./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d7923672572112c1e23e765d37ba0d9265e37954a51bbbf4393296aaafd9ce3e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 08:34:25,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:34:25,199 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:34:25,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:34:25,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:34:25,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:34:25,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:34:25,229 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:34:25,229 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:34:25,231 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:34:25,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:34:25,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:34:25,232 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:34:25,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:34:25,234 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:34:25,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:34:25,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:34:25,235 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:34:25,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:34:25,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:34:25,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:34:25,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:34:25,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:34:25,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:34:25,242 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:34:25,242 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:34:25,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:34:25,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:34:25,242 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:34:25,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:34:25,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:34:25,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:34:25,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:34:25,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:34:25,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:34:25,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:34:25,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:34:25,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:34:25,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:34:25,246 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:34:25,246 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:34:25,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:34:25,247 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7923672572112c1e23e765d37ba0d9265e37954a51bbbf4393296aaafd9ce3e [2024-11-16 08:34:25,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:34:25,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:34:25,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:34:25,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:34:25,491 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:34:25,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-16 08:34:26,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:34:27,089 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:34:27,090 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-16 08:34:27,108 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50f69eb35/f02df8a8c7aa4c93a37a59167c9c284b/FLAG7e66e3882 [2024-11-16 08:34:27,120 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50f69eb35/f02df8a8c7aa4c93a37a59167c9c284b [2024-11-16 08:34:27,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:34:27,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:34:27,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:34:27,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:34:27,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:34:27,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:27,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a4f9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27, skipping insertion in model container [2024-11-16 08:34:27,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:27,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:34:27,443 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[9988,10001] [2024-11-16 08:34:27,527 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24517,24530] [2024-11-16 08:34:27,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:34:27,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:34:27,787 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[9988,10001] [2024-11-16 08:34:27,824 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24517,24530] [2024-11-16 08:34:27,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:34:27,944 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:34:27,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27 WrapperNode [2024-11-16 08:34:27,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:34:27,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:34:27,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:34:27,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:34:27,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:27,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:28,077 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3648 [2024-11-16 08:34:28,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:34:28,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:34:28,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:34:28,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:34:28,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:28,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:28,097 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:28,132 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 08:34:28,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:28,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:28,156 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:28,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:28,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:28,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:28,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:34:28,181 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:34:28,182 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:34:28,182 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:34:28,182 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27" (1/1) ... [2024-11-16 08:34:28,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:34:28,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:34:28,214 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 08:34:28,219 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 08:34:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:34:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:34:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:34:28,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:34:28,418 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:34:28,420 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:34:30,050 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3999: havoc main_~node4__m4~21#1; [2024-11-16 08:34:30,051 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2546: havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~21#1; [2024-11-16 08:34:30,051 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1688: havoc main_~node4__m4~8#1; [2024-11-16 08:34:30,051 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5718: havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~58#1;havoc main_~node4____CPAchecker_TMP_0~23#1; [2024-11-16 08:34:30,051 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4661: havoc main_~node3____CPAchecker_TMP_0~5#1; [2024-11-16 08:34:30,051 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L434: havoc main_~node1__m1~2#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-16 08:34:30,052 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1293: havoc main_~check__tmp~8#1;havoc main_~node4__m4~5#1; [2024-11-16 08:34:30,052 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2218: havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~17#1; [2024-11-16 08:34:30,052 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3011: havoc main_~node4____CPAchecker_TMP_1~7#1; [2024-11-16 08:34:30,052 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1756: havoc main_~check__tmp~13#1; [2024-11-16 08:34:30,052 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3276: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-16 08:34:30,054 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4994: havoc main_~node4__m4~27#1;havoc main_~node3____CPAchecker_TMP_1~5#1; [2024-11-16 08:34:30,054 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3739: havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~35#1; [2024-11-16 08:34:30,054 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L371: havoc main_~node3__m3~1#1; [2024-11-16 08:34:30,054 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4401: havoc main_~node4____CPAchecker_TMP_1~15#1; [2024-11-16 08:34:30,054 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5922: havoc main_~node4____CPAchecker_TMP_1~24#1; [2024-11-16 08:34:30,054 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5394: havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~54#1;havoc main_~node4____CPAchecker_TMP_0~21#1; [2024-11-16 08:34:30,055 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-16 08:34:30,055 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5196: havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~52#1;havoc main_~node4____CPAchecker_TMP_0~20#1; [2024-11-16 08:34:30,055 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L770: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-16 08:34:30,055 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2687: havoc main_~node4____CPAchecker_TMP_1~5#1; [2024-11-16 08:34:30,055 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5594: havoc main_~node4____CPAchecker_TMP_1~22#1; [2024-11-16 08:34:30,055 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4868: havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~48#1;havoc main_~node4____CPAchecker_TMP_0~18#1; [2024-11-16 08:34:30,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4670: havoc main_~node4__m4~25#1; [2024-11-16 08:34:30,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3415: havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~31#1; [2024-11-16 08:34:30,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3217: havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~29#1; [2024-11-16 08:34:30,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4077: havoc main_~node4____CPAchecker_TMP_1~13#1; [2024-11-16 08:34:30,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2426: havoc main_~node4__m4~12#1; [2024-11-16 08:34:30,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2889: havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~25#1; [2024-11-16 08:34:30,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4607: havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~45#1; [2024-11-16 08:34:30,057 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3286: havoc main_~node3____CPAchecker_TMP_0~3#1; [2024-11-16 08:34:30,057 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2098: havoc main_~node4__m4~10#1; [2024-11-16 08:34:30,057 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4279: havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~41#1; [2024-11-16 08:34:30,057 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5072: havoc main_~node4____CPAchecker_TMP_1~19#1; [2024-11-16 08:34:30,057 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L712: havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-16 08:34:30,057 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3619: havoc main_~node4__m4~19#1;havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-16 08:34:30,057 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1439: havoc main_~node4__m4~6#1; [2024-11-16 08:34:30,057 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5337: havoc main_~node3__m3~10#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-16 08:34:30,057 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5800: havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~59#1; [2024-11-16 08:34:30,057 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L251: havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-16 08:34:30,058 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2300: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~18#1;havoc main_~node4____CPAchecker_TMP_0~3#1; [2024-11-16 08:34:30,058 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821: havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~36#1;havoc main_~node4____CPAchecker_TMP_0~12#1; [2024-11-16 08:34:30,058 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4748: havoc main_~node4____CPAchecker_TMP_1~17#1; [2024-11-16 08:34:30,058 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L388: havoc main_~node4__m4~1#1; [2024-11-16 08:34:30,058 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3493: havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~32#1;havoc main_~node4____CPAchecker_TMP_0~10#1; [2024-11-16 08:34:30,058 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3295: havoc main_~node4__m4~17#1; [2024-11-16 08:34:30,058 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3097: havoc main_~node4__m4~16#1; [2024-11-16 08:34:30,058 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~55#1; [2024-11-16 08:34:30,059 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5278: havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~53#1; [2024-11-16 08:34:30,059 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1182: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~6#1; [2024-11-16 08:34:30,059 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1513: havoc main_~check__tmp~10#1; [2024-11-16 08:34:30,059 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2504: havoc main_~node4____CPAchecker_TMP_1~4#1; [2024-11-16 08:34:30,059 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2769: havoc main_~node4__m4~14#1; [2024-11-16 08:34:30,059 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L457: havoc main_~node2__m2~2#1; [2024-11-16 08:34:30,059 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4487: havoc main_~node4__m4~24#1; [2024-11-16 08:34:30,059 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L986: havoc main_~node4__m4~3#1; [2024-11-16 08:34:30,059 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4950: havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~49#1; [2024-11-16 08:34:30,059 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5347: havoc main_~node3____CPAchecker_TMP_0~6#1; [2024-11-16 08:34:30,060 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2176: havoc main_~node4____CPAchecker_TMP_1~2#1; [2024-11-16 08:34:30,060 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3960: havoc main_~node2__m2~4#1; [2024-11-16 08:34:30,060 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc main_~node3__m3~0#1; [2024-11-16 08:34:30,060 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4159: havoc main_~node4__m4~22#1; [2024-11-16 08:34:30,060 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3697: havoc main_~node4____CPAchecker_TMP_1~11#1; [2024-11-16 08:34:30,060 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2971: havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~26#1;havoc main_~node4____CPAchecker_TMP_0~7#1; [2024-11-16 08:34:30,060 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1584: havoc main_~check__tmp~11#1;havoc main_~node4__m4~7#1; [2024-11-16 08:34:30,060 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5680: havoc main_~node4__m4~31#1;havoc main_~node3____CPAchecker_TMP_1~6#1; [2024-11-16 08:34:30,060 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L330: havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1;havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-16 08:34:30,060 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4361: havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~42#1;havoc main_~node4____CPAchecker_TMP_0~15#1; [2024-11-16 08:34:30,061 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L861: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-16 08:34:30,061 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5882: havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~60#1;havoc main_~node4____CPAchecker_TMP_0~24#1; [2024-11-16 08:34:30,061 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1060: havoc main_~check__tmp~5#1; [2024-11-16 08:34:30,061 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L598: havoc main_~node4____CPAchecker_TMP_0~1#1; [2024-11-16 08:34:30,061 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2382: havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~19#1; [2024-11-16 08:34:30,061 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3373: havoc main_~node4____CPAchecker_TMP_1~9#1; [2024-11-16 08:34:30,062 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3175: havoc main_~node4____CPAchecker_TMP_1~8#1; [2024-11-16 08:34:30,062 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L929: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-16 08:34:30,062 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2647: havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~22#1;havoc main_~node4____CPAchecker_TMP_0~5#1; [2024-11-16 08:34:30,062 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L533: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-16 08:34:30,062 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5554: havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~56#1;havoc main_~node4____CPAchecker_TMP_0~22#1; [2024-11-16 08:34:30,062 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5356: havoc main_~node4__m4~29#1; [2024-11-16 08:34:30,062 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5158: havoc main_~node4__m4~28#1; [2024-11-16 08:34:30,062 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L798: havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-16 08:34:30,062 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3903: havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~37#1; [2024-11-16 08:34:30,062 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3970: havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-16 08:34:30,062 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2847: havoc main_~node4____CPAchecker_TMP_1~6#1; [2024-11-16 08:34:30,063 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1724: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~12#1; [2024-11-16 08:34:30,063 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4565: havoc main_~node4____CPAchecker_TMP_1~16#1; [2024-11-16 08:34:30,063 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L271: havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-16 08:34:30,063 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4037: havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~38#1;havoc main_~node4____CPAchecker_TMP_0~13#1; [2024-11-16 08:34:30,063 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4830: havoc main_~node4__m4~26#1; [2024-11-16 08:34:30,063 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3575: havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~33#1; [2024-11-16 08:34:30,063 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1131: havoc main_~node3__m3~3#1; [2024-11-16 08:34:30,063 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4237: havoc main_~node4____CPAchecker_TMP_1~14#1; [2024-11-16 08:34:30,063 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2058: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~15#1; [2024-11-16 08:34:30,063 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5758: havoc main_~node4____CPAchecker_TMP_1~23#1; [2024-11-16 08:34:30,063 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5032: havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~50#1;havoc main_~node4____CPAchecker_TMP_0~19#1; [2024-11-16 08:34:30,063 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L475: havoc main_~node3__m3~2#1; [2024-11-16 08:34:30,063 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc main_~node3__m3~6#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3053: havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~27#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L280: havoc main_~node4__m4~0#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2262: havoc main_~node4__m4~11#1;havoc main_~node3____CPAchecker_TMP_1~1#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3980: havoc main_~node3__m3~8#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4443: havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~43#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5434: havoc main_~node4____CPAchecker_TMP_1~21#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5236: havoc main_~node4____CPAchecker_TMP_1~20#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: havoc main_~node4__m4~20#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4708: havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~46#1;havoc main_~node4____CPAchecker_TMP_0~17#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1405: havoc main_~node2__m2~3#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5964: havoc main_~__tmp_55~0#1, main_~assert__arg~54#1;havoc main_~check__tmp~61#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4908: havoc main_~node4____CPAchecker_TMP_1~18#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1671: havoc main_~node3__m3~5#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1473: havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~9#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2464: havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~20#1;havoc main_~node4____CPAchecker_TMP_0~4#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3455: havoc main_~node4__m4~18#1; [2024-11-16 08:34:30,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2729: havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~23#1; [2024-11-16 08:34:30,065 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5636: havoc main_~__tmp_51~0#1, main_~assert__arg~50#1;havoc main_~check__tmp~57#1; [2024-11-16 08:34:30,065 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2136: havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~16#1;havoc main_~node4____CPAchecker_TMP_0~2#1; [2024-11-16 08:34:30,065 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1872: havoc main_~check__tmp~14#1;havoc main_~node4__m4~9#1; [2024-11-16 08:34:30,065 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-16 08:34:30,065 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4119: havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~39#1; [2024-11-16 08:34:30,065 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L684: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-16 08:34:30,065 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2600: havoc main_~node3____CPAchecker_TMP_0~2#1; [2024-11-16 08:34:30,065 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3657: havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~34#1;havoc main_~node4____CPAchecker_TMP_0~11#1; [2024-11-16 08:34:30,067 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L354: havoc main_~node2__m2~1#1; [2024-11-16 08:34:30,067 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1148: havoc main_~node4__m4~4#1; [2024-11-16 08:34:30,067 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3990: havoc main_~node3____CPAchecker_TMP_0~4#1; [2024-11-16 08:34:30,068 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2933: havoc main_~node4__m4~15#1;havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-16 08:34:30,068 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4651: havoc main_~node3__m3~9#1; [2024-11-16 08:34:30,068 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5114: havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~51#1; [2024-11-16 08:34:30,068 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2340: havoc main_~node4____CPAchecker_TMP_1~3#1; [2024-11-16 08:34:30,068 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4323: havoc main_~node4__m4~23#1;havoc main_~node3____CPAchecker_TMP_1~4#1; [2024-11-16 08:34:30,068 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2024-11-16 08:34:30,069 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3861: havoc main_~node4____CPAchecker_TMP_1~12#1; [2024-11-16 08:34:30,069 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3333: havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~30#1;havoc main_~node4____CPAchecker_TMP_0~9#1; [2024-11-16 08:34:30,069 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3135: havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~28#1;havoc main_~node4____CPAchecker_TMP_0~8#1; [2024-11-16 08:34:30,069 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5844: havoc main_~node4__m4~32#1; [2024-11-16 08:34:30,069 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L493: havoc main_~node4__m4~2#1; [2024-11-16 08:34:30,069 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L626: havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-16 08:34:30,069 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3533: havoc main_~node4____CPAchecker_TMP_1~10#1; [2024-11-16 08:34:30,069 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2807: havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~24#1;havoc main_~node4____CPAchecker_TMP_0~6#1; [2024-11-16 08:34:30,070 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2609: havoc main_~node4__m4~13#1; [2024-11-16 08:34:30,070 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4525: havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~44#1;havoc main_~node4____CPAchecker_TMP_0~16#1; [2024-11-16 08:34:30,070 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5516: havoc