./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-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.3.1.ufo.UNBOUNDED.pals.c.v+sep-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 7f3df0b4eae1d513bdc1ba52a53496aa05ff593bd28211e99c6fbfee672a86c9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 08:38:12,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:38:12,337 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:38:12,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:38:12,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:38:12,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:38:12,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:38:12,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:38:12,395 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:38:12,397 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:38:12,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:38:12,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:38:12,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:38:12,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:38:12,403 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:38:12,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:38:12,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:38:12,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:38:12,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:38:12,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:38:12,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:38:12,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:38:12,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:38:12,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:38:12,408 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:38:12,408 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:38:12,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:38:12,409 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:38:12,409 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:38:12,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:38:12,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:38:12,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:38:12,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:38:12,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:38:12,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:38:12,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:38:12,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:38:12,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:38:12,412 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:38:12,413 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:38:12,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:38:12,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:38:12,414 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f3df0b4eae1d513bdc1ba52a53496aa05ff593bd28211e99c6fbfee672a86c9 [2024-11-16 08:38:12,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:38:12,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:38:12,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:38:12,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:38:12,712 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:38:12,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-16 08:38:14,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:38:14,402 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:38:14,405 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-16 08:38:14,420 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07ef0cda7/560396d3dd3f49a0ae30207d245b76b6/FLAGd289acbe5 [2024-11-16 08:38:14,431 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07ef0cda7/560396d3dd3f49a0ae30207d245b76b6 [2024-11-16 08:38:14,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:38:14,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:38:14,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:38:14,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:38:14,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:38:14,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:38:14" (1/1) ... [2024-11-16 08:38:14,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547b20ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:14, skipping insertion in model container [2024-11-16 08:38:14,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:38:14" (1/1) ... [2024-11-16 08:38:14,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:38:14,760 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[5819,5832] [2024-11-16 08:38:14,780 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[8492,8505] [2024-11-16 08:38:14,825 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11299,11312] [2024-11-16 08:38:14,843 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[13874,13887] [2024-11-16 08:38:14,881 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16880,16893] [2024-11-16 08:38:14,925 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[19470,19483] [2024-11-16 08:38:14,948 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[22230,22243] [2024-11-16 08:38:15,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:38:15,015 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:38:15,057 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[5819,5832] [2024-11-16 08:38:15,069 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[8492,8505] [2024-11-16 08:38:15,096 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11299,11312] [2024-11-16 08:38:15,108 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[13874,13887] [2024-11-16 08:38:15,116 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16880,16893] [2024-11-16 08:38:15,122 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[19470,19483] [2024-11-16 08:38:15,129 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[22230,22243] [2024-11-16 08:38:15,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:38:15,175 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:38:15,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15 WrapperNode [2024-11-16 08:38:15,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:38:15,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:38:15,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:38:15,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:38:15,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15" (1/1) ... [2024-11-16 08:38:15,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15" (1/1) ... [2024-11-16 08:38:15,274 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1340 [2024-11-16 08:38:15,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:38:15,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:38:15,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:38:15,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:38:15,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15" (1/1) ... [2024-11-16 08:38:15,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15" (1/1) ... [2024-11-16 08:38:15,291 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15" (1/1) ... [2024-11-16 08:38:15,325 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 08:38:15,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15" (1/1) ... [2024-11-16 08:38:15,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15" (1/1) ... [2024-11-16 08:38:15,353 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15" (1/1) ... [2024-11-16 08:38:15,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15" (1/1) ... [2024-11-16 08:38:15,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15" (1/1) ... [2024-11-16 08:38:15,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15" (1/1) ... [2024-11-16 08:38:15,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:38:15,390 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:38:15,390 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:38:15,390 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:38:15,391 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15" (1/1) ... [2024-11-16 08:38:15,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:38:15,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:38:15,433 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 08:38:15,436 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 08:38:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:38:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:38:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:38:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:38:15,642 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:38:15,644 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:38:16,662 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L763: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1;havoc main_~node3__m3~4#1;havoc main_~node2__m2~3#1;havoc main_~node1__m1~3#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2024-11-16 08:38:16,663 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L533: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1;havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-16 08:38:16,663 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1097: havoc main_~node3____CPAchecker_TMP_0~2#1;havoc main_~node3__m3~6#1; [2024-11-16 08:38:16,663 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1659: havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~13#1;havoc main_~node3__m3~10#1;havoc main_~node2__m2~8#1;havoc main_~node1__m1~7#1;havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~12#1; [2024-11-16 08:38:16,664 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L308: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1;havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1;havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-16 08:38:16,665 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2092: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-16 08:38:16,665 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L641: havoc main_~node3____CPAchecker_TMP_0~1#1;havoc main_~node3__m3~3#1; [2024-11-16 08:38:16,666 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1434: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~11#1;havoc main_~node3__m3~8#1;havoc main_~node2__m2~7#1;havoc main_~node1__m1~6#1;havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~10#1; [2024-11-16 08:38:16,666 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L146: havoc main_~node1____CPAchecker_TMP_0~0#1;havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-16 08:38:16,666 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1534: havoc main_~node3____CPAchecker_TMP_0~3#1;havoc main_~node3__m3~9#1; [2024-11-16 08:38:16,666 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L180: havoc main_~node3____CPAchecker_TMP_0~0#1;havoc main_~node3__m3~0#1; [2024-11-16 08:38:16,667 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2063: havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-16 08:38:16,667 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L977: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1;havoc main_~node3__m3~5#1;havoc main_~node2__m2~4#1;havoc main_~node1__m1~4#1;havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2024-11-16 08:38:16,667 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2035: havoc main_~node3____CPAchecker_TMP_0~4#1; [2024-11-16 08:38:16,668 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1870: havoc main_~node1__m1~9#1;havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~15#1;havoc main_~node3__m3~11#1;havoc main_~node2__m2~9#1;havoc main_~node1__m1~8#1;havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~14#1; [2024-11-16 08:38:16,668 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080: havoc main_~node2____CPAchecker_TMP_0~1#1;havoc main_~node2__m2~5#1; [2024-11-16 08:38:16,668 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1944: havoc main_~node3__m3~12#1; [2024-11-16 08:38:16,668 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1912: havoc main_~node2__m2~10#1; [2024-11-16 08:38:16,668 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1219: havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~9#1;havoc main_~node3__m3~7#1;havoc main_~node2__m2~6#1;havoc main_~node1__m1~5#1;havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2024-11-16 08:38:16,668 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L163: havoc main_~node2____CPAchecker_TMP_0~0#1;havoc main_~node2__m2~0#1; [2024-11-16 08:38:16,668 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1982: havoc main_~check__tmp~16#1; [2024-11-16 08:38:16,720 INFO L? ?]: Removed 222 outVars from TransFormulas that were not future-live. [2024-11-16 08:38:16,720 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:38:16,738 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:38:16,738 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:38:16,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:38:16 BoogieIcfgContainer [2024-11-16 08:38:16,739 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:38:16,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:38:16,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:38:16,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:38:16,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:38:14" (1/3) ... [2024-11-16 08:38:16,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b98f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:38:16, skipping insertion in model container [2024-11-16 08:38:16,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:38:15" (2/3) ... [2024-11-16 08:38:16,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b98f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:38:16, skipping insertion in model container [2024-11-16 08:38:16,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:38:16" (3/3) ... [2024-11-16 08:38:16,747 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-16 08:38:16,761 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:38:16,761 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-16 08:38:16,831 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:38:16,838 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;@15aff320, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:38:16,838 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-16 08:38:16,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 289 states, 281 states have (on average 1.7615658362989324) internal successors, (495), 288 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:16,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-16 08:38:16,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:16,862 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] [2024-11-16 08:38:16,863 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:16,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:16,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1651256948, now seen corresponding path program 1 times [2024-11-16 08:38:16,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:16,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231663518] [2024-11-16 08:38:16,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:16,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:17,402 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 08:38:17,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:17,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231663518] [2024-11-16 08:38:17,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231663518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:17,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:17,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:38:17,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953048890] [2024-11-16 08:38:17,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:17,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:38:17,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:17,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:38:17,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:38:17,434 INFO L87 Difference]: Start difference. First operand has 289 states, 281 states have (on average 1.7615658362989324) internal successors, (495), 288 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:17,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:17,797 INFO L93 Difference]: Finished difference Result 494 states and 809 transitions. [2024-11-16 08:38:17,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:38:17,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-16 08:38:17,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:17,815 INFO L225 Difference]: With dead ends: 494 [2024-11-16 08:38:17,815 INFO L226 Difference]: Without dead ends: 326 [2024-11-16 08:38:17,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:38:17,823 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 1385 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1385 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:17,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1385 