepts. Automaton has 18098 states and 23107 transitions. Word has length 77 [2024-11-09 23:50:28,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:28,664 INFO L471 AbstractCegarLoop]: Abstraction has 18098 states and 23107 transitions. [2024-11-09 23:50:28,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:28,664 INFO L276 IsEmpty]: Start isEmpty. Operand 18098 states and 23107 transitions. [2024-11-09 23:50:28,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 23:50:28,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:28,667 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:28,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 23:50:28,667 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:28,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:28,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1361136197, now seen corresponding path program 1 times [2024-11-09 23:50:28,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:28,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213429015] [2024-11-09 23:50:28,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:28,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:28,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:28,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213429015] [2024-11-09 23:50:28,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213429015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:28,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:28,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:28,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818638145] [2024-11-09 23:50:28,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:28,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:28,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:28,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:28,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:28,707 INFO L87 Difference]: Start difference. First operand 18098 states and 23107 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:28,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:28,798 INFO L93 Difference]: Finished difference Result 43846 states and 55905 transitions. [2024-11-09 23:50:28,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:28,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-09 23:50:28,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:28,839 INFO L225 Difference]: With dead ends: 43846 [2024-11-09 23:50:28,839 INFO L226 Difference]: Without dead ends: 26520 [2024-11-09 23:50:28,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:28,859 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 172 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:28,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 393 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:28,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26520 states. [2024-11-09 23:50:29,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26520 to 26518. [2024-11-09 23:50:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26518 states, 26517 states have (on average 1.2608892408643513) internal successors, (33435), 26517 states have internal predecessors, (33435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26518 states to 26518 states and 33435 transitions. [2024-11-09 23:50:29,190 INFO L78 Accepts]: Start accepts. Automaton has 26518 states and 33435 transitions. Word has length 77 [2024-11-09 23:50:29,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:29,190 INFO L471 AbstractCegarLoop]: Abstraction has 26518 states and 33435 transitions. [2024-11-09 23:50:29,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:29,191 INFO L276 IsEmpty]: Start isEmpty. Operand 26518 states and 33435 transitions. [2024-11-09 23:50:29,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 23:50:29,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:29,198 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:29,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 23:50:29,199 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:29,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:29,199 INFO L85 PathProgramCache]: Analyzing trace with hash 437722020, now seen corresponding path program 1 times [2024-11-09 23:50:29,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:29,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719077574] [2024-11-09 23:50:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:29,422 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 23:50:29,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:29,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719077574] [2024-11-09 23:50:29,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719077574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:29,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:29,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:50:29,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350334192] [2024-11-09 23:50:29,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:29,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:50:29,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:29,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:50:29,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:50:29,425 INFO L87 Difference]: Start difference. First operand 26518 states and 33435 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:30,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:30,130 INFO L93 Difference]: Finished difference Result 71573 states and 90086 transitions. [2024-11-09 23:50:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 23:50:30,130 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-09 23:50:30,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:30,219 INFO L225 Difference]: With dead ends: 71573 [2024-11-09 23:50:30,220 INFO L226 Difference]: Without dead ends: 59908 [2024-11-09 23:50:30,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2024-11-09 23:50:30,247 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 997 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:30,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 950 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:50:30,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59908 states. [2024-11-09 23:50:30,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59908 to 26464. [2024-11-09 23:50:30,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26464 states, 26463 states have (on average 1.260930355590825) internal successors, (33368), 26463 states have internal predecessors, (33368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:30,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26464 states to 26464 states and 33368 transitions. [2024-11-09 23:50:30,790 INFO L78 Accepts]: Start accepts. Automaton has 26464 states and 33368 transitions. Word has length 97 [2024-11-09 23:50:30,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:30,790 INFO L471 AbstractCegarLoop]: Abstraction has 26464 states and 33368 transitions. [2024-11-09 23:50:30,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:30,791 INFO L276 IsEmpty]: Start isEmpty. Operand 26464 states and 33368 transitions. [2024-11-09 23:50:30,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 23:50:30,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:30,797 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:30,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 23:50:30,797 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:30,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:30,798 INFO L85 PathProgramCache]: Analyzing trace with hash 303037257, now