main_~node4__m4~30#1; [2024-11-16 08:34:30,070 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1222: havoc main_~check__tmp~7#1; [2024-11-16 08:34:30,070 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4790: havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~47#1; [2024-11-16 08:34:30,070 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2016: havoc main_~node4____CPAchecker_TMP_1~1#1; [2024-11-16 08:34:30,070 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1422: havoc main_~node3__m3~4#1; [2024-11-16 08:34:30,070 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4197: havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~40#1;havoc main_~node4____CPAchecker_TMP_0~14#1; [2024-11-16 08:34:30,197 INFO L? ?]: Removed 517 outVars from TransFormulas that were not future-live. [2024-11-16 08:34:30,199 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:34:30,234 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:34:30,235 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:34:30,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:34:30 BoogieIcfgContainer [2024-11-16 08:34:30,236 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:34:30,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:34:30,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:34:30,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:34:30,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:34:27" (1/3) ... [2024-11-16 08:34:30,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8502d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:34:30, skipping insertion in model container [2024-11-16 08:34:30,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:27" (2/3) ... [2024-11-16 08:34:30,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8502d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:34:30, skipping insertion in model container [2024-11-16 08:34:30,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:34:30" (3/3) ... [2024-11-16 08:34:30,246 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-16 08:34:30,266 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:34:30,267 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-16 08:34:30,347 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:34:30,353 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;@1c758a19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:34:30,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-16 08:34:30,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 715 states, 712 states have (on average 1.771067415730337) internal successors, (1261), 714 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:30,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-16 08:34:30,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:30,389 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:30,389 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:30,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:30,395 INFO L85 PathProgramCache]: Analyzing trace with hash -412166968, now seen corresponding path program 1 times [2024-11-16 08:34:30,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:30,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368435553] [2024-11-16 08:34:30,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:30,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:30,848 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 08:34:30,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:30,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368435553] [2024-11-16 08:34:30,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368435553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:30,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:30,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:30,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502468450] [2024-11-16 08:34:30,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:30,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:30,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:30,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:30,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:30,883 INFO L87 Difference]: Start difference. First operand has 715 states, 712 states have (on average 1.771067415730337) internal successors, (1261), 714 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:31,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:31,018 INFO L93 Difference]: Finished difference Result 1093 states and 1879 transitions. [2024-11-16 08:34:31,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:31,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-11-16 08:34:31,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:31,045 INFO L225 Difference]: With dead ends: 1093 [2024-11-16 08:34:31,046 INFO L226 Difference]: Without dead ends: 859 [2024-11-16 08:34:31,050 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 08:34:31,055 INFO L432 NwaCegarLoop]: 1257 mSDtfsCounter, 636 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 2093 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:31,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 2093 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:34:31,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-16 08:34:31,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 857. [2024-11-16 08:34:31,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 855 states have (on average 1.3649122807017544) internal successors, (1167), 856 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:31,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1167 transitions. [2024-11-16 08:34:31,158 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1167 transitions. Word has length 62 [2024-11-16 08:34:31,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:31,158 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1167 transitions. [2024-11-16 08:34:31,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1167 transitions. [2024-11-16 08:34:31,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-16 08:34:31,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:31,164 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:31,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 08:34:31,165 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:31,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:31,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1751805369, now seen corresponding path program 1 times [2024-11-16 08:34:31,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:31,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553201475] [2024-11-16 08:34:31,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:31,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:31,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:34:31,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:31,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553201475] [2024-11-16 08:34:31,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553201475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:31,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:31,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:31,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931665815] [2024-11-16 08:34:31,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:31,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:31,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:31,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:31,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:31,328 INFO L87 Difference]: Start difference. First operand 857 states and 1167 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:31,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:31,394 INFO L93 Difference]: Finished difference Result 1452 states and 2040 transitions. [2024-11-16 08:34:31,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:31,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-16 08:34:31,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:31,398 INFO L225 Difference]: With dead ends: 1452 [2024-11-16 08:34:31,398 INFO L226 Difference]: Without dead ends: 1131 [2024-11-16 08:34:31,401 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 08:34:31,403 INFO L432 NwaCegarLoop]: 1033 mSDtfsCounter, 500 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 1673 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:31,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 1673 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:34:31,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2024-11-16 08:34:31,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1127. [2024-11-16 08:34:31,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1125 states have (on average 1.3831111111111112) internal successors, (1556), 1126 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states 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 08:34:31,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1556 transitions. [2024-11-16 08:34:31,440 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1556 transitions. Word has length 63 [2024-11-16 08:34:31,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:31,441 INFO L471 AbstractCegarLoop]: Abstraction has 1127 states and 1556 transitions. [2024-11-16 08:34:31,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:31,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1556 transitions. [2024-11-16 08:34:31,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-16 08:34:31,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:31,444 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:31,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 08:34:31,444 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:31,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:31,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1113850696, now seen corresponding path program 1 times [2024-11-16 08:34:31,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:31,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70349457] [2024-11-16 08:34:31,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:31,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:31,565 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 08:34:31,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:31,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70349457] [2024-11-16 08:34:31,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70349457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:31,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:31,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:31,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161826498] [2024-11-16 08:34:31,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:31,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:31,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:31,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:31,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:31,571 INFO L87 Difference]: Start difference. First operand 1127 states and 1556 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:31,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:31,682 INFO L93 Difference]: Finished difference Result 2183 states and 3037 transitions. [2024-11-16 08:34:31,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:31,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-16 08:34:31,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:31,687 INFO L225 Difference]: With dead ends: 2183 [2024-11-16 08:34:31,687 INFO L226 Difference]: Without dead ends: 1735 [2024-11-16 08:34:31,689 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 08:34:31,690 INFO L432 NwaCegarLoop]: 1046 mSDtfsCounter, 556 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:31,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 1702 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:34:31,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2024-11-16 08:34:31,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1731. [2024-11-16 08:34:31,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1731 states, 1729 states have (on average 1.3678426836321573) internal successors, (2365), 1730 states have internal predecessors, (2365), 0 states have call successors, (0), 0 states 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 08:34:31,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2365 transitions. [2024-11-16 08:34:31,717 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2365 transitions. Word has length 63 [2024-11-16 08:34:31,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:31,717 INFO L471 AbstractCegarLoop]: Abstraction has 1731 states and 2365 transitions. [2024-11-16 08:34:31,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:31,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2365 transitions. [2024-11-16 08:34:31,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-16 08:34:31,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:31,719 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:31,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 08:34:31,720 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:31,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:31,720 INFO L85 PathProgramCache]: Analyzing trace with hash -530869032, now seen corresponding path program 1 times [2024-11-16 08:34:31,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:31,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824850095] [2024-11-16 08:34:31,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:31,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:31,873 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 08:34:31,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:31,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824850095] [2024-11-16 08:34:31,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824850095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:31,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:31,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:34:31,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806508558] [2024-11-16 08:34:31,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:31,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:34:31,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:31,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:34:31,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:34:31,875 INFO L87 Difference]: Start difference. First operand 1731 states and 2365 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:32,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:32,295 INFO L93 Difference]: Finished difference Result 3855 states and 5379 transitions. [2024-11-16 08:34:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:34:32,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-16 08:34:32,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:32,302 INFO L225 Difference]: With dead ends: 3855 [2024-11-16 08:34:32,302 INFO L226 Difference]: Without dead ends: 2348 [2024-11-16 08:34:32,304 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 08:34:32,305 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 2656 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2656 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:32,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2656 Valid, 590 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:34:32,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2348 states. [2024-11-16 08:34:32,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2348 to 2346. [2024-11-16 08:34:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2346 states, 2344 states have (on average 1.3937713310580204) internal successors, (3267), 2345 states have internal predecessors, (3267), 0 states have call successors, (0), 0 states 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 08:34:32,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2346 states and 3267 transitions. [2024-11-16 08:34:32,345 INFO L78 Accepts]: Start accepts. Automaton has 2346 states and 3267 transitions. Word has length 63 [2024-11-16 08:34:32,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:32,346 INFO L471 AbstractCegarLoop]: Abstraction has 2346 states and 3267 transitions. [2024-11-16 08:34:32,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:32,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 3267 transitions. [2024-11-16 08:34:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-16 08:34:32,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:32,349 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:32,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 08:34:32,349 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:32,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:32,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1725794223, now seen corresponding path program 1 times [2024-11-16 08:34:32,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:32,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495575988] [2024-11-16 08:34:32,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:32,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:32,425 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 08:34:32,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:32,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495575988] [2024-11-16 08:34:32,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495575988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:32,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:32,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:32,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884391950] [2024-11-16 08:34:32,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:32,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:32,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:32,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:32,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:32,429 INFO L87 Difference]: Start difference. First operand 2346 states and 3267 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:32,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:32,468 INFO L93 Difference]: Finished difference Result 4866 states and 6845 transitions. [2024-11-16 08:34:32,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:32,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-16 08:34:32,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:32,479 INFO L225 Difference]: With dead ends: 4866 [2024-11-16 08:34:32,479 INFO L226 Difference]: Without dead ends: 3261 [2024-11-16 08:34:32,483 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 08:34:32,485 INFO L432 NwaCegarLoop]: 958 mSDtfsCounter, 584 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:32,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 1503 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:34:32,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3261 states. [2024-11-16 08:34:32,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3261 to 3251. [2024-11-16 08:34:32,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3251 states, 3249 states have (on average 1.376115727916282) internal successors, (4471), 3250 states have internal predecessors, (4471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 4471 transitions. [2024-11-16 08:34:32,581 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 4471 transitions. Word has length 64 [2024-11-16 08:34:32,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:32,582 INFO L471 AbstractCegarLoop]: Abstraction has 3251 states and 4471 transitions. [2024-11-16 08:34:32,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 4471 transitions. [2024-11-16 08:34:32,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 08:34:32,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:32,585 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:32,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 08:34:32,585 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:32,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:32,586 INFO L85 PathProgramCache]: Analyzing trace with hash -222362199, now seen corresponding path program 1 times [2024-11-16 08:34:32,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:32,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835758718] [2024-11-16 08:34:32,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:32,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:32,692 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 08:34:32,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:32,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835758718] [2024-11-16 08:34:32,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835758718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:32,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:32,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:34:32,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012152847] [2024-11-16 08:34:32,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:32,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:34:32,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:32,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:34:32,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:34:32,694 INFO L87 Difference]: Start difference. First operand 3251 states and 4471 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:33,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:33,037 INFO L93 Difference]: Finished difference Result 7036 states and 9759 transitions. [2024-11-16 08:34:33,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:34:33,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-16 08:34:33,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:33,048 INFO L225 Difference]: With dead ends: 7036 [2024-11-16 08:34:33,048 INFO L226 Difference]: Without dead ends: 4119 [2024-11-16 08:34:33,052 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 08:34:33,055 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 2326 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:33,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2326 Valid, 538 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:34:33,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4119 states. [2024-11-16 08:34:33,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4119 to 4103. [2024-11-16 08:34:33,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4103 states, 4101 states have (on average 1.3777127529870763) internal successors, (5650), 4102 states have internal predecessors, (5650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 5650 transitions. [2024-11-16 08:34:33,123 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 5650 transitions. Word has length 65 [2024-11-16 08:34:33,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:33,124 INFO L471 AbstractCegarLoop]: Abstraction has 4103 states and 5650 transitions. [2024-11-16 08:34:33,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:33,124 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 5650 transitions. [2024-11-16 08:34:33,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-16 08:34:33,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:33,128 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:33,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 08:34:33,128 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:33,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:33,128 INFO L85 PathProgramCache]: Analyzing trace with hash -328753117, now seen corresponding path program 1 times [2024-11-16 08:34:33,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:33,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972923639] [2024-11-16 08:34:33,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:33,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:33,345 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 08:34:33,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:33,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972923639] [2024-11-16 08:34:33,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972923639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:33,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:33,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:34:33,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204111261] [2024-11-16 08:34:33,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:33,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:34:33,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:33,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:34:33,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:34:33,348 INFO L87 Difference]: Start difference. First operand 4103 states and 5650 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:33,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:33,914 INFO L93 Difference]: Finished difference Result 8530 states and 11952 transitions. [2024-11-16 08:34:33,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:34:33,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-16 08:34:33,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:33,936 INFO L225 Difference]: With dead ends: 8530 [2024-11-16 08:34:33,937 INFO L226 Difference]: Without dead ends: 7289 [2024-11-16 08:34:33,941 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 08:34:33,942 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 3189 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3189 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:33,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3189 Valid, 1048 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:34:33,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7289 states. [2024-11-16 08:34:34,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7289 to 4127. [2024-11-16 08:34:34,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4127 states, 4125 states have (on average 1.3774545454545455) internal successors, (5682), 4126 states have internal predecessors, (5682), 0 states have call successors, (0), 0 states 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 08:34:34,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4127 