./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/Problem05_label45+token_ring.13.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/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/combinations/Problem05_label45+token_ring.13.cil-1.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.graphml --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 d874363f5f49f36a9a30d2c3cc29fd064d32abc557b85cad7937ddf3d715286c --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 07:00:11,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 07:00:11,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 07:00:11,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 07:00:11,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 07:00:11,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 07:00:11,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 07:00:11,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 07:00:11,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 07:00:11,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 07:00:11,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 07:00:11,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 07:00:11,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 07:00:11,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 07:00:11,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 07:00:11,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 07:00:11,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 07:00:11,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 07:00:11,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 07:00:11,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 07:00:11,409 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 07:00:11,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 07:00:11,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 07:00:11,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 07:00:11,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 07:00:11,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 07:00:11,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 07:00:11,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 07:00:11,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 07:00:11,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 07:00:11,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 07:00:11,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 07:00:11,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 07:00:11,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 07:00:11,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 07:00:11,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 07:00:11,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 07:00:11,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 07:00:11,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 07:00:11,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 07:00:11,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 07:00:11,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 07:00:11,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 07:00:11,472 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 07:00:11,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 07:00:11,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 07:00:11,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 07:00:11,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 07:00:11,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 07:00:11,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 07:00:11,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 07:00:11,475 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 07:00:11,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 07:00:11,476 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 07:00:11,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 07:00:11,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 07:00:11,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 07:00:11,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 07:00:11,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 07:00:11,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 07:00:11,477 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 07:00:11,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 07:00:11,478 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 07:00:11,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 07:00:11,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 07:00:11,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 07:00:11,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 07:00:11,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 07:00:11,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 07:00:11,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 07:00:11,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 07:00:11,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 07:00:11,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 07:00:11,480 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 07:00:11,480 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 07:00:11,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 07:00:11,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d874363f5f49f36a9a30d2c3cc29fd064d32abc557b85cad7937ddf3d715286c [2022-07-21 07:00:11,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 07:00:11,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 07:00:11,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 07:00:11,846 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 07:00:11,846 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 07:00:11,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/Problem05_label45+token_ring.13.cil-1.c [2022-07-21 07:00:11,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b30361211/8abb6bfb29c94f8699c8bb139f6ee2aa/FLAG2f778328f [2022-07-21 07:00:12,821 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 07:00:12,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label45+token_ring.13.cil-1.c [2022-07-21 07:00:12,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b30361211/8abb6bfb29c94f8699c8bb139f6ee2aa/FLAG2f778328f [2022-07-21 07:00:13,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b30361211/8abb6bfb29c94f8699c8bb139f6ee2aa [2022-07-21 07:00:13,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 07:00:13,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 07:00:13,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 07:00:13,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 07:00:13,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 07:00:13,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 07:00:13" (1/1) ... [2022-07-21 07:00:13,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2c3a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:00:13, skipping insertion in model container [2022-07-21 07:00:13,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 07:00:13" (1/1) ... [2022-07-21 07:00:13,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 07:00:13,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 07:00:15,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label45+token_ring.13.cil-1.c[380323,380336] [2022-07-21 07:00:15,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label45+token_ring.13.cil-1.c[383339,383352] [2022-07-21 07:00:15,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 07:00:15,301 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 07:00:16,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label45+token_ring.13.cil-1.c[380323,380336] [2022-07-21 07:00:16,213 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label45+token_ring.13.cil-1.c[383339,383352] [2022-07-21 07:00:16,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 07:00:16,316 INFO L208 MainTranslator]: Completed translation [2022-07-21 07:00:16,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:00:16 WrapperNode [2022-07-21 07:00:16,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 07:00:16,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 07:00:16,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 07:00:16,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 07:00:16,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:00:16" (1/1) ... [2022-07-21 07:00:16,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:00:16" (1/1) ... [2022-07-21 07:00:16,817 INFO L137 Inliner]: procedures = 70, calls = 81, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 13262 [2022-07-21 07:00:16,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 07:00:16,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 07:00:16,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 07:00:16,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 07:00:16,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:00:16" (1/1) ... [2022-07-21 