seen corresponding path program 1 times [2024-11-09 23:50:30,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:30,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356068672] [2024-11-09 23:50:30,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:30,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:31,274 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:31,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:31,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356068672] [2024-11-09 23:50:31,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356068672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:50:31,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826187396] [2024-11-09 23:50:31,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:31,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:50:31,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:50:31,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:50:31,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 23:50:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:31,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 23:50:31,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:50:32,054 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:32,054 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:50:33,002 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:33,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826187396] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:50:33,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:50:33,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 13] total 32 [2024-11-09 23:50:33,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133756371] [2024-11-09 23:50:33,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:50:33,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-09 23:50:33,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:33,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-09 23:50:33,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=842, Unknown=0, NotChecked=0, Total=992 [2024-11-09 23:50:33,005 INFO L87 Difference]: Start difference. First operand 26464 states and 33368 transitions. Second operand has 32 states, 32 states have (on average 8.6875) internal successors, (278), 32 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:46,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:46,586 INFO L93 Difference]: Finished difference Result 176978 states and 223177 transitions. [2024-11-09 23:50:46,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-11-09 23:50:46,587 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 8.6875) internal successors, (278), 32 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-09 23:50:46,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:46,830 INFO L225 Difference]: With dead ends: 176978 [2024-11-09 23:50:46,830 INFO L226 Difference]: Without dead ends: 151232 [2024-11-09 23:50:46,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34473 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=9927, Invalid=70445, Unknown=0, NotChecked=0, Total=80372 [2024-11-09 23:50:46,889 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 14078 mSDsluCounter, 4885 mSDsCounter, 0 mSdLazyCounter, 6390 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14078 SdHoareTripleChecker+Valid, 5289 SdHoareTripleChecker+Invalid, 6650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 6390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:46,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14078 Valid, 5289 Invalid, 6650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 6390 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-09 23:50:47,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151232 states. [2024-11-09 23:50:48,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151232 to 90225. [2024-11-09 23:50:48,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90225 states, 90224 states have (on average 1.2625354672814328) internal successors, (113911), 90224 states have internal predecessors, (113911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:48,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90225 states to 90225 states and 113911 transitions. [2024-11-09 23:50:48,278 INFO L78 Accepts]: Start accepts. Automaton has 90225 states and 113911 transitions. Word has length 97 [2024-11-09 23:50:48,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:48,278 INFO L471 AbstractCegarLoop]: Abstraction has 90225 states and 113911 transitions. [2024-11-09 23:50:48,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 8.6875) internal successors, (278), 32 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 90225 states and 113911 transitions. [2024-11-09 23:50:48,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 23:50:48,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:48,289 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] [2024-11-09 23:50:48,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 23:50:48,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:50:48,490 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:48,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:48,490 INFO L85 PathProgramCache]: Analyzing trace with hash 953113786, now seen corresponding path program 1 times [2024-11-09 23:50:48,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:48,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303982012] [2024-11-09 23:50:48,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:48,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:48,905 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:48,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:48,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303982012] [2024-11-09 23:50:48,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303982012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:50:48,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594399945] [2024-11-09 23:50:48,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:48,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:50:48,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:50:48,911 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:50:48,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 23:50:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:49,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:50:49,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:50:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:49,456 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:50:49,563 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:49,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594399945] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:50:49,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:50:49,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-09 23:50:49,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159977142] [2024-11-09 23:50:49,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:50:49,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 23:50:49,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:49,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 23:50:49,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-09 23:50:49,565 INFO L87 Difference]: Start difference. First operand 90225 states and 113911 transitions. Second operand has 14 states, 14 states have (on average 18.928571428571427) internal successors, (265), 14 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:50,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:50,292 INFO L93 Difference]: Finished difference