states to 4127 states and 5682 transitions. [2024-11-16 08:34:34,031 INFO L78 Accepts]: Start accepts. Automaton has 4127 states and 5682 transitions. Word has length 66 [2024-11-16 08:34:34,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:34,032 INFO L471 AbstractCegarLoop]: Abstraction has 4127 states and 5682 transitions. [2024-11-16 08:34:34,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:34,035 INFO L276 IsEmpty]: Start isEmpty. Operand 4127 states and 5682 transitions. [2024-11-16 08:34:34,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-16 08:34:34,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:34,038 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:34,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 08:34:34,039 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:34,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:34,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1343981591, now seen corresponding path program 1 times [2024-11-16 08:34:34,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:34,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811019249] [2024-11-16 08:34:34,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:34,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:34,189 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 08:34:34,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:34,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811019249] [2024-11-16 08:34:34,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811019249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:34,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:34,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:34:34,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389458598] [2024-11-16 08:34:34,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:34,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:34:34,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:34,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:34:34,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:34:34,191 INFO L87 Difference]: Start difference. First operand 4127 states and 5682 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:34,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:34,557 INFO L93 Difference]: Finished difference Result 9347 states and 12931 transitions. [2024-11-16 08:34:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:34:34,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-16 08:34:34,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:34,573 INFO L225 Difference]: With dead ends: 9347 [2024-11-16 08:34:34,573 INFO L226 Difference]: Without dead ends: 5529 [2024-11-16 08:34:34,580 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 08:34:34,582 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 2388 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:34,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 546 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:34:34,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5529 states. [2024-11-16 08:34:34,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5529 to 4127. [2024-11-16 08:34:34,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4127 states, 4125 states have (on average 1.3728484848484848) internal successors, (5663), 4126 states have internal predecessors, (5663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:34,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4127 states to 4127 states and 5663 transitions. [2024-11-16 08:34:34,661 INFO L78 Accepts]: Start accepts. Automaton has 4127 states and 5663 transitions. Word has length 66 [2024-11-16 08:34:34,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:34,661 INFO L471 AbstractCegarLoop]: Abstraction has 4127 states and 5663 transitions. [2024-11-16 08:34:34,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:34,661 INFO L276 IsEmpty]: Start isEmpty. Operand 4127 states and 5663 transitions. [2024-11-16 08:34:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:34:34,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:34,664 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:34,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 08:34:34,665 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:34,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:34,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1314783649, now seen corresponding path program 1 times [2024-11-16 08:34:34,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:34,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130567978] [2024-11-16 08:34:34,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:34,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:34,762 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 08:34:34,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:34,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130567978] [2024-11-16 08:34:34,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130567978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:34,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:34,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:34:34,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810282701] [2024-11-16 08:34:34,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:34,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:34:34,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:34,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:34:34,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:34:34,764 INFO L87 Difference]: Start difference. First operand 4127 states and 5663 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:35,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:35,096 INFO L93 Difference]: Finished difference Result 9236 states and 12673 transitions. [2024-11-16 08:34:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:34:35,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-16 08:34:35,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:35,111 INFO L225 Difference]: With dead ends: 9236 [2024-11-16 08:34:35,111 INFO L226 Difference]: Without dead ends: 5389 [2024-11-16 08:34:35,117 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 08:34:35,118 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 2104 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:35,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 504 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:34:35,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5389 states. [2024-11-16 08:34:35,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5389 to 5367. [2024-11-16 08:34:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5367 states, 5365 states have (on average 1.3582479030754893) internal successors, (7287), 5366 states have internal predecessors, (7287), 0 states have call successors, (0), 0 states 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 08:34:35,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5367 states to 5367 states and 7287 transitions. [2024-11-16 08:34:35,206 INFO L78 Accepts]: Start accepts. Automaton has 5367 states and 7287 transitions. Word has length 67 [2024-11-16 08:34:35,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:35,206 INFO L471 AbstractCegarLoop]: Abstraction has 5367 states and 7287 transitions. [2024-11-16 08:34:35,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 5367 states and 7287 transitions. [2024-11-16 08:34:35,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:34:35,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:35,210 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:35,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 08:34:35,210 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:35,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:35,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1948143736, now seen corresponding path program 1 times [2024-11-16 08:34:35,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:35,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265381698] [2024-11-16 08:34:35,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:35,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:34:35,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:35,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265381698] [2024-11-16 08:34:35,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265381698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:35,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:35,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:34:35,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194341430] [2024-11-16 08:34:35,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:35,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:34:35,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:35,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:34:35,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:34:35,348 INFO L87 Difference]: Start difference. First operand 5367 states and 7287 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:35,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:35,821 INFO L93 Difference]: Finished difference Result 11325 states and 15493 transitions. [2024-11-16 08:34:35,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:34:35,821 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-16 08:34:35,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:35,835 INFO L225 Difference]: With dead ends: 11325 [2024-11-16 08:34:35,835 INFO L226 Difference]: Without dead ends: 8693 [2024-11-16 08:34:35,841 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 08:34:35,842 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 2731 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:35,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2731 Valid, 960 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:34:35,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8693 states. [2024-11-16 08:34:35,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8693 to 5395. [2024-11-16 08:34:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5395 states, 5393 states have (on average 1.357871314667161) internal successors, (7323), 5394 states have internal predecessors, (7323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:35,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5395 states to 5395 states and 7323 transitions. [2024-11-16 08:34:35,926 INFO L78 Accepts]: Start accepts. Automaton has 5395 states and 7323 transitions. Word has length 67 [2024-11-16 08:34:35,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:35,927 INFO L471 AbstractCegarLoop]: Abstraction has 5395 states and 7323 transitions. [2024-11-16 08:34:35,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:35,927 INFO L276 IsEmpty]: Start isEmpty. Operand 5395 states and 7323 transitions. [2024-11-16 08:34:35,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-16 08:34:35,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:35,931 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 08:34:35,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 08:34:35,932 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:35,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:35,932 INFO L85 PathProgramCache]: Analyzing trace with hash 314817167, now seen corresponding path program 1 times [2024-11-16 08:34:35,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:35,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596865811] [2024-11-16 08:34:35,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:35,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:36,085 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 08:34:36,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:36,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596865811] [2024-11-16 08:34:36,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596865811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:36,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:36,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:34:36,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972510803] [2024-11-16 08:34:36,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:36,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:34:36,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:36,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:34:36,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:34:36,087 INFO L87 Difference]: Start difference. First operand 5395 states and 7323 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:36,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:36,584 INFO L93 Difference]: Finished difference Result 13740 states and 18983 transitions. [2024-11-16 08:34:36,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:34:36,585 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-16 08:34:36,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:36,602 INFO L225 Difference]: With dead ends: 13740 [2024-11-16 08:34:36,602 INFO L226 Difference]: Without dead ends: 11390 [2024-11-16 08:34:36,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:34:36,608 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 2975 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2975 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:36,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2975 Valid, 1026 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:34:36,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11390 states. [2024-11-16 08:34:36,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11390 to 5492. [2024-11-16 08:34:36,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5492 states, 5490 states have (on average 1.3573770491803279) internal successors, (7452), 5491 states have internal predecessors, (7452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 7452 transitions. [2024-11-16 08:34:36,713 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 7452 transitions. Word has length 68 [2024-11-16 08:34:36,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:36,714 INFO L471 AbstractCegarLoop]: Abstraction has 5492 states and 7452 transitions. [2024-11-16 08:34:36,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 7452 transitions. [2024-11-16 08:34:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 08:34:36,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:36,718 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:36,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 08:34:36,718 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:36,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:36,719 INFO L85 PathProgramCache]: Analyzing trace with hash 2075710311, now seen corresponding path program 1 times [2024-11-16 08:34:36,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:36,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670737833] [2024-11-16 08:34:36,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:36,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:37,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:34:37,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:37,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670737833] [2024-11-16 08:34:37,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670737833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:37,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:37,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 08:34:37,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770365006] [2024-11-16 08:34:37,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:37,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 08:34:37,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:37,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 08:34:37,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 08:34:37,069 INFO L87 Difference]: Start difference. First operand 5492 states and 7452 transitions. Second operand has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:38,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:38,009 INFO L93 Difference]: Finished difference Result 9757 states and 13313 transitions. [2024-11-16 08:34:38,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:34:38,014 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-16 08:34:38,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:38,023 INFO L225 Difference]: With dead ends: 9757 [2024-11-16 08:34:38,023 INFO L226 Difference]: Without dead ends: 8031 [2024-11-16 08:34:38,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:34:38,027 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 2673 mSDsluCounter, 1784 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2673 SdHoareTripleChecker+Valid, 2160 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:38,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2673 Valid, 2160 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 08:34:38,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8031 states. [2024-11-16 08:34:38,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8031 to 5492. [2024-11-16 08:34:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5492 states, 5490 states have (on average 1.3570127504553735) internal successors, (7450), 5491 states have internal predecessors, (7450), 0 states have call successors, (0), 0 states 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 08:34:38,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 7450 transitions. [2024-11-16 08:34:38,146 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 7450 transitions. Word has length 69 [2024-11-16 08:34:38,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:38,146 INFO L471 AbstractCegarLoop]: Abstraction has 5492 states and 7450 transitions. [2024-11-16 08:34:38,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 7450 transitions. [2024-11-16 08:34:38,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 08:34:38,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:38,152 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:38,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 08:34:38,152 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:38,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:38,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1544626207, now seen corresponding path program 1 times [2024-11-16 08:34:38,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:38,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721013671] [2024-11-16 08:34:38,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:38,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:38,443 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 08:34:38,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:38,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721013671] [2024-11-16 08:34:38,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721013671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:38,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:38,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:34:38,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738343057] [2024-11-16 08:34:38,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:38,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:34:38,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:38,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:34:38,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:34:38,445 INFO L87 Difference]: Start difference. First operand 5492 states and 7450 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:39,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:39,159 INFO L93 Difference]: Finished difference Result 11452 states and 15774 transitions. [2024-11-16 08:34:39,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:34:39,159 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-16 08:34:39,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:39,169 INFO L225 Difference]: With dead ends: 11452 [2024-11-16 08:34:39,169 INFO L226 Difference]: Without dead ends: 8175 [2024-11-16 08:34:39,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:34:39,175 INFO L432 NwaCegarLoop]: 415 mSDtfsCounter, 2863 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2863 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:39,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2863 Valid, 1954 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 08:34:39,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8175 states. [2024-11-16 08:34:39,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8175 to 5488. [2024-11-16 08:34:39,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5488 states, 5486 states have (on average 1.3565439300036457) internal successors, (7442), 5487 states have internal predecessors, (7442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5488 states to 5488 states and 7442 transitions. [2024-11-16 08:34:39,268 INFO L78 Accepts]: Start accepts. Automaton has 5488 states and 7442 transitions. Word has length 69 [2024-11-16 08:34:39,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:39,268 INFO L471 AbstractCegarLoop]: Abstraction has 5488 states and 7442 transitions. [2024-11-16 08:34:39,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:39,269 INFO L276 IsEmpty]: Start isEmpty. Operand 5488 states and 7442 transitions. [2024-11-16 08:34:39,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-16 08:34:39,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:39,273 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 08:34:39,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 08:34:39,274 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:39,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:39,274 INFO L85 PathProgramCache]: Analyzing trace with hash 864753529, now seen corresponding path program 1 times [2024-11-16 08:34:39,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:39,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110368874] [2024-11-16 08:34:39,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:39,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:39,827 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 08:34:39,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:39,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110368874] [2024-11-16 08:34:39,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110368874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:39,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:39,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 08:34:39,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429080065] [2024-11-16 08:34:39,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:39,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:34:39,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:39,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:34:39,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:34:39,828 INFO L87 Difference]: Start difference. First operand 5488 states and 7442 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:40,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:40,587 INFO L93 Difference]: Finished difference Result 12421 states and 17173 transitions. [2024-11-16 08:34:40,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:34:40,588 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-16 08:34:40,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:40,599 INFO L225 Difference]: With dead ends: 12421 [2024-11-16 08:34:40,599 INFO L226 Difference]: Without dead ends: 9146 [2024-11-16 08:34:40,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-16 08:34:40,606 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 3704 mSDsluCounter, 3045 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3704 SdHoareTripleChecker+Valid, 3617 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:40,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3704 Valid, 3617 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:34:40,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9146 states. [2024-11-16 08:34:40,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9146 to 5482. [2024-11-16 08:34:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5482 states, 5480 states have (on average 1.3558394160583942) internal successors, (7430), 5481 states have internal predecessors, (7430), 0 states have call successors, (0), 0 states 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 08:34:40,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5482 states to 5482 states and 7430 transitions. [2024-11-16 08:34:40,684 INFO L78 Accepts]: Start accepts. Automaton has 5482 states and 7430 transitions. Word has length 70 [2024-11-16 08:34:40,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:40,684 INFO L471 AbstractCegarLoop]: Abstraction has 5482 states and 7430 transitions. [2024-11-16 08:34:40,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:40,684 INFO L276 IsEmpty]: Start isEmpty. Operand 5482 states and 7430 transitions. [2024-11-16 08:34:40,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-16 08:34:40,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:40,691 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 08:34:40,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 08:34:40,691 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:40,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:40,692 INFO L85 PathProgramCache]: Analyzing trace with hash 651354612, now seen corresponding path program 1 times [2024-11-16 08:34:40,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:40,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159967231] [2024-11-16 08:34:40,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:40,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:34:40,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:40,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159967231] [2024-11-16 08:34:40,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159967231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:40,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:40,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:34:40,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829527764] [2024-11-16 