07:00:16,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:00:16" (1/1) ... [2022-07-21 07:00:16,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:00:16" (1/1) ... [2022-07-21 07:00:16,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:00:16" (1/1) ... [2022-07-21 07:00:17,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:00:16" (1/1) ... [2022-07-21 07:00:17,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:00:16" (1/1) ... [2022-07-21 07:00:17,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:00:16" (1/1) ... [2022-07-21 07:00:17,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 07:00:17,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 07:00:17,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 07:00:17,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 07:00:17,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:00:16" (1/1) ... [2022-07-21 07:00:17,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 07:00:17,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 07:00:17,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 07:00:17,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 07:00:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 07:00:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-07-21 07:00:17,562 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-07-21 07:00:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-07-21 07:00:17,563 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-07-21 07:00:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-07-21 07:00:17,563 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-07-21 07:00:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-07-21 07:00:17,563 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-07-21 07:00:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-07-21 07:00:17,564 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-07-21 07:00:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-07-21 07:00:17,564 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-07-21 07:00:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-07-21 07:00:17,564 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-07-21 07:00:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 07:00:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 07:00:17,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 07:00:17,811 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 07:00:17,812 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 07:00:23,863 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 07:00:23,899 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 07:00:23,899 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2022-07-21 07:00:23,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 07:00:23 BoogieIcfgContainer [2022-07-21 07:00:23,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 07:00:23,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 07:00:23,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 07:00:23,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 07:00:23,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 07:00:13" (1/3) ... [2022-07-21 07:00:23,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c4263f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 07:00:23, skipping insertion in model container [2022-07-21 07:00:23,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:00:16" (2/3) ... [2022-07-21 07:00:23,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c4263f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 07:00:23, skipping insertion in model container [2022-07-21 07:00:23,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 07:00:23" (3/3) ... [2022-07-21 07:00:23,913 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem05_label45+token_ring.13.cil-1.c [2022-07-21 07:00:23,925 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 07:00:23,925 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-21 07:00:24,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 07:00:24,008 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@632c1750, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3f7ae224 [2022-07-21 07:00:24,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-21 07:00:24,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 2598 states, 2559 states have (on average 1.842125830402501) internal successors, (4714), 2564 states have internal predecessors, (4714), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2022-07-21 07:00:24,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 07:00:24,035 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:00:24,035 INFO L195 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] [2022-07-21 07:00:24,036 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:00:24,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:00:24,040 INFO L85 PathProgramCache]: Analyzing trace with hash -384467650, now seen corresponding path program 1 times [2022-07-21 07:00:24,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:00:24,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687672138] [2022-07-21 07:00:24,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:00:24,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:00:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:24,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 07:00:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:24,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 07:00:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:24,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 07:00:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:24,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 07:00:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:24,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 07:00:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:24,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:00:24,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:00:24,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687672138] [2022-07-21 07:00:24,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687672138] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:00:24,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:00:24,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 07:00:24,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798668113] [2022-07-21 07:00:24,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:00:24,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 07:00:24,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:00:24,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 07:00:24,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 07:00:24,572 INFO L87 Difference]: Start difference. First operand has 2598 states, 2559 states have (on average 1.842125830402501) internal successors, (4714), 2564 states have internal predecessors, (4714), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:26,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:00:26,653 INFO L93 Difference]: Finished difference Result 5340 states and 9793 transitions. [2022-07-21 07:00:26,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 07:00:26,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2022-07-21 07:00:26,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:00:26,678 INFO L225 Difference]: With dead ends: 5340 [2022-07-21 07:00:26,678 INFO L226 Difference]: Without dead ends: 2683 [2022-07-21 07:00:26,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 07:00:26,690 INFO L413 NwaCegarLoop]: 4741 mSDtfsCounter, 1121 mSDsluCounter, 12509 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 17250 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 07:00:26,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 17250 Invalid, 842 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [66 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 07:00:26,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2022-07-21 07:00:26,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2530. [2022-07-21 07:00:26,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2530 states, 2493 states have (on average 1.824709185720016) internal successors, (4549), 2496 states have internal predecessors, (4549), 29 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-21 07:00:26,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 4605 transitions. [2022-07-21 07:00:26,814 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 4605 transitions. Word has length 190 [2022-07-21 07:00:26,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:00:26,815 INFO L495 AbstractCegarLoop]: Abstraction has 2530 states and 4605 transitions. [2022-07-21 07:00:26,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:26,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 4605 transitions. [2022-07-21 07:00:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 07:00:26,822 