Result 185845 states and 234551 transitions. [2024-11-09 23:50:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:50:50,292 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 18.928571428571427) internal successors, (265), 14 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-09 23:50:50,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:50,425 INFO L225 Difference]: With dead ends: 185845 [2024-11-09 23:50:50,425 INFO L226 Difference]: Without dead ends: 96509 [2024-11-09 23:50:50,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:50:50,473 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 2436 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:50,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2436 Valid, 792 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:50:50,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96509 states. [2024-11-09 23:50:51,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96509 to 90283. [2024-11-09 23:50:51,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90283 states, 90282 states have (on average 1.2368799982277752) internal successors, (111668), 90282 states have internal predecessors, (111668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90283 states to 90283 states and 111668 transitions. [2024-11-09 23:50:51,553 INFO L78 Accepts]: Start accepts. Automaton has 90283 states and 111668 transitions. Word has length 99 [2024-11-09 23:50:51,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:51,553 INFO L471 AbstractCegarLoop]: Abstraction has 90283 states and 111668 transitions. [2024-11-09 23:50:51,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.928571428571427) internal successors, (265), 14 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 90283 states and 111668 transitions. [2024-11-09 23:50:51,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 23:50:51,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:51,561 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:51,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 23:50:51,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-09 23:50:51,762 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:51,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:51,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1944648869, now seen corresponding path program 1 times [2024-11-09 23:50:51,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:51,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017942552] [2024-11-09 23:50:51,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:51,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:51,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:51,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017942552] [2024-11-09 23:50:51,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017942552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:51,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:51,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:50:51,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684977217] [2024-11-09 23:50:51,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:51,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:50:51,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:51,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:50:51,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:50:51,840 INFO L87 Difference]: Start difference. First operand 90283 states and 111668 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:52,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:52,843 INFO L93 Difference]: Finished difference Result 181966 states and 224744 transitions. [2024-11-09 23:50:52,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:50:52,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-09 23:50:52,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:52,962 INFO L225 Difference]: With dead ends: 181966 [2024-11-09 23:50:52,962 INFO L226 Difference]: Without dead ends: 92511 [2024-11-09 23:50:52,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:50:52,988 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 441 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:52,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 442 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:50:53,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92511 states. [2024-11-09 23:50:53,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92511 to 86829. [2024-11-09 23:50:53,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86829 states, 86828 states have (on average 1.2144699866402544) internal successors, (105450), 86828 states have internal predecessors, (105450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86829 states to 86829 states and 105450 transitions. [2024-11-09 23:50:54,126 INFO L78 Accepts]: Start accepts. Automaton has 86829 states and 105450 transitions. Word has length 99 [2024-11-09 23:50:54,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:54,126 INFO L471 AbstractCegarLoop]: Abstraction has 86829 states and 105450 transitions. [2024-11-09 23:50:54,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:54,126 INFO L276 IsEmpty]: Start isEmpty. Operand 86829 states and 105450 transitions. [2024-11-09 23:50:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 23:50:54,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:54,135 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] [2024-11-09 23:50:54,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 23:50:54,135 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:54,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:54,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1623864519, now seen corresponding path program 1 times [2024-11-09 23:50:54,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:54,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756461357] [2024-11-09 23:50:54,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:54,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:54,255 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 23:50:54,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:54,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756461357] [2024-11-09 23:50:54,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756461357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:54,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:54,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:50:54,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473862334] [2024-11-09 23:50:54,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:54,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:50:54,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:54,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:50:54,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:50:54,258 INFO L87 Difference]: Start difference. First operand 86829 states and 105450 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:54,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:54,583 INFO L93 Difference]: Finished difference Result 114161 states and 139182 transitions. [2024-11-09 23:50:54,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:50:54,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-09 23:50:54,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:54,696 INFO L225 Difference]: With dead ends: 114161 [2024-11-09 23:50:54,696 INFO L226 Difference]: Without dead ends: 97645 [2024-11-09 23:50:54,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:50:54,735 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 546 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:54,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 