08:34:40,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:40,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:34:40,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:40,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:34:40,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:34:40,959 INFO L87 Difference]: Start difference. First operand 5482 states and 7430 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:41,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:41,676 INFO L93 Difference]: Finished difference Result 11546 states and 15911 transitions. [2024-11-16 08:34:41,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:34:41,677 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-16 08:34:41,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:41,685 INFO L225 Difference]: With dead ends: 11546 [2024-11-16 08:34:41,685 INFO L226 Difference]: Without dead ends: 8225 [2024-11-16 08:34:41,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:34:41,690 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 2889 mSDsluCounter, 1478 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2889 SdHoareTripleChecker+Valid, 1881 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:41,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2889 Valid, 1881 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 08:34:41,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8225 states. [2024-11-16 08:34:41,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8225 to 5457. [2024-11-16 08:34:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5457 states, 5455 states have (on average 1.3547204399633364) internal successors, (7390), 5456 states have internal predecessors, (7390), 0 states have call successors, (0), 0 states 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 08:34:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5457 states to 5457 states and 7390 transitions. [2024-11-16 08:34:41,762 INFO L78 Accepts]: Start accepts. Automaton has 5457 states and 7390 transitions. Word has length 70 [2024-11-16 08:34:41,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:41,762 INFO L471 AbstractCegarLoop]: Abstraction has 5457 states and 7390 transitions. [2024-11-16 08:34:41,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 5457 states and 7390 transitions. [2024-11-16 08:34:41,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-16 08:34:41,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:41,767 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 08:34:41,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 08:34:41,767 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:41,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:41,768 INFO L85 PathProgramCache]: Analyzing trace with hash 516733412, now seen corresponding path program 1 times [2024-11-16 08:34:41,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:41,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291022580] [2024-11-16 08:34:41,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:41,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:42,352 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 08:34:42,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:42,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291022580] [2024-11-16 08:34:42,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291022580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:42,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:42,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 08:34:42,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809103915] [2024-11-16 08:34:42,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:42,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:34:42,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:42,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:34:42,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:34:42,353 INFO L87 Difference]: Start difference. First operand 5457 states and 7390 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:43,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:43,317 INFO L93 Difference]: Finished difference Result 18395 states and 25509 transitions. [2024-11-16 08:34:43,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 08:34:43,317 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-16 08:34:43,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:43,333 INFO L225 Difference]: With dead ends: 18395 [2024-11-16 08:34:43,334 INFO L226 Difference]: Without dead ends: 15100 [2024-11-16 08:34:43,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-16 08:34:43,342 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 5126 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5126 SdHoareTripleChecker+Valid, 3828 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:43,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5126 Valid, 3828 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:34:43,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15100 states. [2024-11-16 08:34:43,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15100 to 5431. [2024-11-16 08:34:43,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5431 states, 5429 states have (on average 1.3545772702155092) internal successors, (7354), 5430 states have internal predecessors, (7354), 0 states have call successors, (0), 0 states 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 08:34:43,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5431 states to 5431 states and 7354 transitions. [2024-11-16 08:34:43,437 INFO L78 Accepts]: Start accepts. Automaton has 5431 states and 7354 transitions. Word has length 70 [2024-11-16 08:34:43,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:43,438 INFO L471 AbstractCegarLoop]: Abstraction has 5431 states and 7354 transitions. [2024-11-16 08:34:43,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 5431 states and 7354 transitions. [2024-11-16 08:34:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-16 08:34:43,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:43,442 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 08:34:43,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 08:34:43,443 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:43,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:43,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1244418650, now seen corresponding path program 1 times [2024-11-16 08:34:43,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:43,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420433237] [2024-11-16 08:34:43,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:43,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:43,594 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 08:34:43,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:43,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420433237] [2024-11-16 08:34:43,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420433237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:43,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:43,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:34:43,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095147060] [2024-11-16 08:34:43,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:43,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:34:43,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:43,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:34:43,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:34:43,597 INFO L87 Difference]: Start difference. First operand 5431 states and 7354 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:44,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:44,076 INFO L93 Difference]: Finished difference Result 12432 states and 17088 transitions. [2024-11-16 08:34:44,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:34:44,077 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-16 08:34:44,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:44,087 INFO L225 Difference]: With dead ends: 12432 [2024-11-16 08:34:44,087 INFO L226 Difference]: Without dead ends: 10246 [2024-11-16 08:34:44,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:34:44,093 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 2832 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:44,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 994 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:34:44,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10246 states. [2024-11-16 08:34:44,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10246 to 5502. [2024-11-16 08:34:44,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5502 states, 5500 states have (on average 1.3550909090909091) internal successors, (7453), 5501 states have internal predecessors, (7453), 0 states have call successors, (0), 0 states 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 08:34:44,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5502 states to 5502 states and 7453 transitions. [2024-11-16 08:34:44,178 INFO L78 Accepts]: Start accepts. Automaton has 5502 states and 7453 transitions. Word has length 70 [2024-11-16 08:34:44,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:44,178 INFO L471 AbstractCegarLoop]: Abstraction has 5502 states and 7453 transitions. [2024-11-16 08:34:44,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:44,178 INFO L276 IsEmpty]: Start isEmpty. Operand 5502 states and 7453 transitions. [2024-11-16 08:34:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 08:34:44,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:44,183 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:44,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 08:34:44,184 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:44,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:44,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1790547212, now seen corresponding path program 1 times [2024-11-16 08:34:44,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:44,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314833002] [2024-11-16 08:34:44,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:44,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:44,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:34:44,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:44,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314833002] [2024-11-16 08:34:44,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314833002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:44,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:44,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:34:44,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275051811] [2024-11-16 08:34:44,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:44,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:34:44,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:44,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:34:44,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:34:44,282 INFO L87 Difference]: Start difference. First operand 5502 states and 7453 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 6 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 08:34:44,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:44,735 INFO L93 Difference]: Finished difference Result 12432 states and 17090 transitions. [2024-11-16 08:34:44,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:34:44,740 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 6 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 08:34:44,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:44,750 INFO L225 Difference]: With dead ends: 12432 [2024-11-16 08:34:44,751 INFO L226 Difference]: Without dead ends: 10258 [2024-11-16 08:34:44,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:34:44,755 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 2831 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2831 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:44,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2831 Valid, 994 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:34:44,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10258 states. [2024-11-16 08:34:44,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10258 to 5545. [2024-11-16 08:34:44,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5545 states, 5543 states have (on average 1.3555836189788923) internal successors, (7514), 5544 states have internal predecessors, (7514), 0 states have call successors, (0), 0 states 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 08:34:44,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5545 states to 5545 states and 7514 transitions. [2024-11-16 08:34:44,871 INFO L78 Accepts]: Start accepts. Automaton has 5545 states and 7514 transitions. Word has length 71 [2024-11-16 08:34:44,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:44,871 INFO L471 AbstractCegarLoop]: Abstraction has 5545 states and 7514 transitions. [2024-11-16 08:34:44,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 6 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 08:34:44,872 INFO L276 IsEmpty]: Start isEmpty. Operand 5545 states and 7514 transitions. [2024-11-16 08:34:44,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 08:34:44,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:44,877 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 08:34:44,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 08:34:44,877 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:44,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:44,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1907522354, now seen corresponding path program 1 times [2024-11-16 08:34:44,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:44,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070079462] [2024-11-16 08:34:44,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:44,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:45,395 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 08:34:45,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:45,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070079462] [2024-11-16 08:34:45,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070079462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:45,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:45,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 08:34:45,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470513780] [2024-11-16 08:34:45,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:45,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 08:34:45,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:45,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 08:34:45,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-16 08:34:45,397 INFO L87 Difference]: Start difference. First operand 5545 states and 7514 transitions. Second operand has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:46,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:46,281 INFO L93 Difference]: Finished difference Result 20104 states and 27891 transitions. [2024-11-16 08:34:46,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 08:34:46,282 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-16 08:34:46,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:46,298 INFO L225 Difference]: With dead ends: 20104 [2024-11-16 08:34:46,299 INFO L226 Difference]: Without dead ends: 16743 [2024-11-16 08:34:46,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2024-11-16 08:34:46,307 INFO L432 NwaCegarLoop]: 524 mSDtfsCounter, 3940 mSDsluCounter, 4152 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3940 SdHoareTripleChecker+Valid, 4676 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:46,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3940 Valid, 4676 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:34:46,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16743 states. [2024-11-16 08:34:46,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16743 to 5453. [2024-11-16 08:34:46,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5453 states, 5452 states have (on average 1.353448275862069) internal successors, (7379), 5452 states have internal predecessors, (7379), 0 states have call successors, (0), 0 states 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 08:34:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5453 states to 5453 states and 7379 transitions. [2024-11-16 08:34:46,413 INFO L78 Accepts]: Start accepts. Automaton has 5453 states and 7379 transitions. Word has length 71 [2024-11-16 08:34:46,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:46,413 INFO L471 AbstractCegarLoop]: Abstraction has 5453 states and 7379 transitions. [2024-11-16 08:34:46,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 5453 states and 7379 transitions. [2024-11-16 08:34:46,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 08:34:46,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:46,418 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:46,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 08:34:46,419 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:46,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:46,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1657848843, now seen corresponding path program 1 times [2024-11-16 08:34:46,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:46,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467744307] [2024-11-16 08:34:46,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:46,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:34:46,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:46,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467744307] [2024-11-16 08:34:46,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467744307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:46,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:46,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 08:34:46,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004186489] [2024-11-16 08:34:46,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:46,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 08:34:46,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:46,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 08:34:46,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 08:34:46,685 INFO L87 Difference]: Start difference. First operand 5453 states and 7379 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:47,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:47,443 INFO L93 Difference]: Finished difference Result 13108 states and 18051 transitions. [2024-11-16 08:34:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:34:47,443 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-16 08:34:47,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:47,453 INFO L225 Difference]: With dead ends: 13108 [2024-11-16 08:34:47,453 INFO L226 Difference]: Without dead ends: 9589 [2024-11-16 08:34:47,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2024-11-16 08:34:47,459 INFO L432 NwaCegarLoop]: 361 mSDtfsCounter, 2621 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 2067 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:47,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 2067 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1315 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 08:34:47,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9589 states. [2024-11-16 08:34:47,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9589 to 5328. [2024-11-16 08:34:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5328 states, 5327 states have (on average 1.3532945372629999) internal successors, (7209), 5327 states have internal predecessors, (7209), 0 states have call successors, (0), 0 states 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 08:34:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5328 states to 5328 states and 7209 transitions. [2024-11-16 08:34:47,558 INFO L78 Accepts]: Start accepts. Automaton has 5328 states and 7209 transitions. Word has length 71 [2024-11-16 08:34:47,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:47,559 INFO L471 AbstractCegarLoop]: Abstraction has 5328 states and 7209 transitions. [2024-11-16 08:34:47,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 5328 states and 7209 transitions. [2024-11-16 08:34:47,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 08:34:47,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:47,563 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 08:34:47,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 08:34:47,563 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:47,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:47,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1380947356, now seen corresponding path program 1 times [2024-11-16 08:34:47,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:47,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189675674] [2024-11-16 08:34:47,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:47,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:47,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:34:47,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:47,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189675674] [2024-11-16 08:34:47,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189675674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:47,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:47,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 08:34:47,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592161453] [2024-11-16 08:34:47,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:47,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 08:34:47,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:47,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 08:34:47,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-16 08:34:47,758 INFO L87 Difference]: Start difference. First operand 5328 states and 7209 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 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 08:34:48,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:48,433 INFO L93 Difference]: Finished difference Result 11315 states and 15556 transitions. [2024-11-16 08:34:48,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:34:48,434 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 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 08:34:48,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:48,441 INFO L225 Difference]: With dead ends: 11315 [2024-11-16 08:34:48,441 INFO L226 Difference]: Without dead ends: 7826 [2024-11-16 08:34:48,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:34:48,447 INFO L432 NwaCegarLoop]: 331 mSDtfsCounter, 1990 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1990 SdHoareTripleChecker+Valid, 1706 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:48,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1990 Valid, 1706 Invalid, 1360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 08:34:48,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7826 states. [2024-11-16 08:34:48,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7826 to 5328. [2024-11-16 08:34:48,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5328 states, 5327 states have (on average 1.3529190914210625) internal successors, (7207), 5327 states have internal predecessors, (7207), 0 states have call successors, (0), 0 states 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 08:34:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5328 states to 5328 states and 7207 transitions. [2024-11-16 08:34:48,511 INFO L78 Accepts]: Start accepts. Automaton has 5328 states and 7207 transitions. Word has length 72 [2024-11-16 08:34:48,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:48,511 INFO L471 AbstractCegarLoop]: Abstraction has 5328 states and 7207 transitions. [2024-11-16 08:34:48,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 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 08:34:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 5328 states and 7207 transitions. [2024-11-16 08:34:48,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 08:34:48,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:48,516 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 08:34:48,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 08:34:48,516 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:48,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:48,516 INFO L85 PathProgramCache]: Analyzing trace with hash -249032266, now seen corresponding path program 1 times [2024-11-16 08:34:48,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:48,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271315054] [2024-11-16 08:34:48,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:48,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:48,966 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 08:34:48,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:48,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271315054] [2024-11-16 08:34:48,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271315054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:48,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:48,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 08:34:48,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875350985] [2024-11-16 08:34:48,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:48,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:34:48,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:48,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:34:48,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:34:48,968 INFO L87 Difference]: Start difference. First operand 5328 states and 7207 transitions. Second operand has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:49,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:49,795 INFO L93 