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:00:26,822 INFO L195 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] [2022-07-21 07:00:26,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 07:00:26,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:00:26,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:00:26,824 INFO L85 PathProgramCache]: Analyzing trace with hash 431579580, now seen corresponding path program 1 times [2022-07-21 07:00:26,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:00:26,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514914941] [2022-07-21 07:00:26,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:00:26,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:00:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:26,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 07:00:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:26,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 07:00:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 07:00:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 07:00:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:26,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 07:00:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:27,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:00:27,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:00:27,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514914941] [2022-07-21 07:00:27,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514914941] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:00:27,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:00:27,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 07:00:27,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784631364] [2022-07-21 07:00:27,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:00:27,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 07:00:27,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:00:27,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 07:00:27,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 07:00:27,005 INFO L87 Difference]: Start difference. First operand 2530 states and 4605 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:28,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:00:28,667 INFO L93 Difference]: Finished difference Result 3075 states and 5487 transitions. [2022-07-21 07:00:28,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 07:00:28,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2022-07-21 07:00:28,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:00:28,690 INFO L225 Difference]: With dead ends: 3075 [2022-07-21 07:00:28,690 INFO L226 Difference]: Without dead ends: 2683 [2022-07-21 07:00:28,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 07:00:28,697 INFO L413 NwaCegarLoop]: 4671 mSDtfsCounter, 1107 mSDsluCounter, 12306 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 16977 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 07:00:28,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 16977 Invalid, 841 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [66 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 07:00:28,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2022-07-21 07:00:28,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2530. [2022-07-21 07:00:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2530 states, 2493 states have (on average 1.8243080625752106) internal successors, (4548), 2496 states have internal predecessors, (4548), 29 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-21 07:00:28,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 4604 transitions. [2022-07-21 07:00:28,795 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 4604 transitions. Word has length 190 [2022-07-21 07:00:28,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:00:28,797 INFO L495 AbstractCegarLoop]: Abstraction has 2530 states and 4604 transitions. [2022-07-21 07:00:28,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 4604 transitions. [2022-07-21 07:00:28,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 07:00:28,802 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:00:28,802 INFO L195 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] [2022-07-21 07:00:28,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 07:00:28,803 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:00:28,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:00:28,804 INFO L85 PathProgramCache]: Analyzing trace with hash -217013190, now seen corresponding path program 1 times [2022-07-21 07:00:28,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:00:28,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939399668] [2022-07-21 07:00:28,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:00:28,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:00:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:28,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 07:00:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:28,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 07:00:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:28,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 07:00:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:28,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 07:00:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 07:00:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:00:29,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:00:29,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939399668] [2022-07-21 07:00:29,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939399668] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:00:29,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:00:29,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 07:00:29,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612710462] [2022-07-21 07:00:29,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:00:29,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 07:00:29,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:00:29,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 07:00:29,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 07:00:29,012 INFO L87 Difference]: Start difference. First operand 2530 states and 4604 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:32,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:00:32,147 INFO L93 Difference]: Finished difference Result 3632 states and 6395 transitions. [2022-07-21 07:00:32,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 07:00:32,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2022-07-21 07:00:32,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:00:32,162 INFO L225 Difference]: With dead ends: 3632 [2022-07-21 07:00:32,163 INFO L226 Difference]: Without dead ends: 3244 [2022-07-21 07:00:32,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-07-21 07:00:32,166 INFO L413 NwaCegarLoop]: 4727 mSDtfsCounter, 5640 mSDsluCounter, 12917 mSDsCounter, 0 mSdLazyCounter, 2164 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5660 SdHoareTripleChecker+Valid, 17644 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 07:00:32,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5660 Valid, 17644 Invalid, 2292 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [128 Valid, 2164 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 07:00:32,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3244 states. [2022-07-21 07:00:32,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3244 to 2937. [2022-07-21 07:00:32,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2871 states have (on average 1.79554162312783) internal successors, (5155), 2875 states have internal predecessors, (5155), 51 states have call successors, (51), 13 states have call predecessors, (51), 13 states have return successors, (52), 49 states have call predecessors, (52), 49 states have call successors, (52) [2022-07-21 07:00:32,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5258 transitions. [2022-07-21 07:00:32,264 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5258 transitions. Word has length 190 [2022-07-21 07:00:32,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:00:32,265 INFO L495 AbstractCegarLoop]: Abstraction has 2937 states and 5258 transitions. [2022-07-21 07:00:32,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:32,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5258 transitions. [2022-07-21 07:00:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 07:00:32,268 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:00:32,268 INFO L195 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] [2022-07-21 07:00:32,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 07:00:32,269 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:00:32,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:00:32,269 INFO L85 PathProgramCache]: Analyzing trace with