./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da0a9170cb1355df936e020ec31cd269723d3c83f610103689e93f9c7ac8eb3a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 08:28:17,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:28:17,871 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:28:17,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:28:17,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:28:17,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:28:17,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:28:17,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:28:17,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:28:17,926 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:28:17,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:28:17,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:28:17,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:28:17,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:28:17,928 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:28:17,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:28:17,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:28:17,928 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:28:17,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:28:17,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:28:17,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:28:17,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:28:17,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:28:17,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:28:17,934 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:28:17,934 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:28:17,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:28:17,934 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:28:17,935 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:28:17,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:28:17,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:28:17,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:28:17,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:28:17,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:28:17,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:28:17,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:28:17,936 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:28:17,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:28:17,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:28:17,937 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:28:17,937 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:28:17,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:28:17,937 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da0a9170cb1355df936e020ec31cd269723d3c83f610103689e93f9c7ac8eb3a [2024-11-16 08:28:18,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:28:18,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:28:18,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:28:18,166 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:28:18,167 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:28:18,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-16 08:28:19,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:28:19,691 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:28:19,691 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-16 08:28:19,705 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a42cf6054/fbd5cd44927440b4bc4e84fe21ffc31e/FLAG20b5e21e8 [2024-11-16 08:28:19,717 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a42cf6054/fbd5cd44927440b4bc4e84fe21ffc31e [2024-11-16 08:28:19,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:28:19,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:28:19,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:28:19,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:28:19,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:28:19,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:28:19" (1/1) ... [2024-11-16 08:28:19,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec1e6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:19, skipping insertion in model container [2024-11-16 08:28:19,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:28:19" (1/1) ... [2024-11-16 08:28:19,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:28:20,088 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2024-11-16 08:28:20,105 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2024-11-16 08:28:20,122 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2024-11-16 08:28:20,136 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2024-11-16 08:28:20,298 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2024-11-16 08:28:20,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:28:20,372 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:28:20,416 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2024-11-16 08:28:20,421 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2024-11-16 08:28:20,427 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2024-11-16 08:28:20,432 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2024-11-16 08:28:20,458 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2024-11-16 08:28:20,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:28:20,513 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:28:20,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20 WrapperNode [2024-11-16 08:28:20,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:28:20,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:28:20,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:28:20,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:28:20,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20" (1/1) ... [2024-11-16 08:28:20,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20" (1/1) ... [2024-11-16 08:28:20,586 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1639 [2024-11-16 08:28:20,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:28:20,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:28:20,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:28:20,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:28:20,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20" (1/1) ... [2024-11-16 08:28:20,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20" (1/1) ... [2024-11-16 08:28:20,601 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20" (1/1) ... [2024-11-16 08:28:20,622 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 08:28:20,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20" (1/1) ... [2024-11-16 08:28:20,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20" (1/1) ... [2024-11-16 08:28:20,637 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20" (1/1) ... [2024-11-16 08:28:20,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20" (1/1) ... [2024-11-16 08:28:20,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20" (1/1) ... [2024-11-16 08:28:20,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20" (1/1) ... [2024-11-16 08:28:20,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:28:20,650 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:28:20,650 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:28:20,651 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:28:20,651 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20" (1/1) ... [2024-11-16 08:28:20,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:28:20,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:28:20,680 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 08:28:20,694 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 08:28:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:28:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:28:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:28:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:28:20,864 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:28:20,866 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:28:21,834 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L830: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-16 08:28:21,835 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L700: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1;havoc main_~node3____CPAchecker_TMP_1~1#1;havoc main_~node3____CPAchecker_TMP_0~1#1;havoc main_~node2____CPAchecker_TMP_1~1#1;havoc main_~node2____CPAchecker_TMP_0~1#1;havoc main_~node1____CPAchecker_TMP_1~1#1;havoc main_~node1____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1;havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1;havoc main_~node2____CPAchecker_TMP_1~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1;havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r212~0#1, main_~init__tmp___1~0#1, main_~init__r232~0#1, main_~init__tmp___2~0#1, main_~init__r312~0#1, main_~init__tmp___3~0#1, main_~init__r322~0#1, main_~init__tmp___4~0#1, main_~init__tmp___5~0#1; [2024-11-16 08:28:21,835 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2024: havoc main_~check__tmp~10#1; [2024-11-16 08:28:21,835 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1170: havoc main_~check__tmp~7#1; [2024-11-16 08:28:21,835 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1440: havoc main_~node2____CPAchecker_TMP_1~2#1;havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-16 08:28:21,836 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1050: havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2024-11-16 08:28:21,836 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L985: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2024-11-16 08:28:21,836 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1852: havoc main_~check__tmp~9#1; [2024-11-16 08:28:21,836 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1334: havoc main_~node3____CPAchecker_TMP_1~2#1;havoc main_~node3____CPAchecker_TMP_0~2#1; [2024-11-16 08:28:21,836 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L875: havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2024-11-16 08:28:21,836 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2131: havoc main_~check__tmp~11#1; [2024-11-16 08:28:21,836 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1546: havoc main_~node1____CPAchecker_TMP_1~2#1;havoc main_~node1____CPAchecker_TMP_0~2#1; [2024-11-16 08:28:21,836 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1818: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~8#1; [2024-11-16 08:28:21,893 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-16 08:28:21,894 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:28:21,910 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:28:21,911 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:28:21,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:28:21 BoogieIcfgContainer [2024-11-16 08:28:21,911 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:28:21,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:28:21,913 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:28:21,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:28:21,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:28:19" (1/3) ... [2024-11-16 08:28:21,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313b3be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:28:21, skipping insertion in model container [2024-11-16 08:28:21,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:20" (2/3) ... [2024-11-16 08:28:21,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313b3be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:28:21, skipping insertion in model container [2024-11-16 08:28:21,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:28:21" (3/3) ... [2024-11-16 08:28:21,919 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-16 08:28:21,932 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:28:21,933 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-16 08:28:22,000 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:28:22,007 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;@6e4ee696, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:28:22,008 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-16 08:28:22,016 INFO L276 IsEmpty]: Start isEmpty. Operand has 452 states, 446 states have (on average 1.7062780269058295) internal successors, (761), 451 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:22,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-16 08:28:22,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:22,030 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:28:22,031 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:22,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:22,036 INFO L85 PathProgramCache]: Analyzing trace with hash -293897393, now seen corresponding path program 1 times [2024-11-16 08:28:22,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:22,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334448721] [2024-11-16 08:28:22,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:22,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:22,871 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 08:28:22,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:22,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334448721] [2024-11-16 08:28:22,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334448721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:22,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:22,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:28:22,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944193603] [2024-11-16 08:28:22,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:22,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:28:22,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:22,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:28:22,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:22,905 INFO L87 Difference]: Start difference. First operand has 452 states, 446 states have (on average 1.7062780269058295) internal successors, (761), 451 states have internal predecessors, (761), 0 states have call successors, (0), 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 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:23,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:23,171 INFO L93 Difference]: Finished difference Result 2163 states and 3668 transitions. [2024-11-16 08:28:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:28:23,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 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 159 [2024-11-16 08:28:23,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:23,190 INFO L225 Difference]: With dead ends: 2163 [2024-11-16 08:28:23,191 INFO L226 Difference]: Without dead ends: 1714 [2024-11-16 08:28:23,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:28:23,201 INFO L432 NwaCegarLoop]: 1330 mSDtfsCounter, 2202 mSDsluCounter, 2110 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2202 SdHoareTripleChecker+Valid, 3440 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:23,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2202 Valid, 3440 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:28:23,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2024-11-16 08:28:23,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 836. [2024-11-16 08:28:23,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 831 states have (on average 1.3778580024067388) internal successors, (1145), 835 states have internal predecessors, (1145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:23,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1145 transitions. [2024-11-16 08:28:23,270 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1145 transitions. Word has length 159 [2024-11-16 08:28:23,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:23,271 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1145 transitions. [2024-11-16 08:28:23,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:23,271 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1145 transitions. [2024-11-16 08:28:23,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-16 08:28:23,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:23,275 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:28:23,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 08:28:23,275 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:23,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:23,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1950182102, now seen corresponding path program 1 times [2024-11-16 08:28:23,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:23,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588569486] [2024-11-16 08:28:23,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:23,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:23,361 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 08:28:23,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:23,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588569486] [2024-11-16 