Difference]: Finished difference Result 18604 states and 25706 transitions. [2024-11-16 08:34:49,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 08:34:49,797 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-16 08:34:49,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:49,814 INFO L225 Difference]: With dead ends: 18604 [2024-11-16 08:34:49,814 INFO L226 Difference]: Without dead ends: 16402 [2024-11-16 08:34:49,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-16 08:34:49,822 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 2993 mSDsluCounter, 2553 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2993 SdHoareTripleChecker+Valid, 3021 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:49,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2993 Valid, 3021 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:34:49,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16402 states. [2024-11-16 08:34:49,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16402 to 5328. [2024-11-16 08:34:49,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5328 states, 5327 states have (on average 1.352731368500094) internal successors, (7206), 5327 states have internal predecessors, (7206), 0 states have call successors, (0), 0 states 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 08:34:49,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5328 states to 5328 states and 7206 transitions. [2024-11-16 08:34:49,960 INFO L78 Accepts]: Start accepts. Automaton has 5328 states and 7206 transitions. Word has length 72 [2024-11-16 08:34:49,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:49,960 INFO L471 AbstractCegarLoop]: Abstraction has 5328 states and 7206 transitions. [2024-11-16 08:34:49,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:49,960 INFO L276 IsEmpty]: Start isEmpty. Operand 5328 states and 7206 transitions. [2024-11-16 08:34:49,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-16 08:34:49,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:49,965 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:49,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 08:34:49,965 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:49,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:49,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1152884282, now seen corresponding path program 1 times [2024-11-16 08:34:49,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:49,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688703923] [2024-11-16 08:34:49,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:49,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:50,027 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 08:34:50,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:50,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688703923] [2024-11-16 08:34:50,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688703923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:50,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:50,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:50,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474550243] [2024-11-16 08:34:50,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:50,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:50,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:50,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:50,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:50,029 INFO L87 Difference]: Start difference. First operand 5328 states and 7206 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:50,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:50,060 INFO L93 Difference]: Finished difference Result 7286 states and 9884 transitions. [2024-11-16 08:34:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:50,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-16 08:34:50,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:50,065 INFO L225 Difference]: With dead ends: 7286 [2024-11-16 08:34:50,066 INFO L226 Difference]: Without dead ends: 5195 [2024-11-16 08:34:50,068 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 08:34:50,069 INFO L432 NwaCegarLoop]: 728 mSDtfsCounter, 378 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:50,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 1061 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:34:50,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5195 states. [2024-11-16 08:34:50,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5195 to 5193. [2024-11-16 08:34:50,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5193 states, 5192 states have (on average 1.3389830508474576) internal successors, (6952), 5192 states have internal predecessors, (6952), 0 states have call successors, (0), 0 states 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 08:34:50,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 5193 states and 6952 transitions. [2024-11-16 08:34:50,119 INFO L78 Accepts]: Start accepts. Automaton has 5193 states and 6952 transitions. Word has length 73 [2024-11-16 08:34:50,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:50,119 INFO L471 AbstractCegarLoop]: Abstraction has 5193 states and 6952 transitions. [2024-11-16 08:34:50,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:50,120 INFO L276 IsEmpty]: Start isEmpty. Operand 5193 states and 6952 transitions. [2024-11-16 08:34:50,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-16 08:34:50,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:50,124 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:50,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 08:34:50,124 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:50,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:50,124 INFO L85 PathProgramCache]: Analyzing trace with hash 246154174, now seen corresponding path program 1 times [2024-11-16 08:34:50,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:50,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354359441] [2024-11-16 08:34:50,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:50,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:50,177 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 08:34:50,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:50,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354359441] [2024-11-16 08:34:50,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354359441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:50,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:50,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:50,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125484642] [2024-11-16 08:34:50,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:50,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:50,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:50,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:50,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:50,179 INFO L87 Difference]: Start difference. First operand 5193 states and 6952 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:50,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:50,211 INFO L93 Difference]: Finished difference Result 7712 states and 10414 transitions. [2024-11-16 08:34:50,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:50,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-16 08:34:50,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:50,216 INFO L225 Difference]: With dead ends: 7712 [2024-11-16 08:34:50,216 INFO L226 Difference]: Without dead ends: 5195 [2024-11-16 08:34:50,219 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 08:34:50,222 INFO L432 NwaCegarLoop]: 758 mSDtfsCounter, 361 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 1270 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 08:34:50,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 1270 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:34:50,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5195 states. [2024-11-16 08:34:50,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5195 to 5193. [2024-11-16 08:34:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5193 states, 5192 states have (on average 1.3293528505392913) internal successors, (6902), 5192 states have internal predecessors, (6902), 0 states have call successors, (0), 0 states 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 08:34:50,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 5193 states and 6902 transitions. [2024-11-16 08:34:50,270 INFO L78 Accepts]: Start accepts. Automaton has 5193 states and 6902 transitions. Word has length 73 [2024-11-16 08:34:50,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:50,271 INFO L471 AbstractCegarLoop]: Abstraction has 5193 states and 6902 transitions. [2024-11-16 08:34:50,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:50,271 INFO L276 IsEmpty]: Start isEmpty. Operand 5193 states and 6902 transitions. [2024-11-16 08:34:50,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-16 08:34:50,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:50,277 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:50,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 08:34:50,277 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:50,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:50,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1839265430, now seen corresponding path program 1 times [2024-11-16 08:34:50,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:50,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762203914] [2024-11-16 08:34:50,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:50,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:50,319 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 08:34:50,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:50,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762203914] [2024-11-16 08:34:50,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762203914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:50,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:50,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:50,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370036509] [2024-11-16 08:34:50,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:50,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:50,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:50,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:50,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:50,322 INFO L87 Difference]: Start difference. First operand 5193 states and 6902 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:50,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:50,412 INFO L93 Difference]: Finished difference Result 10173 states and 13642 transitions. [2024-11-16 08:34:50,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:50,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-16 08:34:50,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:50,419 INFO L225 Difference]: With dead ends: 10173 [2024-11-16 08:34:50,420 INFO L226 Difference]: Without dead ends: 7237 [2024-11-16 08:34:50,424 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 08:34:50,424 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 466 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:50,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 619 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:34:50,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7237 states. [2024-11-16 08:34:50,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7237 to 7217. [2024-11-16 08:34:50,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7217 states, 7216 states have (on average 1.3443736141906875) internal successors, (9701), 7216 states have internal predecessors, (9701), 0 states have call successors, (0), 0 states 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 08:34:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7217 states to 7217 states and 9701 transitions. [2024-11-16 08:34:50,501 INFO L78 Accepts]: Start accepts. Automaton has 7217 states and 9701 transitions. Word has length 73 [2024-11-16 08:34:50,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:50,502 INFO L471 AbstractCegarLoop]: Abstraction has 7217 states and 9701 transitions. [2024-11-16 08:34:50,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:50,502 INFO L276 IsEmpty]: Start isEmpty. Operand 7217 states and 9701 transitions. [2024-11-16 08:34:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-16 08:34:50,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:50,509 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:50,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 08:34:50,509 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:50,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:50,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1838790698, now seen corresponding path program 1 times [2024-11-16 08:34:50,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:50,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829280610] [2024-11-16 08:34:50,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:50,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:50,556 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 08:34:50,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:50,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829280610] [2024-11-16 08:34:50,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829280610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:50,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:50,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:50,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922138150] [2024-11-16 08:34:50,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:50,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:50,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:50,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:50,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:50,559 INFO L87 Difference]: Start difference. First operand 7217 states and 9701 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 08:34:50,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:50,638 INFO L93 Difference]: Finished difference Result 15140 states and 20517 transitions. [2024-11-16 08:34:50,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:50,639 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 08:34:50,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:50,651 INFO L225 Difference]: With dead ends: 15140 [2024-11-16 08:34:50,651 INFO L226 Difference]: Without dead ends: 10825 [2024-11-16 08:34:50,660 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 08:34:50,661 INFO L432 NwaCegarLoop]: 426 mSDtfsCounter, 401 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:50,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 605 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:34:50,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10825 states. [2024-11-16 08:34:50,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10825 to 10793. [2024-11-16 08:34:50,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10793 states, 10792 states have (on average 1.3568383988139363) internal successors, (14643), 10792 states have internal predecessors, (14643), 0 states have call successors, (0), 0 states 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 08:34:50,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10793 states to 10793 states and 14643 transitions. [2024-11-16 08:34:50,791 INFO L78 Accepts]: Start accepts. Automaton has 10793 states and 14643 transitions. Word has length 74 [2024-11-16 08:34:50,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:50,791 INFO L471 AbstractCegarLoop]: Abstraction has 10793 states and 14643 transitions. [2024-11-16 08:34:50,791 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 08:34:50,792 INFO L276 IsEmpty]: Start isEmpty. Operand 10793 states and 14643 transitions. [2024-11-16 08:34:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-16 08:34:50,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:50,796 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 08:34:50,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 08:34:50,796 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:50,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:50,797 INFO L85 PathProgramCache]: Analyzing trace with hash 630513225, now seen corresponding path program 1 times [2024-11-16 08:34:50,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:50,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228240916] [2024-11-16 08:34:50,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:50,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:50,837 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 08:34:50,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:50,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228240916] [2024-11-16 08:34:50,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228240916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:50,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:50,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:50,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473919487] [2024-11-16 08:34:50,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:50,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:50,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:50,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:50,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:50,840 INFO L87 Difference]: Start difference. First operand 10793 states and 14643 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 08:34:50,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:50,912 INFO L93 Difference]: Finished difference Result 20282 states and 27697 transitions. [2024-11-16 08:34:50,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:50,913 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 08:34:50,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:50,930 INFO L225 Difference]: With dead ends: 20282 [2024-11-16 08:34:50,930 INFO L226 Difference]: Without dead ends: 13497 [2024-11-16 08:34:50,938 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 08:34:50,939 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 402 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:50,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 685 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:34:50,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13497 states. [2024-11-16 08:34:51,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13497 to 10121. [2024-11-16 08:34:51,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10121 states, 10120 states have (on average 1.3603754940711463) internal successors, (13767), 10120 states have internal predecessors, (13767), 0 states have call successors, (0), 0 states 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 08:34:51,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10121 states to 10121 states and 13767 transitions. [2024-11-16 08:34:51,052 INFO L78 Accepts]: Start accepts. Automaton has 10121 states and 13767 transitions. Word has length 74 [2024-11-16 08:34:51,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:51,052 INFO L471 AbstractCegarLoop]: Abstraction has 10121 states and 13767 transitions. [2024-11-16 08:34:51,052 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 08:34:51,052 INFO L276 IsEmpty]: Start isEmpty. Operand 10121 states and 13767 transitions. [2024-11-16 08:34:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-16 08:34:51,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:51,056 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:51,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 08:34:51,057 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:51,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:51,057 INFO L85 PathProgramCache]: Analyzing trace with hash -76786466, now seen corresponding path program 1 times [2024-11-16 08:34:51,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:51,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75682114] [2024-11-16 08:34:51,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:51,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:51,381 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 08:34:51,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:51,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75682114] [2024-11-16 08:34:51,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75682114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:51,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:51,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 08:34:51,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368821051] [2024-11-16 08:34:51,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:51,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:34:51,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:51,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:34:51,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:34:51,383 INFO L87 Difference]: Start difference. First operand 10121 states and 13767 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:52,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:52,484 INFO L93 Difference]: Finished difference Result 36769 states and 50394 transitions. [2024-11-16 08:34:52,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-16 08:34:52,485 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-16 08:34:52,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:52,525 INFO L225 Difference]: With dead ends: 36769 [2024-11-16 08:34:52,526 INFO L226 Difference]: Without dead ends: 35126 [2024-11-16 08:34:52,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=273, Invalid=719, Unknown=0, NotChecked=0, Total=992 [2024-11-16 08:34:52,542 INFO L432 NwaCegarLoop]: 331 mSDtfsCounter, 4401 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4401 SdHoareTripleChecker+Valid, 1816 SdHoareTripleChecker+Invalid, 1331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:52,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4401 Valid, 1816 Invalid, 1331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 08:34:52,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35126 states. [2024-11-16 08:34:52,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35126 to 10129. [2024-11-16 08:34:52,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10129 states, 10128 states have (on average 1.3600908372827805) internal successors, (13775), 10128 states have internal predecessors, (13775), 0 states have call successors, (0), 0 states 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 08:34:52,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10129 states to 10129 states and 13775 transitions. [2024-11-16 08:34:52,786 INFO L78 Accepts]: Start accepts. Automaton has 10129 states and 13775 transitions. Word has length 75 [2024-11-16 08:34:52,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:52,786 INFO L471 AbstractCegarLoop]: Abstraction has 10129 states and 13775 transitions. [2024-11-16 08:34:52,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:52,786 INFO L276 IsEmpty]: Start isEmpty. Operand 10129 states and 13775 transitions. [2024-11-16 08:34:52,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-16 08:34:52,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:52,790 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:52,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 08:34:52,790 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:52,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:52,790 INFO L85 PathProgramCache]: Analyzing trace with hash 671124703, now seen corresponding path program 1 times [2024-11-16 08:34:52,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:52,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425397175] [2024-11-16 08:34:52,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:52,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:53,002 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 08:34:53,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:53,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425397175] [2024-11-16 08:34:53,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425397175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:53,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:53,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:34:53,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419334147] [2024-11-16 08:34:53,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:53,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:34:53,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:53,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:34:53,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:34:53,004 INFO L87 Difference]: Start difference. First operand 10129 states and 13775 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:53,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:53,544 INFO L93 Difference]: Finished difference Result 13539 states and 18393 transitions. [2024-11-16 08:34:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:34:53,545 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-16 08:34:53,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:53,556 INFO L225 Difference]: With dead ends: 13539 [2024-11-16 08:34:53,556 INFO L226 Difference]: Without dead ends: 11930 [2024-11-16 08:34:53,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:34:53,561 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 1990 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1990 SdHoareTripleChecker+Valid, 1465 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:53,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1990 Valid, 1465 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1005 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:34:53,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11930 states. [2024-11-16 08:34:53,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11930 to 10129. [2024-11-16 