./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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.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 9a9140492f4e733c378f87636be646ccd8e7d2f60174537e06a80c7020d713fe --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 08:32:40,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:32:40,504 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:32:40,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:32:40,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:32:40,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:32:40,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:32:40,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:32:40,538 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:32:40,539 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:32:40,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:32:40,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:32:40,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:32:40,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:32:40,544 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:32:40,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:32:40,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:32:40,545 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:32:40,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:32:40,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:32:40,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:32:40,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:32:40,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:32:40,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:32:40,549 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:32:40,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:32:40,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:32:40,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:32:40,550 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:32:40,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:32:40,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:32:40,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:32:40,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:32:40,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:32:40,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:32:40,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:32:40,551 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:32:40,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:32:40,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:32:40,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:32:40,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:32:40,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:32:40,554 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a9140492f4e733c378f87636be646ccd8e7d2f60174537e06a80c7020d713fe [2024-11-16 08:32:40,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:32:40,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:32:40,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:32:40,901 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:32:40,901 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:32:40,902 INFO L431 ainManager$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.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-16 08:32:42,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:32:42,694 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:32:42,694 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-16 08:32:42,734 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6164ccf/b2e66da88ca745b4bbc429d22fffd64b/FLAGb8727e544 [2024-11-16 08:32:42,749 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6164ccf/b2e66da88ca745b4bbc429d22fffd64b [2024-11-16 08:32:42,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:32:42,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:32:42,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:32:42,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:32:42,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:32:42,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:32:42" (1/1) ... [2024-11-16 08:32:42,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2c59a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:42, skipping insertion in model container [2024-11-16 08:32:42,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:32:42" (1/1) ... [2024-11-16 08:32:42,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:32:43,179 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.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[8635,8648] [2024-11-16 08:32:43,234 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.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15820,15833] [2024-11-16 08:32:43,245 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.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18017,18030] [2024-11-16 08:32:43,250 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.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[19041,19054] [2024-11-16 08:32:43,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:32:43,434 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:32:43,464 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.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[8635,8648] [2024-11-16 08:32:43,490 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.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15820,15833] [2024-11-16 08:32:43,500 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.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18017,18030] [2024-11-16 08:32:43,508 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.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[19041,19054] [2024-11-16 08:32:43,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:32:43,687 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:32:43,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43 WrapperNode [2024-11-16 08:32:43,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:32:43,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:32:43,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:32:43,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:32:43,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43" (1/1) ... [2024-11-16 08:32:43,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43" (1/1) ... [2024-11-16 08:32:43,869 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2844 [2024-11-16 08:32:43,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:32:43,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:32:43,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:32:43,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:32:43,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43" (1/1) ... [2024-11-16 08:32:43,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43" (1/1) ... [2024-11-16 08:32:43,891 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43" (1/1) ... [2024-11-16 08:32:43,930 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]. [2024-11-16 08:32:43,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43" (1/1) ... [2024-11-16 08:32:43,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43" (1/1) ... [2024-11-16 08:32:43,979 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43" (1/1) ... [2024-11-16 08:32:43,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43" (1/1) ... [2024-11-16 08:32:43,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43" (1/1) ... [2024-11-16 08:32:43,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43" (1/1) ... [2024-11-16 08:32:44,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:32:44,010 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:32:44,010 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:32:44,011 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:32:44,012 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43" (1/1) ... [2024-11-16 08:32:44,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:32:44,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:32:44,050 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) [2024-11-16 08:32:44,053 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 [2024-11-16 08:32:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:32:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:32:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:32:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:32:44,299 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:32:44,301 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:32:45,811 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1621: havoc main_~node3__m3~6#1; [2024-11-16 08:32:45,811 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3471: 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; [2024-11-16 08:32:45,811 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L301: havoc main_~node2__m2~1#1; [2024-11-16 08:32:45,811 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3142: havoc main_~node3__m3~12#1; [2024-11-16 08:32:45,811 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3935: havoc main_~node3____CPAchecker_TMP_0~11#1; [2024-11-16 08:32:45,811 INFO L1250 $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; [2024-11-16 08:32:45,812 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4332: 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;havoc main_~node3____CPAchecker_TMP_1~12#1; [2024-11-16 08:32:45,812 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2086: 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; [2024-11-16 08:32:45,812 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2549: 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;havoc main_~node3____CPAchecker_TMP_1~5#1; [2024-11-16 08:32:45,812 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3408: havoc main_~node2__m2~5#1;havoc main_~node1____CPAchecker_TMP_1~2#1; [2024-11-16 08:32:45,812 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3674: havoc main_~node3__m3~14#1; [2024-11-16 08:32:45,812 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2221: 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; [2024-11-16 08:32:45,812 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2684: 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; [2024-11-16 08:32:45,813 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1298: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2024-11-16 08:32:45,813 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-16 08:32:45,813 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4139: 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; [2024-11-16 08:32:45,813 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1631: havoc main_~node3____CPAchecker_TMP_0~2#1; [2024-11-16 08:32:45,813 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4274: 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; [2024-11-16 08:32:45,813 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2028: 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;havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-16 08:32:45,813 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2491: 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; [2024-11-16 08:32:45,813 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3152: havoc main_~node3____CPAchecker_TMP_0~8#1; [2024-11-16 08:32:45,814 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L906: 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; [2024-11-16 08:32:45,814 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L511: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-16 08:32:45,814 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3418: havoc main_~node2____CPAchecker_TMP_0~3#1; [2024-11-16 08:32:45,814 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1040: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2024-11-16 08:32:45,815 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1173: 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; [2024-11-16 08:32:45,815 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2891: havoc main_~node3__m3~11#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-16 08:32:45,815 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3684: havoc main_~node3____CPAchecker_TMP_0~10#1; [2024-11-16 08:32:45,815 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4081: 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;havoc main_~node3____CPAchecker_TMP_1~11#1; [2024-11-16 08:32:45,815 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1835: 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; [2024-11-16 08:32:45,816 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L712: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-16 08:32:45,816 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3356: 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; [2024-11-16 08:32:45,816 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2167: 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; [2024-11-16 08:32:45,816 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L318: havoc main_~node3__m3~1#1; [2024-11-16 08:32:45,816 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1970: 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; [2024-11-16 08:32:45,817 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3888: 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; [2024-11-16 08:32:45,817 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1114: havoc main_~node2__m2~3#1; [2024-11-16 08:32:45,817 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3427: havoc main_~node3__m3~13#1; [2024-11-16 08:32:45,817 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4220: 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; [2024-11-16 08:32:45,817 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2437: 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; [2024-11-16 08:32:45,818 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4023: 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; [2024-11-16 08:32:45,818 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1777: 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;havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-16 08:32:45,818 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L654: havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-16 08:32:45,818 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L390: havoc main_~node2__m2~2#1; [2024-11-16 08:32:45,818 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-16 08:32:45,818 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2901: havoc main_~node3____CPAchecker_TMP_0~7#1; [2024-11-16 08:32:45,819 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3298: 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;havoc main_~node3____CPAchecker_TMP_1~8#1; [2024-11-16 08:32:45,819 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2374: havoc main_~node2__m2~4#1; [2024-11-16 08:32:45,819 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2640: havoc main_~node3__m3~10#1; [2024-11-16 08:32:45,819 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: 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;havoc main_~node3____CPAchecker_TMP_1~10#1; [2024-11-16 08:32:45,819 INFO L1250 $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; [2024-11-16 08:32:45,819 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3105: 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; [2024-11-16 08:32:45,820 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1916: 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; [2024-11-16 08:32:45,820 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1719: 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; [2024-11-16 08:32:45,820 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3437: havoc main_~node3____CPAchecker_TMP_0~9#1; [2024-11-16 08:32:45,820 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1588: 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; [2024-11-16 08:32:45,820 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3240: 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; [2024-11-16 08:32:45,821 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L202: havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-16 08:32:45,821 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3969: 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; [2024-11-16 08:32:45,821 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L798: havoc main_~node1____CPAchecker_TMP_0~2#1; [2024-11-16 08:32:45,821 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2384: havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-16 08:32:45,821 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: 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; [2024-11-16 08:32:45,822 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1328: havoc main_~check__tmp~9#1; [2024-11-16 08:32:45,822 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L998: 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; [2024-11-16 08:32:45,822 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2650: havoc main_~node3____CPAchecker_TMP_0~6#1; [2024-11-16 08:32:45,822 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3641: 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; [2024-11-16 08:32:45,822 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1131: havoc main_~node3__m3~4#1; [2024-11-16 08:32:45,823 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3047: 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;havoc main_~node3____CPAchecker_TMP_1~7#1; [2024-11-16 08:32:45,823 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1264: havoc main_~node3__m3~5#1; [2024-11-16 08:32:45,823 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2123: havoc main_~node3__m3~8#1; [2024-11-16 08:32:45,823 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L539: havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-16 08:32:45,823 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1530: 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;havoc main_~node3____CPAchecker_TMP_1~1#1; [2024-11-16 08:32:45,824 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L408: havoc main_~node3__m3~2#1; [2024-11-16 08:32:45,824 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2854: 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; [2024-11-16 08:32:45,824 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L740: havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-16 08:32:45,824 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1665: 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; [2024-11-16 08:32:45,824 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L212: havoc main_~node2__m2~0#1; [2024-11-16 08:32:45,825 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4176: havoc main_~node3__m3~16#1; [2024-11-16 08:32:45,825 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2393: havoc main_~node3__m3~9#1; [2024-11-16 08:32:45,825 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3186: 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; [2024-11-16 08:32:45,825 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3583: 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;havoc main_~node3____CPAchecker_TMP_1~9#1; [2024-11-16 08:32:45,825 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2989: 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; [2024-11-16 08:32:45,825 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3718: 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; [2024-11-16 08:32:45,826 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1472: 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; [2024-11-16 08:32:45,826 INFO L1250 $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; [2024-11-16 08:32:45,826 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2133: havoc main_~node3____CPAchecker_TMP_0~4#1; [2024-11-16 08:32:45,826 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: 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;havoc