hash -2064039626, now seen corresponding path program 1 times [2022-07-21 07:00:32,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:00:32,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518875280] [2022-07-21 07:00:32,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:00:32,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:00:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 07:00:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:32,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 07:00:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:32,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 07:00:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:32,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 07:00:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:32,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 07:00:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:00:32,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:00:32,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518875280] [2022-07-21 07:00:32,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518875280] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:00:32,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:00:32,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 07:00:32,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340963046] [2022-07-21 07:00:32,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:00:32,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 07:00:32,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:00:32,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 07:00:32,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 07:00:32,444 INFO L87 Difference]: Start difference. First operand 2937 states and 5258 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:36,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:00:36,489 INFO L93 Difference]: Finished difference Result 4620 states and 7998 transitions. [2022-07-21 07:00:36,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 07:00:36,500 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2022-07-21 07:00:36,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:00:36,520 INFO L225 Difference]: With dead ends: 4620 [2022-07-21 07:00:36,521 INFO L226 Difference]: Without dead ends: 3825 [2022-07-21 07:00:36,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-07-21 07:00:36,527 INFO L413 NwaCegarLoop]: 5060 mSDtfsCounter, 5676 mSDsluCounter, 17912 mSDsCounter, 0 mSdLazyCounter, 3366 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5696 SdHoareTripleChecker+Valid, 22972 SdHoareTripleChecker+Invalid, 3452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 3366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-21 07:00:36,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5696 Valid, 22972 Invalid, 3452 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [86 Valid, 3366 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-21 07:00:36,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2022-07-21 07:00:36,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3315. [2022-07-21 07:00:36,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3315 states, 3220 states have (on average 1.7714285714285714) internal successors, (5704), 3225 states have internal predecessors, (5704), 73 states have call successors, (73), 19 states have call predecessors, (73), 20 states have return successors, (76), 72 states have call predecessors, (76), 71 states have call successors, (76) [2022-07-21 07:00:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 3315 states and 5853 transitions. [2022-07-21 07:00:36,718 INFO L78 Accepts]: Start accepts. Automaton has 3315 states and 5853 transitions. Word has length 190 [2022-07-21 07:00:36,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:00:36,725 INFO L495 AbstractCegarLoop]: Abstraction has 3315 states and 5853 transitions. [2022-07-21 07:00:36,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:36,725 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 5853 transitions. [2022-07-21 07:00:36,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 07:00:36,728 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:00:36,728 INFO L195 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] [2022-07-21 07:00:36,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 07:00:36,729 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:00:36,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:00:36,730 INFO L85 PathProgramCache]: Analyzing trace with hash 307677240, now seen corresponding path program 1 times [2022-07-21 07:00:36,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:00:36,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079797408] [2022-07-21 07:00:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:00:36,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:00:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:36,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 07:00:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:36,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 07:00:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:36,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 07:00:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:36,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 07:00:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:36,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 07:00:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:36,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:00:36,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:00:36,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079797408] [2022-07-21 07:00:36,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079797408] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:00:36,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:00:36,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 07:00:36,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38329202] [2022-07-21 07:00:36,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:00:36,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 07:00:36,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:00:36,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 07:00:36,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 07:00:36,917 INFO L87 Difference]: Start difference. First operand 3315 states and 5853 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:40,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:00:40,704 INFO L93 Difference]: Finished difference Result 6076 states and 10341 transitions. [2022-07-21 07:00:40,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 07:00:40,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2022-07-21 07:00:40,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:00:40,726 INFO L225 Difference]: With dead ends: 6076 [2022-07-21 07:00:40,727 INFO L226 Difference]: Without dead ends: 4903 [2022-07-21 07:00:40,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-07-21 07:00:40,734 INFO L413 NwaCegarLoop]: 5048 mSDtfsCounter, 5670 mSDsluCounter, 17912 mSDsCounter, 0 mSdLazyCounter, 3355 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5690 SdHoareTripleChecker+Valid, 22960 SdHoareTripleChecker+Invalid, 3443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 3355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-21 07:00:40,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5690 Valid, 22960 Invalid, 3443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [88 Valid, 3355 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-21 07:00:40,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4903 states. [2022-07-21 07:00:40,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4903 to 4075. [2022-07-21 07:00:40,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4075 states, 3922 states have (on average 1.7361040285568587) internal successors, (6809), 3929 states have internal predecessors, (6809), 117 states have call successors, (117), 31 states have call predecessors, (117), 34 states have return successors, (128), 118 states have call predecessors, (128), 115 states have call successors, (128) [2022-07-21 07:00:41,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4075 states to 4075 states and 7054 transitions. [2022-07-21 07:00:41,061 INFO L78 Accepts]: Start accepts. Automaton has 4075 states and 7054 transitions. Word has length 190 [2022-07-21 07:00:41,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:00:41,062 INFO L495 AbstractCegarLoop]: Abstraction has 4075 states and 7054 transitions. [2022-07-21 07:00:41,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand 4075 states and 7054 transitions. [2022-07-21 07:00:41,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 07:00:41,070 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:00:41,070 INFO L195 