Valid, 362 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:38:17,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-16 08:38:17,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 299. [2024-11-16 08:38:17,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 292 states have (on average 1.3150684931506849) internal successors, (384), 298 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 384 transitions. [2024-11-16 08:38:17,871 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 384 transitions. Word has length 47 [2024-11-16 08:38:17,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:17,871 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 384 transitions. [2024-11-16 08:38:17,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:17,872 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 384 transitions. [2024-11-16 08:38:17,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-16 08:38:17,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:17,874 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] [2024-11-16 08:38:17,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 08:38:17,875 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:17,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:17,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1204766799, now seen corresponding path program 1 times [2024-11-16 08:38:17,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:17,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468162169] [2024-11-16 08:38:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:17,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:18,033 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 08:38:18,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:18,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468162169] [2024-11-16 08:38:18,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468162169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:18,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:18,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:38:18,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174598940] [2024-11-16 08:38:18,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:18,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:38:18,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:18,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:38:18,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:38:18,039 INFO L87 Difference]: Start difference. First operand 299 states and 384 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:18,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:18,176 INFO L93 Difference]: Finished difference Result 422 states and 552 transitions. [2024-11-16 08:38:18,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:38:18,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-16 08:38:18,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:18,179 INFO L225 Difference]: With dead ends: 422 [2024-11-16 08:38:18,179 INFO L226 Difference]: Without dead ends: 241 [2024-11-16 08:38:18,180 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 08:38:18,182 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 600 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:18,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 142 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:38:18,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-16 08:38:18,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-11-16 08:38:18,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 234 states have (on average 1.3247863247863247) internal successors, (310), 240 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:18,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 310 transitions. [2024-11-16 08:38:18,204 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 310 transitions. Word has length 47 [2024-11-16 08:38:18,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:18,204 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 310 transitions. [2024-11-16 08:38:18,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:18,205 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 310 transitions. [2024-11-16 08:38:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-16 08:38:18,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:18,206 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] [2024-11-16 08:38:18,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 08:38:18,206 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:18,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:18,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1580216958, now seen corresponding path program 1 times [2024-11-16 08:38:18,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:18,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122266603] [2024-11-16 08:38:18,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:18,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:38:18,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:18,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122266603] [2024-11-16 08:38:18,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122266603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:18,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:18,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:38:18,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646720967] [2024-11-16 08:38:18,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:18,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:38:18,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:18,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:38:18,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:38:18,357 INFO L87 Difference]: Start difference. First operand 241 states and 310 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:18,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:18,489 INFO L93 Difference]: Finished difference Result 376 states and 497 transitions. [2024-11-16 08:38:18,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:38:18,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-16 08:38:18,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:18,491 INFO L225 Difference]: With dead ends: 376 [2024-11-16 08:38:18,491 INFO L226 Difference]: Without dead ends: 233 [2024-11-16 08:38:18,492 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 08:38:18,493 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 557 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:18,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 139 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:38:18,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-16 08:38:18,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-16 08:38:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 226 states have (on average 1.323008849557522) internal successors, (299), 232 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:18,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 299 transitions. [2024-11-16 08:38:18,514 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 299 transitions. Word has length 47 [2024-11-16 08:38:18,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:18,516 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 299 transitions. [2024-11-16 08:38:18,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 299 transitions. [2024-11-16 08:38:18,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-16 08:38:18,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:18,518 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] [2024-11-16 08:38:18,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 08:38:18,518 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:18,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:18,521 INFO L85 PathProgramCache]: Analyzing trace with hash -692719679, now seen corresponding path program 1 times [2024-11-16 08:38:18,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:18,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930393639] [2024-11-16 08:38:18,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:18,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:18,904 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 08:38:18,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:18,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930393639] [2024-11-16 08:38:18,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930393639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:18,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:18,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 08:38:18,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433065353] [2024-11-16 08:38:18,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:18,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 08:38:18,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:18,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 08:38:18,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:38:18,910 INFO L87 Difference]: Start difference. First operand 233 states and 299 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:19,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:19,179 INFO L93 Difference]: Finished difference Result 502 states and 659 transitions. [2024-11-16 08:38:19,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:38:19,180 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2024-11-16 08:38:19,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:19,182 INFO L225 Difference]: With dead ends: 502 [2024-11-16 08:38:19,182 INFO L226 Difference]: Without dead ends: 366 [2024-11-16 08:38:19,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:38:19,183 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 843 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:19,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [843 Valid, 429 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:38:19,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-16 08:38:19,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 233. [2024-11-16 08:38:19,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 226 states have (on average 1.3185840707964602) internal successors, (298), 232 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:19,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 298 transitions. [2024-11-16 08:38:19,197 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 298 transitions. Word has length 49 [2024-11-16 08:38:19,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:19,198 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 298 transitions. [2024-11-16 08:38:19,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 298 transitions. [2024-11-16 08:38:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-16 08:38:19,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:19,202 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] [2024-11-16 08:38:19,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 08:38:19,203 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:19,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:19,203 INFO L85 PathProgramCache]: Analyzing trace with hash 958973473, now seen corresponding path program 1 times [2024-11-16 08:38:19,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:19,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766252303] [2024-11-16 08:38:19,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:19,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:19,429 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 08:38:19,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:19,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766252303] [2024-11-16 08:38:19,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766252303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:19,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:19,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:38:19,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544253373] [2024-11-16 08:38:19,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:19,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:38:19,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:19,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:38:19,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:38:19,434 INFO L87 Difference]: Start difference. First operand 233 states and 298 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:19,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:19,791 INFO L93 Difference]: Finished difference Result 395 states and 527 transitions. [2024-11-16 08:38:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:38:19,792 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2024-11-16 08:38:19,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:19,793 INFO L225 Difference]: With dead ends: 395 [2024-11-16 08:38:19,793 INFO L226 Difference]: Without dead ends: 284 [2024-11-16 08:38:19,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:38:19,795 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 434 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:19,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 535 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:38:19,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-16 08:38:19,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 233. [2024-11-16 08:38:19,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 226 states have (on average 1.3141592920353982) internal successors, (297), 232 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 297 transitions. [2024-11-16 08:38:19,801 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 297 transitions. Word has length 49 [2024-11-16 08:38:19,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:19,802 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 297 transitions. [2024-11-16 08:38:19,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 297 transitions. [2024-11-16 08:38:19,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-16 08:38:19,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:19,803 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] [2024-11-16 08:38:19,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 08:38:19,804 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:19,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:19,804 INFO L85 PathProgramCache]: Analyzing trace with hash 494491009, now seen corresponding path program 1 times [2024-11-16 08:38:19,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:19,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065863172] [2024-11-16 08:38:19,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:19,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:20,083 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 08:38:20,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:20,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065863172] [2024-11-16 08:38:20,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065863172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:20,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:20,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:38:20,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339855609] [2024-11-16 08:38:20,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:20,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:38:20,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:20,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:38:20,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:38:20,085 INFO L87 Difference]: Start difference. First operand 233 states and 297 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:20,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:20,492 INFO L93 Difference]: Finished difference Result 391 states and 505 transitions. [2024-11-16 08:38:20,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:38:20,493 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2024-11-16 08:38:20,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:20,494 INFO L225 Difference]: With dead ends: 391 [2024-11-16 08:38:20,494 INFO L226 Difference]: Without dead ends: 385 [2024-11-16 08:38:20,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:38:20,496 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 905 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:20,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 741 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:38:20,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-16 08:38:20,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 233. [2024-11-16 08:38:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 226 states have (on average 1.3097345132743363) internal successors, (296), 232 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:20,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 296 transitions. [2024-11-16 08:38:20,509 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 