main_~node3____CPAchecker_TMP_1~6#1; [2024-11-16 08:32:45,826 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1872: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-16 08:32:45,827 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3525: 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; [2024-11-16 08:32:45,827 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L222: havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-16 08:32:45,827 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4186: havoc main_~node3____CPAchecker_TMP_0~12#1; [2024-11-16 08:32:45,827 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2403: havoc main_~node3____CPAchecker_TMP_0~5#1; [2024-11-16 08:32:45,827 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2337: 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; [2024-11-16 08:32:45,827 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1215: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1; [2024-11-16 08:32:45,827 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3925: havoc main_~node3__m3~15#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-16 08:32:45,828 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2935: 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; [2024-11-16 08:32:45,828 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: 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; [2024-11-16 08:32:45,828 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4390: 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; [2024-11-16 08:32:45,828 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2607: 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; [2024-11-16 08:32:45,828 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L956: havoc main_~node3__m3~3#1; [2024-11-16 08:32:45,828 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L626: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-16 08:32:45,828 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1882: havoc main_~node3____CPAchecker_TMP_0~3#1; [2024-11-16 08:32:45,828 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L231: havoc main_~node3__m3~0#1; [2024-11-16 08:32:45,828 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2279: 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;havoc main_~node3____CPAchecker_TMP_1~4#1; [2024-11-16 08:32:45,829 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L826: havoc main_~node1____CPAchecker_TMP_1~1#1; [2024-11-16 08:32:45,943 INFO L? ?]: Removed 486 outVars from TransFormulas that were not future-live. [2024-11-16 08:32:45,943 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:32:45,976 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:32:45,977 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:32:45,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:32:45 BoogieIcfgContainer [2024-11-16 08:32:45,978 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:32:45,980 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:32:45,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:32:45,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:32:45,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:32:42" (1/3) ... [2024-11-16 08:32:45,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffde2f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:32:45, skipping insertion in model container [2024-11-16 08:32:45,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:43" (2/3) ... [2024-11-16 08:32:45,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffde2f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:32:45, skipping insertion in model container [2024-11-16 08:32:45,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:32:45" (3/3) ... [2024-11-16 08:32:45,989 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-16 08:32:46,009 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:32:46,010 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-16 08:32:46,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:32:46,106 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;@285d1a7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:32:46,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-16 08:32:46,114 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) [2024-11-16 08:32:46,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-16 08:32:46,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:46,129 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] [2024-11-16 08:32:46,129 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)] === [2024-11-16 08:32:46,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:46,134 INFO L85 PathProgramCache]: Analyzing trace with hash -2053675656, now seen corresponding path program 1 times [2024-11-16 08:32:46,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:46,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321348013] [2024-11-16 08:32:46,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:46,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:46,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:46,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:46,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321348013] [2024-11-16 08:32:46,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321348013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:46,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:46,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:32:46,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130602461] [2024-11-16 08:32:46,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:46,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:46,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:46,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:46,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:46,733 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) [2024-11-16 08:32:47,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:47,264 INFO L93 Difference]: Finished difference Result 853 states and 1493 transitions. [2024-11-16 08:32:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:47,268 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 [2024-11-16 08:32:47,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:47,285 INFO L225 Difference]: With dead ends: 853 [2024-11-16 08:32:47,285 INFO L226 Difference]: Without dead ends: 495 [2024-11-16 08:32:47,290 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 [2024-11-16 08:32:47,295 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 2329 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2329 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:47,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2329 Valid, 587 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:32:47,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-16 08:32:47,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 489. [2024-11-16 08:32:47,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 485 states have (on average 1.3587628865979382) internal successors, (659), 488 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:47,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 659 transitions. [2024-11-16 08:32:47,359 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 659 transitions. Word has length 51 [2024-11-16 08:32:47,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:47,361 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 659 transitions. [2024-11-16 08:32:47,361 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) [2024-11-16 08:32:47,361 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 659 transitions. [2024-11-16 08:32:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-16 08:32:47,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:47,364 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] [2024-11-16 08:32:47,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 08:32:47,365 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)] === [2024-11-16 08:32:47,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:47,368 INFO L85 PathProgramCache]: Analyzing trace with hash 611473411, now seen corresponding path program 1 times [2024-11-16 08:32:47,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:47,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720613519] [2024-11-16 08:32:47,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:47,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:47,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:47,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720613519] [2024-11-16 08:32:47,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720613519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:47,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:47,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:47,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47463883] [2024-11-16 08:32:47,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:47,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:47,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:47,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:47,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:47,523 INFO L87 Difference]: Start difference. First operand 489 states and 659 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) [2024-11-16 08:32:47,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:47,585 INFO L93 Difference]: Finished difference Result 949 states and 1323 transitions. [2024-11-16 08:32:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:47,585 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 [2024-11-16 08:32:47,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:47,589 INFO L225 Difference]: With dead ends: 949 [2024-11-16 08:32:47,590 INFO L226 Difference]: Without dead ends: 715 [2024-11-16 08:32:47,592 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 [2024-11-16 08:32:47,594 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 270 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 862 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 [2024-11-16 08:32:47,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 862 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:47,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-11-16 08:32:47,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 708. [2024-11-16 08:32:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 704 states have (on average 1.3835227272727273) internal successors, (974), 707 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:47,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 974 transitions. [2024-11-16 08:32:47,624 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 974 transitions. Word has length 52 [2024-11-16 08:32:47,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:47,624 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 974 transitions. [2024-11-16 08:32:47,625 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) [2024-11-16 08:32:47,625 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 974 transitions. [2024-11-16 08:32:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-16 08:32:47,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:47,628 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] [2024-11-16 08:32:47,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 08:32:47,628 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:47,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:47,629 INFO L85 PathProgramCache]: Analyzing trace with hash 644221955, now seen corresponding path program 1 times [2024-11-16 08:32:47,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:47,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886262392] [2024-11-16 08:32:47,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:47,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:47,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:47,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886262392] [2024-11-16 08:32:47,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886262392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:47,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:47,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:47,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739482334] [2024-11-16 08:32:47,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:47,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:47,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:47,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:47,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:47,725 INFO L87 Difference]: Start difference. First operand 708 states and 974 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) [2024-11-16 08:32:47,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:47,781 INFO L93 Difference]: Finished difference Result 1369 states and 1906 transitions. [2024-11-16 08:32:47,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:47,782 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 [2024-11-16 08:32:47,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:47,786 INFO L225 Difference]: With dead ends: 1369 [2024-11-16 08:32:47,786 INFO L226 Difference]: Without dead ends: 952 [2024-11-16 08:32:47,787 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 [2024-11-16 08:32:47,789 INFO L432 NwaCegarLoop]: 600 mSDtfsCounter, 367 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 939 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 [2024-11-16 08:32:47,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 939 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:47,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2024-11-16 08:32:47,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 942. [2024-11-16 08:32:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 938 states have (on average 1.359275053304904) internal successors, (1275), 941 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:47,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1275 transitions. [2024-11-16 08:32:47,820 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1275 transitions. Word has length 52 [2024-11-16 08:32:47,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:47,822 INFO L471 AbstractCegarLoop]: Abstraction has 942 states and 1275 transitions. [2024-11-16 08:32:47,822 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) [2024-11-16 08:32:47,823 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1275 transitions. [2024-11-16 08:32:47,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-16 08:32:47,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:47,828 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] [2024-11-16 08:32:47,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 08:32:47,829 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)] === [2024-11-16 08:32:47,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:47,831 INFO L85 PathProgramCache]: Analyzing trace with hash -832950119, now seen corresponding path program 1 times [2024-11-16 08:32:47,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:47,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6615981] [2024-11-16 08:32:47,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:47,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:48,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:48,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6615981] [2024-11-16 08:32:48,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6615981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:48,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:48,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:32:48,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52216907] [2024-11-16 08:32:48,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:48,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:48,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:48,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:48,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:48,011 INFO L87 Difference]: Start difference. First operand 942 states and 1275 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) [2024-11-16 08:32:48,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:48,342 INFO L93 Difference]: Finished difference Result 1872 states and 2566 transitions. [2024-11-16 08:32:48,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:48,343 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 [2024-11-16 08:32:48,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:48,347 INFO L225 Difference]: With dead ends: 1872 [2024-11-16 08:32:48,348 INFO L226 Difference]: Without dead ends: 1141 [2024-11-16 08:32:48,349 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 [2024-11-16 08:32:48,351 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 1531 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:48,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1531 Valid, 368 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:32:48,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-16 08:32:48,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1131. [2024-11-16 08:32:48,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1127 states have (on average 1.3540372670807452) internal successors, (1526), 1130 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1526 transitions. [2024-11-16 08:32:48,380 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1526 transitions. Word has length 52 [2024-11-16 08:32:48,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:48,381 INFO L471 AbstractCegarLoop]: Abstraction has 1131 states and 1526 transitions. [2024-11-16 08:32:48,382 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) [2024-11-16 08:32:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1526 transitions. [2024-11-16 08:32:48,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-16 08:32:48,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:48,386 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] [2024-11-16 08:32:48,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 08:32:48,387 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:48,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:48,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1809465413, now seen corresponding path program 1 times [2024-11-16 08:32:48,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:48,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939711125] [2024-11-16 08:32:48,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:48,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:48,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:48,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939711125] [2024-11-16 08:32:48,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939711125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:48,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:48,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:32:48,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358220269] [2024-11-16 08:32:48,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:48,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:48,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:48,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:48,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:48,563 INFO L87 Difference]: Start difference. First operand 1131 states and 1526 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) [2024-11-16 08:32:48,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:48,848 INFO L93 Difference]: Finished difference Result 2767 states and 3822 transitions. [2024-11-16 08:32:48,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:48,848 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 [2024-11-16 08:32:48,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:48,854 INFO L225 Difference]: With dead ends: 2767 [2024-11-16 08:32:48,855 INFO L226 Difference]: Without dead ends: 1790 [2024-11-16 08:32:48,857 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 [2024-11-16 08:32:48,858 