08:28:23,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588569486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:23,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:23,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:28:23,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610707111] [2024-11-16 08:28:23,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:23,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:28:23,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:23,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:28:23,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:28:23,364 INFO L87 Difference]: Start difference. First operand 836 states and 1145 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:23,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:23,383 INFO L93 Difference]: Finished difference Result 1641 states and 2242 transitions. [2024-11-16 08:28:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:28:23,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2024-11-16 08:28:23,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:23,386 INFO L225 Difference]: With dead ends: 1641 [2024-11-16 08:28:23,386 INFO L226 Difference]: Without dead ends: 838 [2024-11-16 08:28:23,388 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 08:28:23,389 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 0 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:23,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1216 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:28:23,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-16 08:28:23,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2024-11-16 08:28:23,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 833 states have (on average 1.3769507803121248) internal successors, (1147), 837 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1147 transitions. [2024-11-16 08:28:23,404 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1147 transitions. Word has length 160 [2024-11-16 08:28:23,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:23,404 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1147 transitions. [2024-11-16 08:28:23,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:23,405 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1147 transitions. [2024-11-16 08:28:23,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-16 08:28:23,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:23,406 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:28:23,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 08:28:23,407 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:23,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:23,407 INFO L85 PathProgramCache]: Analyzing trace with hash 60188664, now seen corresponding path program 1 times [2024-11-16 08:28:23,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:23,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926461989] [2024-11-16 08:28:23,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:23,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:23,822 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 08:28:23,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:23,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926461989] [2024-11-16 08:28:23,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926461989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:23,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:23,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:28:23,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437791496] [2024-11-16 08:28:23,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:23,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:28:23,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:23,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:28:23,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:23,825 INFO L87 Difference]: Start difference. First operand 838 states and 1147 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:23,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:23,854 INFO L93 Difference]: Finished difference Result 1661 states and 2272 transitions. [2024-11-16 08:28:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 08:28:23,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 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 161 [2024-11-16 08:28:23,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:23,858 INFO L225 Difference]: With dead ends: 1661 [2024-11-16 08:28:23,859 INFO L226 Difference]: Without dead ends: 838 [2024-11-16 08:28:23,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:23,862 INFO L432 NwaCegarLoop]: 652 mSDtfsCounter, 25 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1905 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 08:28:23,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1905 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:28:23,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-16 08:28:23,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 837. [2024-11-16 08:28:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 832 states have (on average 1.375) internal successors, (1144), 836 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1144 transitions. [2024-11-16 08:28:23,876 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1144 transitions. Word has length 161 [2024-11-16 08:28:23,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:23,877 INFO L471 AbstractCegarLoop]: Abstraction has 837 states and 1144 transitions. [2024-11-16 08:28:23,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:23,877 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1144 transitions. [2024-11-16 08:28:23,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 08:28:23,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:23,879 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:28:23,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 08:28:23,879 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:23,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:23,881 INFO L85 PathProgramCache]: Analyzing trace with hash -12167638, now seen corresponding path program 1 times [2024-11-16 08:28:23,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:23,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527304725] [2024-11-16 08:28:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:23,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:23,977 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 08:28:23,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:23,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527304725] [2024-11-16 08:28:23,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527304725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:23,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:23,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:28:23,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639117549] [2024-11-16 08:28:23,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:23,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:28:23,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:23,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:28:23,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:28:23,980 INFO L87 Difference]: Start difference. First operand 837 states and 1144 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:24,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:24,033 INFO L93 Difference]: Finished difference Result 2279 states and 3115 transitions. [2024-11-16 08:28:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:28:24,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 162 [2024-11-16 08:28:24,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:24,038 INFO L225 Difference]: With dead ends: 2279 [2024-11-16 08:28:24,039 INFO L226 Difference]: Without dead ends: 1633 [2024-11-16 08:28:24,040 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 08:28:24,044 INFO L432 NwaCegarLoop]: 1165 mSDtfsCounter, 530 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 1729 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:24,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 1729 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:28:24,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2024-11-16 08:28:24,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1605. [2024-11-16 08:28:24,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1600 states have (on average 1.363125) internal successors, (2181), 1604 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:24,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2181 transitions. [2024-11-16 08:28:24,071 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2181 transitions. Word has length 162 [2024-11-16 08:28:24,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:24,073 INFO L471 AbstractCegarLoop]: Abstraction has 1605 states and 2181 transitions. [2024-11-16 08:28:24,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2181 transitions. [2024-11-16 08:28:24,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 08:28:24,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:24,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:28:24,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 08:28:24,076 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:24,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:24,076 INFO L85 PathProgramCache]: Analyzing trace with hash 2087570792, now seen corresponding path program 1 times [2024-11-16 08:28:24,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:24,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989996592] [2024-11-16 08:28:24,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:24,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:24,383 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 08:28:24,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:24,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989996592] [2024-11-16 08:28:24,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989996592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:24,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:24,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:28:24,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078265148] [2024-11-16 08:28:24,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:24,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:28:24,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:24,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:28:24,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:28:24,386 INFO L87 Difference]: Start difference. First operand 1605 states and 2181 transitions. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:24,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:24,480 INFO L93 Difference]: Finished difference Result 3860 states and 5224 transitions. [2024-11-16 08:28:24,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:28:24,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 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 162 [2024-11-16 08:28:24,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:24,487 INFO L225 Difference]: With dead ends: 3860 [2024-11-16 08:28:24,487 INFO L226 Difference]: Without dead ends: 2288 [2024-11-16 08:28:24,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:28:24,490 INFO L432 NwaCegarLoop]: 1015 mSDtfsCounter, 545 mSDsluCounter, 2534 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 3549 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:24,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 3549 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:28:24,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2024-11-16 08:28:24,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 2264. [2024-11-16 08:28:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2264 states, 2259 states have (on average 1.3430721558211598) internal successors, (3034), 2263 states have internal predecessors, (3034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:24,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3034 transitions. [2024-11-16 08:28:24,524 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3034 transitions. Word has length 162 [2024-11-16 08:28:24,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:24,524 INFO L471 AbstractCegarLoop]: Abstraction has 2264 states and 3034 transitions. [2024-11-16 08:28:24,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3034 transitions. [2024-11-16 08:28:24,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-16 08:28:24,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:24,527 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:24,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 08:28:24,528 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:24,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:24,528 INFO L85 PathProgramCache]: Analyzing trace with hash -83305875, now seen corresponding path program 1 times [2024-11-16 08:28:24,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:24,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907881055] [2024-11-16 08:28:24,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:24,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:24,611 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 08:28:24,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:24,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907881055] [2024-11-16 08:28:24,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907881055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:24,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:24,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:28:24,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960967460] [2024-11-16 08:28:24,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:24,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:28:24,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:24,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:28:24,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:28:24,617 INFO L87 Difference]: Start difference. First operand 2264 states and 3034 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:24,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:24,677 INFO L93 Difference]: Finished difference Result 5354 states and 7199 transitions. [2024-11-16 08:28:24,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:28:24,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 170 [2024-11-16 08:28:24,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:24,687 INFO L225 Difference]: With dead ends: 5354 [2024-11-16 08:28:24,687 INFO L226 Difference]: Without dead ends: 3562 [2024-11-16 08:28:24,691 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 08:28:24,691 INFO L432 NwaCegarLoop]: 1128 mSDtfsCounter, 524 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 1674 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:24,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 1674 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:28:24,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3562 states. [2024-11-16 08:28:24,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3562 to 3541. [2024-11-16 08:28:24,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3541 states, 3536 states have (on average 1.3289027149321266) internal successors, (4699), 3540 states have internal predecessors, (4699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:24,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4699 transitions. [2024-11-16 08:28:24,748 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4699 transitions. Word has length 170 [2024-11-16 08:28:24,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:24,748 INFO L471 AbstractCegarLoop]: Abstraction has 3541 states and 4699 transitions. [2024-11-16 08:28:24,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:24,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4699 transitions. [2024-11-16 08:28:24,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-16 08:28:24,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:24,752 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:24,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 08:28:24,753 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:24,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:24,753 INFO L85 PathProgramCache]: Analyzing trace with hash 41618330, now seen corresponding path program 1 times [2024-11-16 08:28:24,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:24,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836770950] [2024-11-16 08:28:24,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:24,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:25,434 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 08:28:25,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:25,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836770950] [2024-11-16 