296 transitions. Word has length 49 [2024-11-16 08:38:20,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:20,510 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 296 transitions. [2024-11-16 08:38:20,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:20,510 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 296 transitions. [2024-11-16 08:38:20,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-16 08:38:20,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:20,511 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] [2024-11-16 08:38:20,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 08:38:20,511 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:20,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:20,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1185497049, now seen corresponding path program 1 times [2024-11-16 08:38:20,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:20,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539972898] [2024-11-16 08:38:20,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:20,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:21,063 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 08:38:21,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:21,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539972898] [2024-11-16 08:38:21,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539972898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:21,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:21,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 08:38:21,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448631344] [2024-11-16 08:38:21,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:21,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:38:21,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:21,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:38:21,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:38:21,066 INFO L87 Difference]: Start difference. First operand 233 states and 296 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:21,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:21,604 INFO L93 Difference]: Finished difference Result 372 states and 500 transitions. [2024-11-16 08:38:21,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:38:21,605 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2024-11-16 08:38:21,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:21,606 INFO L225 Difference]: With dead ends: 372 [2024-11-16 08:38:21,607 INFO L226 Difference]: Without dead ends: 268 [2024-11-16 08:38:21,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-16 08:38:21,608 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 850 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:21,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 920 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:38:21,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-16 08:38:21,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 221. [2024-11-16 08:38:21,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 215 states have (on average 1.3116279069767443) internal successors, (282), 220 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:21,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 282 transitions. [2024-11-16 08:38:21,617 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 282 transitions. Word has length 50 [2024-11-16 08:38:21,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:21,617 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 282 transitions. [2024-11-16 08:38:21,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:21,617 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 282 transitions. [2024-11-16 08:38:21,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-16 08:38:21,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:21,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:21,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 08:38:21,620 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:21,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:21,621 INFO L85 PathProgramCache]: Analyzing trace with hash -843949105, now seen corresponding path program 1 times [2024-11-16 08:38:21,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:21,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303878575] [2024-11-16 08:38:21,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:21,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:22,185 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 08:38:22,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:22,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303878575] [2024-11-16 08:38:22,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303878575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:22,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:22,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 08:38:22,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278524340] [2024-11-16 08:38:22,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:22,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:38:22,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:22,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:38:22,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:38:22,187 INFO L87 Difference]: Start difference. First operand 221 states and 282 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:22,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:22,778 INFO L93 Difference]: Finished difference Result 463 states and 617 transitions. [2024-11-16 08:38:22,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:38:22,779 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-16 08:38:22,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:22,781 INFO L225 Difference]: With dead ends: 463 [2024-11-16 08:38:22,781 INFO L226 Difference]: Without dead ends: 446 [2024-11-16 08:38:22,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:38:22,782 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 696 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:22,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 1720 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:38:22,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-16 08:38:22,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 204. [2024-11-16 08:38:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 200 states have (on average 1.31) internal successors, (262), 203 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2024-11-16 08:38:22,789 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 51 [2024-11-16 08:38:22,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:22,789 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2024-11-16 08:38:22,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:22,790 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2024-11-16 08:38:22,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-16 08:38:22,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:22,790 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] [2024-11-16 08:38:22,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 08:38:22,791 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:22,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:22,791 INFO L85 PathProgramCache]: Analyzing trace with hash -846828129, now seen corresponding path program 1 times [2024-11-16 08:38:22,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:22,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008400025] [2024-11-16 08:38:22,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:22,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:23,248 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 08:38:23,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:23,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008400025] [2024-11-16 08:38:23,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008400025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:23,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:23,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 08:38:23,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675239723] [2024-11-16 08:38:23,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:23,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 08:38:23,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:23,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 08:38:23,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-16 08:38:23,252 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:23,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:23,544 INFO L93 Difference]: Finished difference Result 404 states and 550 transitions. [2024-11-16 08:38:23,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 08:38:23,545 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-16 08:38:23,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:23,546 INFO L225 Difference]: With dead ends: 404 [2024-11-16 08:38:23,546 INFO L226 Difference]: Without dead ends: 288 [2024-11-16 08:38:23,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2024-11-16 08:38:23,548 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 608 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:23,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 477 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:38:23,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-16 08:38:23,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 180. [2024-11-16 08:38:23,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 178 states have (on average 1.3146067415730338) internal successors, (234), 179 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 234 transitions. [2024-11-16 08:38:23,553 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 234 transitions. Word has length 51 [2024-11-16 08:38:23,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:23,554 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 234 transitions. [2024-11-16 08:38:23,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:23,554 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 234 transitions. [2024-11-16 08:38:23,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-16 08:38:23,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:23,554 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:23,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 08:38:23,555 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:23,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:23,555 INFO L85 PathProgramCache]: Analyzing trace with hash 603996977, now seen corresponding path program 1 times [2024-11-16 08:38:23,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:23,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058396371] [2024-11-16 08:38:23,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:23,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:23,884 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 08:38:23,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:23,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058396371] [2024-11-16 08:38:23,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058396371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:23,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:23,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 08:38:23,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651551400] [2024-11-16 08:38:23,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:23,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 08:38:23,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:23,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 08:38:23,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-16 08:38:23,886 INFO L87 Difference]: Start difference. First operand 180 states and 234 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:24,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:24,261 INFO L93 Difference]: Finished difference Result 343 states and 460 transitions. [2024-11-16 08:38:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:38:24,261 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2024-11-16 08:38:24,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:24,262 INFO L225 Difference]: With dead ends: 343 [2024-11-16 08:38:24,262 INFO L226 Difference]: Without dead ends: 217 [2024-11-16 08:38:24,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2024-11-16 08:38:24,263 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 391 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:24,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 483 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:38:24,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-16 08:38:24,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 180. [2024-11-16 08:38:24,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 178 states have (on average 1.303370786516854) internal successors, (232), 179 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:24,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 232 transitions. [2024-11-16 08:38:24,268 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 232 transitions. Word has length 53 [2024-11-16 08:38:24,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:24,268 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 232 transitions. [2024-11-16 08:38:24,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:24,268 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2024-11-16 08:38:24,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-16 08:38:24,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:24,269 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:24,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 08:38:24,269 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:24,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:24,270 INFO L85 PathProgramCache]: Analyzing trace with hash -377340880, now seen corresponding path program 1 times [2024-11-16 08:38:24,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:24,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498549622] [2024-11-16 08:38:24,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:24,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:25,086 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 08:38:25,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:25,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498549622] [2024-11-16 08:38:25,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498549622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:25,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:25,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-16 08:38:25,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286605120] [2024-11-16 08:38:25,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:25,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 08:38:25,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:25,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 08:38:25,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:38:25,088 INFO L87 Difference]: Start difference. First operand 180 states and 232 transitions. Second operand has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:25,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:25,926 INFO L93 Difference]: Finished difference Result 193 states and 247 transitions. [2024-11-16 08:38:25,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 08:38:25,927 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-16 08:38:25,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:25,930 INFO L225 Difference]: With dead ends: 193 [2024-11-16 08:38:25,930 INFO L226 Difference]: Without dead ends: 187 [2024-11-16 08:38:25,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=178, Invalid=814, Unknown=0, NotChecked=0, Total=992 [2024-11-16 08:38:25,931 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 365 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:25,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 1110 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:38:25,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-16 08:38:25,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-16 08:38:25,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 185 states have (on average 1.3027027027027027) internal successors, (241), 186 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:25,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 241 transitions. [2024-11-16 08:38:25,936 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 241 transitions. Word has length 55 [2024-11-16 08:38:25,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:25,936 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 241 transitions. [2024-11-16 08:38:25,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:25,937 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 241 transitions. [2024-11-16 