08:34:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10129 states, 10128 states have (on average 1.3599921011058451) internal successors, (13774), 10128 states have internal predecessors, (13774), 0 states have call successors, (0), 0 states 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 08:34:53,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10129 states to 10129 states and 13774 transitions. [2024-11-16 08:34:53,663 INFO L78 Accepts]: Start accepts. Automaton has 10129 states and 13774 transitions. Word has length 75 [2024-11-16 08:34:53,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:53,663 INFO L471 AbstractCegarLoop]: Abstraction has 10129 states and 13774 transitions. [2024-11-16 08:34:53,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:53,663 INFO L276 IsEmpty]: Start isEmpty. Operand 10129 states and 13774 transitions. [2024-11-16 08:34:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-16 08:34:53,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:53,667 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:53,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-16 08:34:53,667 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:53,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:53,667 INFO L85 PathProgramCache]: Analyzing trace with hash -768988326, now seen corresponding path program 1 times [2024-11-16 08:34:53,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:53,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825332393] [2024-11-16 08:34:53,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:53,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:53,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:34:53,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:53,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825332393] [2024-11-16 08:34:53,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825332393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:53,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:53,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:34:53,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967912652] [2024-11-16 08:34:53,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:53,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:34:53,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:53,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:34:53,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:34:53,847 INFO L87 Difference]: Start difference. First operand 10129 states and 13774 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:54,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:54,335 INFO L93 Difference]: Finished difference Result 23675 states and 32401 transitions. [2024-11-16 08:34:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:34:54,335 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-16 08:34:54,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:54,356 INFO L225 Difference]: With dead ends: 23675 [2024-11-16 08:34:54,356 INFO L226 Difference]: Without dead ends: 22016 [2024-11-16 08:34:54,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-16 08:34:54,364 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 2056 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:54,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 1490 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:34:54,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22016 states. [2024-11-16 08:34:54,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22016 to 10106. [2024-11-16 08:34:54,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10106 states, 10105 states have (on average 1.3601187530925285) internal successors, (13744), 10105 states have internal predecessors, (13744), 0 states have call successors, (0), 0 states 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 08:34:54,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10106 states to 10106 states and 13744 transitions. [2024-11-16 08:34:54,566 INFO L78 Accepts]: Start accepts. Automaton has 10106 states and 13744 transitions. Word has length 75 [2024-11-16 08:34:54,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:54,566 INFO L471 AbstractCegarLoop]: Abstraction has 10106 states and 13744 transitions. [2024-11-16 08:34:54,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:54,566 INFO L276 IsEmpty]: Start isEmpty. Operand 10106 states and 13744 transitions. [2024-11-16 08:34:54,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-16 08:34:54,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:54,570 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 08:34:54,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-16 08:34:54,570 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:54,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:54,570 INFO L85 PathProgramCache]: Analyzing trace with hash 488305449, now seen corresponding path program 1 times [2024-11-16 08:34:54,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:54,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472262321] [2024-11-16 08:34:54,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:54,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:54,614 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 08:34:54,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:54,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472262321] [2024-11-16 08:34:54,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472262321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:54,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:54,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:54,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231484469] [2024-11-16 08:34:54,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:54,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:54,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:54,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:54,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:54,616 INFO L87 Difference]: Start difference. First operand 10106 states and 13744 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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 08:34:54,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:54,670 INFO L93 Difference]: Finished difference Result 13546 states and 18442 transitions. [2024-11-16 08:34:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:54,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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 08:34:54,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:54,679 INFO L225 Difference]: With dead ends: 13546 [2024-11-16 08:34:54,679 INFO L226 Difference]: Without dead ends: 8369 [2024-11-16 08:34:54,684 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 08:34:54,685 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 276 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:54,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 879 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:34:54,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8369 states. [2024-11-16 08:34:54,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8369 to 6421. [2024-11-16 08:34:54,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6421 states, 6420 states have (on average 1.337227414330218) internal successors, (8585), 6420 states have internal predecessors, (8585), 0 states have call successors, (0), 0 states 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 08:34:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6421 states to 6421 states and 8585 transitions. [2024-11-16 08:34:54,748 INFO L78 Accepts]: Start accepts. Automaton has 6421 states and 8585 transitions. Word has length 76 [2024-11-16 08:34:54,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:54,748 INFO L471 AbstractCegarLoop]: Abstraction has 6421 states and 8585 transitions. [2024-11-16 08:34:54,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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 08:34:54,748 INFO L276 IsEmpty]: Start isEmpty. Operand 6421 states and 8585 transitions. [2024-11-16 08:34:54,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-16 08:34:54,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:54,751 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 08:34:54,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-16 08:34:54,751 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:54,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:54,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1673122850, now seen corresponding path program 1 times [2024-11-16 08:34:54,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:54,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467873197] [2024-11-16 08:34:54,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:54,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:54,799 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 08:34:54,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:54,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467873197] [2024-11-16 08:34:54,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467873197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:54,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:54,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:54,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24690198] [2024-11-16 08:34:54,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:54,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:54,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:54,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:54,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:54,801 INFO L87 Difference]: Start difference. First operand 6421 states and 8585 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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 08:34:54,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:54,839 INFO L93 Difference]: Finished difference Result 8583 states and 11490 transitions. [2024-11-16 08:34:54,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:54,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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 08:34:54,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:54,844 INFO L225 Difference]: With dead ends: 8583 [2024-11-16 08:34:54,844 INFO L226 Difference]: Without dead ends: 5392 [2024-11-16 08:34:54,847 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 08:34:54,847 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 284 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:54,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 921 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:34:54,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5392 states. [2024-11-16 08:34:54,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5392 to 4224. [2024-11-16 08:34:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4224 states, 4223 states have (on average 1.3080748283210988) internal successors, (5524), 4223 states have internal predecessors, (5524), 0 states have call successors, (0), 0 states 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 08:34:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4224 states to 4224 states and 5524 transitions. [2024-11-16 08:34:54,885 INFO L78 Accepts]: Start accepts. Automaton has 4224 states and 5524 transitions. Word has length 76 [2024-11-16 08:34:54,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:54,885 INFO L471 AbstractCegarLoop]: Abstraction has 4224 states and 5524 transitions. [2024-11-16 08:34:54,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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 08:34:54,885 INFO L276 IsEmpty]: Start isEmpty. Operand 4224 states and 5524 transitions. [2024-11-16 08:34:54,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-16 08:34:54,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:54,888 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 08:34:54,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-16 08:34:54,888 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:54,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:54,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1541980934, now seen corresponding path program 1 times [2024-11-16 08:34:54,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:54,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777946849] [2024-11-16 08:34:54,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:54,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:34:55,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:55,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777946849] [2024-11-16 08:34:55,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777946849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:55,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:55,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:34:55,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302838313] [2024-11-16 08:34:55,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:55,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:34:55,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:55,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:34:55,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:34:55,056 INFO L87 Difference]: Start difference. First operand 4224 states and 5524 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 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 08:34:55,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:55,452 INFO L93 Difference]: Finished difference Result 5760 states and 7551 transitions. [2024-11-16 08:34:55,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:34:55,452 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 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 08:34:55,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:55,457 INFO L225 Difference]: With dead ends: 5760 [2024-11-16 08:34:55,457 INFO L226 Difference]: Without dead ends: 5537 [2024-11-16 08:34:55,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:34:55,459 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 2246 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2246 SdHoareTripleChecker+Valid, 1286 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:55,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2246 Valid, 1286 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:34:55,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5537 states. [2024-11-16 08:34:55,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5537 to 4205. [2024-11-16 08:34:55,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4205 states, 4204 states have (on average 1.3087535680304472) internal successors, (5502), 4204 states have internal predecessors, (5502), 0 states have call successors, (0), 0 states 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 08:34:55,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 5502 transitions. [2024-11-16 08:34:55,492 INFO L78 Accepts]: Start accepts. Automaton has 4205 states and 5502 transitions. Word has length 76 [2024-11-16 08:34:55,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:55,492 INFO L471 AbstractCegarLoop]: Abstraction has 4205 states and 5502 transitions. [2024-11-16 08:34:55,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 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 08:34:55,492 INFO L276 IsEmpty]: Start isEmpty. Operand 4205 states and 5502 transitions. [2024-11-16 08:34:55,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-16 08:34:55,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:55,494 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:55,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-16 08:34:55,495 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:55,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:55,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1714270270, now seen corresponding path program 1 times [2024-11-16 08:34:55,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:55,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021705966] [2024-11-16 08:34:55,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:55,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:55,926 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 08:34:55,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:55,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021705966] [2024-11-16 08:34:55,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021705966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:55,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:55,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 08:34:55,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910118456] [2024-11-16 08:34:55,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:55,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:34:55,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:55,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:34:55,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:34:55,928 INFO L87 Difference]: Start difference. First operand 4205 states and 5502 transitions. Second operand has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states 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 08:34:56,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:56,513 INFO L93 Difference]: Finished difference Result 12071 states and 15994 transitions. [2024-11-16 08:34:56,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 08:34:56,513 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2024-11-16 08:34:56,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:56,524 INFO L225 Difference]: With dead ends: 12071 [2024-11-16 08:34:56,524 INFO L226 Difference]: Without dead ends: 11967 [2024-11-16 08:34:56,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-16 08:34:56,529 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 3007 mSDsluCounter, 2053 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3007 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:56,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3007 Valid, 2427 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:34:56,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11967 states. [2024-11-16 08:34:56,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11967 to 4172. [2024-11-16 08:34:56,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4172 states, 4171 states have (on average 1.3090385998561496) internal successors, (5460), 4171 states have internal predecessors, (5460), 0 states have call successors, (0), 0 states 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 08:34:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4172 states to 4172 states and 5460 transitions. [2024-11-16 08:34:56,586 INFO L78 Accepts]: Start accepts. Automaton has 4172 states and 5460 transitions. Word has length 78 [2024-11-16 08:34:56,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:56,586 INFO L471 AbstractCegarLoop]: Abstraction has 4172 states and 5460 transitions. [2024-11-16 08:34:56,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states 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 08:34:56,587 INFO L276 IsEmpty]: Start isEmpty. Operand 4172 states and 5460 transitions. [2024-11-16 08:34:56,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-16 08:34:56,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:56,589 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:56,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-16 08:34:56,589 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:56,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:56,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1418095197, now seen corresponding path program 1 times [2024-11-16 08:34:56,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:56,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738239499] [2024-11-16 08:34:56,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:56,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:57,107 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 08:34:57,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:57,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738239499] [2024-11-16 08:34:57,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738239499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:57,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:57,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 08:34:57,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732628076] [2024-11-16 08:34:57,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:57,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 08:34:57,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:57,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 08:34:57,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-16 08:34:57,110 INFO L87 Difference]: Start difference. First operand 4172 states and 5460 transitions. Second operand has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 0 states have call successors, (0), 0 states 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 08:34:57,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:57,820 INFO L93 Difference]: Finished difference Result 13455 states and 17918 transitions. [2024-11-16 08:34:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 08:34:57,821 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2024-11-16 08:34:57,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:57,833 INFO L225 Difference]: With dead ends: 13455 [2024-11-16 08:34:57,834 INFO L226 Difference]: Without dead ends: 12821 [2024-11-16 08:34:57,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=180, Invalid=576, Unknown=0, NotChecked=0, Total=756 [2024-11-16 08:34:57,838 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 3397 mSDsluCounter, 2740 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3397 SdHoareTripleChecker+Valid, 3121 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:57,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3397 Valid, 3121 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:34:57,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12821 states. [2024-11-16 08:34:57,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12821 to 4107. [2024-11-16 08:34:57,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4107 states, 4106 states have (on average 1.3110082805650267) internal successors, (5383), 4106 states have internal predecessors, (5383), 0 states have call successors, (0), 0 states 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 08:34:57,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4107 states to 4107 states and 5383 transitions. [2024-11-16 08:34:57,905 INFO L78 Accepts]: Start accepts. Automaton has 4107 states and 5383 transitions. Word has length 78 [2024-11-16 08:34:57,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:57,905 INFO L471 AbstractCegarLoop]: Abstraction has 4107 states and 5383 transitions. [2024-11-16 08:34:57,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 0 states have call successors, (0), 0 states 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 08:34:57,905 INFO L276 IsEmpty]: Start isEmpty. Operand 4107 states and 5383 transitions. [2024-11-16 08:34:57,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-16 08:34:57,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:57,908 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:57,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-16 08:34:57,908 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:57,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:57,909 INFO L85 PathProgramCache]: Analyzing trace with hash 828680673, now seen corresponding path program 1 times [2024-11-16 08:34:57,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:57,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523460014] [2024-11-16 08:34:57,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:57,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:57,986 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 08:34:57,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:57,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523460014] [2024-11-16 08:34:57,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523460014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:57,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:57,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:34:57,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088141677] [2024-11-16 08:34:57,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:57,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:34:57,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:57,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:34:57,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:34:57,988 INFO L87 Difference]: Start difference. First operand 4107 states and 5383 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:58,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:58,069 INFO L93 Difference]: Finished difference Result 12001 states and 16134 transitions. [2024-11-16 08:34:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:34:58,070 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-16 08:34:58,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:58,078 INFO L225 Difference]: With dead ends: 12001 [2024-11-16 08:34:58,078 INFO L226 Difference]: Without dead ends: 8948 [2024-11-16 08:34:58,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:34:58,082 INFO L432 NwaCegarLoop]: 380 mSDtfsCounter, 1795 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:58,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 1234 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:34:58,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8948 states. [2024-11-16 08:34:58,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8948 to 6770. [2024-11-16 08:34:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6770 states, 6769 states have (on average 1.3155562121435957) internal successors, (8905), 6769 states have internal predecessors, (8905), 0 states