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 1480 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:48,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 363 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:32:48,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2024-11-16 08:32:48,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1784. [2024-11-16 08:32:48,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1780 states have (on average 1.3752808988764045) internal successors, (2448), 1783 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2448 transitions. [2024-11-16 08:32:48,897 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2448 transitions. Word has length 53 [2024-11-16 08:32:48,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:48,897 INFO L471 AbstractCegarLoop]: Abstraction has 1784 states and 2448 transitions. [2024-11-16 08:32:48,898 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) [2024-11-16 08:32:48,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2448 transitions. [2024-11-16 08:32:48,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-16 08:32:48,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:48,901 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:48,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 08:32:48,901 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:48,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:48,902 INFO L85 PathProgramCache]: Analyzing trace with hash 59561500, now seen corresponding path program 1 times [2024-11-16 08:32:48,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:48,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942397728] [2024-11-16 08:32:48,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:48,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:48,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:48,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942397728] [2024-11-16 08:32:48,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942397728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:48,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:48,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:48,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172855434] [2024-11-16 08:32:48,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:48,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:48,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:48,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:48,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:48,968 INFO L87 Difference]: Start difference. First operand 1784 states and 2448 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 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) [2024-11-16 08:32:49,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:49,014 INFO L93 Difference]: Finished difference Result 3669 states and 5101 transitions. [2024-11-16 08:32:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:49,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 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 [2024-11-16 08:32:49,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:49,022 INFO L225 Difference]: With dead ends: 3669 [2024-11-16 08:32:49,022 INFO L226 Difference]: Without dead ends: 2379 [2024-11-16 08:32:49,024 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 [2024-11-16 08:32:49,025 INFO L432 NwaCegarLoop]: 428 mSDtfsCounter, 247 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 718 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 [2024-11-16 08:32:49,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 718 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:49,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2379 states. [2024-11-16 08:32:49,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2379 to 2364. [2024-11-16 08:32:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2364 states, 2360 states have (on average 1.3601694915254237) internal successors, (3210), 2363 states have internal predecessors, (3210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:49,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2364 states and 3210 transitions. [2024-11-16 08:32:49,071 INFO L78 Accepts]: Start accepts. Automaton has 2364 states and 3210 transitions. Word has length 53 [2024-11-16 08:32:49,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:49,071 INFO L471 AbstractCegarLoop]: Abstraction has 2364 states and 3210 transitions. [2024-11-16 08:32:49,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 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) [2024-11-16 08:32:49,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 3210 transitions. [2024-11-16 08:32:49,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 08:32:49,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:49,073 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] [2024-11-16 08:32:49,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 08:32:49,074 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:49,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:49,074 INFO L85 PathProgramCache]: Analyzing trace with hash -233220805, now seen corresponding path program 1 times [2024-11-16 08:32:49,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:49,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467024892] [2024-11-16 08:32:49,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:49,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:49,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:49,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467024892] [2024-11-16 08:32:49,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467024892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:49,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:49,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:32:49,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917190864] [2024-11-16 08:32:49,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:49,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:32:49,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:49,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:32:49,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:49,267 INFO L87 Difference]: Start difference. First operand 2364 states and 3210 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) [2024-11-16 08:32:49,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:49,684 INFO L93 Difference]: Finished difference Result 4683 states and 6439 transitions. [2024-11-16 08:32:49,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:32:49,685 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 [2024-11-16 08:32:49,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:49,697 INFO L225 Difference]: With dead ends: 4683 [2024-11-16 08:32:49,697 INFO L226 Difference]: Without dead ends: 3605 [2024-11-16 08:32:49,702 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 [2024-11-16 08:32:49,703 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1733 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1733 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:49,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1733 Valid, 596 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:32:49,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3605 states. [2024-11-16 08:32:49,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3605 to 2378. [2024-11-16 08:32:49,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2378 states, 2374 states have (on average 1.3597304128053918) internal successors, (3228), 2377 states have internal predecessors, (3228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:49,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2378 states and 3228 transitions. [2024-11-16 08:32:49,776 INFO L78 Accepts]: Start accepts. Automaton has 2378 states and 3228 transitions. Word has length 54 [2024-11-16 08:32:49,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:49,777 INFO L471 AbstractCegarLoop]: Abstraction has 2378 states and 3228 transitions. [2024-11-16 08:32:49,777 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) [2024-11-16 08:32:49,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 3228 transitions. [2024-11-16 08:32:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 08:32:49,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:49,780 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] [2024-11-16 08:32:49,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 08:32:49,781 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)] === [2024-11-16 08:32:49,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:49,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1168996807, now seen corresponding path program 1 times [2024-11-16 08:32:49,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:49,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668487759] [2024-11-16 08:32:49,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:49,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:49,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:49,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668487759] [2024-11-16 08:32:49,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668487759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:49,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:49,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:32:49,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096462303] [2024-11-16 08:32:49,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:49,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:32:49,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:49,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:32:49,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:49,977 INFO L87 Difference]: Start difference. First operand 2378 states and 3228 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) [2024-11-16 08:32:50,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:50,452 INFO L93 Difference]: Finished difference Result 5148 states and 7108 transitions. [2024-11-16 08:32:50,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:32:50,452 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 [2024-11-16 08:32:50,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:50,465 INFO L225 Difference]: With dead ends: 5148 [2024-11-16 08:32:50,465 INFO L226 Difference]: Without dead ends: 4269 [2024-11-16 08:32:50,468 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 [2024-11-16 08:32:50,470 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 1861 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1861 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:50,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1861 Valid, 632 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:32:50,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4269 states. [2024-11-16 08:32:50,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4269 to 2400. [2024-11-16 08:32:50,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2400 states, 2396 states have (on average 1.3601836393989983) internal successors, (3259), 2399 states have internal predecessors, (3259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2400 states and 3259 transitions. [2024-11-16 08:32:50,547 INFO L78 Accepts]: Start accepts. Automaton has 2400 states and 3259 transitions. Word has length 54 [2024-11-16 08:32:50,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:50,547 INFO L471 AbstractCegarLoop]: Abstraction has 2400 states and 3259 transitions. [2024-11-16 08:32:50,548 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) [2024-11-16 08:32:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 3259 transitions. [2024-11-16 08:32:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 08:32:50,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:50,550 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:50,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 08:32:50,550 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:50,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1291137859, now seen corresponding path program 1 times [2024-11-16 08:32:50,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:50,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506081697] [2024-11-16 08:32:50,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:50,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:50,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:50,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506081697] [2024-11-16 08:32:50,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506081697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:50,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:50,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:32:50,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718357992] [2024-11-16 08:32:50,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:50,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:32:50,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:50,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:32:50,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:50,694 INFO L87 Difference]: Start difference. First operand 2400 states and 3259 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) [2024-11-16 08:32:51,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:51,169 INFO L93 Difference]: Finished difference Result 5998 states and 8278 transitions. [2024-11-16 08:32:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:32:51,170 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 [2024-11-16 08:32:51,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:51,184 INFO L225 Difference]: With dead ends: 5998 [2024-11-16 08:32:51,184 INFO L226 Difference]: Without dead ends: 5000 [2024-11-16 08:32:51,186 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 [2024-11-16 08:32:51,187 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 1988 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:51,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 647 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:32:51,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5000 states. [2024-11-16 08:32:51,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5000 to 2434. [2024-11-16 08:32:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2434 states, 2430 states have (on average 1.3592592592592592) internal successors, (3303), 2433 states have internal predecessors, (3303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:51,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 3303 transitions. [2024-11-16 08:32:51,261 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 3303 transitions. Word has length 54 [2024-11-16 08:32:51,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:51,261 INFO L471 AbstractCegarLoop]: Abstraction has 2434 states and 3303 transitions. [2024-11-16 08:32:51,261 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) [2024-11-16 08:32:51,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 3303 transitions. [2024-11-16 08:32:51,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-16 08:32:51,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:51,264 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] [2024-11-16 08:32:51,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 08:32:51,264 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)] === [2024-11-16 08:32:51,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:51,269 INFO L85 PathProgramCache]: Analyzing trace with hash -123695429, now seen corresponding path program 1 times [2024-11-16 08:32:51,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:51,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783234734] [2024-11-16 08:32:51,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:51,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:51,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:51,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783234734] [2024-11-16 08:32:51,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783234734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:51,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:51,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 08:32:51,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642099142] [2024-11-16 08:32:51,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:51,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 08:32:51,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:51,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 08:32:51,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:32:51,593 INFO L87 Difference]: Start difference. First operand 2434 states and 3303 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) [2024-11-16 08:32:52,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:52,144 INFO L93 Difference]: Finished difference Result 5780 states and 8015 transitions. [2024-11-16 08:32:52,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:32:52,144 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 [2024-11-16 08:32:52,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:52,156 INFO L225 Difference]: With dead ends: 5780 [2024-11-16 08:32:52,156 INFO L226 Difference]: Without dead ends: 4176 [2024-11-16 08:32:52,160 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 [2024-11-16 08:32:52,160 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 1396 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:52,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1396 Valid, 999 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:32:52,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2024-11-16 08:32:52,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 2347. [2024-11-16 08:32:52,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2347 states, 2343 states have (on average 1.3576611182244984) internal successors, (3181), 2346 states have internal predecessors, (3181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 2347 states and 3181 transitions. [2024-11-16 08:32:52,213 INFO L78 Accepts]: Start accepts. Automaton has 2347 states and 3181 transitions. Word has length 55 [2024-11-16 08:32:52,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:52,213 INFO L471 AbstractCegarLoop]: Abstraction has 2347 states and 3181 transitions. [2024-11-16 08:32:52,213 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) [2024-11-16 08:32:52,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 3181 transitions. [2024-11-16 08:32:52,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-16 08:32:52,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:52,215 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] [2024-11-16 08:32:52,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 08:32:52,216 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)] === [2024-11-16 08:32:52,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:52,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1208567247, now seen corresponding path program 1 times [2024-11-16 08:32:52,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:52,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935330775] [2024-11-16 08:32:52,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:52,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:52,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:52,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935330775] [2024-11-16 08:32:52,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935330775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:52,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:52,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:32:52,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375958497] [2024-11-16 08:32:52,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:52,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:32:52,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:52,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:32:52,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:32:52,523 INFO L87 