08:38:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:38:25,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:25,937 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:25,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 08:38:25,938 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:25,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:25,938 INFO L85 PathProgramCache]: Analyzing trace with hash 844455853, now seen corresponding path program 1 times [2024-11-16 08:38:25,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:25,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945222234] [2024-11-16 08:38:25,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:25,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:26,729 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 08:38:26,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:26,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945222234] [2024-11-16 08:38:26,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945222234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:26,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:26,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 08:38:26,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812274652] [2024-11-16 08:38:26,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:26,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 08:38:26,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:26,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 08:38:26,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-16 08:38:26,732 INFO L87 Difference]: Start difference. First operand 187 states and 241 transitions. Second operand has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:27,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:27,457 INFO L93 Difference]: Finished difference Result 308 states and 408 transitions. [2024-11-16 08:38:27,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 08:38:27,458 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-16 08:38:27,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:27,460 INFO L225 Difference]: With dead ends: 308 [2024-11-16 08:38:27,460 INFO L226 Difference]: Without dead ends: 302 [2024-11-16 08:38:27,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=149, Invalid=663, Unknown=0, NotChecked=0, Total=812 [2024-11-16 08:38:27,461 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 310 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1654 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:27,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1654 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:38:27,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-16 08:38:27,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 187. [2024-11-16 08:38:27,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 185 states have (on average 1.2972972972972974) internal successors, (240), 186 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 240 transitions. [2024-11-16 08:38:27,466 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 240 transitions. Word has length 56 [2024-11-16 08:38:27,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:27,467 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 240 transitions. [2024-11-16 08:38:27,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 240 transitions. [2024-11-16 08:38:27,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:38:27,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:27,468 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:27,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 08:38:27,469 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:27,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:27,469 INFO L85 PathProgramCache]: Analyzing trace with hash -2036941017, now seen corresponding path program 1 times [2024-11-16 08:38:27,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:27,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202770267] [2024-11-16 08:38:27,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:27,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:27,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:38:27,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:27,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202770267] [2024-11-16 08:38:27,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202770267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:27,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:27,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 08:38:27,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681696319] [2024-11-16 08:38:27,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:27,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:38:27,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:27,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:38:27,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:38:27,894 INFO L87 Difference]: Start difference. First operand 187 states and 240 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:28,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:28,357 INFO L93 Difference]: Finished difference Result 302 states and 401 transitions. [2024-11-16 08:38:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:38:28,357 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-16 08:38:28,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:28,359 INFO L225 Difference]: With dead ends: 302 [2024-11-16 08:38:28,359 INFO L226 Difference]: Without dead ends: 296 [2024-11-16 08:38:28,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:38:28,360 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 484 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:28,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 1037 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:38:28,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-16 08:38:28,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 174. [2024-11-16 08:38:28,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.300578034682081) internal successors, (225), 173 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 225 transitions. [2024-11-16 08:38:28,364 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 225 transitions. Word has length 56 [2024-11-16 08:38:28,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:28,364 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 225 transitions. [2024-11-16 08:38:28,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:28,365 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 225 transitions. [2024-11-16 08:38:28,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-16 08:38:28,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:28,365 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 08:38:28,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 08:38:28,366 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:28,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:28,366 INFO L85 PathProgramCache]: Analyzing trace with hash 981607885, now seen corresponding path program 1 times [2024-11-16 08:38:28,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:28,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627332112] [2024-11-16 08:38:28,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:28,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:28,442 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 08:38:28,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:28,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627332112] [2024-11-16 08:38:28,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627332112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:28,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:28,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:38:28,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605087303] [2024-11-16 08:38:28,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:28,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:38:28,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:28,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:38:28,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:38:28,445 INFO L87 Difference]: Start difference. First operand 174 states and 225 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 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 08:38:28,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:28,521 INFO L93 Difference]: Finished difference Result 726 states and 1041 transitions. [2024-11-16 08:38:28,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 08:38:28,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 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 08:38:28,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:28,524 INFO L225 Difference]: With dead ends: 726 [2024-11-16 08:38:28,525 INFO L226 Difference]: Without dead ends: 634 [2024-11-16 08:38:28,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:38:28,526 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 519 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:28,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 544 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:38:28,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-11-16 08:38:28,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 264. [2024-11-16 08:38:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 263 states have (on average 1.3536121673003803) internal successors, (356), 263 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:28,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 356 transitions. [2024-11-16 08:38:28,535 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 356 transitions. Word has length 74 [2024-11-16 08:38:28,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:28,537 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 356 transitions. [2024-11-16 08:38:28,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 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 08:38:28,537 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 356 transitions. [2024-11-16 08:38:28,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-16 08:38:28,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:28,538 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 08:38:28,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 08:38:28,538 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:28,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:28,539 INFO L85 PathProgramCache]: Analyzing trace with hash 823685937, now seen corresponding path program 1 times [2024-11-16 08:38:28,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:28,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017894740] [2024-11-16 08:38:28,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:28,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:38:28,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:28,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017894740] [2024-11-16 08:38:28,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017894740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:28,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:28,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:38:28,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826082613] [2024-11-16 08:38:28,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:28,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:38:28,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:28,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:38:28,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:38:28,650 INFO L87 Difference]: Start difference. First operand 264 states and 356 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 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 08:38:28,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:28,713 INFO L93 Difference]: Finished difference Result 902 states and 1289 transitions. [2024-11-16 08:38:28,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:38:28,714 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 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 08:38:28,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:28,716 INFO L225 Difference]: With dead ends: 902 [2024-11-16 08:38:28,716 INFO L226 Difference]: Without dead ends: 720 [2024-11-16 08:38:28,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:38:28,718 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 304 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:28,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 476 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:38:28,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-16 08:38:28,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 444. [2024-11-16 08:38:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 443 states have (on average 1.399548532731377) internal successors, (620), 443 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 620 transitions. [2024-11-16 08:38:28,729 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 620 transitions. Word has length 76 [2024-11-16 08:38:28,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:28,729 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 620 transitions. [2024-11-16 08:38:28,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 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 08:38:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 620 transitions. [2024-11-16 08:38:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-16 08:38:28,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:28,730 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 08:38:28,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 08:38:28,731 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:28,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:28,731 INFO L85 PathProgramCache]: Analyzing trace with hash -19946575, now seen corresponding path program 1 times [2024-11-16 08:38:28,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:28,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829429157] [2024-11-16 08:38:28,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:28,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:28,831 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 08:38:28,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:28,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829429157] [2024-11-16 08:38:28,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829429157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:28,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:28,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:38:28,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683615393] [2024-11-16 08:38:28,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:28,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:38:28,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:28,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:38:28,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:38:28,836 INFO L87 Difference]: Start difference. First operand 444 states and 620 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 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 08:38:28,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:28,895 INFO L93 Difference]: Finished difference Result 1082 states and 1553 transitions. [2024-11-16 08:38:28,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:38:28,896 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 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 08:38:28,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:28,899 INFO L225 Difference]: With dead ends: 1082 [2024-11-16 08:38:28,900 INFO L226 Difference]: Without dead ends: 900 [2024-11-16 08:38:28,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:38:28,901 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 314 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:28,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 464 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:38:28,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2024-11-16 08:38:28,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 714. [2024-11-16 08:38:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 713 states have (on average 1.423562412342216) internal successors, (1015), 713 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1015 transitions. [2024-11-16 08:38:28,917 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1015 transitions. Word has length 76 [2024-11-16 08:38:28,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:28,917 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 1015 transitions. [2024-11-16 08:38:28,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 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 08:38:28,917 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1015 transitions. [2024-11-16 08:38:28,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-16 