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] [2022-07-21 07:00:41,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 07:00:41,071 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:00:41,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:00:41,072 INFO L85 PathProgramCache]: Analyzing trace with hash 806234042, now seen corresponding path program 1 times [2022-07-21 07:00:41,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:00:41,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203948295] [2022-07-21 07:00:41,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:00:41,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:00:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:41,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 07:00:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:41,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 07:00:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:41,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 07:00:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:41,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 07:00:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:41,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 07:00:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:41,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:00:41,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:00:41,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203948295] [2022-07-21 07:00:41,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203948295] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:00:41,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:00:41,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 07:00:41,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314718671] [2022-07-21 07:00:41,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:00:41,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 07:00:41,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:00:41,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 07:00:41,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 07:00:41,272 INFO L87 Difference]: Start difference. First operand 4075 states and 7054 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:44,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:00:44,719 INFO L93 Difference]: Finished difference Result 8882 states and 14826 transitions. [2022-07-21 07:00:44,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 07:00:44,719 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2022-07-21 07:00:44,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:00:44,749 INFO L225 Difference]: With dead ends: 8882 [2022-07-21 07:00:44,749 INFO L226 Difference]: Without dead ends: 6949 [2022-07-21 07:00:44,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-07-21 07:00:44,761 INFO L413 NwaCegarLoop]: 5043 mSDtfsCounter, 5669 mSDsluCounter, 17912 mSDsCounter, 0 mSdLazyCounter, 3347 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5689 SdHoareTripleChecker+Valid, 22955 SdHoareTripleChecker+Invalid, 3435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 3347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-21 07:00:44,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5689 Valid, 22955 Invalid, 3435 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [88 Valid, 3347 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-21 07:00:44,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6949 states. [2022-07-21 07:00:45,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6949 to 5596. [2022-07-21 07:00:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5596 states, 5327 states have (on average 1.6930730242162568) internal successors, (9019), 5338 states have internal predecessors, (9019), 205 states have call successors, (205), 55 states have call predecessors, (205), 62 states have return successors, (238), 210 states have call predecessors, (238), 203 states have call successors, (238) [2022-07-21 07:00:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5596 states to 5596 states and 9462 transitions. [2022-07-21 07:00:45,089 INFO L78 Accepts]: Start accepts. Automaton has 5596 states and 9462 transitions. Word has length 190 [2022-07-21 07:00:45,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:00:45,090 INFO L495 AbstractCegarLoop]: Abstraction has 5596 states and 9462 transitions. [2022-07-21 07:00:45,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:45,090 INFO L276 IsEmpty]: Start isEmpty. Operand 5596 states and 9462 transitions. [2022-07-21 07:00:45,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 07:00:45,093 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:00:45,094 INFO L195 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] [2022-07-21 07:00:45,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 07:00:45,094 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:00:45,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:00:45,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1376505848, now seen corresponding path program 1 times [2022-07-21 07:00:45,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:00:45,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609308159] [2022-07-21 07:00:45,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:00:45,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:00:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:45,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 07:00:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:45,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 07:00:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:45,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 07:00:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:45,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 07:00:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:45,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 07:00:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:00:45,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:00:45,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609308159] [2022-07-21 07:00:45,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609308159] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:00:45,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:00:45,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 07:00:45,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874886552] [2022-07-21 07:00:45,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:00:45,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 07:00:45,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:00:45,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 07:00:45,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 07:00:45,253 INFO L87 Difference]: Start difference. First operand 5596 states and 9462 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:48,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:00:48,924 INFO L93 Difference]: Finished difference Result 14493 states and 23812 transitions. [2022-07-21 07:00:48,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 07:00:48,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2022-07-21 07:00:48,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:00:48,963 INFO L225 Difference]: With dead ends: 14493 [2022-07-21 07:00:48,964 INFO L226 Difference]: Without dead ends: 11039 [2022-07-21 07:00:48,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-07-21 07:00:48,983 INFO L413 NwaCegarLoop]: 5038 mSDtfsCounter, 5668 mSDsluCounter, 17912 mSDsCounter, 0 mSdLazyCounter, 3339 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5688 SdHoareTripleChecker+Valid, 22950 SdHoareTripleChecker+Invalid, 3427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 3339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-21 07:00:48,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5688 Valid, 22950 Invalid, 3427 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [88 Valid, 3339 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-21 07:00:48,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11039 states. [2022-07-21 07:00:49,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11039 to 8645. [2022-07-21 07:00:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8645 states, 8144 states have (on average 1.6513998035363457) internal successors, (13449), 8163 states have internal predecessors, (13449), 381 states have call successors, (381), 103 states have call predecessors, (381), 118 states have return successors, (476), 394 states have call predecessors, (476), 379 states have call successors, (476) [2022-07-21 07:00:49,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8645 states to 8645 states and 14306 transitions. [2022-07-21 07:00:49,539 INFO L78 Accepts]: Start accepts. Automaton has 8645 states and 14306 transitions. Word has length 190 [2022-07-21 