731 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:54,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97645 states. [2024-11-09 23:50:55,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97645 to 95069. [2024-11-09 23:50:55,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95069 states, 95068 states have (on average 1.21054403164051) internal successors, (115084), 95068 states have internal predecessors, (115084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:56,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95069 states to 95069 states and 115084 transitions. [2024-11-09 23:50:56,056 INFO L78 Accepts]: Start accepts. Automaton has 95069 states and 115084 transitions. Word has length 102 [2024-11-09 23:50:56,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:56,056 INFO L471 AbstractCegarLoop]: Abstraction has 95069 states and 115084 transitions. [2024-11-09 23:50:56,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:56,056 INFO L276 IsEmpty]: Start isEmpty. Operand 95069 states and 115084 transitions. [2024-11-09 23:50:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 23:50:56,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:56,062 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:56,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 23:50:56,062 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:56,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:56,063 INFO L85 PathProgramCache]: Analyzing trace with hash -559306718, now seen corresponding path program 1 times [2024-11-09 23:50:56,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:56,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861806312] [2024-11-09 23:50:56,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:56,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:56,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:56,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861806312] [2024-11-09 23:50:56,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861806312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:56,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:56,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:50:56,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189167692] [2024-11-09 23:50:56,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:56,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:50:56,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:56,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:50:56,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:50:56,148 INFO L87 Difference]: Start difference. First operand 95069 states and 115084 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:56,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:56,411 INFO L93 Difference]: Finished difference Result 131709 states and 160400 transitions. [2024-11-09 23:50:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:50:56,411 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-11-09 23:50:56,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:56,763 INFO L225 Difference]: With dead ends: 131709 [2024-11-09 23:50:56,763 INFO L226 Difference]: Without dead ends: 106589 [2024-11-09 23:50:56,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:50:56,796 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 545 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:56,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 730 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:56,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106589 states. [2024-11-09 23:50:57,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106589 to 104013. [2024-11-09 23:50:57,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104013 states, 104012 states have (on average 1.2038226358497097) internal successors, (125212), 104012 states have internal predecessors, (125212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104013 states to 104013 states and 125212 transitions. [2024-11-09 23:50:58,015 INFO L78 Accepts]: Start accepts. Automaton has 104013 states and 125212 transitions. Word has length 103 [2024-11-09 23:50:58,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:58,016 INFO L471 AbstractCegarLoop]: Abstraction has 104013 states and 125212 transitions. [2024-11-09 23:50:58,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:58,016 INFO L276 IsEmpty]: Start isEmpty. Operand 104013 states and 125212 transitions. [2024-11-09 23:50:58,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 23:50:58,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:58,027 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] [2024-11-09 23:50:58,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 23:50:58,027 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:58,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:58,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1066925699, now seen corresponding path program 1 times [2024-11-09 23:50:58,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:58,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924984019] [2024-11-09 23:50:58,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:58,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 23:50:58,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:58,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924984019] [2024-11-09 23:50:58,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924984019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:58,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:58,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:50:58,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305952967] [2024-11-09 23:50:58,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:58,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:50:58,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:58,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:50:58,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:50:58,122 INFO L87 Difference]: Start difference. First operand 104013 states and 125212 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:58,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:58,978 INFO L93 Difference]: Finished difference Result 151093 states and 181790 transitions. [2024-11-09 23:50:58,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:50:58,982 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2024-11-09 23:50:58,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:59,133 INFO L225 Difference]: With dead ends: 151093 [2024-11-09 23:50:59,133 INFO L226 Difference]: Without dead ends: 123111 [2024-11-09 23:50:59,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:50:59,154 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 1180 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:59,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 433 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:50:59,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123111 states. [2024-11-09 23:51:00,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123111 to 103931. [2024-11-09 23:51:00,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103931 states, 103930 states have (on average 1.2038102569036853) internal successors, (125112), 103930 states have internal predecessors, (125112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:00,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103931 states to 103931 states and 125112 transitions. [2024-11-09 23:51:00,295 INFO L78 Accepts]: Start accepts. Automaton has 103931 states and 125112 transitions. Word has length 106 [2024-11-09 23:51:00,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:00,295 INFO L471 AbstractCegarLoop]: Abstraction has 103931 states and 125112 transitions. [2024-11-09 23:51:00,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:00,295 INFO L276 IsEmpty]: Start isEmpty. Operand 103931 states and 125112 transitions. [2024-11-09 23:51:00,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 23:51:00,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:00,302 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] [2024-11-09 23:51:00,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 23:51:00,302 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:00,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:00,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1707625276, now seen corresponding path program 1 times [2024-11-09 23:51:00,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:00,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451163757] [2024-11-09 23:51:00,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:00,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:00,959 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:00,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:00,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451163757] [2024-11-09 23:51:00,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451163757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:00,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:00,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:51:00,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042451187] [2024-11-09 23:51:00,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:00,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:51:00,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:00,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:51:00,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:51:00,962 INFO L87 Difference]: Start difference. First operand 103931 states and 125112 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:02,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:02,116 INFO L93 Difference]: Finished difference Result 258218 states and 310184 transitions. [2024-11-09 23:51:02,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 23:51:02,116 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2024-11-09 23:51:02,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:02,438 INFO L225 Difference]: With dead ends: 258218 [2024-11-09 23:51:02,438 INFO L226 Difference]: Without dead ends: 214872 [2024-11-09 23:51:02,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2024-11-09 23:51:02,522 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 747 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:02,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 1220 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:51:02,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214872 states. [2024-11-09 23:51:04,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214872 to 152647. [2024-11-09 23:51:04,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152647 states, 152646 states have (on average 1.2038900462508024) internal successors, (183769), 152646 states have internal predecessors, (183769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:05,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152647 states to 152647 states and 183769 transitions. [2024-11-09 23:51:05,074 INFO L78 Accepts]: Start accepts. Automaton has 152647 states and 183769 transitions. Word has length 107 [2024-11-09 23:51:05,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:05,074 INFO L471 AbstractCegarLoop]: Abstraction has 152647 states and 183769 transitions. [2024-11-09 23:51:05,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:05,074 INFO L276 IsEmpty]: Start isEmpty. Operand 152647 states and 183769 transitions. [2024-11-09 23:51:05,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 23:51:05,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:05,097 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] [2024-11-09 23:51:05,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 23:51:05,097 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:05,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:05,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1076152374, now seen corresponding path program 1 times [2024-11-09 23:51:05,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:05,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547333177] [2024-11-09 23:51:05,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:05,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:05,191 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:05,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:05,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547333177] [2024-11-09 23:51:05,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547333177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:05,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:05,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:05,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999624404] [2024-11-09 23:51:05,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:05,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:05,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:05,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:05,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:05,194 INFO L87 Difference]: Start difference. First operand 152647 states and 183769 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:05,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:05,658 INFO L93 Difference]: Finished difference Result 216547 states and 260190 transitions. [2024-11-09 23:51:05,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:05,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2024-11-09 23:51:05,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:05,867 INFO L225 Difference]: With dead ends: 216547 [2024-11-09 23:51:05,867 INFO L226 Difference]: Without dead ends: 174026 [2024-11-09 23:51:05,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:05,929 INFO L432 NwaCegarLoop]: 346 mSDtfsCounter, 109 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:05,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 544 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:06,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174026 states. [2024-11-09 23:51:08,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174026 to 155511. [2024-11-09 23:51:08,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155511 states, 155510 states have (on average 1.199961417272201) internal successors, (186606), 155510 states have internal predecessors, (186606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:08,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155511 states to 155511 states and 186606 transitions. [2024-11-09 23:51:08,364 INFO L78 Accepts]: Start accepts. Automaton has 155511 states and 186606 transitions. Word has length 108 [2024-11-09 23:51:08,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:08,364 INFO L471 AbstractCegarLoop]: Abstraction has 155511 states and 186606 transitions. [2024-11-09 23:51:08,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 155511 states and 186606 transitions. [2024-11-09 23:51:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 23:51:08,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:08,373 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] [2024-11-09 23:51:08,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 23:51:08,373 