Difference]: Start difference. First operand 2347 states and 3181 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) [2024-11-16 08:32:53,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:53,216 INFO L93 Difference]: Finished difference Result 5936 states and 8184 transitions. [2024-11-16 08:32:53,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:32:53,216 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 [2024-11-16 08:32:53,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:53,234 INFO L225 Difference]: With dead ends: 5936 [2024-11-16 08:32:53,238 INFO L226 Difference]: Without dead ends: 4486 [2024-11-16 08:32:53,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-16 08:32:53,243 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 1854 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:53,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1854 Valid, 1214 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:32:53,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2024-11-16 08:32:53,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2318. [2024-11-16 08:32:53,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2314 states have (on average 1.3569576490924806) internal successors, (3140), 2317 states have internal predecessors, (3140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:53,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3140 transitions. [2024-11-16 08:32:53,292 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3140 transitions. Word has length 55 [2024-11-16 08:32:53,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:53,292 INFO L471 AbstractCegarLoop]: Abstraction has 2318 states and 3140 transitions. [2024-11-16 08:32:53,292 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) [2024-11-16 08:32:53,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3140 transitions. [2024-11-16 08:32:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-16 08:32:53,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:53,294 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] [2024-11-16 08:32:53,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 08:32:53,295 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)] === [2024-11-16 08:32:53,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:53,295 INFO L85 PathProgramCache]: Analyzing trace with hash -90946885, now seen corresponding path program 1 times [2024-11-16 08:32:53,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:53,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012466863] [2024-11-16 08:32:53,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:53,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:53,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:53,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012466863] [2024-11-16 08:32:53,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012466863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:53,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:53,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:32:53,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618063153] [2024-11-16 08:32:53,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:53,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:32:53,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:53,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:32:53,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:32:53,616 INFO L87 Difference]: Start difference. First operand 2318 states and 3140 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) [2024-11-16 08:32:54,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:54,263 INFO L93 Difference]: Finished difference Result 3454 states and 4698 transitions. [2024-11-16 08:32:54,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:32:54,266 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 [2024-11-16 08:32:54,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:54,273 INFO L225 Difference]: With dead ends: 3454 [2024-11-16 08:32:54,273 INFO L226 Difference]: Without dead ends: 3449 [2024-11-16 08:32:54,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:32:54,275 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 1759 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1759 SdHoareTripleChecker+Valid, 1315 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:54,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1759 Valid, 1315 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:32:54,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3449 states. [2024-11-16 08:32:54,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3449 to 2318. [2024-11-16 08:32:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2314 states have (on average 1.3560933448573897) internal successors, (3138), 2317 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:54,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3138 transitions. [2024-11-16 08:32:54,315 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3138 transitions. Word has length 55 [2024-11-16 08:32:54,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:54,316 INFO L471 AbstractCegarLoop]: Abstraction has 2318 states and 3138 transitions. [2024-11-16 08:32:54,316 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) [2024-11-16 08:32:54,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3138 transitions. [2024-11-16 08:32:54,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:32:54,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:54,318 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] [2024-11-16 08:32:54,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 08:32:54,318 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)] === [2024-11-16 08:32:54,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:54,319 INFO L85 PathProgramCache]: Analyzing trace with hash -412588965, now seen corresponding path program 1 times [2024-11-16 08:32:54,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:54,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550644598] [2024-11-16 08:32:54,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:54,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:54,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:54,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550644598] [2024-11-16 08:32:54,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550644598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:54,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:54,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:54,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420584861] [2024-11-16 08:32:54,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:54,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:54,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:54,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:54,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:54,377 INFO L87 Difference]: Start difference. First operand 2318 states and 3138 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) [2024-11-16 08:32:54,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:54,410 INFO L93 Difference]: Finished difference Result 3438 states and 4686 transitions. [2024-11-16 08:32:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:54,411 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 [2024-11-16 08:32:54,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:54,414 INFO L225 Difference]: With dead ends: 3438 [2024-11-16 08:32:54,414 INFO L226 Difference]: Without dead ends: 2309 [2024-11-16 08:32:54,415 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 [2024-11-16 08:32:54,416 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 262 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 822 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 [2024-11-16 08:32:54,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 822 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:54,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-16 08:32:54,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2303. [2024-11-16 08:32:54,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 2299 states have (on average 1.3371030882992605) internal successors, (3074), 2302 states have internal predecessors, (3074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 3074 transitions. [2024-11-16 08:32:54,444 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 3074 transitions. Word has length 56 [2024-11-16 08:32:54,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:54,444 INFO L471 AbstractCegarLoop]: Abstraction has 2303 states and 3074 transitions. [2024-11-16 08:32:54,445 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) [2024-11-16 08:32:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 3074 transitions. [2024-11-16 08:32:54,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:32:54,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:54,446 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] [2024-11-16 08:32:54,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 08:32:54,447 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)] === [2024-11-16 08:32:54,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:54,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1396299466, now seen corresponding path program 1 times [2024-11-16 08:32:54,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:54,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165159120] [2024-11-16 08:32:54,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:54,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:54,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:54,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165159120] [2024-11-16 08:32:54,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165159120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:54,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:54,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:54,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53191788] [2024-11-16 08:32:54,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:54,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:54,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:54,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:54,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:54,505 INFO L87 Difference]: Start difference. First operand 2303 states and 3074 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) [2024-11-16 08:32:54,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:54,557 INFO L93 Difference]: Finished difference Result 3333 states and 4487 transitions. [2024-11-16 08:32:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:54,557 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 [2024-11-16 08:32:54,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:54,560 INFO L225 Difference]: With dead ends: 3333 [2024-11-16 08:32:54,560 INFO L226 Difference]: Without dead ends: 2309 [2024-11-16 08:32:54,561 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 [2024-11-16 08:32:54,562 INFO L432 NwaCegarLoop]: 528 mSDtfsCounter, 243 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 817 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 [2024-11-16 08:32:54,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 817 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:54,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-16 08:32:54,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2303. [2024-11-16 08:32:54,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 2299 states have (on average 1.3249238799478034) internal successors, (3046), 2302 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 3046 transitions. [2024-11-16 08:32:54,590 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 3046 transitions. Word has length 56 [2024-11-16 08:32:54,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:54,590 INFO L471 AbstractCegarLoop]: Abstraction has 2303 states and 3046 transitions. [2024-11-16 08:32:54,590 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) [2024-11-16 08:32:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 3046 transitions. [2024-11-16 08:32:54,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:32:54,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:54,592 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] [2024-11-16 08:32:54,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 08:32:54,593 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)] === [2024-11-16 08:32:54,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:54,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1516309819, now seen corresponding path program 1 times [2024-11-16 08:32:54,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:54,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30768608] [2024-11-16 08:32:54,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:54,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:54,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:54,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30768608] [2024-11-16 08:32:54,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30768608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:54,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:54,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:54,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125155688] [2024-11-16 08:32:54,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:54,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:54,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:54,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:54,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:54,646 INFO L87 Difference]: Start difference. First operand 2303 states and 3046 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) [2024-11-16 08:32:54,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:54,688 INFO L93 Difference]: Finished difference Result 3266 states and 4356 transitions. [2024-11-16 08:32:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:54,689 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 [2024-11-16 08:32:54,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:54,692 INFO L225 Difference]: With dead ends: 3266 [2024-11-16 08:32:54,692 INFO L226 Difference]: Without dead ends: 2310 [2024-11-16 08:32:54,694 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 [2024-11-16 08:32:54,694 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 227 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 812 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 [2024-11-16 08:32:54,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 812 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:54,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2310 states. [2024-11-16 08:32:54,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2310 to 2303. [2024-11-16 08:32:54,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 2299 states have (on average 1.3118747281426708) internal successors, (3016), 2302 states have internal predecessors, (3016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:54,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 3016 transitions. [2024-11-16 08:32:54,725 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 3016 transitions. Word has length 56 [2024-11-16 08:32:54,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:54,725 INFO L471 AbstractCegarLoop]: Abstraction has 2303 states and 3016 transitions. [2024-11-16 08:32:54,725 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) [2024-11-16 08:32:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 3016 transitions. [2024-11-16 08:32:54,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-16 08:32:54,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:54,728 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] [2024-11-16 08:32:54,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 08:32:54,728 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)] === [2024-11-16 08:32:54,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:54,729 INFO L85 PathProgramCache]: Analyzing trace with hash 405565213, now seen corresponding path program 1 times [2024-11-16 08:32:54,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:54,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487412248] [2024-11-16 08:32:54,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:54,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:54,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:54,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487412248] [2024-11-16 08:32:54,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487412248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:54,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:54,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:54,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72679980] [2024-11-16 08:32:54,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:54,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:54,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:54,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:54,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:54,778 INFO L87 Difference]: Start difference. First operand 2303 states and 3016 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) [2024-11-16 08:32:54,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:54,839 INFO L93 Difference]: Finished difference Result 4130 states and 5467 transitions. [2024-11-16 08:32:54,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:54,839 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 [2024-11-16 08:32:54,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:54,844 INFO L225 Difference]: With dead ends: 4130 [2024-11-16 08:32:54,844 INFO L226 Difference]: Without dead ends: 2840 [2024-11-16 08:32:54,846 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 [2024-11-16 08:32:54,847 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 351 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:54,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 561 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:54,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2840 states. [2024-11-16 08:32:54,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2840 to 2121. [2024-11-16 08:32:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2121 states, 2117 states have (on average 1.3131790269248937) internal successors, (2780), 2120 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:54,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 2780 transitions. [2024-11-16 08:32:54,878 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 2780 transitions. Word has length 57 [2024-11-16 08:32:54,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:54,879 INFO L471 AbstractCegarLoop]: Abstraction has 2121 states and 2780 transitions. [2024-11-16 08:32:54,879 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) [2024-11-16 08:32:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2780 transitions. [2024-11-16 08:32:54,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-16 08:32:54,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:54,881 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] [2024-11-16 08:32:54,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 08:32:54,882 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:54,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:54,882 INFO L85 PathProgramCache]: Analyzing trace with hash 157213531, now seen corresponding path program 1 times [2024-11-16 08:32:54,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:54,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283967265] [2024-11-16 08:32:54,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:54,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:55,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:55,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283967265] [2024-11-16 