07:00:49,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:00:49,540 INFO L495 AbstractCegarLoop]: Abstraction has 8645 states and 14306 transitions. [2022-07-21 07:00:49,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:49,540 INFO L276 IsEmpty]: Start isEmpty. Operand 8645 states and 14306 transitions. [2022-07-21 07:00:49,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 07:00:49,545 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:00:49,545 INFO L195 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] [2022-07-21 07:00:49,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 07:00:49,546 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:00:49,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:00:49,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1514592262, now seen corresponding path program 1 times [2022-07-21 07:00:49,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:00:49,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040338788] [2022-07-21 07:00:49,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:00:49,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:00:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:49,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 07:00:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:49,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 07:00:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:49,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 07:00:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:49,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 07:00:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:49,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 07:00:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:00:49,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:00:49,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040338788] [2022-07-21 07:00:49,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040338788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:00:49,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:00:49,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 07:00:49,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073924788] [2022-07-21 07:00:49,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:00:49,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 07:00:49,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:00:49,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 07:00:49,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 07:00:49,698 INFO L87 Difference]: Start difference. First operand 8645 states and 14306 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:53,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:00:53,776 INFO L93 Difference]: Finished difference Result 25716 states and 41846 transitions. [2022-07-21 07:00:53,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 07:00:53,777 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2022-07-21 07:00:53,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:00:53,853 INFO L225 Difference]: With dead ends: 25716 [2022-07-21 07:00:53,853 INFO L226 Difference]: Without dead ends: 19213 [2022-07-21 07:00:53,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-07-21 07:00:53,887 INFO L413 NwaCegarLoop]: 4762 mSDtfsCounter, 5779 mSDsluCounter, 17192 mSDsCounter, 0 mSdLazyCounter, 2964 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5799 SdHoareTripleChecker+Valid, 21954 SdHoareTripleChecker+Invalid, 3094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-21 07:00:53,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5799 Valid, 21954 Invalid, 3094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2964 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-21 07:00:53,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19213 states. [2022-07-21 07:00:54,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19213 to 14758. [2022-07-21 07:00:54,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14758 states, 13793 states have (on average 1.6190096425723193) internal successors, (22331), 13828 states have internal predecessors, (22331), 733 states have call successors, (733), 199 states have call predecessors, (733), 230 states have return successors, (1006), 762 states have call predecessors, (1006), 731 states have call successors, (1006) [2022-07-21 07:00:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14758 states to 14758 states and 24070 transitions. [2022-07-21 07:00:55,021 INFO L78 Accepts]: Start accepts. Automaton has 14758 states and 24070 transitions. Word has length 190 [2022-07-21 07:00:55,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:00:55,022 INFO L495 AbstractCegarLoop]: Abstraction has 14758 states and 24070 transitions. [2022-07-21 07:00:55,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:55,022 INFO L276 IsEmpty]: Start isEmpty. Operand 14758 states and 24070 transitions. [2022-07-21 07:00:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 07:00:55,031 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:00:55,032 INFO L195 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] [2022-07-21 07:00:55,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 07:00:55,032 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:00:55,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:00:55,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1994377144, now seen corresponding path program 1 times [2022-07-21 07:00:55,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:00:55,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901301949] [2022-07-21 07:00:55,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:00:55,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:00:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:55,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 07:00:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:55,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 07:00:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:55,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 07:00:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:55,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 07:00:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:55,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 07:00:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:00:55,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:00:55,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901301949] [2022-07-21 07:00:55,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901301949] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:00:55,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:00:55,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 07:00:55,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731203029] [2022-07-21 07:00:55,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:00:55,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 07:00:55,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:00:55,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 07:00:55,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 07:00:55,190 INFO L87 Difference]: Start difference. First operand 14758 states and 24070 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:58,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:00:58,285 INFO L93 Difference]: Finished difference Result 32108 states and 52373 transitions. [2022-07-21 07:00:58,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 07:00:58,286 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2022-07-21 07:00:58,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:00:58,347 INFO L225 Difference]: With dead ends: 32108 [2022-07-21 07:00:58,348 INFO L226 Difference]: Without dead ends: 19492 [2022-07-21 07:00:58,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-07-21 07:00:58,390 INFO L413 NwaCegarLoop]: 4649 mSDtfsCounter, 5175 mSDsluCounter, 16860 mSDsCounter, 0 mSdLazyCounter, 1588 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5196 SdHoareTripleChecker+Valid, 21509 SdHoareTripleChecker+Invalid, 1679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 07:00:58,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5196 Valid, 21509 Invalid, 1679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1588 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 07:00:58,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19492 states. [2022-07-21 07:00:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19492 to 14758. [2022-07-21 07:00:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14758 states, 13793 states have (on average 1.6166171246284347) internal successors, (22298), 13828 states have internal predecessors, (22298), 733 states have call successors, (733), 199 states have call predecessors, (733), 230 states have return successors, (1006), 762 states have call predecessors, (1006), 