08:28:25,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836770950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:25,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:25,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 08:28:25,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301221239] [2024-11-16 08:28:25,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:25,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:28:25,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:25,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:28:25,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:28:25,436 INFO L87 Difference]: Start difference. First operand 3541 states and 4699 transitions. Second operand has 9 states, 9 states have (on average 18.88888888888889) internal successors, (170), 9 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:25,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:25,734 INFO L93 Difference]: Finished difference Result 6810 states and 9312 transitions. [2024-11-16 08:28:25,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 08:28:25,735 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.88888888888889) internal successors, (170), 9 states have internal predecessors, (170), 0 states have call successors, (0), 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 170 [2024-11-16 08:28:25,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:25,749 INFO L225 Difference]: With dead ends: 6810 [2024-11-16 08:28:25,749 INFO L226 Difference]: Without dead ends: 5701 [2024-11-16 08:28:25,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:28:25,753 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 2567 mSDsluCounter, 2536 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2567 SdHoareTripleChecker+Valid, 3092 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:25,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2567 Valid, 3092 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:28:25,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5701 states. [2024-11-16 08:28:25,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5701 to 5699. [2024-11-16 08:28:25,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5699 states, 5694 states have (on average 1.3417632595714788) internal successors, (7640), 5698 states have internal predecessors, (7640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5699 states to 5699 states and 7640 transitions. [2024-11-16 08:28:25,848 INFO L78 Accepts]: Start accepts. Automaton has 5699 states and 7640 transitions. Word has length 170 [2024-11-16 08:28:25,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:25,848 INFO L471 AbstractCegarLoop]: Abstraction has 5699 states and 7640 transitions. [2024-11-16 08:28:25,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.88888888888889) internal successors, (170), 9 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 5699 states and 7640 transitions. [2024-11-16 08:28:25,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-16 08:28:25,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:25,854 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:25,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 08:28:25,854 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:25,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:25,855 INFO L85 PathProgramCache]: Analyzing trace with hash 42049306, now seen corresponding path program 1 times [2024-11-16 08:28:25,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:25,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275934147] [2024-11-16 08:28:25,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:25,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:26,257 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 08:28:26,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:26,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275934147] [2024-11-16 08:28:26,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275934147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:26,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:26,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:28:26,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756139186] [2024-11-16 08:28:26,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:26,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:28:26,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:26,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:28:26,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:26,259 INFO L87 Difference]: Start difference. First operand 5699 states and 7640 transitions. Second operand has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:26,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:26,302 INFO L93 Difference]: Finished difference Result 10127 states and 13575 transitions. [2024-11-16 08:28:26,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 08:28:26,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 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 170 [2024-11-16 08:28:26,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:26,314 INFO L225 Difference]: With dead ends: 10127 [2024-11-16 08:28:26,314 INFO L226 Difference]: Without dead ends: 4626 [2024-11-16 08:28:26,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:26,320 INFO L432 NwaCegarLoop]: 656 mSDtfsCounter, 28 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1911 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 08:28:26,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 1911 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:28:26,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4626 states. [2024-11-16 08:28:26,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4626 to 4626. [2024-11-16 08:28:26,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4626 states, 4621 states have (on average 1.3388876866479118) internal successors, (6187), 4625 states have internal predecessors, (6187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4626 states to 4626 states and 6187 transitions. [2024-11-16 08:28:26,401 INFO L78 Accepts]: Start accepts. Automaton has 4626 states and 6187 transitions. Word has length 170 [2024-11-16 08:28:26,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:26,401 INFO L471 AbstractCegarLoop]: Abstraction has 4626 states and 6187 transitions. [2024-11-16 08:28:26,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 4626 states and 6187 transitions. [2024-11-16 08:28:26,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-16 08:28:26,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:26,406 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:26,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 08:28:26,406 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:26,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:26,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1794303385, now seen corresponding path program 1 times [2024-11-16 08:28:26,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:26,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234702034] [2024-11-16 08:28:26,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:26,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:26,958 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 08:28:26,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:26,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234702034] [2024-11-16 08:28:26,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234702034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:26,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:26,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 08:28:26,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803121090] [2024-11-16 08:28:26,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:26,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:28:26,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:26,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:28:26,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:28:26,960 INFO L87 Difference]: Start difference. First operand 4626 states and 6187 transitions. Second operand has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:27,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:27,266 INFO L93 Difference]: Finished difference Result 8797 states and 11998 transitions. [2024-11-16 08:28:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 08:28:27,266 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2024-11-16 08:28:27,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:27,294 INFO L225 Difference]: With dead ends: 8797 [2024-11-16 08:28:27,294 INFO L226 Difference]: Without dead ends: 6935 [2024-11-16 08:28:27,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:28:27,303 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 1775 mSDsluCounter, 2426 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1775 SdHoareTripleChecker+Valid, 2992 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:27,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1775 Valid, 2992 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:28:27,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6935 states. [2024-11-16 08:28:27,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6935 to 6933. [2024-11-16 08:28:27,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6933 states, 6928 states have (on average 1.3331408775981524) internal successors, (9236), 6932 states have internal predecessors, (9236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6933 states to 6933 states and 9236 transitions. [2024-11-16 08:28:27,432 INFO L78 Accepts]: Start accepts. Automaton has 6933 states and 9236 transitions. Word has length 175 [2024-11-16 08:28:27,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:27,433 INFO L471 AbstractCegarLoop]: Abstraction has 6933 states and 9236 transitions. [2024-11-16 08:28:27,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:27,433 INFO L276 IsEmpty]: Start isEmpty. Operand 6933 states and 9236 transitions. [2024-11-16 08:28:27,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-16 08:28:27,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:27,442 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:27,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 08:28:27,443 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:27,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:27,446 INFO L85 PathProgramCache]: Analyzing trace with hash -204664866, now seen corresponding path program 1 times [2024-11-16 08:28:27,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:27,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709190710] [2024-11-16 08:28:27,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:27,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:28,366 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 08:28:28,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:28,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709190710] [2024-11-16 08:28:28,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709190710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:28,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:28,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 08:28:28,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848589078] [2024-11-16 08:28:28,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:28,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 08:28:28,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:28,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 08:28:28,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-11-16 08:28:28,369 INFO L87 Difference]: Start difference. First operand 6933 states and 9236 transitions. Second operand has 14 states, 14 states have (on average 12.5) internal successors, (175), 14 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:29,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:29,783 INFO L93 Difference]: Finished difference Result 21864 states and 29544 transitions. [2024-11-16 08:28:29,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-16 08:28:29,785 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.5) internal successors, (175), 14 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2024-11-16 08:28:29,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:29,814 INFO L225 Difference]: With dead ends: 21864 [2024-11-16 08:28:29,814 INFO L226 Difference]: Without dead ends: 20126 [2024-11-16 08:28:29,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=293, Invalid=897, Unknown=0, NotChecked=0, Total=1190 [2024-11-16 08:28:29,825 INFO L432 NwaCegarLoop]: 783 mSDtfsCounter, 6399 mSDsluCounter, 6715 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6399 SdHoareTripleChecker+Valid, 7498 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:29,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6399 Valid, 7498 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1297 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 08:28:29,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20126 states. [2024-11-16 08:28:30,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20126 to 8236. [2024-11-16 08:28:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8236 states, 8231 states have (on average 1.3189162920665776) internal successors, (10856), 8235 states have internal predecessors, (10856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:30,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8236 states to 8236 states and 10856 transitions. [2024-11-16 08:28:30,034 INFO L78 Accepts]: Start accepts. Automaton has 8236 states and 10856 transitions. Word has length 175 [2024-11-16 08:28:30,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:30,035 INFO L471 AbstractCegarLoop]: Abstraction has 8236 states and 10856 transitions. [2024-11-16 08:28:30,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.5) internal successors, (175), 14 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:30,035 INFO L276 IsEmpty]: Start isEmpty. Operand 8236 states and 10856 transitions. [2024-11-16 08:28:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-16 08:28:30,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:30,045 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:30,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 08:28:30,046 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:30,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:30,046 INFO L85 PathProgramCache]: Analyzing trace with hash 2096157724, now seen corresponding path program 1 times [2024-11-16 08:28:30,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:30,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242586906] [2024-11-16 08:28:30,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:30,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:30,327 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 08:28:30,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:30,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242586906] [2024-11-16 08:28:30,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242586906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:30,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:30,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:28:30,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057320308] [2024-11-16 08:28:30,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:30,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:28:30,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:30,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:28:30,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:30,329 INFO L87 Difference]: Start difference. First operand 8236 states and 10856 transitions. Second operand has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:30,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:30,465 INFO L93 Difference]: Finished difference Result 40076 states and 52614 transitions. [2024-11-16 08:28:30,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:28:30,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2024-11-16 08:28:30,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:30,509 INFO L225 Difference]: With dead ends: 40076 [2024-11-16 08:28:30,509 INFO L226 Difference]: Without dead ends: 31888 [2024-11-16 08:28:30,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:28:30,585 INFO L432 NwaCegarLoop]: 1062 mSDtfsCounter, 1704 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 2725 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:30,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1704 Valid, 2725 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:28:30,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31888 states. [2024-11-16 08:28:30,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31888 to 15940. [2024-11-16 08:28:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15940 states, 15935 states have (on average 1.302353310323188) internal successors, (20753), 15939 states have internal predecessors, (20753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:30,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15940 