08:32:55,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283967265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:55,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:55,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 08:32:55,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212413065] [2024-11-16 08:32:55,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:55,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:32:55,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:55,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:32:55,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:32:55,601 INFO L87 Difference]: Start difference. First operand 2121 states and 2780 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) [2024-11-16 08:32:56,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:56,540 INFO L93 Difference]: Finished difference Result 5049 states and 6728 transitions. [2024-11-16 08:32:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 08:32:56,540 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 [2024-11-16 08:32:56,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:56,549 INFO L225 Difference]: With dead ends: 5049 [2024-11-16 08:32:56,549 INFO L226 Difference]: Without dead ends: 4826 [2024-11-16 08:32:56,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=176, Invalid=526, Unknown=0, NotChecked=0, Total=702 [2024-11-16 08:32:56,552 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 3036 mSDsluCounter, 2329 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 2723 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:56,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3036 Valid, 2723 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:32:56,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2024-11-16 08:32:56,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 2096. [2024-11-16 08:32:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2096 states, 2093 states have (on average 1.3139034878165312) internal successors, (2750), 2095 states have internal predecessors, (2750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:56,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 2750 transitions. [2024-11-16 08:32:56,595 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 2750 transitions. Word has length 58 [2024-11-16 08:32:56,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:56,596 INFO L471 AbstractCegarLoop]: Abstraction has 2096 states and 2750 transitions. [2024-11-16 08:32:56,596 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) [2024-11-16 08:32:56,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2750 transitions. [2024-11-16 08:32:56,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-16 08:32:56,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:56,598 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:56,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 08:32:56,598 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:56,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:56,599 INFO L85 PathProgramCache]: Analyzing trace with hash -821921322, now seen corresponding path program 1 times [2024-11-16 08:32:56,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:56,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964578790] [2024-11-16 08:32:56,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:56,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:57,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:57,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:57,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964578790] [2024-11-16 08:32:57,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964578790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:57,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:57,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-16 08:32:57,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484279153] [2024-11-16 08:32:57,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:57,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-16 08:32:57,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:57,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-16 08:32:57,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:32:57,512 INFO L87 Difference]: Start difference. First operand 2096 states and 2750 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) [2024-11-16 08:32:59,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:59,040 INFO L93 Difference]: Finished difference Result 3097 states and 4065 transitions. [2024-11-16 08:32:59,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 08:32:59,040 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 [2024-11-16 08:32:59,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:59,045 INFO L225 Difference]: With dead ends: 3097 [2024-11-16 08:32:59,045 INFO L226 Difference]: Without dead ends: 3093 [2024-11-16 08:32:59,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=235, Invalid=887, Unknown=0, NotChecked=0, Total=1122 [2024-11-16 08:32:59,047 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 2459 mSDsluCounter, 3129 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2459 SdHoareTripleChecker+Valid, 3461 SdHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:59,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2459 Valid, 3461 Invalid, 1905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1894 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 08:32:59,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3093 states. [2024-11-16 08:32:59,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3093 to 2103. [2024-11-16 08:32:59,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2103 states, 2100 states have (on average 1.3138095238095238) internal successors, (2759), 2102 states have internal predecessors, (2759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:59,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 2759 transitions. [2024-11-16 08:32:59,078 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 2759 transitions. Word has length 58 [2024-11-16 08:32:59,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:59,078 INFO L471 AbstractCegarLoop]: Abstraction has 2103 states and 2759 transitions. [2024-11-16 08:32:59,078 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) [2024-11-16 08:32:59,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2759 transitions. [2024-11-16 08:32:59,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-16 08:32:59,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:59,081 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] [2024-11-16 08:32:59,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 08:32:59,081 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:59,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:59,082 INFO L85 PathProgramCache]: Analyzing trace with hash 2127461307, now seen corresponding path program 1 times [2024-11-16 08:32:59,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:59,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762103822] [2024-11-16 08:32:59,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:59,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:59,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:59,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762103822] [2024-11-16 08:32:59,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762103822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:59,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:59,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 08:32:59,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035593175] [2024-11-16 08:32:59,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:59,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 08:32:59,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:59,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 08:32:59,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-16 08:32:59,553 INFO L87 Difference]: Start difference. First operand 2103 states and 2759 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) [2024-11-16 08:33:00,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:00,200 INFO L93 Difference]: Finished difference Result 4305 states and 5711 transitions. [2024-11-16 08:33:00,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:33:00,200 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 [2024-11-16 08:33:00,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:00,207 INFO L225 Difference]: With dead ends: 4305 [2024-11-16 08:33:00,208 INFO L226 Difference]: Without dead ends: 4060 [2024-11-16 08:33:00,209 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 [2024-11-16 08:33:00,210 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 2929 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2929 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:00,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2929 Valid, 1326 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:33:00,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4060 states. [2024-11-16 08:33:00,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4060 to 2038. [2024-11-16 08:33:00,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 2036 states have (on average 1.3153241650294696) internal successors, (2678), 2037 states have internal predecessors, (2678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 2678 transitions. [2024-11-16 08:33:00,243 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 2678 transitions. Word has length 58 [2024-11-16 08:33:00,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:00,243 INFO L471 AbstractCegarLoop]: Abstraction has 2038 states and 2678 transitions. [2024-11-16 08:33:00,243 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) [2024-11-16 08:33:00,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2678 transitions. [2024-11-16 08:33:00,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-16 08:33:00,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:00,246 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] [2024-11-16 08:33:00,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 08:33:00,246 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:33:00,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:00,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1035633840, now seen corresponding path program 1 times [2024-11-16 08:33:00,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:00,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005341168] [2024-11-16 08:33:00,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:00,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:00,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:00,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005341168] [2024-11-16 08:33:00,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005341168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:00,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:00,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:33:00,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440143054] [2024-11-16 08:33:00,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:00,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:33:00,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:00,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:33:00,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:00,304 INFO L87 Difference]: Start difference. First operand 2038 states and 2678 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) [2024-11-16 08:33:00,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:00,365 INFO L93 Difference]: Finished difference Result 3734 states and 4951 transitions. [2024-11-16 08:33:00,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:33:00,365 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 [2024-11-16 08:33:00,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:00,369 INFO L225 Difference]: With dead ends: 3734 [2024-11-16 08:33:00,369 INFO L226 Difference]: Without dead ends: 2465 [2024-11-16 08:33:00,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:00,371 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 249 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:00,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 399 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:00,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2465 states. [2024-11-16 08:33:00,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2465 to 1911. [2024-11-16 08:33:00,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1911 states, 1910 states have (on average 1.318324607329843) internal successors, (2518), 1910 states have internal predecessors, (2518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:00,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2518 transitions. [2024-11-16 08:33:00,393 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2518 transitions. Word has length 58 [2024-11-16 08:33:00,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:00,394 INFO L471 AbstractCegarLoop]: Abstraction has 1911 states and 2518 transitions. [2024-11-16 08:33:00,394 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) [2024-11-16 08:33:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2518 transitions. [2024-11-16 08:33:00,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-16 08:33:00,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:00,397 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] [2024-11-16 08:33:00,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 08:33:00,397 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:33:00,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:00,398 INFO L85 PathProgramCache]: Analyzing trace with hash 225394917, now seen corresponding path program 1 times [2024-11-16 08:33:00,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:00,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124532122] [2024-11-16 08:33:00,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:00,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:00,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:00,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124532122] [2024-11-16 08:33:00,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124532122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:00,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:00,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:00,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010466811] [2024-11-16 08:33:00,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:00,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:00,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:00,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:00,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:00,550 INFO L87 Difference]: Start difference. First operand 1911 states and 2518 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) [2024-11-16 08:33:00,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:00,630 INFO L93 Difference]: Finished difference Result 4451 states and 6005 transitions. [2024-11-16 08:33:00,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:33:00,630 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 [2024-11-16 08:33:00,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:00,636 INFO L225 Difference]: With dead ends: 4451 [2024-11-16 08:33:00,636 INFO L226 Difference]: Without dead ends: 3279 [2024-11-16 08:33:00,639 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 [2024-11-16 08:33:00,639 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 1088 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1088 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:00,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1088 Valid, 702 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:00,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2024-11-16 08:33:00,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 2879. [2024-11-16 08:33:00,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2879 states, 2878 states have (on average 1.3161917998610146) internal successors, (3788), 2878 states have internal predecessors, (3788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:00,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 3788 transitions. [2024-11-16 08:33:00,690 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 3788 transitions. Word has length 68 [2024-11-16 08:33:00,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:00,690 INFO L471 AbstractCegarLoop]: Abstraction has 2879 states and 3788 transitions. [2024-11-16 08:33:00,690 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) [2024-11-16 08:33:00,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3788 transitions. [2024-11-16 08:33:00,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-16 08:33:00,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:00,696 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] [2024-11-16 08:33:00,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 08:33:00,696 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)] === [2024-11-16 08:33:00,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:00,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1492063835, now seen corresponding path program 1 times [2024-11-16 08:33:00,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:00,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871436300] [2024-11-16 08:33:00,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:00,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:00,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:00,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871436300] [2024-11-16 08:33:00,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871436300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:00,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:00,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:00,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540722030] [2024-11-16 08:33:00,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:00,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:00,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:00,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:00,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:00,838 INFO L87 Difference]: Start difference. First operand 2879 states and 3788 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) [2024-11-16 08:33:00,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:00,911 INFO L93 Difference]: Finished difference Result 2885 states and 3791 transitions. [2024-11-16 08:33:00,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:33:00,912 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 [2024-11-16 08:33:00,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:00,916 INFO L225 Difference]: With dead ends: 2885 [2024-11-16 08:33:00,916 INFO L226 Difference]: Without dead ends: 2406 [2024-11-16 08:33:00,918 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 [2024-11-16 08:33:00,918 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 608 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:00,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 897 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:33:00,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2406 states. [2024-11-16 08:33:00,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2406 to 2402. [2024-11-16 08:33:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2402 states, 2401 states have (on average 1.3186172428154936) internal successors, (3166), 2401 states have internal predecessors, (3166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2402 states and 3166 transitions. [2024-11-16 08:33:00,948 INFO L78 Accepts]: Start accepts. Automaton has 2402 states and 3166 transitions. Word has length 70 [2024-11-16 08:33:00,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:00,949 INFO L471 AbstractCegarLoop]: Abstraction has 2402 states and 3166 transitions. [2024-11-16 08:33:00,949 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) [2024-11-16 08:33:00,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 3166 