08:38:28,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:28,919 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:28,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 08:38:28,919 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:28,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:28,919 INFO L85 PathProgramCache]: Analyzing trace with hash -73609985, now seen corresponding path program 1 times [2024-11-16 08:38:28,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:28,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816362887] [2024-11-16 08:38:28,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:28,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:28,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:38:28,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:28,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816362887] [2024-11-16 08:38:28,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816362887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:28,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:28,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:38:28,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585499088] [2024-11-16 08:38:28,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:28,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:38:28,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:28,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:38:28,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:38:28,973 INFO L87 Difference]: Start difference. First operand 714 states and 1015 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:28,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:28,999 INFO L93 Difference]: Finished difference Result 1348 states and 1942 transitions. [2024-11-16 08:38:28,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:38:28,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-16 08:38:29,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:29,002 INFO L225 Difference]: With dead ends: 1348 [2024-11-16 08:38:29,002 INFO L226 Difference]: Without dead ends: 716 [2024-11-16 08:38:29,003 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 08:38:29,003 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 56 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:29,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 219 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:38:29,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2024-11-16 08:38:29,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 714. [2024-11-16 08:38:29,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 713 states have (on average 1.4123422159887797) internal successors, (1007), 713 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:29,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1007 transitions. [2024-11-16 08:38:29,016 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1007 transitions. Word has length 77 [2024-11-16 08:38:29,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:29,016 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 1007 transitions. [2024-11-16 08:38:29,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1007 transitions. [2024-11-16 08:38:29,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-16 08:38:29,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:29,017 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:29,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 08:38:29,018 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:29,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:29,018 INFO L85 PathProgramCache]: Analyzing trace with hash 56995440, now seen corresponding path program 1 times [2024-11-16 08:38:29,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:29,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236400596] [2024-11-16 08:38:29,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:29,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:29,069 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 08:38:29,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:29,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236400596] [2024-11-16 08:38:29,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236400596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:29,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:29,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:38:29,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441136358] [2024-11-16 08:38:29,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:29,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:38:29,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:29,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:38:29,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:38:29,071 INFO L87 Difference]: Start difference. First operand 714 states and 1007 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:29,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:29,102 INFO L93 Difference]: Finished difference Result 1882 states and 2687 transitions. [2024-11-16 08:38:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:38:29,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-16 08:38:29,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:29,107 INFO L225 Difference]: With dead ends: 1882 [2024-11-16 08:38:29,107 INFO L226 Difference]: Without dead ends: 1250 [2024-11-16 08:38:29,108 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 08:38:29,109 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 85 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:29,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 217 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:38:29,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2024-11-16 08:38:29,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1234. [2024-11-16 08:38:29,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 1233 states have (on average 1.3933495539334955) internal successors, (1718), 1233 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1718 transitions. [2024-11-16 08:38:29,129 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1718 transitions. Word has length 77 [2024-11-16 08:38:29,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:29,130 INFO L471 AbstractCegarLoop]: Abstraction has 1234 states and 1718 transitions. [2024-11-16 08:38:29,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1718 transitions. [2024-11-16 08:38:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-16 08:38:29,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:29,131 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:29,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 08:38:29,132 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:29,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:29,132 INFO L85 PathProgramCache]: Analyzing trace with hash 893147358, now seen corresponding path program 1 times [2024-11-16 08:38:29,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:29,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050294243] [2024-11-16 08:38:29,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:29,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:29,225 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 08:38:29,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:29,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050294243] [2024-11-16 08:38:29,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050294243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:29,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:29,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:38:29,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842092527] [2024-11-16 08:38:29,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:29,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:38:29,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:29,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:38:29,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:38:29,229 INFO L87 Difference]: Start difference. First operand 1234 states and 1718 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:29,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:29,296 INFO L93 Difference]: Finished difference Result 2226 states and 3126 transitions. [2024-11-16 08:38:29,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:38:29,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-16 08:38:29,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:29,302 INFO L225 Difference]: With dead ends: 2226 [2024-11-16 08:38:29,302 INFO L226 Difference]: Without dead ends: 1896 [2024-11-16 08:38:29,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:38:29,304 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 299 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:29,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 534 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:38:29,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2024-11-16 08:38:29,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1562. [2024-11-16 08:38:29,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1561 states have (on average 1.3978219090326713) internal successors, (2182), 1561 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:29,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2182 transitions. [2024-11-16 08:38:29,333 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2182 transitions. Word has length 77 [2024-11-16 08:38:29,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:29,334 INFO L471 AbstractCegarLoop]: Abstraction has 1562 states and 2182 transitions. [2024-11-16 08:38:29,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:29,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2182 transitions. [2024-11-16 08:38:29,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-16 08:38:29,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:29,335 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:29,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 08:38:29,336 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:29,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:29,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1459083243, now seen corresponding path program 1 times [2024-11-16 08:38:29,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:29,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177990732] [2024-11-16 08:38:29,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:29,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:29,467 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 08:38:29,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:29,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177990732] [2024-11-16 08:38:29,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177990732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:29,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:29,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:38:29,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672656826] [2024-11-16 08:38:29,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:29,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:38:29,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:29,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:38:29,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:38:29,469 INFO L87 Difference]: Start difference. First operand 1562 states and 2182 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 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 08:38:29,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:29,717 INFO L93 Difference]: Finished difference Result 5188 states and 7392 transitions. [2024-11-16 08:38:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:38:29,718 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 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 08:38:29,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:29,730 INFO L225 Difference]: With dead ends: 5188 [2024-11-16 08:38:29,731 INFO L226 Difference]: Without dead ends: 3708 [2024-11-16 08:38:29,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:38:29,735 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 557 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:29,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 315 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:38:29,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3708 states. [2024-11-16 08:38:29,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3708 to 2896. [2024-11-16 08:38:29,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2896 states, 2895 states have (on average 1.4010362694300518) internal successors, (4056), 2895 states have internal predecessors, (4056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 4056 transitions. [2024-11-16 08:38:29,809 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 4056 transitions. Word has length 78 [2024-11-16 08:38:29,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:29,810 INFO L471 AbstractCegarLoop]: Abstraction has 2896 states and 4056 transitions. [2024-11-16 08:38:29,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 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 08:38:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 4056 transitions. [2024-11-16 08:38:29,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-16 08:38:29,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:29,812 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] [2024-11-16 08:38:29,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 08:38:29,812 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:29,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:29,813 INFO L85 PathProgramCache]: Analyzing trace with hash -244722533, now seen corresponding path program 1 times [2024-11-16 08:38:29,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:29,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104458553] [2024-11-16 08:38:29,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:29,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:38:29,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:29,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104458553] [2024-11-16 08:38:29,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104458553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:29,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:29,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:38:29,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854714466] [2024-11-16 08:38:29,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:29,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:38:29,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:29,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:38:29,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:38:29,924 INFO L87 Difference]: Start difference. First operand 2896 states and 4056 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:30,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:30,148 INFO L93 Difference]: Finished difference Result 9604 states and 13610 transitions. [2024-11-16 08:38:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:38:30,149 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-11-16 08:38:30,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:30,171 INFO L225 Difference]: With dead ends: 9604 [2024-11-16 08:38:30,171 INFO L226 Difference]: Without dead ends: 6790 [2024-11-16 08:38:30,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:38:30,177 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 661 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:30,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 252 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:38:30,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6790 states. [2024-11-16 08:38:30,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6790 to 6248. [2024-11-16 08:38:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6248 states, 6247 states have (on average 1.4051544741475908) internal successors, (8778), 6247 states have internal predecessors, (8778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:30,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6248 states to 6248 states and 8778 transitions. [2024-11-16 08:38:30,303 INFO L78 Accepts]: Start accepts. Automaton has 6248 states and 8778 transitions. Word has length 79 [2024-11-16 08:38:30,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:30,304 INFO L471 AbstractCegarLoop]: Abstraction has 6248 states and 8778 transitions. [2024-11-16 08:38:30,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:30,304 INFO L276 IsEmpty]: Start isEmpty. Operand 6248 states and 8778 transitions. [2024-11-16 08:38:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-16 08:38:30,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:30,306 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:30,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 