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:08,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:08,373 INFO L85 PathProgramCache]: Analyzing trace with hash -627231862, now seen corresponding path program 1 times [2024-11-09 23:51:08,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:08,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249365043] [2024-11-09 23:51:08,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:08,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:08,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:08,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249365043] [2024-11-09 23:51:08,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249365043] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:51:08,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953606783] [2024-11-09 23:51:08,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:08,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:51:08,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:51:08,655 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:51:08,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 23:51:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:08,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 23:51:08,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:51:10,082 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:10,083 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:51:10,970 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:10,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953606783] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:51:10,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:51:10,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 13] total 29 [2024-11-09 23:51:10,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660759401] [2024-11-09 23:51:10,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:51:10,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-09 23:51:10,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:10,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-09 23:51:10,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2024-11-09 23:51:10,972 INFO L87 Difference]: Start difference. First operand 155511 states and 186606 transitions. Second operand has 30 states, 30 states have (on average 9.266666666666667) internal successors, (278), 29 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:14,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:14,798 INFO L93 Difference]: Finished difference Result 655882 states and 783605 transitions. [2024-11-09 23:51:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-09 23:51:14,798 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 9.266666666666667) internal successors, (278), 29 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2024-11-09 23:51:14,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:15,830 INFO L225 Difference]: With dead ends: 655882 [2024-11-09 23:51:15,830 INFO L226 Difference]: Without dead ends: 583125 [2024-11-09 23:51:15,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1328 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1197, Invalid=4059, Unknown=0, NotChecked=0, Total=5256 [2024-11-09 23:51:15,984 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 4586 mSDsluCounter, 2149 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4586 SdHoareTripleChecker+Valid, 2355 SdHoareTripleChecker+Invalid, 2163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 2056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:15,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4586 Valid, 2355 Invalid, 2163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 2056 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 23:51:16,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583125 states. [2024-11-09 23:51:20,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583125 to 260714. [2024-11-09 23:51:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260714 states, 260713 states have (on average 1.2016431861855756) internal successors, (313284), 260713 states have internal predecessors, (313284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:21,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260714 states to 260714 states and 313284 transitions. [2024-11-09 23:51:21,222 INFO L78 Accepts]: Start accepts. Automaton has 260714 states and 313284 transitions. Word has length 108 [2024-11-09 23:51:21,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:21,222 INFO L471 AbstractCegarLoop]: Abstraction has 260714 states and 313284 transitions. [2024-11-09 23:51:21,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.266666666666667) internal successors, (278), 29 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:21,223 INFO L276 IsEmpty]: Start isEmpty. Operand 260714 states and 313284 transitions. [2024-11-09 23:51:21,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 23:51:21,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:21,236 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] [2024-11-09 23:51:21,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 23:51:21,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:51:21,437 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:21,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:21,441 INFO L85 PathProgramCache]: Analyzing trace with hash -416095326, now seen corresponding path program 1 times [2024-11-09 23:51:21,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:21,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643138968] [2024-11-09 23:51:21,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:21,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:21,517 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:21,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:21,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643138968] [2024-11-09 23:51:21,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643138968] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:51:21,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882629592] [2024-11-09 23:51:21,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:21,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:51:21,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:51:21,519 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:51:21,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 23:51:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:21,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:51:21,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:51:21,949 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:21,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:51:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:22,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882629592] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:51:22,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:51:22,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-09 23:51:22,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694424873] [2024-11-09 23:51:22,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:51:22,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 23:51:22,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:22,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 23:51:22,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-09 23:51:22,087 INFO L87 Difference]: Start difference. First operand 260714 states and 313284 transitions. Second operand has 14 states, 14 states have (on average 21.142857142857142) internal successors, (296), 14 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)