transitions. [2024-11-16 08:33:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 08:33:00,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:00,953 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] [2024-11-16 08:33:00,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 08:33:00,953 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)] === [2024-11-16 08:33:00,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:00,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1210048675, now seen corresponding path program 1 times [2024-11-16 08:33:00,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:00,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301407483] [2024-11-16 08:33:00,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:00,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:01,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:01,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:01,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301407483] [2024-11-16 08:33:01,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301407483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:01,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:01,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:33:01,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668187414] [2024-11-16 08:33:01,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:01,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:33:01,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:01,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:33:01,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:01,057 INFO L87 Difference]: Start difference. First operand 2402 states and 3166 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) [2024-11-16 08:33:01,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:01,093 INFO L93 Difference]: Finished difference Result 5686 states and 7602 transitions. [2024-11-16 08:33:01,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:33:01,093 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 [2024-11-16 08:33:01,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:01,098 INFO L225 Difference]: With dead ends: 5686 [2024-11-16 08:33:01,099 INFO L226 Difference]: Without dead ends: 3836 [2024-11-16 08:33:01,101 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 [2024-11-16 08:33:01,102 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 123 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 568 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 [2024-11-16 08:33:01,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 568 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:01,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3836 states. [2024-11-16 08:33:01,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3836 to 3626. [2024-11-16 08:33:01,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3626 states, 3625 states have (on average 1.3175172413793104) internal successors, (4776), 3625 states have internal predecessors, (4776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:01,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 3626 states and 4776 transitions. [2024-11-16 08:33:01,145 INFO L78 Accepts]: Start accepts. Automaton has 3626 states and 4776 transitions. Word has length 71 [2024-11-16 08:33:01,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:01,146 INFO L471 AbstractCegarLoop]: Abstraction has 3626 states and 4776 transitions. [2024-11-16 08:33:01,146 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) [2024-11-16 08:33:01,146 INFO L276 IsEmpty]: Start isEmpty. Operand 3626 states and 4776 transitions. [2024-11-16 08:33:01,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 08:33:01,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:01,149 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] [2024-11-16 08:33:01,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 08:33:01,149 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)] === [2024-11-16 08:33:01,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:01,150 INFO L85 PathProgramCache]: Analyzing trace with hash 283290584, now seen corresponding path program 1 times [2024-11-16 08:33:01,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:01,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829670973] [2024-11-16 08:33:01,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:01,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:01,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:01,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829670973] [2024-11-16 08:33:01,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829670973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:01,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:01,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:33:01,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778406005] [2024-11-16 08:33:01,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:01,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:33:01,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:01,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:33:01,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:01,258 INFO L87 Difference]: Start difference. First operand 3626 states and 4776 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) [2024-11-16 08:33:01,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:01,301 INFO L93 Difference]: Finished difference Result 9414 states and 12550 transitions. [2024-11-16 08:33:01,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:33:01,301 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 [2024-11-16 08:33:01,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:01,311 INFO L225 Difference]: With dead ends: 9414 [2024-11-16 08:33:01,311 INFO L226 Difference]: Without dead ends: 6362 [2024-11-16 08:33:01,317 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 [2024-11-16 08:33:01,317 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 112 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:01,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 556 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:01,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6362 states. [2024-11-16 08:33:01,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6362 to 5864. [2024-11-16 08:33:01,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5864 states, 5863 states have (on average 1.3170731707317074) internal successors, (7722), 5863 states have internal predecessors, (7722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:01,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5864 states to 5864 states and 7722 transitions. [2024-11-16 08:33:01,393 INFO L78 Accepts]: Start accepts. Automaton has 5864 states and 7722 transitions. Word has length 72 [2024-11-16 08:33:01,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:01,393 INFO L471 AbstractCegarLoop]: Abstraction has 5864 states and 7722 transitions. [2024-11-16 08:33:01,393 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) [2024-11-16 08:33:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 5864 states and 7722 transitions. [2024-11-16 08:33:01,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-16 08:33:01,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:01,396 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] [2024-11-16 08:33:01,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 08:33:01,396 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)] === [2024-11-16 08:33:01,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:01,397 INFO L85 PathProgramCache]: Analyzing trace with hash 2037736710, now seen corresponding path program 1 times [2024-11-16 08:33:01,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:01,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457617020] [2024-11-16 08:33:01,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:01,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:01,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:01,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457617020] [2024-11-16 08:33:01,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457617020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:01,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:01,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:33:01,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247396898] [2024-11-16 08:33:01,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:01,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:33:01,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:01,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:33:01,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:01,496 INFO L87 Difference]: Start difference. First operand 5864 states and 7722 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) [2024-11-16 08:33:01,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:01,560 INFO L93 Difference]: Finished difference Result 15812 states and 20924 transitions. [2024-11-16 08:33:01,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:33:01,561 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 [2024-11-16 08:33:01,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:01,577 INFO L225 Difference]: With dead ends: 15812 [2024-11-16 08:33:01,577 INFO L226 Difference]: Without dead ends: 10522 [2024-11-16 08:33:01,586 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 [2024-11-16 08:33:01,587 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 99 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:01,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 540 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:01,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10522 states. [2024-11-16 08:33:01,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10522 to 9688. [2024-11-16 08:33:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9688 states, 9687 states have (on average 1.309177247857954) internal successors, (12682), 9687 states have internal predecessors, (12682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:01,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9688 states to 9688 states and 12682 transitions. [2024-11-16 08:33:01,702 INFO L78 Accepts]: Start accepts. Automaton has 9688 states and 12682 transitions. Word has length 74 [2024-11-16 08:33:01,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:01,702 INFO L471 AbstractCegarLoop]: Abstraction has 9688 states and 12682 transitions. [2024-11-16 08:33:01,702 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) [2024-11-16 08:33:01,702 INFO L276 IsEmpty]: Start isEmpty. Operand 9688 states and 12682 transitions. [2024-11-16 08:33:01,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-16 08:33:01,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:01,705 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] [2024-11-16 08:33:01,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 08:33:01,705 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)] === [2024-11-16 08:33:01,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:01,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1837320390, now seen corresponding path program 1 times [2024-11-16 08:33:01,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:01,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405950129] [2024-11-16 08:33:01,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:01,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:01,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:01,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405950129] [2024-11-16 08:33:01,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405950129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:01,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:01,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:33:01,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415827851] [2024-11-16 08:33:01,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:01,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:33:01,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:01,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:33:01,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:33:01,972 INFO L87 Difference]: Start difference. First operand 9688 states and 12682 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) [2024-11-16 08:33:02,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:02,035 INFO L93 Difference]: Finished difference Result 10906 states and 14203 transitions. [2024-11-16 08:33:02,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:33:02,035 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 [2024-11-16 08:33:02,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:02,053 INFO L225 Difference]: With dead ends: 10906 [2024-11-16 08:33:02,054 INFO L226 Difference]: Without dead ends: 10904 [2024-11-16 08:33:02,058 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 [2024-11-16 08:33:02,059 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 0 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:02,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1309 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:02,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10904 states. [2024-11-16 08:33:02,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10904 to 10904. [2024-11-16 08:33:02,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10904 states, 10903 states have (on average 1.2746950380629185) internal successors, (13898), 10903 states have internal predecessors, (13898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:02,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10904 states to 10904 states and 13898 transitions. [2024-11-16 08:33:02,184 INFO L78 Accepts]: Start accepts. Automaton has 10904 states and 13898 transitions. Word has length 76 [2024-11-16 08:33:02,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:02,184 INFO L471 AbstractCegarLoop]: Abstraction has 10904 states and 13898 transitions. [2024-11-16 08:33:02,185 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) [2024-11-16 08:33:02,185 INFO L276 IsEmpty]: Start isEmpty. Operand 10904 states and 13898 transitions. [2024-11-16 08:33:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-16 08:33:02,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:02,187 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] [2024-11-16 08:33:02,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 08:33:02,188 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)] === [2024-11-16 08:33:02,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:02,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1409010987, now seen corresponding path program 1 times [2024-11-16 08:33:02,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:02,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050441862] [2024-11-16 08:33:02,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:02,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:02,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:02,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:02,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050441862] [2024-11-16 08:33:02,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050441862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:02,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:02,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:33:02,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88284655] [2024-11-16 08:33:02,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:02,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:33:02,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:02,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:33:02,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:02,241 INFO L87 Difference]: Start difference. First operand 10904 states and 13898 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) [2024-11-16 08:33:02,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:02,320 INFO L93 Difference]: Finished difference Result 26272 states and 33504 transitions. [2024-11-16 08:33:02,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:33:02,320 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 [2024-11-16 08:33:02,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:02,346 INFO L225 Difference]: With dead ends: 26272 [2024-11-16 08:33:02,347 INFO L226 Difference]: Without dead ends: 15942 [2024-11-16 08:33:02,363 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 [2024-11-16 08:33:02,364 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 197 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:02,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 411 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:02,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15942 states. [2024-11-16 08:33:02,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15942 to 15940. [2024-11-16 08:33:02,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15940 states, 15939 states have (on average 1.261685174728653) internal successors, (20110), 15939 states have internal predecessors, (20110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15940 states to 15940 states and 20110 transitions. [2024-11-16 08:33:02,605 INFO L78 Accepts]: Start accepts. Automaton has 15940 states and 20110 transitions. Word has length 77 [2024-11-16 08:33:02,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:02,605 INFO L471 AbstractCegarLoop]: Abstraction has 15940 states and 20110 transitions. [2024-11-16 08:33:02,605 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) [2024-11-16 08:33:02,605 INFO L276 IsEmpty]: Start isEmpty. Operand 15940 states and 20110 transitions. [2024-11-16 08:33:02,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-16 08:33:02,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:02,608 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] [2024-11-16 08:33:02,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 08:33:02,609 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)] === [2024-11-16 08:33:02,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:02,609 INFO L85 PathProgramCache]: Analyzing trace with hash -703654945, now seen corresponding path program 1 times [2024-11-16 08:33:02,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:02,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446608944] [2024-11-16 08:33:02,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:02,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:02,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:02,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446608944] [2024-11-16 08:33:02,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446608944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:02,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:02,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:02,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58338546] [2024-11-16 08:33:02,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:02,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:02,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:02,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:02,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:02,712 INFO L87 Difference]: Start difference. First operand 15940 states and 20110 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) [2024-11-16 08:33:02,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:02,830 INFO L93 Difference]: Finished difference Result 23310 states and 29542 transitions. [2024-11-16 08:33:02,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:33:02,830 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 [2024-11-16 08:33:02,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:02,857 INFO L225 Difference]: With dead ends: 23310 [2024-11-16 08:33:02,857 INFO L226 Difference]: Without dead ends: 19390 [2024-11-16 08:33:02,866 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 [2024-11-16 08:33:02,867 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 