08:38:30,306 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:30,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:30,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1526092522, now seen corresponding path program 1 times [2024-11-16 08:38:30,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:30,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589956451] [2024-11-16 08:38:30,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:30,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:30,422 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 08:38:30,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:30,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589956451] [2024-11-16 08:38:30,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589956451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:30,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:30,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:38:30,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974985358] [2024-11-16 08:38:30,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:30,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:38:30,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:30,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:38:30,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:38:30,425 INFO L87 Difference]: Start difference. First operand 6248 states and 8778 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:30,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:30,466 INFO L93 Difference]: Finished difference Result 11768 states and 16496 transitions. [2024-11-16 08:38:30,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:38:30,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2024-11-16 08:38:30,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:30,493 INFO L225 Difference]: With dead ends: 11768 [2024-11-16 08:38:30,493 INFO L226 Difference]: Without dead ends: 5602 [2024-11-16 08:38:30,505 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 08:38:30,506 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 59 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:30,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 271 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:38:30,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5602 states. [2024-11-16 08:38:30,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5602 to 4482. [2024-11-16 08:38:30,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4482 states, 4481 states have (on average 1.376032135683999) internal successors, (6166), 4481 states have internal predecessors, (6166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4482 states to 4482 states and 6166 transitions. [2024-11-16 08:38:30,595 INFO L78 Accepts]: Start accepts. Automaton has 4482 states and 6166 transitions. Word has length 80 [2024-11-16 08:38:30,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:30,596 INFO L471 AbstractCegarLoop]: Abstraction has 4482 states and 6166 transitions. [2024-11-16 08:38:30,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:30,596 INFO L276 IsEmpty]: Start isEmpty. Operand 4482 states and 6166 transitions. [2024-11-16 08:38:30,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-16 08:38:30,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:30,597 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] [2024-11-16 08:38:30,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 08:38:30,597 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:30,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:30,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1121079415, now seen corresponding path program 1 times [2024-11-16 08:38:30,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:30,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605458938] [2024-11-16 08:38:30,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:30,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:30,689 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 08:38:30,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:30,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605458938] [2024-11-16 08:38:30,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605458938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:30,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:30,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:38:30,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018456127] [2024-11-16 08:38:30,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:30,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:38:30,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:30,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:38:30,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:38:30,692 INFO L87 Difference]: Start difference. First operand 4482 states and 6166 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:30,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:30,733 INFO L93 Difference]: Finished difference Result 12760 states and 17474 transitions. [2024-11-16 08:38:30,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:38:30,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2024-11-16 08:38:30,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:30,753 INFO L225 Difference]: With dead ends: 12760 [2024-11-16 08:38:30,754 INFO L226 Difference]: Without dead ends: 8360 [2024-11-16 08:38:30,761 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 08:38:30,762 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 49 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:30,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 274 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:38:30,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8360 states. [2024-11-16 08:38:30,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8360 to 7674. [2024-11-16 08:38:30,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7674 states, 7673 states have (on average 1.3585299100742865) internal successors, (10424), 7673 states have internal predecessors, (10424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7674 states to 7674 states and 10424 transitions. [2024-11-16 08:38:30,892 INFO L78 Accepts]: Start accepts. Automaton has 7674 states and 10424 transitions. Word has length 81 [2024-11-16 08:38:30,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:30,892 INFO L471 AbstractCegarLoop]: Abstraction has 7674 states and 10424 transitions. [2024-11-16 08:38:30,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:30,893 INFO L276 IsEmpty]: Start isEmpty. Operand 7674 states and 10424 transitions. [2024-11-16 08:38:30,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-16 08:38:30,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:30,894 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:38:30,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 08:38:30,894 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:30,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:30,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1725721622, now seen corresponding path program 1 times [2024-11-16 08:38:30,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:30,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454743604] [2024-11-16 08:38:30,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:30,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:31,100 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 08:38:31,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:31,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454743604] [2024-11-16 08:38:31,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454743604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:31,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:31,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:38:31,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291619769] [2024-11-16 08:38:31,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:31,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:38:31,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:31,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:38:31,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:38:31,102 INFO L87 Difference]: Start difference. First operand 7674 states and 10424 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:31,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:31,140 INFO L93 Difference]: Finished difference Result 8108 states and 10953 transitions. [2024-11-16 08:38:31,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:38:31,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2024-11-16 08:38:31,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:31,155 INFO L225 Difference]: With dead ends: 8108 [2024-11-16 08:38:31,155 INFO L226 Difference]: Without dead ends: 8106 [2024-11-16 08:38:31,159 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 08:38:31,159 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:31,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 634 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:38:31,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8106 states. [2024-11-16 08:38:31,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8106 to 8106. [2024-11-16 08:38:31,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8106 states, 8105 states have (on average 1.3320172732880937) internal successors, (10796), 8105 states have internal predecessors, (10796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8106 states to 8106 states and 10796 transitions. [2024-11-16 08:38:31,285 INFO L78 Accepts]: Start accepts. Automaton has 8106 states and 10796 transitions. Word has length 82 [2024-11-16 08:38:31,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:31,285 INFO L471 AbstractCegarLoop]: Abstraction has 8106 states and 10796 transitions. [2024-11-16 08:38:31,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 8106 states and 10796 transitions. [2024-11-16 08:38:31,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-16 08:38:31,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:31,287 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] [2024-11-16 08:38:31,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 08:38:31,287 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:31,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:31,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1705325282, now seen corresponding path program 1 times [2024-11-16 08:38:31,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:31,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809708399] [2024-11-16 08:38:31,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:31,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:31,392 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 08:38:31,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:31,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809708399] [2024-11-16 08:38:31,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809708399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:31,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:31,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:38:31,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764341804] [2024-11-16 08:38:31,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:31,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:38:31,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:31,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:38:31,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:38:31,395 INFO L87 Difference]: Start difference. First operand 8106 states and 10796 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:31,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:31,636 INFO L93 Difference]: Finished difference Result 16744 states and 22332 transitions. [2024-11-16 08:38:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:38:31,637 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2024-11-16 08:38:31,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:31,652 INFO L225 Difference]: With dead ends: 16744 [2024-11-16 08:38:31,652 INFO L226 Difference]: Without dead ends: 8720 [2024-11-16 08:38:31,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:38:31,660 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 523 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:31,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 283 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:38:31,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8720 states. [2024-11-16 08:38:31,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8720 to 8052. [2024-11-16 08:38:31,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8052 states, 8051 states have (on average 1.3208297105949571) internal successors, (10634), 8051 states have internal predecessors, (10634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8052 states to 8052 states and 10634 transitions. [2024-11-16 08:38:31,779 INFO L78 Accepts]: Start accepts. Automaton has 8052 states and 10634 transitions. Word has length 82 [2024-11-16 08:38:31,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:31,780 INFO L471 AbstractCegarLoop]: Abstraction has 8052 states and 10634 transitions. [2024-11-16 08:38:31,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 8052 states and 10634 transitions. [2024-11-16 08:38:31,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-16 08:38:31,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:31,781 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 08:38:31,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 08:38:31,781 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:31,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:31,782 INFO L85 PathProgramCache]: Analyzing trace with hash 385317574, now seen corresponding path program 1 times [2024-11-16 08:38:31,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:31,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225796539] [2024-11-16 08:38:31,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:31,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:31,867 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 08:38:31,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:31,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225796539] [2024-11-16 08:38:31,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225796539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:31,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:31,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:38:31,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945111668] [2024-11-16 08:38:31,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:31,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:38:31,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:31,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:38:31,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:38:31,869 INFO L87 Difference]: Start difference. First operand 8052 states and 10634 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 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 08:38:31,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:31,918 INFO L93 Difference]: Finished difference Result 17378 states and 22928 transitions. [2024-11-16 08:38:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:38:31,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 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 08:38:31,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:31,935 INFO L225 Difference]: With dead ends: 17378 [2024-11-16 08:38:31,935 INFO L226 Difference]: Without dead ends: 9408 [2024-11-16 08:38:31,945 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 08:38:31,946 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 63 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:31,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 276 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:38:31,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9408 states. [2024-11-16 08:38:32,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9408 to 9118. [2024-11-16 08:38:32,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9118 states, 9117 states have (on average 1.2988921794449928) internal successors, (11842), 9117 states have internal predecessors, (11842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9118 states to 9118 states and 11842 transitions. [2024-11-16 08:38:32,067 INFO L78 Accepts]: Start accepts. Automaton has 9118 states and 11842 transitions. Word has length 83 [2024-11-16 08:38:32,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:32,068 INFO L471 AbstractCegarLoop]: Abstraction has 9118 states and 11842 transitions. [2024-11-16 08:38:32,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 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 08:38:32,068 INFO L276 IsEmpty]: Start isEmpty. Operand 9118 states