states to 15940 states and 20753 transitions. [2024-11-16 08:28:30,905 INFO L78 Accepts]: Start accepts. Automaton has 15940 states and 20753 transitions. Word has length 175 [2024-11-16 08:28:30,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:30,906 INFO L471 AbstractCegarLoop]: Abstraction has 15940 states and 20753 transitions. [2024-11-16 08:28:30,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 15940 states and 20753 transitions. [2024-11-16 08:28:30,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-16 08:28:30,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:30,923 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:30,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 08:28:30,924 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:30,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:30,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1767642313, now seen corresponding path program 1 times [2024-11-16 08:28:30,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:30,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490162019] [2024-11-16 08:28:30,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:30,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:31,000 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 08:28:31,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:31,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490162019] [2024-11-16 08:28:31,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490162019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:31,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:31,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:28:31,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477153896] [2024-11-16 08:28:31,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:31,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:28:31,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:31,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:28:31,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:28:31,002 INFO L87 Difference]: Start difference. First operand 15940 states and 20753 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:31,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:31,063 INFO L93 Difference]: Finished difference Result 31770 states and 41366 transitions. [2024-11-16 08:28:31,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:28:31,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 176 [2024-11-16 08:28:31,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:31,083 INFO L225 Difference]: With dead ends: 31770 [2024-11-16 08:28:31,083 INFO L226 Difference]: Without dead ends: 15946 [2024-11-16 08:28:31,100 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 08:28:31,101 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 0 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:31,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1208 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:28:31,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15946 states. [2024-11-16 08:28:31,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15946 to 15946. [2024-11-16 08:28:31,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15946 states, 15941 states have (on average 1.3022395081864375) internal successors, (20759), 15945 states have internal predecessors, (20759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15946 states to 15946 states and 20759 transitions. [2024-11-16 08:28:31,405 INFO L78 Accepts]: Start accepts. Automaton has 15946 states and 20759 transitions. Word has length 176 [2024-11-16 08:28:31,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:31,405 INFO L471 AbstractCegarLoop]: Abstraction has 15946 states and 20759 transitions. [2024-11-16 08:28:31,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:31,405 INFO L276 IsEmpty]: Start isEmpty. Operand 15946 states and 20759 transitions. [2024-11-16 08:28:31,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 08:28:31,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:31,418 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:31,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 08:28:31,418 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:31,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:31,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1995175301, now seen corresponding path program 1 times [2024-11-16 08:28:31,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:31,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105601111] [2024-11-16 08:28:31,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:31,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:31,708 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 08:28:31,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:31,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105601111] [2024-11-16 08:28:31,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105601111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:31,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:31,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:28:31,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938101683] [2024-11-16 08:28:31,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:31,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:28:31,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:31,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:28:31,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:31,710 INFO L87 Difference]: Start difference. First operand 15946 states and 20759 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:31,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:31,776 INFO L93 Difference]: Finished difference Result 31852 states and 41464 transitions. [2024-11-16 08:28:31,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 08:28:31,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 0 states have call successors, (0), 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 177 [2024-11-16 08:28:31,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:31,798 INFO L225 Difference]: With dead ends: 31852 [2024-11-16 08:28:31,799 INFO L226 Difference]: Without dead ends: 15940 [2024-11-16 08:28:31,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:31,817 INFO L432 NwaCegarLoop]: 640 mSDtfsCounter, 18 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1877 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 08:28:31,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 1877 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:28:31,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2024-11-16 08:28:32,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 15940. [2024-11-16 08:28:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15940 states, 15935 states have (on average 1.301976780671478) internal successors, (20747), 15939 states have internal predecessors, (20747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:32,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15940 states to 15940 states and 20747 transitions. [2024-11-16 08:28:32,128 INFO L78 Accepts]: Start accepts. Automaton has 15940 states and 20747 transitions. Word has length 177 [2024-11-16 08:28:32,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:32,128 INFO L471 AbstractCegarLoop]: Abstraction has 15940 states and 20747 transitions. [2024-11-16 08:28:32,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:32,129 INFO L276 IsEmpty]: Start isEmpty. Operand 15940 states and 20747 transitions. [2024-11-16 08:28:32,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 08:28:32,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:32,142 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:32,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 08:28:32,142 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:32,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:32,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1488931959, now seen corresponding path program 1 times [2024-11-16 08:28:32,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:32,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975844032] [2024-11-16 08:28:32,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:32,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:32,219 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 08:28:32,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:32,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975844032] [2024-11-16 08:28:32,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975844032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:32,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:32,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:28:32,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784835381] [2024-11-16 08:28:32,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:32,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:28:32,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:32,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:28:32,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:28:32,221 INFO L87 Difference]: Start difference. First operand 15940 states and 20747 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:32,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:32,312 INFO L93 Difference]: Finished difference Result 38749 states and 50328 transitions. [2024-11-16 08:28:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:28:32,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 178 [2024-11-16 08:28:32,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:32,344 INFO L225 Difference]: With dead ends: 38749 [2024-11-16 08:28:32,344 INFO L226 Difference]: Without dead ends: 23737 [2024-11-16 08:28:32,361 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 08:28:32,362 INFO L432 NwaCegarLoop]: 1110 mSDtfsCounter, 520 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:32,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 1666 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:28:32,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23737 states. [2024-11-16 08:28:32,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23737 to 23681. [2024-11-16 08:28:32,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23681 states, 23676 states have (on average 1.282142253759081) internal successors, (30356), 23680 states have internal predecessors, (30356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:32,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23681 states to 23681 states and 30356 transitions. [2024-11-16 08:28:32,615 INFO L78 Accepts]: Start accepts. Automaton has 23681 states and 30356 transitions. Word has length 178 [2024-11-16 08:28:32,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:32,616 INFO L471 AbstractCegarLoop]: Abstraction has 23681 states and 30356 transitions. [2024-11-16 08:28:32,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand 23681 states and 30356 transitions. [2024-11-16 08:28:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 08:28:32,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:32,761 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:32,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 08:28:32,762 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:32,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:32,762 INFO L85 PathProgramCache]: Analyzing trace with hash 425799936, now seen corresponding path program 1 times [2024-11-16 08:28:32,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:32,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304536663] [2024-11-16 08:28:32,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:32,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:28:32,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:32,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304536663] [2024-11-16 08:28:32,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304536663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:32,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:32,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:28:32,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750649178] [2024-11-16 08:28:32,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:32,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:28:32,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:32,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:28:32,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:28:32,875 INFO L87 Difference]: Start difference. First operand 23681 states and 30356 transitions. Second operand has 5 states, 5 states have (on average 36.6) internal successors, (183), 4 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:33,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:33,077 INFO L93 Difference]: Finished difference Result 43697 states and 56063 transitions. [2024-11-16 08:28:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:28:33,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.6) internal successors, (183), 4 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2024-11-16 08:28:33,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:33,110 INFO L225 Difference]: With dead ends: 43697 [2024-11-16 08:28:33,110 INFO L226 Difference]: Without dead ends: 23681 [2024-11-16 08:28:33,127 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 08:28:33,127 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 1621 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1621 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:33,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1621 Valid, 572 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:28:33,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23681 states. [2024-11-16 08:28:33,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23681 to 23681. [2024-11-16 08:28:33,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23681 states, 23676 states have (on average 1.2693022470011825) internal successors, (30052), 23680 states have internal predecessors, (30052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23681 states to 23681 states and 30052 transitions. [2024-11-16 08:28:33,383 INFO L78 Accepts]: Start accepts. Automaton has 23681 states and 30052 transitions. Word has length 183 [2024-11-16 08:28:33,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:33,383 INFO L471 AbstractCegarLoop]: Abstraction has 23681 states and 30052 transitions. [2024-11-16 08:28:33,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.6) internal successors, (183), 4 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 23681 states and 30052 transitions. [2024-11-16 08:28:33,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 08:28:33,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:33,398 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:33,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 08:28:33,399 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:33,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:33,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1347225695, now seen corresponding path program 1 times [2024-11-16 08:28:33,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:33,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441043195] [2024-11-16 08:28:33,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:33,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:28:34,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:34,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441043195] [2024-11-16 08:28:34,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441043195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:34,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:34,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 08:28:34,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347578693] [2024-11-16 08:28:34,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:34,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:28:34,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:34,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:28:34,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:28:34,090 INFO L87 Difference]: Start difference. First operand 23681 states and 30052 transitions. Second operand has 9 states, 9 states have (on average 20.333333333333332) internal successors, (183), 9 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:34,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:34,377 INFO L93 Difference]: Finished difference Result 41975 states and 54178 transitions. [2024-11-16 08:28:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 08:28:34,378 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.333333333333332) internal successors, (183), 9 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2024-11-16 08:28:34,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:34,429 INFO L225 Difference]: With dead ends: 41975 [2024-11-16 08:28:34,429 INFO L226 