651 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:02,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 851 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:33:02,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19390 states. [2024-11-16 08:33:03,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19390 to 18058. [2024-11-16 08:33:03,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18058 states, 18057 states have (on average 1.2576840006645622) internal successors, (22710), 18057 states have internal predecessors, (22710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18058 states to 18058 states and 22710 transitions. [2024-11-16 08:33:03,183 INFO L78 Accepts]: Start accepts. Automaton has 18058 states and 22710 transitions. Word has length 77 [2024-11-16 08:33:03,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:03,184 INFO L471 AbstractCegarLoop]: Abstraction has 18058 states and 22710 transitions. [2024-11-16 08:33:03,184 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) [2024-11-16 08:33:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 18058 states and 22710 transitions. [2024-11-16 08:33:03,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-16 08:33:03,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:03,194 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] [2024-11-16 08:33:03,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 08:33:03,194 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)] === [2024-11-16 08:33:03,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:03,195 INFO L85 PathProgramCache]: Analyzing trace with hash -2064113657, now seen corresponding path program 1 times [2024-11-16 08:33:03,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:03,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939512193] [2024-11-16 08:33:03,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:03,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:03,574 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-16 08:33:03,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:03,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939512193] [2024-11-16 08:33:03,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939512193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:03,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:03,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:33:03,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291296177] [2024-11-16 08:33:03,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:03,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:33:03,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:03,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:33:03,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:33:03,580 INFO L87 Difference]: Start difference. First operand 18058 states and 22710 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) [2024-11-16 08:33:04,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:04,136 INFO L93 Difference]: Finished difference Result 37641 states and 47224 transitions. [2024-11-16 08:33:04,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:33:04,136 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 [2024-11-16 08:33:04,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:04,178 INFO L225 Difference]: With dead ends: 37641 [2024-11-16 08:33:04,179 INFO L226 Difference]: Without dead ends: 28813 [2024-11-16 08:33:04,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:33:04,198 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1214 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:04,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1214 Valid, 957 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:33:04,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28813 states. [2024-11-16 08:33:04,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28813 to 17992. [2024-11-16 08:33:04,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17992 states, 17991 states have (on average 1.2579623144905787) internal successors, (22632), 17991 states have internal predecessors, (22632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17992 states to 17992 states and 22632 transitions. [2024-11-16 08:33:04,577 INFO L78 Accepts]: Start accepts. Automaton has 17992 states and 22632 transitions. Word has length 97 [2024-11-16 08:33:04,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:04,578 INFO L471 AbstractCegarLoop]: Abstraction has 17992 states and 22632 transitions. [2024-11-16 08:33:04,578 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) [2024-11-16 08:33:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 17992 states and 22632 transitions. [2024-11-16 08:33:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-16 08:33:04,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:04,586 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] [2024-11-16 08:33:04,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-16 08:33:04,587 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)] === [2024-11-16 08:33:04,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:04,587 INFO L85 PathProgramCache]: Analyzing trace with hash 849858224, now seen corresponding path program 1 times [2024-11-16 08:33:04,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:04,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353886308] [2024-11-16 08:33:04,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:04,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:05,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:05,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353886308] [2024-11-16 08:33:05,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353886308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:33:05,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36799819] [2024-11-16 08:33:05,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:05,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:05,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:33:05,010 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) [2024-11-16 08:33:05,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 08:33:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:05,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-16 08:33:05,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:33:05,901 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:05,901 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:33:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:06,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36799819] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:33:06,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:33:06,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 29 [2024-11-16 08:33:06,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062173820] [2024-11-16 08:33:06,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:33:06,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-16 08:33:06,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:06,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-16 08:33:06,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=691, Unknown=0, NotChecked=0, Total=812 [2024-11-16 08:33:06,762 INFO L87 Difference]: Start difference. First operand 17992 states and 22632 transitions. Second operand has 29 states, 29 states have (on average 9.586206896551724) 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) [2024-11-16 08:33:29,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:29,512 INFO L93 Difference]: Finished difference Result 145120 states and 183010 transitions. [2024-11-16 08:33:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 451 states. [2024-11-16 08:33:29,513 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 9.586206896551724) 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 97 [2024-11-16 08:33:29,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:29,739 INFO L225 Difference]: With dead ends: 145120 [2024-11-16 08:33:29,739 INFO L226 Difference]: Without dead ends: 127636 [2024-11-16 08:33:29,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 476 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104063 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=19765, Invalid=208241, Unknown=0, NotChecked=0, Total=228006 [2024-11-16 08:33:29,798 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 11192 mSDsluCounter, 6620 mSDsCounter, 0 mSdLazyCounter, 8617 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11192 SdHoareTripleChecker+Valid, 7245 SdHoareTripleChecker+Invalid, 8762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 8617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:29,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11192 Valid, 7245 Invalid, 8762 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [145 Valid, 8617 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-16 08:33:29,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127636 states. [2024-11-16 08:33:31,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127636 to 82721. [2024-11-16 08:33:31,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82721 states, 82720 states have (on average 1.2559356866537719) internal successors, (103891), 82720 states have internal predecessors, (103891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82721 states to 82721 states and 103891 transitions. [2024-11-16 08:33:31,304 INFO L78 Accepts]: Start accepts. Automaton has 82721 states and 103891 transitions. Word has length 97 [2024-11-16 08:33:31,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:31,304 INFO L471 AbstractCegarLoop]: Abstraction has 82721 states and 103891 transitions. [2024-11-16 08:33:31,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.586206896551724) 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) [2024-11-16 08:33:31,305 INFO L276 IsEmpty]: Start isEmpty. Operand 82721 states and 103891 transitions. [2024-11-16 08:33:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-16 08:33:31,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:31,316 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] [2024-11-16 08:33:31,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 08:33:31,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:31,521 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)] === [2024-11-16 08:33:31,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:31,522 INFO L85 PathProgramCache]: Analyzing trace with hash 136587848, now seen corresponding path program 1 times [2024-11-16 08:33:31,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:31,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613507769] [2024-11-16 08:33:31,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:31,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:31,836 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:31,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:31,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613507769] [2024-11-16 08:33:31,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613507769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:31,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:31,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:31,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142659722] [2024-11-16 08:33:31,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:31,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:31,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:31,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:31,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:31,838 INFO L87 Difference]: Start difference. First operand 82721 states and 103891 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) [2024-11-16 08:33:32,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:32,488 INFO L93 Difference]: Finished difference Result 168454 states and 211343 transitions. [2024-11-16 08:33:32,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:33:32,489 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 [2024-11-16 08:33:32,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:32,775 INFO L225 Difference]: With dead ends: 168454 [2024-11-16 08:33:32,776 INFO L226 Difference]: Without dead ends: 86309 [2024-11-16 08:33:32,813 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 [2024-11-16 08:33:32,818 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 500 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:32,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 466 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:33:32,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86309 states. [2024-11-16 08:33:33,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86309 to 80791. [2024-11-16 08:33:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80791 states, 80790 states have (on average 1.237913108057928) internal successors, (100011), 80790 states have internal predecessors, (100011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:34,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80791 states to 80791 states and 100011 transitions. [2024-11-16 08:33:34,021 INFO L78 Accepts]: Start accepts. Automaton has 80791 states and 100011 transitions. Word has length 99 [2024-11-16 08:33:34,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:34,022 INFO L471 AbstractCegarLoop]: Abstraction has 80791 states and 100011 transitions. [2024-11-16 08:33:34,022 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) [2024-11-16 08:33:34,022 INFO L276 IsEmpty]: Start isEmpty. Operand 80791 states and 100011 transitions. [2024-11-16 08:33:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-16 08:33:34,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:34,029 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] [2024-11-16 08:33:34,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-16 08:33:34,029 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)] === [2024-11-16 08:33:34,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:34,030 INFO L85 PathProgramCache]: Analyzing trace with hash 554173657, now seen corresponding path program 1 times [2024-11-16 08:33:34,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:34,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820747314] [2024-11-16 08:33:34,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:34,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:34,139 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:34,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:34,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820747314] [2024-11-16 08:33:34,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820747314] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:33:34,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223608312] [2024-11-16 08:33:34,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:34,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:34,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:33:34,142 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) [2024-11-16 08:33:34,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 08:33:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:34,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 08:33:34,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:33:34,956 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:34,956 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:33:35,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:35,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223608312] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:33:35,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:33:35,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-16 08:33:35,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109536564] [2024-11-16 08:33:35,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:33:35,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 08:33:35,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:35,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 08:33:35,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-16 08:33:35,130 INFO L87 Difference]: Start difference. First operand 80791 states and 100011 transitions. Second operand has 14 states, 14 states have (on average 18.785714285714285) internal successors, (263), 14 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:35,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:35,862 INFO L93 Difference]: Finished difference Result 163652 states and 202240 transitions. [2024-11-16 08:33:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:33:35,863 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 18.785714285714285) internal successors, (263), 14 states have internal predecessors, (263), 0 states have call successors, (0), 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 [2024-11-16 08:33:35,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:36,150 INFO L225 Difference]: With dead ends: 163652 [2024-11-16 08:33:36,150 INFO L226 Difference]: Without dead ends: 83357 [2024-11-16 08:33:36,191 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 [2024-11-16 08:33:36,192 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 2367 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2367 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:36,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2367 Valid, 900 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:33:36,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83357 states. [2024-11-16 08:33:37,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83357 to 78927. [2024-11-16 08:33:37,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78927 states, 78926 states have (on average 1.2119580366419178) internal successors, (95655), 78926 states have internal predecessors, (95655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78927 states to 78927 states and 95655 transitions. [2024-11-16 08:33:37,433 INFO L78 Accepts]: Start accepts. Automaton has 78927 states and 95655 transitions. Word has length 99 [2024-11-16 08:33:37,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:37,433 INFO L471 AbstractCegarLoop]: Abstraction has 78927 states and 95655 transitions. [2024-11-16 08:33:37,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.785714285714285) internal successors, (263), 14 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:37,434 INFO L276 IsEmpty]: Start isEmpty. Operand 78927 states and 95655 transitions. [2024-11-16 08:33:37,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-16 08:33:37,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:37,442 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] [2024-11-16 08:33:37,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 08:33:37,643 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 [2024-11-16 08:33:37,643 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)] === [2024-11-16 08:33:37,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:37,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1177230171, now seen corresponding path program 1 times [2024-11-16 08:33:37,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:37,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905735069] [2024-11-16 08:33:37,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:37,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:37,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:37,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905735069] [2024-11-16 08:33:37,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905735069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:37,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:37,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:37,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799063116] [2024-11-16 08:33:37,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:37,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:37,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:37,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:37,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:37,774 