and 11842 transitions. [2024-11-16 08:38:32,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-16 08:38:32,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:32,071 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 08:38:32,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 08:38:32,071 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:32,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:32,071 INFO L85 PathProgramCache]: Analyzing trace with hash 630862935, now seen corresponding path program 1 times [2024-11-16 08:38:32,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:32,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032080015] [2024-11-16 08:38:32,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:32,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:32,207 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:38:32,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:32,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032080015] [2024-11-16 08:38:32,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032080015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:32,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:32,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:38:32,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464057312] [2024-11-16 08:38:32,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:32,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:38:32,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:32,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:38:32,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:38:32,210 INFO L87 Difference]: Start difference. First operand 9118 states and 11842 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:32,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:32,267 INFO L93 Difference]: Finished difference Result 17508 states and 22552 transitions. [2024-11-16 08:38:32,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:38:32,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2024-11-16 08:38:32,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:32,281 INFO L225 Difference]: With dead ends: 17508 [2024-11-16 08:38:32,282 INFO L226 Difference]: Without dead ends: 8472 [2024-11-16 08:38:32,292 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 08:38:32,292 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 53 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:32,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 251 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:38:32,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8472 states. [2024-11-16 08:38:32,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8472 to 8470. [2024-11-16 08:38:32,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8470 states, 8469 states have (on average 1.2579997638446097) internal successors, (10654), 8469 states have internal predecessors, (10654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8470 states to 8470 states and 10654 transitions. [2024-11-16 08:38:32,436 INFO L78 Accepts]: Start accepts. Automaton has 8470 states and 10654 transitions. Word has length 105 [2024-11-16 08:38:32,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:32,436 INFO L471 AbstractCegarLoop]: Abstraction has 8470 states and 10654 transitions. [2024-11-16 08:38:32,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:32,437 INFO L276 IsEmpty]: Start isEmpty. Operand 8470 states and 10654 transitions. [2024-11-16 08:38:32,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-16 08:38:32,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:32,439 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:32,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 08:38:32,439 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:32,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:32,439 INFO L85 PathProgramCache]: Analyzing trace with hash 2076287488, now seen corresponding path program 1 times [2024-11-16 08:38:32,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:32,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043712712] [2024-11-16 08:38:32,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:32,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:33,043 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:38:33,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:33,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043712712] [2024-11-16 08:38:33,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043712712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:38:33,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109197796] [2024-11-16 08:38:33,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:33,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:38:33,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:38:33,047 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 08:38:33,048 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 08:38:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:33,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-16 08:38:33,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:38:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:38:33,948 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:38:34,609 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:38:34,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109197796] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:38:34,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:38:34,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 9] total 30 [2024-11-16 08:38:34,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568901273] [2024-11-16 08:38:34,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:38:34,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-16 08:38:34,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:34,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-16 08:38:34,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2024-11-16 08:38:34,612 INFO L87 Difference]: Start difference. First operand 8470 states and 10654 transitions. Second operand has 30 states, 30 states have (on average 9.666666666666666) internal successors, (290), 30 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:50,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:50,824 INFO L93 Difference]: Finished difference Result 137629 states and 172966 transitions. [2024-11-16 08:38:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-11-16 08:38:50,825 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 9.666666666666666) internal successors, (290), 30 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2024-11-16 08:38:50,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:51,088 INFO L225 Difference]: With dead ends: 137629 [2024-11-16 08:38:51,089 INFO L226 Difference]: Without dead ends: 129241 [2024-11-16 08:38:51,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48977 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=12360, Invalid=104262, Unknown=0, NotChecked=0, Total=116622 [2024-11-16 08:38:51,150 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 5758 mSDsluCounter, 3323 mSDsCounter, 0 mSdLazyCounter, 4982 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5758 SdHoareTripleChecker+Valid, 3478 SdHoareTripleChecker+Invalid, 5083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 4982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:51,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5758 Valid, 3478 Invalid, 5083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 4982 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-16 08:38:51,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129241 states. [2024-11-16 08:38:52,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129241 to 41661. [2024-11-16 08:38:52,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41661 states, 41660 states have (on average 1.2551368218915027) internal successors, (52289), 41660 states have internal predecessors, (52289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:52,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41661 states to 41661 states and 52289 transitions. [2024-11-16 08:38:52,486 INFO L78 Accepts]: Start accepts. Automaton has 41661 states and 52289 transitions. Word has length 106 [2024-11-16 08:38:52,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:52,487 INFO L471 AbstractCegarLoop]: Abstraction has 41661 states and 52289 transitions. [2024-11-16 08:38:52,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.666666666666666) internal successors, (290), 30 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:52,487 INFO L276 IsEmpty]: Start isEmpty. Operand 41661 states and 52289 transitions. [2024-11-16 08:38:52,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-16 08:38:52,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:52,493 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:52,513 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 08:38:52,694 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,SelfDestructingSolverStorable27 [2024-11-16 08:38:52,695 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:52,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:52,695 INFO L85 PathProgramCache]: Analyzing trace with hash -139868813, now seen corresponding path program 1 times [2024-11-16 08:38:52,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:52,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796019336] [2024-11-16 08:38:52,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:52,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:38:53,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:53,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796019336] [2024-11-16 08:38:53,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796019336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:38:53,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486251953] [2024-11-16 08:38:53,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:53,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:38:53,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:38:53,735 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 08:38:53,737 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 08:38:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:53,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-16 08:38:53,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:38:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-16 08:38:55,805 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 08:38:55,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486251953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:55,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 08:38:55,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [16] total 32 [2024-11-16 08:38:55,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715743625] [2024-11-16 08:38:55,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:55,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 08:38:55,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:55,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 08:38:55,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=856, Unknown=0, NotChecked=0, Total=992 [2024-11-16 08:38:55,808 INFO L87 Difference]: Start difference. First operand 41661 states and 52289 transitions. Second operand has 18 states, 18 states have (on average 5.611111111111111) internal successors, (101), 17 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 08:38:56,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:56,781 INFO L93 Difference]: Finished difference Result 103127 states and 129555 transitions. [2024-11-16 08:38:56,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 08:38:56,781 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.611111111111111) internal successors, (101), 17 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 107 [2024-11-16 08:38:56,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:56,856 INFO L225 Difference]: With dead ends: 103127 [2024-11-16 08:38:56,856 INFO L226 Difference]: Without dead ends: 61579 [2024-11-16 08:38:56,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=230, Invalid=1330, Unknown=0, NotChecked=0, Total=1560 [2024-11-16 08:38:56,878 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 375 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:56,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 668 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:38:56,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61579 states. [2024-11-16 08:38:57,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61579 to 41653. [2024-11-16 08:38:57,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41653 states, 41652 states have (on average 1.2551378085085951) internal successors, (52279), 41652 states have internal predecessors, (52279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:57,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41653 states to 41653 states and 52279 transitions. [2024-11-16 08:38:57,587 INFO L78 Accepts]: Start accepts. Automaton has 41653 states and 52279 transitions. Word has length 107 [2024-11-16 08:38:57,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:57,588 INFO L471 AbstractCegarLoop]: Abstraction has 41653 states and 52279 transitions. [2024-11-16 08:38:57,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.611111111111111) internal successors, (101), 17 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 08:38:57,588 INFO L276 IsEmpty]: Start isEmpty. Operand 41653 states and 52279 transitions. [2024-11-16 08:38:57,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-16 08:38:57,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:57,600 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:57,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 08:38:57,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-16 08:38:57,801 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:57,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:57,803 INFO L85 PathProgramCache]: Analyzing trace with hash -700054999, now seen corresponding path program 1 times [2024-11-16 08:38:57,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:57,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217230024] [2024-11-16 08:38:57,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:57,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:38:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-16 08:38:58,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:38:58,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217230024] [2024-11-16 08:38:58,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217230024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:38:58,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:38:58,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 08:38:58,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486647526] [2024-11-16 08:38:58,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:38:58,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:38:58,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:38:58,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:38:58,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:38:58,394 INFO L87 Difference]: Start difference. First operand 41653 states and 52279 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 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 08:38:59,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:38:59,134 INFO L93 Difference]: Finished difference Result 82706 states and 103472 transitions. [2024-11-16 08:38:59,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 08:38:59,135 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 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 107 [2024-11-16 08:38:59,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:38:59,208 INFO L225 Difference]: With dead ends: 82706 [2024-11-16 08:38:59,208 INFO L226 Difference]: Without dead ends: 62789 [2024-11-16 08:38:59,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-16 08:38:59,245 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 1614 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:38:59,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 563 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:38:59,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62789 states. [2024-11-16 08:38:59,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62789 to 41653. [2024-11-16 08:38:59,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41653 states, 41652 states have (on average 1.2551138000576203) internal successors, (52278), 41652 states have internal predecessors, (52278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:38:59,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41653 states to 41653 states and 52278 transitions. [2024-11-16 08:38:59,938 INFO L78 Accepts]: Start accepts. Automaton has 41653 