Difference]: Without dead ends: 33367 [2024-11-16 08:28:34,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:28:34,447 INFO L432 NwaCegarLoop]: 584 mSDtfsCounter, 2291 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2291 SdHoareTripleChecker+Valid, 2920 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:34,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2291 Valid, 2920 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:28:34,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33367 states. [2024-11-16 08:28:34,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33367 to 33365. [2024-11-16 08:28:34,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33365 states, 33360 states have (on average 1.2565047961630695) internal successors, (41917), 33364 states have internal predecessors, (41917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:34,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33365 states to 33365 states and 41917 transitions. [2024-11-16 08:28:34,976 INFO L78 Accepts]: Start accepts. Automaton has 33365 states and 41917 transitions. Word has length 183 [2024-11-16 08:28:34,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:34,977 INFO L471 AbstractCegarLoop]: Abstraction has 33365 states and 41917 transitions. [2024-11-16 08:28:34,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.333333333333332) internal successors, (183), 9 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:34,977 INFO L276 IsEmpty]: Start isEmpty. Operand 33365 states and 41917 transitions. [2024-11-16 08:28:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 08:28:35,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:35,005 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:35,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 08:28:35,006 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:35,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:35,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1869646148, now seen corresponding path program 1 times [2024-11-16 08:28:35,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:35,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683804232] [2024-11-16 08:28:35,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:35,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:35,788 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 08:28:35,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:35,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683804232] [2024-11-16 08:28:35,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683804232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:35,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:35,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 08:28:35,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235557282] [2024-11-16 08:28:35,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:35,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:28:35,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:35,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:28:35,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:28:35,791 INFO L87 Difference]: Start difference. First operand 33365 states and 41917 transitions. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:36,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:36,633 INFO L93 Difference]: Finished difference Result 51622 states and 65836 transitions. [2024-11-16 08:28:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 08:28:36,634 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2024-11-16 08:28:36,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:36,686 INFO L225 Difference]: With dead ends: 51622 [2024-11-16 08:28:36,687 INFO L226 Difference]: Without dead ends: 45300 [2024-11-16 08:28:36,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2024-11-16 08:28:36,704 INFO L432 NwaCegarLoop]: 849 mSDtfsCounter, 2614 mSDsluCounter, 6186 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2614 SdHoareTripleChecker+Valid, 7035 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:36,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2614 Valid, 7035 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:28:36,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45300 states. [2024-11-16 08:28:37,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45300 to 36501. [2024-11-16 08:28:37,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36501 states, 36496 states have (on average 1.248164182376151) internal successors, (45553), 36500 states have internal predecessors, (45553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36501 states to 36501 states and 45553 transitions. [2024-11-16 08:28:37,109 INFO L78 Accepts]: Start accepts. Automaton has 36501 states and 45553 transitions. Word has length 183 [2024-11-16 08:28:37,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:37,111 INFO L471 AbstractCegarLoop]: Abstraction has 36501 states and 45553 transitions. [2024-11-16 08:28:37,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:37,111 INFO L276 IsEmpty]: Start isEmpty. Operand 36501 states and 45553 transitions. [2024-11-16 08:28:37,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 08:28:37,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:37,140 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:37,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 08:28:37,140 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:37,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:37,141 INFO L85 PathProgramCache]: Analyzing trace with hash -502093114, now seen corresponding path program 1 times [2024-11-16 08:28:37,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:37,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768626740] [2024-11-16 08:28:37,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:37,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:37,375 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 08:28:37,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:37,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768626740] [2024-11-16 08:28:37,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768626740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:37,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:37,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:28:37,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284034300] [2024-11-16 08:28:37,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:37,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:28:37,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:37,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:28:37,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:37,377 INFO L87 Difference]: Start difference. First operand 36501 states and 45553 transitions. Second operand has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:37,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:37,688 INFO L93 Difference]: Finished difference Result 68810 states and 85786 transitions. [2024-11-16 08:28:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:28:37,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2024-11-16 08:28:37,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:37,722 INFO L225 Difference]: With dead ends: 68810 [2024-11-16 08:28:37,723 INFO L226 Difference]: Without dead ends: 32757 [2024-11-16 08:28:37,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:28:37,751 INFO L432 NwaCegarLoop]: 592 mSDtfsCounter, 529 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 1679 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:37,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 1679 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:28:37,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32757 states. [2024-11-16 08:28:38,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32757 to 32645. [2024-11-16 08:28:38,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32645 states, 32640 states have (on average 1.2441176470588236) internal successors, (40608), 32644 states have internal predecessors, (40608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32645 states to 32645 states and 40608 transitions. [2024-11-16 08:28:38,083 INFO L78 Accepts]: Start accepts. Automaton has 32645 states and 40608 transitions. Word has length 183 [2024-11-16 08:28:38,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:38,083 INFO L471 AbstractCegarLoop]: Abstraction has 32645 states and 40608 transitions. [2024-11-16 08:28:38,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:38,084 INFO L276 IsEmpty]: Start isEmpty. Operand 32645 states and 40608 transitions. [2024-11-16 08:28:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-16 08:28:38,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:38,104 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:38,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 08:28:38,105 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:38,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:38,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1362295978, now seen corresponding path program 1 times [2024-11-16 08:28:38,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:38,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620819512] [2024-11-16 08:28:38,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:38,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:38,375 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 08:28:38,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:38,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620819512] [2024-11-16 08:28:38,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620819512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:38,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:38,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:28:38,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361097793] [2024-11-16 08:28:38,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:38,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:28:38,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:38,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:28:38,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:38,377 INFO L87 Difference]: Start difference. First operand 32645 states and 40608 transitions. Second operand has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:38,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:38,526 INFO L93 Difference]: Finished difference Result 69590 states and 86545 transitions. [2024-11-16 08:28:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 08:28:38,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 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 186 [2024-11-16 08:28:38,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:38,594 INFO L225 Difference]: With dead ends: 69590 [2024-11-16 08:28:38,594 INFO L226 Difference]: Without dead ends: 45760 [2024-11-16 08:28:38,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:38,621 INFO L432 NwaCegarLoop]: 1018 mSDtfsCounter, 1127 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1127 SdHoareTripleChecker+Valid, 2073 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:38,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1127 Valid, 2073 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:28:38,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45760 states. [2024-11-16 08:28:39,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45760 to 32821. [2024-11-16 08:28:39,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32821 states, 32816 states have (on average 1.2438139931740615) internal successors, (40817), 32820 states have internal predecessors, (40817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:39,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32821 states to 32821 states and 40817 transitions. [2024-11-16 08:28:39,202 INFO L78 Accepts]: Start accepts. Automaton has 32821 states and 40817 transitions. Word has length 186 [2024-11-16 08:28:39,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:39,202 INFO L471 AbstractCegarLoop]: Abstraction has 32821 states and 40817 transitions. [2024-11-16 08:28:39,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:39,203 INFO L276 IsEmpty]: Start isEmpty. Operand 32821 states and 40817 transitions. [2024-11-16 08:28:39,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-16 08:28:39,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:39,237 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:39,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 08:28:39,237 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:39,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:39,242 INFO L85 PathProgramCache]: Analyzing trace with hash -914260319, now seen corresponding path program 1 times [2024-11-16 08:28:39,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:39,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849325278] [2024-11-16 08:28:39,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:39,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:39,292 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 08:28:39,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:39,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849325278] [2024-11-16 08:28:39,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849325278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:39,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:39,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:28:39,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654110037] [2024-11-16 08:28:39,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:39,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:28:39,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:39,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:28:39,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:28:39,294 INFO L87 Difference]: Start difference. First operand 32821 states and 40817 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:39,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:39,395 INFO L93 Difference]: Finished difference Result 65033 states and 80929 transitions. [2024-11-16 08:28:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:28:39,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 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 187 [2024-11-16 08:28:39,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:39,428 INFO L225 Difference]: With dead ends: 65033 [2024-11-16 08:28:39,428 INFO L226 Difference]: Without dead ends: 32837 [2024-11-16 08:28:39,450 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 08:28:39,451 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 0 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:39,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1188 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:28:39,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32837 states. [2024-11-16 08:28:39,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32837 to 32837. [2024-11-16 08:28:39,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32837 states, 32832 states have (on average 1.2436951754385965) internal successors, (40833), 32836 states have internal predecessors, (40833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:40,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32837 states to 32837 states and 40833 transitions. [2024-11-16 08:28:40,146 INFO L78 Accepts]: Start accepts. Automaton has 32837 states and 40833 transitions. Word has length 187 [2024-11-16 08:28:40,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:40,146 INFO L471 AbstractCegarLoop]: Abstraction has 32837 states and 40833 transitions. [2024-11-16 08:28:40,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 32837 states and 40833 transitions. [2024-11-16 08:28:40,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-16 08:28:40,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:40,182 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:40,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 08:28:40,182 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:40,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:40,183 INFO L85 PathProgramCache]: Analyzing trace with hash -332842285, now seen corresponding path program 1 times [2024-11-16 08:28:40,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:40,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017193041] [2024-11-16 08:28:40,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:40,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:40,653 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 08:28:40,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:40,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017193041] [2024-11-16 08:28:40,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017193041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:40,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:40,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:28:40,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358404279] [2024-11-16 