have call successors, (0), 0 states 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 08:34:58,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6770 states to 6770 states and 8905 transitions. [2024-11-16 08:34:58,148 INFO L78 Accepts]: Start accepts. Automaton has 6770 states and 8905 transitions. Word has length 83 [2024-11-16 08:34:58,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:58,148 INFO L471 AbstractCegarLoop]: Abstraction has 6770 states and 8905 transitions. [2024-11-16 08:34:58,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:58,149 INFO L276 IsEmpty]: Start isEmpty. Operand 6770 states and 8905 transitions. [2024-11-16 08:34:58,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-16 08:34:58,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:58,153 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:58,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-16 08:34:58,153 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:58,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:58,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1555085695, now seen corresponding path program 1 times [2024-11-16 08:34:58,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:58,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129861699] [2024-11-16 08:34:58,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:58,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:58,252 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 08:34:58,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:58,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129861699] [2024-11-16 08:34:58,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129861699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:58,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:58,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:34:58,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303946742] [2024-11-16 08:34:58,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:58,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:34:58,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:58,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:34:58,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:34:58,255 INFO L87 Difference]: Start difference. First operand 6770 states and 8905 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:58,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:58,348 INFO L93 Difference]: Finished difference Result 6778 states and 8909 transitions. [2024-11-16 08:34:58,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:34:58,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-16 08:34:58,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:58,354 INFO L225 Difference]: With dead ends: 6778 [2024-11-16 08:34:58,354 INFO L226 Difference]: Without dead ends: 6319 [2024-11-16 08:34:58,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:34:58,357 INFO L432 NwaCegarLoop]: 622 mSDtfsCounter, 1047 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:58,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 1080 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:34:58,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6319 states. [2024-11-16 08:34:58,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6319 to 6313. [2024-11-16 08:34:58,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6313 states, 6312 states have (on average 1.3173320659062104) internal successors, (8315), 6312 states have internal predecessors, (8315), 0 states have call successors, (0), 0 states 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 08:34:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6313 states to 6313 states and 8315 transitions. [2024-11-16 08:34:58,409 INFO L78 Accepts]: Start accepts. Automaton has 6313 states and 8315 transitions. Word has length 85 [2024-11-16 08:34:58,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:58,409 INFO L471 AbstractCegarLoop]: Abstraction has 6313 states and 8315 transitions. [2024-11-16 08:34:58,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:58,409 INFO L276 IsEmpty]: Start isEmpty. Operand 6313 states and 8315 transitions. [2024-11-16 08:34:58,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-16 08:34:58,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:58,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:58,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-16 08:34:58,413 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:58,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:58,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1997209559, now seen corresponding path program 1 times [2024-11-16 08:34:58,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:58,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631879023] [2024-11-16 08:34:58,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:58,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:58,484 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 08:34:58,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:58,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631879023] [2024-11-16 08:34:58,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631879023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:58,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:58,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:58,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896681070] [2024-11-16 08:34:58,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:58,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:58,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:58,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:58,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:58,487 INFO L87 Difference]: Start difference. First operand 6313 states and 8315 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:58,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:58,561 INFO L93 Difference]: Finished difference Result 16613 states and 22133 transitions. [2024-11-16 08:34:58,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:58,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-16 08:34:58,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:58,569 INFO L225 Difference]: With dead ends: 16613 [2024-11-16 08:34:58,570 INFO L226 Difference]: Without dead ends: 11285 [2024-11-16 08:34:58,572 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 08:34:58,572 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 159 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:58,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 785 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:34:58,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11285 states. [2024-11-16 08:34:58,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11285 to 10787. [2024-11-16 08:34:58,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10787 states, 10786 states have (on average 1.3216206193213424) internal successors, (14255), 10786 states have internal predecessors, (14255), 0 states have call successors, (0), 0 states 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 08:34:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10787 states to 10787 states and 14255 transitions. [2024-11-16 08:34:58,650 INFO L78 Accepts]: Start accepts. Automaton has 10787 states and 14255 transitions. Word has length 86 [2024-11-16 08:34:58,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:58,650 INFO L471 AbstractCegarLoop]: Abstraction has 10787 states and 14255 transitions. [2024-11-16 08:34:58,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 10787 states and 14255 transitions. [2024-11-16 08:34:58,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-16 08:34:58,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:58,655 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:58,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-16 08:34:58,655 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:58,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:58,655 INFO L85 PathProgramCache]: Analyzing trace with hash -338530732, now seen corresponding path program 1 times [2024-11-16 08:34:58,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:58,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845906439] [2024-11-16 08:34:58,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:58,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:58,726 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 08:34:58,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:58,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845906439] [2024-11-16 08:34:58,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845906439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:58,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:58,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:58,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875658755] [2024-11-16 08:34:58,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:58,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:58,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:58,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:58,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:58,728 INFO L87 Difference]: Start difference. First operand 10787 states and 14255 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:58,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:58,798 INFO L93 Difference]: Finished difference Result 29679 states and 39433 transitions. [2024-11-16 08:34:58,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:58,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-16 08:34:58,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:58,816 INFO L225 Difference]: With dead ends: 29679 [2024-11-16 08:34:58,816 INFO L226 Difference]: Without dead ends: 19877 [2024-11-16 08:34:58,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:58,826 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 141 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:58,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 776 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:34:58,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19877 states. [2024-11-16 08:34:58,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19877 to 18883. [2024-11-16 08:34:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18883 states, 18882 states have (on average 1.3190869611269993) internal successors, (24907), 18882 states have internal predecessors, (24907), 0 states have call successors, (0), 0 states 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 08:34:58,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18883 states to 18883 states and 24907 transitions. [2024-11-16 08:34:58,985 INFO L78 Accepts]: Start accepts. Automaton has 18883 states and 24907 transitions. Word has length 87 [2024-11-16 08:34:58,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:58,986 INFO L471 AbstractCegarLoop]: Abstraction has 18883 states and 24907 transitions. [2024-11-16 08:34:58,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:58,986 INFO L276 IsEmpty]: Start isEmpty. Operand 18883 states and 24907 transitions. [2024-11-16 08:34:58,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-16 08:34:58,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:58,989 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:58,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-16 08:34:58,990 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:58,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:58,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2068734606, now seen corresponding path program 1 times [2024-11-16 08:34:58,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:58,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981389478] [2024-11-16 08:34:58,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:58,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:59,059 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 08:34:59,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:59,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981389478] [2024-11-16 08:34:59,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981389478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:59,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:59,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:34:59,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009359007] [2024-11-16 08:34:59,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:59,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:34:59,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:59,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:34:59,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:34:59,060 INFO L87 Difference]: Start difference. First operand 18883 states and 24907 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:59,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:59,189 INFO L93 Difference]: Finished difference Result 53255 states and 70349 transitions. [2024-11-16 08:34:59,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:34:59,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-16 08:34:59,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:59,225 INFO L225 Difference]: With dead ends: 53255 [2024-11-16 08:34:59,225 INFO L226 Difference]: Without dead ends: 35357 [2024-11-16 08:34:59,243 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 08:34:59,243 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 109 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:59,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 771 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:34:59,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35357 states. [2024-11-16 08:34:59,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35357 to 33371. [2024-11-16 08:34:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33371 states, 33370 states have (on average 1.3112076715612826) internal successors, (43755), 33370 states have internal predecessors, (43755), 0 states have call successors, (0), 0 states 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 08:34:59,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33371 states to 33371 states and 43755 transitions. [2024-11-16 08:34:59,574 INFO L78 Accepts]: Start accepts. Automaton has 33371 states and 43755 transitions. Word has length 90 [2024-11-16 08:34:59,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:34:59,574 INFO L471 AbstractCegarLoop]: Abstraction has 33371 states and 43755 transitions. [2024-11-16 08:34:59,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:59,575 INFO L276 IsEmpty]: Start isEmpty. Operand 33371 states and 43755 transitions. [2024-11-16 08:34:59,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-16 08:34:59,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:34:59,578 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:34:59,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-16 08:34:59,578 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:34:59,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:34:59,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1910626806, now seen corresponding path program 1 times [2024-11-16 08:34:59,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:34:59,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294513432] [2024-11-16 08:34:59,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:34:59,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:34:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:34:59,734 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 08:34:59,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:34:59,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294513432] [2024-11-16 08:34:59,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294513432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:34:59,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:34:59,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:34:59,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890802671] [2024-11-16 08:34:59,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:34:59,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:34:59,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:34:59,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:34:59,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:34:59,736 INFO L87 Difference]: Start difference. First operand 33371 states and 43755 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:34:59,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:34:59,818 INFO L93 Difference]: Finished difference Result 36317 states and 47436 transitions. [2024-11-16 08:34:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:34:59,818 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-16 08:34:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:34:59,854 INFO L225 Difference]: With dead ends: 36317 [2024-11-16 08:34:59,854 INFO L226 Difference]: Without dead ends: 36315 [2024-11-16 08:34:59,864 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 08:34:59,865 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 0 mSDsluCounter, 1558 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1950 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:34:59,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1950 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:34:59,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36315 states. [2024-11-16 08:35:00,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36315 to 36315. [2024-11-16 08:35:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36315 states, 36314 states have (on average 1.2859778597785978) internal successors, (46699), 36314 states have internal predecessors, (46699), 0 states have call successors, (0), 0 states 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 08:35:00,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36315 states to 36315 states and 46699 transitions. [2024-11-16 08:35:00,314 INFO L78 Accepts]: Start accepts. Automaton has 36315 states and 46699 transitions. Word has length 91 [2024-11-16 08:35:00,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:35:00,314 INFO L471 AbstractCegarLoop]: Abstraction has 36315 states and 46699 transitions. [2024-11-16 08:35:00,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:00,315 INFO L276 IsEmpty]: Start isEmpty. Operand 36315 states and 46699 transitions. [2024-11-16 08:35:00,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 08:35:00,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:35:00,319 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:35:00,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-16 08:35:00,319 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:35:00,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:35:00,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1186763390, now seen corresponding path program 1 times [2024-11-16 08:35:00,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:35:00,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47950025] [2024-11-16 08:35:00,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:35:00,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:35:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:35:00,369 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 08:35:00,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:35:00,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47950025] [2024-11-16 08:35:00,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47950025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:35:00,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:35:00,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:35:00,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054495636] [2024-11-16 08:35:00,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:35:00,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:35:00,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:35:00,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:35:00,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:35:00,371 INFO L87 Difference]: Start difference. First operand 36315 states and 46699 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:00,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:35:00,795 INFO L93 Difference]: Finished difference Result 99423 states and 127917 transitions. [2024-11-16 08:35:00,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:35:00,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-16 08:35:00,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:35:00,886 INFO L225 Difference]: With dead ends: 99423 [2024-11-16 08:35:00,886 INFO L226 Difference]: Without dead ends: 64093 [2024-11-16 08:35:00,911 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 08:35:00,912 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 269 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:35:00,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 579 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:35:01,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64093 states. [2024-11-16 08:35:01,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64093 to 63355. [2024-11-16 08:35:01,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63355 states, 63354 states have (on average 1.2651924108974966) internal successors, (80155), 63354 states have internal predecessors, (80155), 0 states have call successors, (0), 0 states 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 08:35:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63355 states to 63355 states and 80155 transitions. [2024-11-16 08:35:01,653 INFO L78 Accepts]: Start accepts. Automaton has 63355 states and 80155 transitions. Word has length 92 [2024-11-16 08:35:01,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:35:01,654 INFO L471 AbstractCegarLoop]: Abstraction has 63355 states and 80155 transitions. [2024-11-16 08:35:01,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:01,654 INFO L276 IsEmpty]: Start isEmpty. Operand 63355 states and 80155 transitions. [2024-11-16 08:35:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 08:35:01,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:35:01,659 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:35:01,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-16 08:35:01,659 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:35:01,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:35:01,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1896022712, now seen corresponding path program 1 times [2024-11-16 08:35:01,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:35:01,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272114753] [2024-11-16 08:35:01,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:35:01,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:35:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:35:01,874 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 08:35:01,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:35:01,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272114753] [2024-11-16 08:35:01,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272114753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:35:01,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:35:01,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:35:01,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826893112] [2024-11-16 08:35:01,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:35:01,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:35:01,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:35:01,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:35:01,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:35:01,875 INFO L87 Difference]: Start difference. First operand 63355 states and 80155 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:02,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:35:02,432 INFO L93 Difference]: Finished difference Result 162959 states and 205453 transitions. [2024-11-16 08:35:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:35:02,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-16 08:35:02,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:35:02,557 INFO L225 Difference]: With dead ends: 162959 [2024-11-16 08:35:02,557 INFO L226 Difference]: Without dead ends: 100589 [2024-11-16 08:35:02,580 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 08:35:02,581 INFO L432 NwaCegarLoop]: 494 mSDtfsCounter, 175 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:35:02,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 798 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:35:02,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100589 states. [2024-11-16 08:35:03,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100589 to 94187. [2024-11-16 08:35:03,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94187 states, 94186 states have (on average 1.24972925912556) internal successors, (117707), 94186 states have internal predecessors, (117707), 0 states have call successors, (0), 0 states 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 08:35:03,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94187 states to 94187 states and 117707 transitions. [2024-11-16 08:35:03,965 INFO L78 Accepts]: Start accepts. Automaton has 94187 states and 117707 transitions. Word has length 94 [2024-11-16 08:35:03,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:35:03,965 INFO L471 AbstractCegarLoop]: Abstraction has 94187 states and 117707 transitions. [2024-11-16 08:35:03,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:03,966 INFO L276 IsEmpty]: Start isEmpty. Operand 94187 states and 117707 transitions. [2024-11-16 08:35:03,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 08:35:03,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:35:03,976 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:35:03,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-16 08:35:03,977 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:35:03,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:35:03,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1180668049, now