731 states have call successors, (1006) [2022-07-21 07:00:59,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14758 states to 14758 states and 24037 transitions. [2022-07-21 07:00:59,363 INFO L78 Accepts]: Start accepts. Automaton has 14758 states and 24037 transitions. Word has length 190 [2022-07-21 07:00:59,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:00:59,364 INFO L495 AbstractCegarLoop]: Abstraction has 14758 states and 24037 transitions. [2022-07-21 07:00:59,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:00:59,364 INFO L276 IsEmpty]: Start isEmpty. Operand 14758 states and 24037 transitions. [2022-07-21 07:00:59,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 07:00:59,373 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:00:59,374 INFO L195 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] [2022-07-21 07:00:59,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 07:00:59,374 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:00:59,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:00:59,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1633208262, now seen corresponding path program 1 times [2022-07-21 07:00:59,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:00:59,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858147894] [2022-07-21 07:00:59,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:00:59,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:00:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 07:00:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:59,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 07:00:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:59,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 07:00:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:59,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 07:00:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:59,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 07:00:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:00:59,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:00:59,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:00:59,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858147894] [2022-07-21 07:00:59,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858147894] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:00:59,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:00:59,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 07:00:59,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764467596] [2022-07-21 07:00:59,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:00:59,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 07:00:59,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:00:59,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 07:00:59,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 07:00:59,551 INFO L87 Difference]: Start difference. First operand 14758 states and 24037 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:01:05,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:01:05,572 INFO L93 Difference]: Finished difference Result 48129 states and 77876 transitions. [2022-07-21 07:01:05,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 07:01:05,573 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2022-07-21 07:01:05,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:01:05,714 INFO L225 Difference]: With dead ends: 48129 [2022-07-21 07:01:05,715 INFO L226 Difference]: Without dead ends: 35513 [2022-07-21 07:01:05,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-07-21 07:01:05,757 INFO L413 NwaCegarLoop]: 5022 mSDtfsCounter, 5659 mSDsluCounter, 17912 mSDsCounter, 0 mSdLazyCounter, 3304 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5679 SdHoareTripleChecker+Valid, 22934 SdHoareTripleChecker+Invalid, 3392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 3304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 07:01:05,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5679 Valid, 22934 Invalid, 3392 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [88 Valid, 3304 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 07:01:05,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35513 states. [2022-07-21 07:01:07,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35513 to 27048. [2022-07-21 07:01:07,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27048 states, 25155 states have (on average 1.5945140131186644) internal successors, (40110), 25222 states have internal predecessors, (40110), 1437 states have call successors, (1437), 391 states have call predecessors, (1437), 454 states have return successors, (2228), 1498 states have call predecessors, (2228), 1435 states have call successors, (2228) [2022-07-21 07:01:07,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27048 states to 27048 states and 43775 transitions. [2022-07-21 07:01:07,882 INFO L78 Accepts]: Start accepts. Automaton has 27048 states and 43775 transitions. Word has length 190 [2022-07-21 07:01:07,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:01:07,882 INFO L495 AbstractCegarLoop]: Abstraction has 27048 states and 43775 transitions. [2022-07-21 07:01:07,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:01:07,883 INFO L276 IsEmpty]: Start isEmpty. Operand 27048 states and 43775 transitions. [2022-07-21 07:01:07,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 07:01:07,896 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:01:07,896 INFO L195 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] [2022-07-21 07:01:07,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 07:01:07,897 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:01:07,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:01:07,898 INFO L85 PathProgramCache]: Analyzing trace with hash 466530168, now seen corresponding path program 1 times [2022-07-21 07:01:07,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:01:07,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719328324] [2022-07-21 07:01:07,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:01:07,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:01:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:07,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 07:01:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:07,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 07:01:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 07:01:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 07:01:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 07:01:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:01:08,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:01:08,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719328324] [2022-07-21 07:01:08,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719328324] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:01:08,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:01:08,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 07:01:08,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082626778] [2022-07-21 07:01:08,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:01:08,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 07:01:08,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:01:08,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 07:01:08,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 07:01:08,066 INFO L87 Difference]: Start difference. First operand 27048 states and 43775 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:01:17,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:01:17,042 INFO L93 Difference]: Finished difference Result 93025 states and 150812 transitions. [2022-07-21 07:01:17,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 07:01:17,046 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2022-07-21 07:01:17,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:01:17,399 INFO L225 Difference]: With dead ends: 93025 [2022-07-21 07:01:17,399 INFO L226 Difference]: Without dead ends: 68119 [2022-07-21 07:01:17,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-07-21 07:01:17,474 INFO L413 NwaCegarLoop]: 5015 mSDtfsCounter, 5661 mSDsluCounter, 17912 mSDsCounter, 0 mSdLazyCounter, 3293 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5681 SdHoareTripleChecker+Valid, 22927 SdHoareTripleChecker+Invalid, 3384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 07:01:17,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5681 Valid, 22927 Invalid, 3384 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [91 Valid, 3293 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 07:01:17,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68119 states. [2022-07-21 07:01:21,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68119 to 51689. [2022-07-21 07:01:21,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51689 states, 47940 states have (on average 