08:28:40,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:40,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:28:40,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:40,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:28:40,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:40,655 INFO L87 Difference]: Start difference. First operand 32837 states and 40833 transitions. Second operand has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:40,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:40,758 INFO L93 Difference]: Finished difference Result 65415 states and 81352 transitions. [2024-11-16 08:28:40,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 08:28:40,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 188 [2024-11-16 08:28:40,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:40,790 INFO L225 Difference]: With dead ends: 65415 [2024-11-16 08:28:40,791 INFO L226 Difference]: Without dead ends: 32834 [2024-11-16 08:28:40,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:40,816 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 1 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1809 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 08:28:40,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1809 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:28:40,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32834 states. [2024-11-16 08:28:41,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32834 to 32829. [2024-11-16 08:28:41,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32829 states, 32824 states have (on average 1.243267121618328) internal successors, (40809), 32828 states have internal predecessors, (40809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:41,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32829 states to 32829 states and 40809 transitions. [2024-11-16 08:28:41,367 INFO L78 Accepts]: Start accepts. Automaton has 32829 states and 40809 transitions. Word has length 188 [2024-11-16 08:28:41,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:41,367 INFO L471 AbstractCegarLoop]: Abstraction has 32829 states and 40809 transitions. [2024-11-16 08:28:41,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:41,367 INFO L276 IsEmpty]: Start isEmpty. Operand 32829 states and 40809 transitions. [2024-11-16 08:28:41,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-16 08:28:41,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:41,386 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:41,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 08:28:41,387 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:41,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:41,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1914224826, now seen corresponding path program 1 times [2024-11-16 08:28:41,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:41,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728128273] [2024-11-16 08:28:41,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:41,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:41,790 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 08:28:41,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:41,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728128273] [2024-11-16 08:28:41,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728128273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:41,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:41,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:28:41,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5393884] [2024-11-16 08:28:41,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:41,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:28:41,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:41,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:28:41,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:28:41,792 INFO L87 Difference]: Start difference. First operand 32829 states and 40809 transitions. Second operand has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:41,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:41,957 INFO L93 Difference]: Finished difference Result 53848 states and 66916 transitions. [2024-11-16 08:28:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:28:41,958 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 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 189 [2024-11-16 08:28:41,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:41,988 INFO L225 Difference]: With dead ends: 53848 [2024-11-16 08:28:41,989 INFO L226 Difference]: Without dead ends: 28858 [2024-11-16 08:28:42,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:28:42,011 INFO L432 NwaCegarLoop]: 996 mSDtfsCounter, 532 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 2466 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:42,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 2466 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:28:42,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28858 states. [2024-11-16 08:28:42,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28858 to 28413. [2024-11-16 08:28:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28413 states, 28408 states have (on average 1.2423261053224444) internal successors, (35292), 28412 states have internal predecessors, (35292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28413 states to 28413 states and 35292 transitions. [2024-11-16 08:28:42,428 INFO L78 Accepts]: Start accepts. Automaton has 28413 states and 35292 transitions. Word has length 189 [2024-11-16 08:28:42,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:42,428 INFO L471 AbstractCegarLoop]: Abstraction has 28413 states and 35292 transitions. [2024-11-16 08:28:42,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:42,428 INFO L276 IsEmpty]: Start isEmpty. Operand 28413 states and 35292 transitions. [2024-11-16 08:28:42,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-16 08:28:42,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:42,444 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:42,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 08:28:42,445 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:42,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:42,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1661476604, now seen corresponding path program 1 times [2024-11-16 08:28:42,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:42,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95034914] [2024-11-16 08:28:42,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:42,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:44,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:28:44,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:44,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95034914] [2024-11-16 08:28:44,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95034914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:44,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:44,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-16 08:28:44,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873677480] [2024-11-16 08:28:44,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:44,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-16 08:28:44,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:44,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-16 08:28:44,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:28:44,516 INFO L87 Difference]: Start difference. First operand 28413 states and 35292 transitions. Second operand has 23 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:51,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:51,972 INFO L93 Difference]: Finished difference Result 79518 states and 105872 transitions. [2024-11-16 08:28:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-16 08:28:51,977 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2024-11-16 08:28:51,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:52,047 INFO L225 Difference]: With dead ends: 79518 [2024-11-16 08:28:52,047 INFO L226 Difference]: Without dead ends: 76892 [2024-11-16 08:28:52,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1279 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=835, Invalid=4277, Unknown=0, NotChecked=0, Total=5112 [2024-11-16 08:28:52,064 INFO L432 NwaCegarLoop]: 2178 mSDtfsCounter, 5746 mSDsluCounter, 27393 mSDsCounter, 0 mSdLazyCounter, 8292 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5746 SdHoareTripleChecker+Valid, 29571 SdHoareTripleChecker+Invalid, 8379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 8292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:52,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5746 Valid, 29571 Invalid, 8379 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [87 Valid, 8292 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-16 08:28:52,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76892 states. [2024-11-16 08:28:52,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76892 to 30386. [2024-11-16 08:28:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30386 states, 30381 states have (on average 1.2378460221849181) internal successors, (37607), 30385 states have internal predecessors, (37607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:52,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30386 states to 30386 states and 37607 transitions. [2024-11-16 08:28:52,662 INFO L78 Accepts]: Start accepts. Automaton has 30386 states and 37607 transitions. Word has length 192 [2024-11-16 08:28:52,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:52,662 INFO L471 AbstractCegarLoop]: Abstraction has 30386 states and 37607 transitions. [2024-11-16 08:28:52,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:52,663 INFO L276 IsEmpty]: Start isEmpty. Operand 30386 states and 37607 transitions. [2024-11-16 08:28:52,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-16 08:28:52,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:52,681 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:52,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 08:28:52,682 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:52,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:52,682 INFO L85 PathProgramCache]: Analyzing trace with hash 534095683, now seen corresponding path program 1 times [2024-11-16 08:28:52,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:52,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001604764] [2024-11-16 08:28:52,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:52,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:53,486 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 08:28:53,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:53,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001604764] [2024-11-16 08:28:53,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001604764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:53,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:53,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 08:28:53,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506754193] [2024-11-16 08:28:53,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:53,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:28:53,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:53,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:28:53,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:28:53,488 INFO L87 Difference]: Start difference. First operand 30386 states and 37607 transitions. Second operand has 13 states, 13 states have (on average 14.76923076923077) internal successors, (192), 13 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:54,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:28:54,714 INFO L93 Difference]: Finished difference Result 51997 states and 65321 transitions. [2024-11-16 08:28:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 08:28:54,715 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 14.76923076923077) internal successors, (192), 13 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2024-11-16 08:28:54,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:28:54,753 INFO L225 Difference]: With dead ends: 51997 [2024-11-16 08:28:54,753 INFO L226 Difference]: Without dead ends: 47699 [2024-11-16 08:28:54,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=206, Invalid=724, Unknown=0, NotChecked=0, Total=930 [2024-11-16 08:28:54,760 INFO L432 NwaCegarLoop]: 846 mSDtfsCounter, 2990 mSDsluCounter, 6429 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2990 SdHoareTripleChecker+Valid, 7275 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 08:28:54,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2990 Valid, 7275 Invalid, 1604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1488 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 08:28:54,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47699 states. [2024-11-16 08:28:55,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47699 to 35488. [2024-11-16 08:28:55,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35488 states, 35483 states have (on average 1.2295465434151565) internal successors, (43628), 35487 states have internal predecessors, (43628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:55,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35488 states to 35488 states and 43628 transitions. [2024-11-16 08:28:55,137 INFO L78 Accepts]: Start accepts. Automaton has 35488 states and 43628 transitions. Word has length 192 [2024-11-16 08:28:55,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:28:55,137 INFO L471 AbstractCegarLoop]: Abstraction has 35488 states and 43628 transitions. [2024-11-16 08:28:55,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.76923076923077) internal successors, (192), 13 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:28:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 35488 states and 43628 transitions. [2024-11-16 08:28:55,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-16 08:28:55,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:28:55,161 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:55,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 08:28:55,162 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:28:55,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:28:55,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1985864251, now seen corresponding path program 1 times [2024-11-16 08:28:55,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:28:55,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764556795] [2024-11-16 08:28:55,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:28:55,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:28:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:28:56,988 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 08:28:56,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:28:56,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764556795] [2024-11-16 08:28:56,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764556795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:28:56,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:28:56,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-16 08:28:56,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231982119] [2024-11-16 08:28:56,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:28:56,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-16 08:28:56,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:28:56,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-16 08:28:56,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:28:56,991 INFO L87 Difference]: Start difference. First operand 35488 states and 43628 transitions. Second operand has 23 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:02,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:29:02,580 INFO L93 Difference]: Finished difference Result 80545 states and 105669 transitions. [2024-11-16 08:29:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-16 08:29:02,581 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2024-11-16 08:29:02,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:29:02,646 INFO L225 Difference]: With dead ends: 80545 [2024-11-16 08:29:02,646 INFO L226 Difference]: Without dead ends: 77336 [2024-11-16 08:29:02,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=602, Invalid=2050, Unknown=0, NotChecked=0, Total=2652 [2024-11-16 08:29:02,659 INFO L432 NwaCegarLoop]: 1237 mSDtfsCounter, 6625 mSDsluCounter, 16400 mSDsCounter, 0 mSdLazyCounter, 5400 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6625 SdHoareTripleChecker+Valid, 17637 SdHoareTripleChecker+Invalid, 5496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 5400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:29:02,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6625 Valid, 17637 Invalid, 