seen corresponding path program 1 times [2024-11-16 08:35:03,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:35:03,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504927328] [2024-11-16 08:35:03,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:35:03,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:35:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:35:04,109 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 08:35:04,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:35:04,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504927328] [2024-11-16 08:35:04,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504927328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:35:04,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:35:04,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:35:04,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078384104] [2024-11-16 08:35:04,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:35:04,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:35:04,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:35:04,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:35:04,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:35:04,111 INFO L87 Difference]: Start difference. First operand 94187 states and 117707 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:04,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:35:04,455 INFO L93 Difference]: Finished difference Result 151881 states and 190692 transitions. [2024-11-16 08:35:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:35:04,456 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-16 08:35:04,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:35:04,852 INFO L225 Difference]: With dead ends: 151881 [2024-11-16 08:35:04,852 INFO L226 Difference]: Without dead ends: 132511 [2024-11-16 08:35:04,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:35:04,870 INFO L432 NwaCegarLoop]: 491 mSDtfsCounter, 1402 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1402 SdHoareTripleChecker+Valid, 1424 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:35:04,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1402 Valid, 1424 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:35:04,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132511 states. [2024-11-16 08:35:05,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132511 to 109139. [2024-11-16 08:35:06,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109139 states, 109138 states have (on average 1.2476955780754642) internal successors, (136171), 109138 states have internal predecessors, (136171), 0 states have call successors, (0), 0 states 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 08:35:06,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109139 states to 109139 states and 136171 transitions. [2024-11-16 08:35:06,266 INFO L78 Accepts]: Start accepts. Automaton has 109139 states and 136171 transitions. Word has length 94 [2024-11-16 08:35:06,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:35:06,266 INFO L471 AbstractCegarLoop]: Abstraction has 109139 states and 136171 transitions. [2024-11-16 08:35:06,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:06,267 INFO L276 IsEmpty]: Start isEmpty. Operand 109139 states and 136171 transitions. [2024-11-16 08:35:06,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-16 08:35:06,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:35:06,271 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:35:06,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-16 08:35:06,271 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:35:06,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:35:06,272 INFO L85 PathProgramCache]: Analyzing trace with hash 119551677, now seen corresponding path program 1 times [2024-11-16 08:35:06,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:35:06,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113227255] [2024-11-16 08:35:06,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:35:06,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:35:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:35:06,393 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 08:35:06,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:35:06,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113227255] [2024-11-16 08:35:06,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113227255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:35:06,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:35:06,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:35:06,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913317539] [2024-11-16 08:35:06,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:35:06,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:35:06,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:35:06,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:35:06,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:35:06,395 INFO L87 Difference]: Start difference. First operand 109139 states and 136171 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:07,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:35:07,241 INFO L93 Difference]: Finished difference Result 158121 states and 198132 transitions. [2024-11-16 08:35:07,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:35:07,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-16 08:35:07,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:35:07,468 INFO L225 Difference]: With dead ends: 158121 [2024-11-16 08:35:07,468 INFO L226 Difference]: Without dead ends: 138751 [2024-11-16 08:35:07,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:35:07,502 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 1410 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1410 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:35:07,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1410 Valid, 1399 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:35:07,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138751 states. [2024-11-16 08:35:08,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138751 to 124091. [2024-11-16 08:35:08,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124091 states, 124090 states have (on average 1.2461519864614392) internal successors, (154635), 124090 states have internal predecessors, (154635), 0 states have call successors, (0), 0 states 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 08:35:09,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124091 states to 124091 states and 154635 transitions. [2024-11-16 08:35:09,209 INFO L78 Accepts]: Start accepts. Automaton has 124091 states and 154635 transitions. Word has length 95 [2024-11-16 08:35:09,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:35:09,209 INFO L471 AbstractCegarLoop]: Abstraction has 124091 states and 154635 transitions. [2024-11-16 08:35:09,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:09,209 INFO L276 IsEmpty]: Start isEmpty. Operand 124091 states and 154635 transitions. [2024-11-16 08:35:09,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 08:35:09,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:35:09,212 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:35:09,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-16 08:35:09,213 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:35:09,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:35:09,213 INFO L85 PathProgramCache]: Analyzing trace with hash 617772698, now seen corresponding path program 1 times [2024-11-16 08:35:09,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:35:09,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785299022] [2024-11-16 08:35:09,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:35:09,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:35:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:35:09,319 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 08:35:09,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:35:09,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785299022] [2024-11-16 08:35:09,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785299022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:35:09,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:35:09,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:35:09,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622648250] [2024-11-16 08:35:09,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:35:09,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:35:09,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:35:09,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:35:09,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:35:09,321 INFO L87 Difference]: Start difference. First operand 124091 states and 154635 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:09,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:35:09,767 INFO L93 Difference]: Finished difference Result 184065 states and 230556 transitions. [2024-11-16 08:35:09,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:35:09,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-16 08:35:09,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:35:09,964 INFO L225 Difference]: With dead ends: 184065 [2024-11-16 08:35:09,964 INFO L226 Difference]: Without dead ends: 154795 [2024-11-16 08:35:10,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:35:10,018 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 1448 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:35:10,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 1300 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:35:10,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154795 states. [2024-11-16 08:35:11,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154795 to 144471. [2024-11-16 08:35:11,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144471 states, 144470 states have (on average 1.244320620197965) internal successors, (179767), 144470 states have internal predecessors, (179767), 0 states have call successors, (0), 0 states 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 08:35:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144471 states to 144471 states and 179767 transitions. [2024-11-16 08:35:12,194 INFO L78 Accepts]: Start accepts. Automaton has 144471 states and 179767 transitions. Word has length 101 [2024-11-16 08:35:12,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:35:12,194 INFO L471 AbstractCegarLoop]: Abstraction has 144471 states and 179767 transitions. [2024-11-16 08:35:12,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 144471 states and 179767 transitions. [2024-11-16 08:35:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-16 08:35:12,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:35:12,209 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:35:12,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-16 08:35:12,209 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:35:12,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:35:12,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1417842851, now seen corresponding path program 1 times [2024-11-16 08:35:12,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:35:12,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45001450] [2024-11-16 08:35:12,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:35:12,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:35:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:35:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:35:12,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:35:12,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45001450] [2024-11-16 08:35:12,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45001450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:35:12,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508802817] [2024-11-16 08:35:12,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:35:12,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:35:12,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:35:12,285 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 08:35:12,286 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 08:35:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:35:12,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 08:35:12,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:35:12,738 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:35:12,739 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:35:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:35:12,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508802817] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:35:12,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:35:12,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-16 08:35:12,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879092650] [2024-11-16 08:35:12,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:35:12,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 08:35:12,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:35:12,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 08:35:12,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-16 08:35:12,873 INFO L87 Difference]: Start difference. First operand 144471 states and 179767 transitions. Second operand has 14 states, 14 states have (on average 22.357142857142858) internal successors, (313), 14 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:14,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:35:14,316 INFO L93 Difference]: Finished difference Result 303463 states and 378277 transitions. [2024-11-16 08:35:14,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:35:14,317 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 22.357142857142858) internal successors, (313), 14 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2024-11-16 08:35:14,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:35:14,516 INFO L225 Difference]: With dead ends: 303463 [2024-11-16 08:35:14,516 INFO L226 Difference]: Without dead ends: 159977 [2024-11-16 08:35:14,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 230 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 08:35:14,606 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 2497 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2497 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 08:35:14,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2497 Valid, 1511 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 08:35:14,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159977 states. [2024-11-16 08:35:16,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159977 to 139743. [2024-11-16 08:35:16,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139743 states, 139742 states have (on average 1.226023672195904) internal successors, (171327), 139742 states have internal predecessors, (171327), 0 states have call successors, (0), 0 states 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 08:35:16,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139743 states to 139743 states and 171327 transitions. [2024-11-16 08:35:16,845 INFO L78 Accepts]: Start accepts. Automaton has 139743 states and 171327 transitions. Word has length 119 [2024-11-16 08:35:16,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:35:16,846 INFO L471 AbstractCegarLoop]: Abstraction has 139743 states and 171327 transitions. [2024-11-16 08:35:16,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 22.357142857142858) internal successors, (313), 14 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 139743 states and 171327 transitions. [2024-11-16 08:35:16,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-16 08:35:16,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:35:16,867 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:35:16,881 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 08:35:17,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-16 08:35:17,068 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:35:17,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:35:17,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1733556046, now seen corresponding path program 1 times [2024-11-16 08:35:17,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:35:17,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000777216] [2024-11-16 08:35:17,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:35:17,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:35:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:35:17,392 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-16 08:35:17,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:35:17,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000777216] [2024-11-16 08:35:17,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000777216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:35:17,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:35:17,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:35:17,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22720327] [2024-11-16 08:35:17,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:35:17,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:35:17,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:35:17,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:35:17,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:35:17,393 INFO L87 Difference]: Start difference. First operand 139743 states and 171327 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:18,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:35:18,973 INFO L93 Difference]: Finished difference Result 274410 states and 335780 transitions. [2024-11-16 08:35:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:35:18,974 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2024-11-16 08:35:18,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:35:19,267 INFO L225 Difference]: With dead ends: 274410 [2024-11-16 08:35:19,267 INFO L226 Difference]: Without dead ends: 221600 [2024-11-16 08:35:19,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:35:19,321 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 1829 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:35:19,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1829 Valid, 1274 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:35:19,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221600 states. [2024-11-16 08:35:20,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221600 to 139691. [2024-11-16 08:35:21,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139691 states, 139690 states have (on average 1.2259932708139452) internal successors, (171259), 139690 states have internal predecessors, (171259), 0 states have call successors, (0), 0 states 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 08:35:21,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139691 states to 139691 states and 171259 transitions. [2024-11-16 08:35:21,672 INFO L78 Accepts]: Start accepts. Automaton has 139691 states and 171259 transitions. Word has length 120 [2024-11-16 08:35:21,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:35:21,672 INFO L471 AbstractCegarLoop]: Abstraction has 139691 states and 171259 transitions. [2024-11-16 08:35:21,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:21,672 INFO L276 IsEmpty]: Start isEmpty. Operand 139691 states and 171259 transitions. [2024-11-16 08:35:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-16 08:35:21,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:35:21,688 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:35:21,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-16 08:35:21,688 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:35:21,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:35:21,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1700319651, now seen corresponding path program 1 times [2024-11-16 08:35:21,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:35:21,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077142016] [2024-11-16 08:35:21,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:35:21,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:35:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:35:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-16 08:35:21,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:35:21,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077142016] [2024-11-16 08:35:21,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077142016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:35:21,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:35:21,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:35:21,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346747916] [2024-11-16 08:35:21,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:35:21,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:35:21,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:35:21,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:35:21,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:35:21,899 INFO L87 Difference]: Start difference. First operand 139691 states and 171259 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:23,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:35:23,490 INFO L93 Difference]: Finished difference Result 298007 states and 364885 transitions. [2024-11-16 08:35:23,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:35:23,491 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2024-11-16 08:35:23,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:35:23,835 INFO L225 Difference]: With dead ends: 298007 [2024-11-16 08:35:23,836 INFO L226 Difference]: Without dead ends: 230169 [2024-11-16 08:35:23,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:35:23,906 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 1703 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1703 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:35:23,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1703 Valid, 1412 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:35:24,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230169 states. [2024-11-16 08:35:25,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230169 to 139667. [2024-11-16 08:35:25,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139667 states, 139666 states have (on average 1.2259461859006486) internal successors, (171223), 139666 states have internal predecessors, (171223), 0 states have call successors, (0), 0 states 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 08:35:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139667 states to 139667 states and 171223 transitions. [2024-11-16 08:35:26,030 INFO L78 Accepts]: Start accepts. Automaton has 139667 states and 171223 transitions. Word has length 120 [2024-11-16 08:35:26,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:35:26,031 INFO L471 AbstractCegarLoop]: Abstraction has 139667 states and 171223 transitions. [2024-11-16 08:35:26,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:35:26,031 INFO L276 IsEmpty]: Start isEmpty. Operand 139667 states and 171223 transitions. [2024-11-16 08:35:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-16 08:35:26,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:35:26,047 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:35:26,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-16 08:35:26,047 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:35:26,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:35:26,048 INFO L85 PathProgramCache]: Analyzing trace with hash 314691700, now seen corresponding path program 1 times [2024-11-16 08:35:26,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:35:26,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104696778] [2024-11-16 08:35:26,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:35:26,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:35:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:35:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:35:26,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:35:26,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104696778] [2024-11-16 08:35:26,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104696778] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:35:26,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707554628] [2024-11-16 08:35:26,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:35:26,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:35:26,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:35:26,786 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 08:35:26,787 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 08:35:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:35:27,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-16 08:35:27,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:35:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:35:27,895 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:35:29,044 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:35:29,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707554628] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:35:29,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:35:29,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 28 [2024-11-16 08:35:29,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087525887] [2024-11-16 08:35:29,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:35:29,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-16 08:35:29,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:35:29,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-16 08:35:29,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=691, Unknown=0, NotChecked=0, Total=812 [2024-11-16 08:35:29,046 INFO L87 Difference]: Start difference. First operand 139667 states and 171223 transitions. Second operand has 29 states, 29 states have (on average 10.379310344827585) internal successors, (301), 28 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)