INFO L87 Difference]: Start difference. First operand 78927 states and 95655 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) [2024-11-16 08:33:38,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:38,114 INFO L93 Difference]: Finished difference Result 101635 states and 123539 transitions. [2024-11-16 08:33:38,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:33:38,115 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 [2024-11-16 08:33:38,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:38,560 INFO L225 Difference]: With dead ends: 101635 [2024-11-16 08:33:38,561 INFO L226 Difference]: Without dead ends: 89739 [2024-11-16 08:33:38,583 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 [2024-11-16 08:33:38,584 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 584 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:38,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 782 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:33:38,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89739 states. [2024-11-16 08:33:39,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89739 to 87227. [2024-11-16 08:33:39,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87227 states, 87226 states have (on average 1.2082979845458923) internal successors, (105395), 87226 states have internal predecessors, (105395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:39,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87227 states to 87227 states and 105395 transitions. [2024-11-16 08:33:39,633 INFO L78 Accepts]: Start accepts. Automaton has 87227 states and 105395 transitions. Word has length 103 [2024-11-16 08:33:39,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:39,634 INFO L471 AbstractCegarLoop]: Abstraction has 87227 states and 105395 transitions. [2024-11-16 08:33:39,634 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) [2024-11-16 08:33:39,634 INFO L276 IsEmpty]: Start isEmpty. Operand 87227 states and 105395 transitions. [2024-11-16 08:33:39,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-16 08:33:39,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:39,643 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] [2024-11-16 08:33:39,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-16 08:33:39,644 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)] === [2024-11-16 08:33:39,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:39,644 INFO L85 PathProgramCache]: Analyzing trace with hash 606134995, now seen corresponding path program 1 times [2024-11-16 08:33:39,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:39,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644409811] [2024-11-16 08:33:39,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:39,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 08:33:40,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:40,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644409811] [2024-11-16 08:33:40,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644409811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:40,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:40,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:33:40,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787141555] [2024-11-16 08:33:40,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:40,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:33:40,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:40,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:33:40,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:33:40,133 INFO L87 Difference]: Start difference. First operand 87227 states and 105395 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:40,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:40,496 INFO L93 Difference]: Finished difference Result 126561 states and 153757 transitions. [2024-11-16 08:33:40,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:33:40,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-11-16 08:33:40,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:40,632 INFO L225 Difference]: With dead ends: 126561 [2024-11-16 08:33:40,633 INFO L226 Difference]: Without dead ends: 101476 [2024-11-16 08:33:40,676 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 [2024-11-16 08:33:40,677 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 585 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:40,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 763 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:40,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101476 states. [2024-11-16 08:33:41,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101476 to 98964. [2024-11-16 08:33:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98964 states, 98963 states have (on average 1.2023382476279014) internal successors, (118987), 98963 states have internal predecessors, (118987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:42,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98964 states to 98964 states and 118987 transitions. [2024-11-16 08:33:42,059 INFO L78 Accepts]: Start accepts. Automaton has 98964 states and 118987 transitions. Word has length 103 [2024-11-16 08:33:42,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:42,060 INFO L471 AbstractCegarLoop]: Abstraction has 98964 states and 118987 transitions. [2024-11-16 08:33:42,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:42,060 INFO L276 IsEmpty]: Start isEmpty. Operand 98964 states and 118987 transitions. [2024-11-16 08:33:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-16 08:33:42,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:42,069 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] [2024-11-16 08:33:42,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-16 08:33:42,070 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)] === [2024-11-16 08:33:42,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:42,070 INFO L85 PathProgramCache]: Analyzing trace with hash 405027267, now seen corresponding path program 1 times [2024-11-16 08:33:42,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:42,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117108114] [2024-11-16 08:33:42,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:42,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:42,661 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-16 08:33:42,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:42,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117108114] [2024-11-16 08:33:42,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117108114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:42,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:42,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:33:42,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578129048] [2024-11-16 08:33:42,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:42,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:33:42,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:42,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:33:42,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:33:42,665 INFO L87 Difference]: Start difference. First operand 98964 states and 118987 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:43,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:43,284 INFO L93 Difference]: Finished difference Result 144312 states and 172881 transitions. [2024-11-16 08:33:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:33:43,285 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2024-11-16 08:33:43,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:43,435 INFO L225 Difference]: With dead ends: 144312 [2024-11-16 08:33:43,435 INFO L226 Difference]: Without dead ends: 127398 [2024-11-16 08:33:43,478 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 [2024-11-16 08:33:43,479 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 1167 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:43,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 513 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:33:43,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127398 states. [2024-11-16 08:33:44,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127398 to 99003. [2024-11-16 08:33:44,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99003 states, 99002 states have (on average 1.2023090442617321) internal successors, (119031), 99002 states have internal predecessors, (119031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:45,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99003 states to 99003 states and 119031 transitions. [2024-11-16 08:33:45,269 INFO L78 Accepts]: Start accepts. Automaton has 99003 states and 119031 transitions. Word has length 107 [2024-11-16 08:33:45,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:45,269 INFO L471 AbstractCegarLoop]: Abstraction has 99003 states and 119031 transitions. [2024-11-16 08:33:45,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand 99003 states and 119031 transitions. [2024-11-16 08:33:45,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-16 08:33:45,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:45,280 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] [2024-11-16 08:33:45,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-16 08:33:45,281 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)] === [2024-11-16 08:33:45,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:45,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1925124852, now seen corresponding path program 1 times [2024-11-16 08:33:45,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:45,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197220269] [2024-11-16 08:33:45,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:45,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:45,367 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-16 08:33:45,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:45,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197220269] [2024-11-16 08:33:45,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197220269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:45,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:45,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:33:45,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728674856] [2024-11-16 08:33:45,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:45,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:33:45,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:45,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:33:45,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:45,370 INFO L87 Difference]: Start difference. First operand 99003 states and 119031 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:45,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:45,892 INFO L93 Difference]: Finished difference Result 185563 states and 223269 transitions. [2024-11-16 08:33:45,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:33:45,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 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 [2024-11-16 08:33:45,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:46,012 INFO L225 Difference]: With dead ends: 185563 [2024-11-16 08:33:46,013 INFO L226 Difference]: Without dead ends: 87163 [2024-11-16 08:33:46,082 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 [2024-11-16 08:33:46,083 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 188 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:46,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 245 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:33:46,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87163 states. [2024-11-16 08:33:47,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87163 to 85329. [2024-11-16 08:33:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85329 states, 85328 states have (on average 1.1839841552597037) internal successors, (101027), 85328 states have internal predecessors, (101027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:47,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85329 states to 85329 states and 101027 transitions. [2024-11-16 08:33:47,431 INFO L78 Accepts]: Start accepts. Automaton has 85329 states and 101027 transitions. Word has length 108 [2024-11-16 08:33:47,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:47,432 INFO L471 AbstractCegarLoop]: Abstraction has 85329 states and 101027 transitions. [2024-11-16 08:33:47,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand 85329 states and 101027 transitions. [2024-11-16 08:33:47,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-16 08:33:47,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:47,439 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:47,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-16 08:33:47,439 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)] === [2024-11-16 08:33:47,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:47,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1539271576, now seen corresponding path program 1 times [2024-11-16 08:33:47,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:47,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506117446] [2024-11-16 08:33:47,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:47,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:47,538 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:47,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:47,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506117446] [2024-11-16 08:33:47,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506117446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:33:47,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921890881] [2024-11-16 08:33:47,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:47,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:47,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:33:47,541 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) [2024-11-16 08:33:47,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 08:33:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:47,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 08:33:47,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:33:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:48,037 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:33:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:48,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921890881] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:33:48,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:33:48,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-16 08:33:48,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989477893] [2024-11-16 08:33:48,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:33:48,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 08:33:48,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:48,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 08:33:48,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-16 08:33:48,176 INFO L87 Difference]: Start difference. First operand 85329 states and 101027 transitions. Second operand has 14 states, 14 states have (on average 21.357142857142858) internal successors, (299), 14 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:49,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:49,286 INFO L93 Difference]: Finished difference Result 192198 states and 227176 transitions. [2024-11-16 08:33:49,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:33:49,287 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 21.357142857142858) internal successors, (299), 14 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-16 08:33:49,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:49,421 INFO L225 Difference]: With dead ends: 192198 [2024-11-16 08:33:49,422 INFO L226 Difference]: Without dead ends: 107478 [2024-11-16 08:33:49,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 210 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:33:49,475 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 1741 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:49,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 1154 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:33:49,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107478 states. [2024-11-16 08:33:50,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107478 to 93493. [2024-11-16 08:33:50,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93493 states, 93492 states have (on average 1.1822294955718136) internal successors, (110529), 93492 states have internal predecessors, (110529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:50,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93493 states to 93493 states and 110529 transitions. [2024-11-16 08:33:50,746 INFO L78 Accepts]: Start accepts. Automaton has 93493 states and 110529 transitions. Word has length 109 [2024-11-16 08:33:50,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:50,746 INFO L471 AbstractCegarLoop]: Abstraction has 93493 states and 110529 transitions. [2024-11-16 08:33:50,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 21.357142857142858) internal successors, (299), 14 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 93493 states and 110529 transitions. [2024-11-16 08:33:50,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-16 08:33:50,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:50,754 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:50,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 08:33:50,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:50,955 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)] === [2024-11-16 08:33:50,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:50,956 INFO L85 PathProgramCache]: Analyzing trace with hash -933253063, now seen corresponding path program 1 times [2024-11-16 08:33:50,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:50,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380668720] [2024-11-16 08:33:50,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:50,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-16 08:33:51,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:51,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380668720] [2024-11-16 08:33:51,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380668720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:51,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:51,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:33:51,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112477117] [2024-11-16 08:33:51,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:51,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:33:51,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:51,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:33:51,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:33:51,282 INFO L87 Difference]: Start difference. First operand 93493 states and 110529 transitions. Second operand has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:33:52,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:52,534 INFO L93 Difference]: Finished difference Result 162347 states and 191636 transitions. [2024-11-16 08:33:52,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:33:52,535 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-16 08:33:52,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:52,665 INFO L225 Difference]: With dead ends: 162347 [2024-11-16 08:33:52,666 INFO L226 Difference]: Without dead ends: 99395 [2024-11-16 08:33:52,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:33:52,717 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1128 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:52,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 988 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:33:52,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99395 states.