5496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 5400 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-16 08:29:02,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77336 states. [2024-11-16 08:29:03,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77336 to 36336. [2024-11-16 08:29:03,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36336 states, 36331 states have (on average 1.2281247419559054) internal successors, (44619), 36335 states have internal predecessors, (44619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:03,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36336 states to 36336 states and 44619 transitions. [2024-11-16 08:29:03,220 INFO L78 Accepts]: Start accepts. Automaton has 36336 states and 44619 transitions. Word has length 192 [2024-11-16 08:29:03,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:29:03,220 INFO L471 AbstractCegarLoop]: Abstraction has 36336 states and 44619 transitions. [2024-11-16 08:29:03,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:03,220 INFO L276 IsEmpty]: Start isEmpty. Operand 36336 states and 44619 transitions. [2024-11-16 08:29:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-16 08:29:03,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:29:03,244 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:29:03,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 08:29:03,244 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:29:03,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:29:03,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1913347908, now seen corresponding path program 1 times [2024-11-16 08:29:03,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:29:03,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787300553] [2024-11-16 08:29:03,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:29:03,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:29:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:29:03,601 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 08:29:03,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:29:03,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787300553] [2024-11-16 08:29:03,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787300553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:29:03,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:29:03,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 08:29:03,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129062787] [2024-11-16 08:29:03,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:29:03,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 08:29:03,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:29:03,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 08:29:03,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-16 08:29:03,605 INFO L87 Difference]: Start difference. First operand 36336 states and 44619 transitions. Second operand has 10 states, 10 states have (on average 19.2) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:03,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:29:03,832 INFO L93 Difference]: Finished difference Result 69850 states and 85864 transitions. [2024-11-16 08:29:03,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:29:03,833 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.2) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2024-11-16 08:29:03,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:29:03,872 INFO L225 Difference]: With dead ends: 69850 [2024-11-16 08:29:03,872 INFO L226 Difference]: Without dead ends: 36336 [2024-11-16 08:29:03,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:29:03,898 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 1584 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:29:03,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1584 Valid, 833 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:29:03,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36336 states. [2024-11-16 08:29:04,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36336 to 36336. [2024-11-16 08:29:04,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36336 states, 36331 states have (on average 1.2110319011312654) internal successors, (43998), 36335 states have internal predecessors, (43998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:04,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36336 states to 36336 states and 43998 transitions. [2024-11-16 08:29:04,269 INFO L78 Accepts]: Start accepts. Automaton has 36336 states and 43998 transitions. Word has length 192 [2024-11-16 08:29:04,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:29:04,270 INFO L471 AbstractCegarLoop]: Abstraction has 36336 states and 43998 transitions. [2024-11-16 08:29:04,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.2) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:04,270 INFO L276 IsEmpty]: Start isEmpty. Operand 36336 states and 43998 transitions. [2024-11-16 08:29:04,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-16 08:29:04,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:29:04,294 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:29:04,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 08:29:04,294 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:29:04,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:29:04,295 INFO L85 PathProgramCache]: Analyzing trace with hash -735863420, now seen corresponding path program 1 times [2024-11-16 08:29:04,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:29:04,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804764495] [2024-11-16 08:29:04,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:29:04,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:29:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:29:04,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:29:04,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:29:04,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804764495] [2024-11-16 08:29:04,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804764495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:29:04,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:29:04,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:29:04,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671315477] [2024-11-16 08:29:04,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:29:04,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:29:04,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:29:04,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:29:04,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:29:04,353 INFO L87 Difference]: Start difference. First operand 36336 states and 43998 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:04,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:29:04,741 INFO L93 Difference]: Finished difference Result 87029 states and 106491 transitions. [2024-11-16 08:29:04,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:29:04,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2024-11-16 08:29:04,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:29:04,805 INFO L225 Difference]: With dead ends: 87029 [2024-11-16 08:29:04,805 INFO L226 Difference]: Without dead ends: 61417 [2024-11-16 08:29:04,821 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 08:29:04,822 INFO L432 NwaCegarLoop]: 733 mSDtfsCounter, 428 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1203 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:29:04,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1203 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:29:04,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61417 states. [2024-11-16 08:29:05,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61417 to 61351. [2024-11-16 08:29:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61351 states, 61346 states have (on average 1.211619339484237) internal successors, (74328), 61350 states have internal predecessors, (74328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61351 states to 61351 states and 74328 transitions. [2024-11-16 08:29:05,450 INFO L78 Accepts]: Start accepts. Automaton has 61351 states and 74328 transitions. Word has length 192 [2024-11-16 08:29:05,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:29:05,450 INFO L471 AbstractCegarLoop]: Abstraction has 61351 states and 74328 transitions. [2024-11-16 08:29:05,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:05,450 INFO L276 IsEmpty]: Start isEmpty. Operand 61351 states and 74328 transitions. [2024-11-16 08:29:05,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-16 08:29:05,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:29:05,487 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:29:05,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 08:29:05,488 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:29:05,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:29:05,488 INFO L85 PathProgramCache]: Analyzing trace with hash -257474143, now seen corresponding path program 1 times [2024-11-16 08:29:05,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:29:05,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165420871] [2024-11-16 08:29:05,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:29:05,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:29:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:29:06,174 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 08:29:06,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:29:06,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165420871] [2024-11-16 08:29:06,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165420871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:29:06,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:29:06,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 08:29:06,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864453774] [2024-11-16 08:29:06,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:29:06,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 08:29:06,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:29:06,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 08:29:06,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-16 08:29:06,176 INFO L87 Difference]: Start difference. First operand 61351 states and 74328 transitions. Second operand has 16 states, 16 states have (on average 12.0) internal successors, (192), 16 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:07,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:29:07,493 INFO L93 Difference]: Finished difference Result 118048 states and 148497 transitions. [2024-11-16 08:29:07,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-16 08:29:07,494 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 12.0) internal successors, (192), 16 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2024-11-16 08:29:07,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:29:07,620 INFO L225 Difference]: With dead ends: 118048 [2024-11-16 08:29:07,620 INFO L226 Difference]: Without dead ends: 109238 [2024-11-16 08:29:07,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=279, Invalid=843, Unknown=0, NotChecked=0, Total=1122 [2024-11-16 08:29:07,660 INFO L432 NwaCegarLoop]: 1102 mSDtfsCounter, 4078 mSDsluCounter, 8769 mSDsCounter, 0 mSdLazyCounter, 1723 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4078 SdHoareTripleChecker+Valid, 9871 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 08:29:07,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4078 Valid, 9871 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1723 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 08:29:07,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109238 states. [2024-11-16 08:29:08,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109238 to 72955. [2024-11-16 08:29:08,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72955 states, 72950 states have (on average 1.1993420150788212) internal successors, (87492), 72954 states have internal predecessors, (87492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:08,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72955 states to 72955 states and 87492 transitions. [2024-11-16 08:29:08,915 INFO L78 Accepts]: Start accepts. Automaton has 72955 states and 87492 transitions. Word has length 192 [2024-11-16 08:29:08,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:29:08,915 INFO L471 AbstractCegarLoop]: Abstraction has 72955 states and 87492 transitions. [2024-11-16 08:29:08,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 12.0) internal successors, (192), 16 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 72955 states and 87492 transitions. [2024-11-16 08:29:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-16 08:29:08,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:29:08,963 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:29:08,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 08:29:08,964 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:29:08,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:29:08,964 INFO L85 PathProgramCache]: Analyzing trace with hash -667846276, now seen corresponding path program 1 times [2024-11-16 08:29:08,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:29:08,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474871874] [2024-11-16 08:29:08,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:29:08,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:29:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:29:09,485 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 08:29:09,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:29:09,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474871874] [2024-11-16 08:29:09,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474871874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:29:09,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:29:09,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 08:29:09,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413661175] [2024-11-16 08:29:09,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:29:09,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 08:29:09,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:29:09,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 08:29:09,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-11-16 08:29:09,488 INFO L87 Difference]: Start difference. First operand 72955 states and 87492 transitions. Second operand has 16 states, 16 states have (on average 12.0) internal successors, (192), 16 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:11,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:29:11,089 INFO L93 Difference]: Finished difference Result 124395 states and 153623 transitions. [2024-11-16 08:29:11,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-16 08:29:11,089 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 12.0) internal successors, (192), 16 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2024-11-16 08:29:11,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:29:11,229 INFO L225 Difference]: With dead ends: 124395 [2024-11-16 08:29:11,229 INFO L226 Difference]: Without dead ends: 115727 [2024-11-16 08:29:11,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=272, Invalid=850, Unknown=0, NotChecked=0, Total=1122 [2024-11-16 08:29:11,268 INFO L432 NwaCegarLoop]: 1002 mSDtfsCounter, 5584 mSDsluCounter, 9243 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5584 SdHoareTripleChecker+Valid, 10245 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 08:29:11,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5584 Valid, 10245 Invalid, 1665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 08:29:11,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115727 states. [2024-11-16 08:29:12,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115727 to 77612. [2024-11-16 08:29:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77612 states, 77607 states have (on average 1.1950597239939695) internal successors, (92745), 77611 states have internal predecessors, (92745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77612 states to 77612 states and 92745 transitions. [2024-11-16 08:29:13,095 INFO L78 Accepts]: Start accepts. Automaton has 77612 states and 92745 transitions. Word has length 192 [2024-11-16 08:29:13,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:29:13,096 INFO L471 AbstractCegarLoop]: Abstraction has 77612 states and 92745 transitions. [2024-11-16 08:29:13,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 12.0) internal successors, (192), 16 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:13,098 INFO L276 IsEmpty]: Start isEmpty. Operand 77612 states and 92745 transitions. [2024-11-16 08:29:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-16 08:29:13,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:29:13,149 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:29:13,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-16 08:29:13,150 