1.5816437213183145) internal successors, (75824), 48071 states have internal predecessors, (75824), 2845 states have call successors, (2845), 775 states have call predecessors, (2845), 902 states have return successors, (5158), 2970 states have call predecessors, (5158), 2843 states have call successors, (5158) [2022-07-21 07:01:21,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51689 states to 51689 states and 83827 transitions. [2022-07-21 07:01:21,666 INFO L78 Accepts]: Start accepts. Automaton has 51689 states and 83827 transitions. Word has length 190 [2022-07-21 07:01:21,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:01:21,667 INFO L495 AbstractCegarLoop]: Abstraction has 51689 states and 83827 transitions. [2022-07-21 07:01:21,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:01:21,667 INFO L276 IsEmpty]: Start isEmpty. Operand 51689 states and 83827 transitions. [2022-07-21 07:01:21,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 07:01:21,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:01:21,694 INFO L195 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] [2022-07-21 07:01:21,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 07:01:21,694 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:01:21,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:01:21,695 INFO L85 PathProgramCache]: Analyzing trace with hash 811358330, now seen corresponding path program 1 times [2022-07-21 07:01:21,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:01:21,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848520464] [2022-07-21 07:01:21,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:01:21,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:01:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:21,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 07:01:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:21,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 07:01:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 07:01:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 07:01:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:21,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 07:01:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:21,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:01:21,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:01:21,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848520464] [2022-07-21 07:01:21,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848520464] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:01:21,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:01:21,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 07:01:21,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419634122] [2022-07-21 07:01:21,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:01:21,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 07:01:21,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:01:21,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 07:01:21,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 07:01:21,975 INFO L87 Difference]: Start difference. First operand 51689 states and 83827 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:01:29,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:01:29,719 INFO L93 Difference]: Finished difference Result 118634 states and 194806 transitions. [2022-07-21 07:01:29,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 07:01:29,720 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2022-07-21 07:01:29,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:01:29,973 INFO L225 Difference]: With dead ends: 118634 [2022-07-21 07:01:29,974 INFO L226 Difference]: Without dead ends: 69087 [2022-07-21 07:01:30,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-07-21 07:01:30,095 INFO L413 NwaCegarLoop]: 4635 mSDtfsCounter, 5355 mSDsluCounter, 12687 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5376 SdHoareTripleChecker+Valid, 17322 SdHoareTripleChecker+Invalid, 1508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 07:01:30,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5376 Valid, 17322 Invalid, 1508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1385 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 07:01:30,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69087 states. [2022-07-21 07:01:34,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69087 to 51689. [2022-07-21 07:01:34,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51689 states, 47940 states have (on average 1.5789528577388403) internal successors, (75695), 48071 states have internal predecessors, (75695), 2845 states have call successors, (2845), 775 states have call predecessors, (2845), 902 states have return successors, (5158), 2970 states have call predecessors, (5158), 2843 states have call successors, (5158) [2022-07-21 07:01:34,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51689 states to 51689 states and 83698 transitions. [2022-07-21 07:01:34,796 INFO L78 Accepts]: Start accepts. Automaton has 51689 states and 83698 transitions. Word has length 190 [2022-07-21 07:01:34,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:01:34,797 INFO L495 AbstractCegarLoop]: Abstraction has 51689 states and 83698 transitions. [2022-07-21 07:01:34,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:01:34,797 INFO L276 IsEmpty]: Start isEmpty. Operand 51689 states and 83698 transitions. [2022-07-21 07:01:34,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 07:01:34,817 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:01:34,817 INFO L195 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] [2022-07-21 07:01:34,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 07:01:34,818 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:01:34,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:01:34,818 INFO L85 PathProgramCache]: Analyzing trace with hash -958113284, now seen corresponding path program 1 times [2022-07-21 07:01:34,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:01:34,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761409983] [2022-07-21 07:01:34,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:01:34,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:01:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 07:01:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:34,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 07:01:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:34,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 07:01:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 07:01:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:34,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 07:01:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:01:34,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:01:34,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:01:34,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761409983] [2022-07-21 07:01:34,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761409983] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:01:34,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:01:34,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 07:01:34,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832245040] [2022-07-21 07:01:34,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:01:34,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 07:01:34,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:01:34,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 07:01:34,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 07:01:34,982 INFO L87 Difference]: Start difference. First operand 51689 states and 83698 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 07:01:51,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:01:51,427 INFO L93 Difference]: Finished difference Result 182556 states and 297366 transitions. [2022-07-21 07:01:51,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 07:01:51,427 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2022-07-21 07:01:51,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:01:51,951 INFO L225 Difference]: With dead ends: 182556 [2022-07-21 07:01:51,952 INFO L226 Difference]: Without dead ends: 133009 [2022-07-21 07:01:52,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-07-21 07:01:52,097 INFO L413 NwaCegarLoop]: 5000 mSDtfsCounter, 5649 mSDsluCounter, 17912 mSDsCounter, 0 mSdLazyCounter, 3256 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5669 SdHoareTripleChecker+Valid, 22912 SdHoareTripleChecker+Invalid, 3347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 07:01:52,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5669 Valid, 22912 Invalid, 3347 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [91 Valid, 3256 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 07:01:52,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133009 states.