states and 52278 transitions. Word has length 107 [2024-11-16 08:38:59,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:38:59,939 INFO L471 AbstractCegarLoop]: Abstraction has 41653 states and 52278 transitions. [2024-11-16 08:38:59,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 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 08:38:59,939 INFO L276 IsEmpty]: Start isEmpty. Operand 41653 states and 52278 transitions. [2024-11-16 08:38:59,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-16 08:38:59,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:38:59,944 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:38:59,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-16 08:38:59,944 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:38:59,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:38:59,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1997925264, now seen corresponding path program 1 times [2024-11-16 08:38:59,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:38:59,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367540520] [2024-11-16 08:38:59,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:38:59,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:38:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:00,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:00,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367540520] [2024-11-16 08:39:00,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367540520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:39:00,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966077404] [2024-11-16 08:39:00,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:00,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:39:00,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:39:00,687 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:39:00,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 08:39:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:00,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-16 08:39:00,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:39:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:01,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:39:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:02,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966077404] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:39:02,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:39:02,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 32 [2024-11-16 08:39:02,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351180763] [2024-11-16 08:39:02,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:39:02,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-16 08:39:02,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:02,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-16 08:39:02,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=930, Unknown=0, NotChecked=0, Total=1056 [2024-11-16 08:39:02,573 INFO L87 Difference]: Start difference. First operand 41653 states and 52278 transitions. Second operand has 33 states, 33 states have (on average 9.333333333333334) internal successors, (308), 32 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:03,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:03,452 INFO L93 Difference]: Finished difference Result 76641 states and 95872 transitions. [2024-11-16 08:39:03,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-16 08:39:03,453 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 9.333333333333334) internal successors, (308), 32 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2024-11-16 08:39:03,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:03,509 INFO L225 Difference]: With dead ends: 76641 [2024-11-16 08:39:03,510 INFO L226 Difference]: Without dead ends: 59181 [2024-11-16 08:39:03,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=604, Invalid=2152, Unknown=0, NotChecked=0, Total=2756 [2024-11-16 08:39:03,534 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 2205 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:03,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2205 Valid, 888 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:39:03,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59181 states. [2024-11-16 08:39:04,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59181 to 54463. [2024-11-16 08:39:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54463 states, 54462 states have (on average 1.2458962212184643) internal successors, (67854), 54462 states have internal predecessors, (67854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:04,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54463 states to 54463 states and 67854 transitions. [2024-11-16 08:39:04,284 INFO L78 Accepts]: Start accepts. Automaton has 54463 states and 67854 transitions. Word has length 108 [2024-11-16 08:39:04,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:04,284 INFO L471 AbstractCegarLoop]: Abstraction has 54463 states and 67854 transitions. [2024-11-16 08:39:04,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 9.333333333333334) internal successors, (308), 32 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:04,284 INFO L276 IsEmpty]: Start isEmpty. Operand 54463 states and 67854 transitions. [2024-11-16 08:39:04,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-16 08:39:04,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:04,292 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:04,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 08:39:04,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:39:04,497 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:39:04,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:04,497 INFO L85 PathProgramCache]: Analyzing trace with hash -855067770, now seen corresponding path program 1 times [2024-11-16 08:39:04,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:04,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091087999] [2024-11-16 08:39:04,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:04,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:04,562 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-16 08:39:04,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:04,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091087999] [2024-11-16 08:39:04,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091087999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:04,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:04,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:39:04,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005746753] [2024-11-16 08:39:04,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:04,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:39:04,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:04,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:39:04,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:39:04,565 INFO L87 Difference]: Start difference. First operand 54463 states and 67854 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:04,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:04,759 INFO L93 Difference]: Finished difference Result 93728 states and 117048 transitions. [2024-11-16 08:39:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:39:04,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2024-11-16 08:39:04,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:04,801 INFO L225 Difference]: With dead ends: 93728 [2024-11-16 08:39:04,801 INFO L226 Difference]: Without dead ends: 39399 [2024-11-16 08:39:04,836 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 08:39:04,836 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 90 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:04,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 110 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:39:04,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39399 states. [2024-11-16 08:39:05,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39399 to 39235. [2024-11-16 08:39:05,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39235 states, 39234 states have (on average 1.238007850333894) internal successors, (48572), 39234 states have internal predecessors, (48572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:05,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39235 states to 39235 states and 48572 transitions. [2024-11-16 08:39:05,410 INFO L78 Accepts]: Start accepts. Automaton has 39235 states and 48572 transitions. Word has length 108 [2024-11-16 08:39:05,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:05,410 INFO L471 AbstractCegarLoop]: Abstraction has 39235 states and 48572 transitions. [2024-11-16 08:39:05,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:05,410 INFO L276 IsEmpty]: Start isEmpty. Operand 39235 states and 48572 transitions. [2024-11-16 08:39:05,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-16 08:39:05,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:05,415 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:05,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-16 08:39:05,415 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:39:05,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:05,415 INFO L85 PathProgramCache]: Analyzing trace with hash 2093335770, now seen corresponding path program 1 times [2024-11-16 08:39:05,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:05,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969043702] [2024-11-16 08:39:05,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:05,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:05,678 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:05,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:05,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969043702] [2024-11-16 08:39:05,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969043702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:39:05,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574168767] [2024-11-16 08:39:05,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:05,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:39:05,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:39:05,681 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:39:05,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 08:39:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:06,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-16 08:39:06,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:39:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:06,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:39:07,583 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:07,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574168767] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:39:07,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:39:07,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 11] total 30 [2024-11-16 08:39:07,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555978766] [2024-11-16 08:39:07,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:39:07,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-16 08:39:07,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:07,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-16 08:39:07,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=781, Unknown=0, NotChecked=0, Total=870 [2024-11-16 08:39:07,586 INFO L87 Difference]: Start difference. First operand 39235 states and 48572 transitions. Second operand has 30 states, 30 states have (on average 9.966666666666667) internal successors, (299), 30 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:14,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:14,627 INFO L93 Difference]: Finished difference Result 128675 states and 158803 transitions. [2024-11-16 08:39:14,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-11-16 08:39:14,628 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 9.966666666666667) internal successors, (299), 30 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2024-11-16 08:39:14,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:14,721 INFO L225 Difference]: With dead ends: 128675 [2024-11-16 08:39:14,722 INFO L226 Difference]: Without dead ends: 96245 [2024-11-16 08:39:14,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10999 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=4755, Invalid=25695, Unknown=0, NotChecked=0, Total=30450 [2024-11-16 08:39:14,756 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 2264 mSDsluCounter, 3306 mSDsCounter, 0 mSdLazyCounter, 4009 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2264 SdHoareTripleChecker+Valid, 3508 SdHoareTripleChecker+Invalid, 4059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 4009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:14,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2264 Valid, 3508 Invalid, 4059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 4009 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-16 08:39:14,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96245 states. [2024-11-16 08:39:15,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96245 to 42257. [2024-11-16 08:39:15,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42257 states, 42256 states have (on average 1.2421667928814843) internal successors, (52489), 42256 states have internal predecessors, (52489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:15,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42257 states to 42257 states and 52489 transitions. [2024-11-16 08:39:15,408 INFO L78 Accepts]: Start accepts. Automaton has 42257 states and 52489 transitions. Word has length 108 [2024-11-16 08:39:15,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:15,409 INFO L471 AbstractCegarLoop]: Abstraction has 42257 states and 52489 transitions. [2024-11-16 08:39:15,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.966666666666667) internal successors, (299), 30 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:15,409 INFO L276 IsEmpty]: Start isEmpty. Operand 42257 states and 52489 transitions. [2024-11-16 08:39:15,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-16 08:39:15,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:15,624 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:15,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-16 08:39:15,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:39:15,825 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-16 08:39:15,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:15,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1507371738, now seen corresponding path program 1 times [2024-11-16 08:39:15,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:15,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360196917] [2024-11-16 08:39:15,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:15,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:16,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:16,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360196917] [2024-11-16 08:39:16,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360196917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:39:16,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992502086] [2024-11-16 08:39:16,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:16,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:39:16,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:39:16,250 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:39:16,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 08:39:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:16,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-16 08:39:16,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:39:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:17,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:39:17,774 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:17,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992502086] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:39:17,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:39:17,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 11] total 33 [2024-11-16 08:39:17,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777873074] [2024-11-16 08:39:17,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:39:17,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-16 08:39:17,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:17,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-16 08:39:17,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=963, Unknown=0, NotChecked=0, Total=1056 [2024-11-16 08:39:17,776 INFO L87 Difference]: Start difference. First operand 42257 states and 52489 transitions. Second operand has 33 states, 33 states have (on average 9.424242424242424) internal successors, (311), 33 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)