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:29:13,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:29:13,150 INFO L85 PathProgramCache]: Analyzing trace with hash 2100853633, now seen corresponding path program 1 times [2024-11-16 08:29:13,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:29:13,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452150757] [2024-11-16 08:29:13,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:29:13,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:29:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:29:13,860 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 08:29:13,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:29:13,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452150757] [2024-11-16 08:29:13,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452150757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:29:13,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:29:13,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 08:29:13,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344579528] [2024-11-16 08:29:13,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:29:13,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 08:29:13,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:29:13,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 08:29:13,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-11-16 08:29:13,862 INFO L87 Difference]: Start difference. First operand 77612 states and 92745 transitions. Second operand has 16 states, 16 states have (on average 12.0) internal successors, (192), 16 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:15,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:29:15,210 INFO L93 Difference]: Finished difference Result 143122 states and 177062 transitions. [2024-11-16 08:29:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-16 08:29:15,211 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 12.0) internal successors, (192), 16 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2024-11-16 08:29:15,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:29:15,642 INFO L225 Difference]: With dead ends: 143122 [2024-11-16 08:29:15,646 INFO L226 Difference]: Without dead ends: 134589 [2024-11-16 08:29:15,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=298, Invalid=962, Unknown=0, NotChecked=0, Total=1260 [2024-11-16 08:29:15,664 INFO L432 NwaCegarLoop]: 1056 mSDtfsCounter, 4678 mSDsluCounter, 8445 mSDsCounter, 0 mSdLazyCounter, 1727 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4678 SdHoareTripleChecker+Valid, 9501 SdHoareTripleChecker+Invalid, 1834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 08:29:15,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4678 Valid, 9501 Invalid, 1834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1727 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 08:29:15,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134589 states. [2024-11-16 08:29:17,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134589 to 87787. [2024-11-16 08:29:17,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87787 states, 87782 states have (on average 1.1877036294456722) internal successors, (104259), 87786 states have internal predecessors, (104259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:17,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87787 states to 87787 states and 104259 transitions. [2024-11-16 08:29:17,325 INFO L78 Accepts]: Start accepts. Automaton has 87787 states and 104259 transitions. Word has length 192 [2024-11-16 08:29:17,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:29:17,325 INFO L471 AbstractCegarLoop]: Abstraction has 87787 states and 104259 transitions. [2024-11-16 08:29:17,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 12.0) internal successors, (192), 16 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 87787 states and 104259 transitions. [2024-11-16 08:29:17,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-16 08:29:17,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:29:17,389 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:29:17,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-16 08:29:17,389 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:29:17,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:29:17,390 INFO L85 PathProgramCache]: Analyzing trace with hash -419537277, now seen corresponding path program 1 times [2024-11-16 08:29:17,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:29:17,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389268826] [2024-11-16 08:29:17,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:29:17,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:29:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:29:18,971 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 08:29:18,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:29:18,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389268826] [2024-11-16 08:29:18,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389268826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:29:18,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:29:18,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2024-11-16 08:29:18,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242177278] [2024-11-16 08:29:18,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:29:18,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-16 08:29:18,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:29:18,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-16 08:29:18,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2024-11-16 08:29:18,976 INFO L87 Difference]: Start difference. First operand 87787 states and 104259 transitions. Second operand has 24 states, 24 states have (on average 8.0) internal successors, (192), 24 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:24,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:29:24,739 INFO L93 Difference]: Finished difference Result 147000 states and 183594 transitions. [2024-11-16 08:29:24,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-16 08:29:24,740 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 8.0) internal successors, (192), 24 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2024-11-16 08:29:24,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:29:24,866 INFO L225 Difference]: With dead ends: 147000 [2024-11-16 08:29:24,866 INFO L226 Difference]: Without dead ends: 141080 [2024-11-16 08:29:24,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=480, Invalid=1872, Unknown=0, NotChecked=0, Total=2352 [2024-11-16 08:29:24,885 INFO L432 NwaCegarLoop]: 1582 mSDtfsCounter, 4348 mSDsluCounter, 22039 mSDsCounter, 0 mSdLazyCounter, 6155 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4348 SdHoareTripleChecker+Valid, 23621 SdHoareTripleChecker+Invalid, 6171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 6155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:29:24,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4348 Valid, 23621 Invalid, 6171 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 6155 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-16 08:29:24,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141080 states. [2024-11-16 08:29:26,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141080 to 90673. [2024-11-16 08:29:26,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90673 states, 90668 states have (on average 1.1865266687254599) internal successors, (107580), 90672 states have internal predecessors, (107580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:26,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90673 states to 90673 states and 107580 transitions. [2024-11-16 08:29:26,240 INFO L78 Accepts]: Start accepts. Automaton has 90673 states and 107580 transitions. Word has length 192 [2024-11-16 08:29:26,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:29:26,241 INFO L471 AbstractCegarLoop]: Abstraction has 90673 states and 107580 transitions. [2024-11-16 08:29:26,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.0) internal successors, (192), 24 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 90673 states and 107580 transitions. [2024-11-16 08:29:26,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-16 08:29:26,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:29:26,300 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:29:26,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-16 08:29:26,300 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:29:26,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:29:26,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1789477733, now seen corresponding path program 1 times [2024-11-16 08:29:26,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:29:26,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255690619] [2024-11-16 08:29:26,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:29:26,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:29:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:29:28,112 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 08:29:28,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:29:28,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255690619] [2024-11-16 08:29:28,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255690619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:29:28,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:29:28,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-16 08:29:28,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761245330] [2024-11-16 08:29:28,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:29:28,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-16 08:29:28,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:29:28,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-16 08:29:28,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:29:28,115 INFO L87 Difference]: Start difference. First operand 90673 states and 107580 transitions. Second operand has 23 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:34,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:29:34,514 INFO L93 Difference]: Finished difference Result 157712 states and 197375 transitions. [2024-11-16 08:29:34,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-16 08:29:34,515 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2024-11-16 08:29:34,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:29:34,671 INFO L225 Difference]: With dead ends: 157712 [2024-11-16 08:29:34,671 INFO L226 Difference]: Without dead ends: 152358 [2024-11-16 08:29:34,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 583 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=667, Invalid=2639, Unknown=0, NotChecked=0, Total=3306 [2024-11-16 08:29:34,704 INFO L432 NwaCegarLoop]: 1345 mSDtfsCounter, 5222 mSDsluCounter, 16572 mSDsCounter, 0 mSdLazyCounter, 5457 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5222 SdHoareTripleChecker+Valid, 17917 SdHoareTripleChecker+Invalid, 5535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 5457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:29:34,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5222 Valid, 17917 Invalid, 5535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 5457 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-16 08:29:34,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152358 states. [2024-11-16 08:29:36,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152358 to 93709. [2024-11-16 08:29:36,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93709 states, 93704 states have (on average 1.1850294544523179) internal successors, (111042), 93708 states have internal predecessors, (111042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:36,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93709 states to 93709 states and 111042 transitions. [2024-11-16 08:29:36,935 INFO L78 Accepts]: Start accepts. Automaton has 93709 states and 111042 transitions. Word has length 192 [2024-11-16 08:29:36,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:29:36,935 INFO L471 AbstractCegarLoop]: Abstraction has 93709 states and 111042 transitions. [2024-11-16 08:29:36,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 93709 states and 111042 transitions. [2024-11-16 08:29:37,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-16 08:29:37,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:29:37,001 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:29:37,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-16 08:29:37,001 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:29:37,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:29:37,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1255488732, now seen corresponding path program 1 times [2024-11-16 08:29:37,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:29:37,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746692732] [2024-11-16 08:29:37,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:29:37,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:29:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:29:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:29:37,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:29:37,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746692732] [2024-11-16 08:29:37,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746692732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:29:37,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:29:37,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 08:29:37,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526055355] [2024-11-16 08:29:37,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:29:37,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 08:29:37,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:29:37,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 08:29:37,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-16 08:29:37,242 INFO L87 Difference]: Start difference. First operand 93709 states and 111042 transitions. Second operand has 10 states, 10 states have (on average 19.2) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:37,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:29:37,603 INFO L93 Difference]: Finished difference Result 141553 states and 169559 transitions. [2024-11-16 08:29:37,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:29:37,603 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.2) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2024-11-16 08:29:37,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:29:37,673 INFO L225 Difference]: With dead ends: 141553 [2024-11-16 08:29:37,674 INFO L226 Difference]: Without dead ends: 68458 [2024-11-16 08:29:37,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:29:37,719 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 3461 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3461 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:29:37,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3461 Valid, 776 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:29:37,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68458 states. [2024-11-16 08:29:38,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68458 to 59673. [2024-11-16 08:29:38,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59673 states, 59668 states have (on average 1.1716833143393444) internal successors, (69912), 59672 states have internal predecessors, (69912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:38,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59673 states to 59673 states and 69912 transitions. [2024-11-16 08:29:38,916 INFO L78 Accepts]: Start accepts. Automaton has 59673 states and 69912 transitions. Word has length 192 [2024-11-16 08:29:38,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:29:38,917 INFO L471 AbstractCegarLoop]: Abstraction has 59673 states and 69912 transitions. [2024-11-16 08:29:38,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.2) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:29:38,917 INFO L276 IsEmpty]: Start isEmpty. Operand 59673 states and 69912 transitions. [2024-11-16 08:29:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-16 08:29:39,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:29:39,018 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:29:39,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-16 08:29:39,022 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-16 08:29:39,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:29:39,022 INFO L85 PathProgramCache]: Analyzing trace with hash -293566412, now seen corresponding path program 1 times [2024-11-16 08:29:39,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:29:39,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721754525] [2024-11-16 08:29:39,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:29:39,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:29:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat