./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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/eca-rers2012/Problem11_label05.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 6998e746c84ec80cbdf636f88f142c2942fd045c8cffd9bc8881e887e07cd119 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 12:04:20,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 12:04:20,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 12:04:20,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 12:04:20,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 12:04:20,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 12:04:20,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 12:04:20,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 12:04:20,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 12:04:20,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 12:04:20,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 12:04:20,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 12:04:20,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 12:04:20,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 12:04:20,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 12:04:20,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 12:04:20,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 12:04:20,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 12:04:20,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 12:04:20,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 12:04:20,334 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 12:04:20,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 12:04:20,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 12:04:20,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 12:04:20,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 12:04:20,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 12:04:20,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 12:04:20,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 12:04:20,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 12:04:20,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 12:04:20,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 12:04:20,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 12:04:20,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 12:04:20,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 12:04:20,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 12:04:20,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 12:04:20,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 12:04:20,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 12:04:20,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 12:04:20,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 12:04:20,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 12:04:20,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 12:04:20,357 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 12:04:20,381 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 12:04:20,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 12:04:20,382 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 12:04:20,382 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 12:04:20,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 12:04:20,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 12:04:20,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 12:04:20,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 12:04:20,384 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 12:04:20,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 12:04:20,385 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 12:04:20,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 12:04:20,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 12:04:20,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 12:04:20,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 12:04:20,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 12:04:20,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 12:04:20,386 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 12:04:20,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 12:04:20,386 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 12:04:20,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 12:04:20,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 12:04:20,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 12:04:20,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 12:04:20,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 12:04:20,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 12:04:20,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 12:04:20,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 12:04:20,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 12:04:20,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 12:04:20,389 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 12:04:20,389 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 12:04:20,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 12:04:20,389 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6998e746c84ec80cbdf636f88f142c2942fd045c8cffd9bc8881e887e07cd119 [2022-07-19 12:04:20,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 12:04:20,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 12:04:20,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 12:04:20,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 12:04:20,616 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 12:04:20,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label05.c [2022-07-19 12:04:20,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3cc932e/b33b0db49cd84c67abe96bbc7d3c535c/FLAGd77c27c0c [2022-07-19 12:04:21,211 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 12:04:21,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label05.c [2022-07-19 12:04:21,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3cc932e/b33b0db49cd84c67abe96bbc7d3c535c/FLAGd77c27c0c [2022-07-19 12:04:21,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3cc932e/b33b0db49cd84c67abe96bbc7d3c535c [2022-07-19 12:04:21,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 12:04:21,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 12:04:21,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 12:04:21,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 12:04:21,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 12:04:21,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 12:04:21" (1/1) ... [2022-07-19 12:04:21,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e72ec87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:21, skipping insertion in model container [2022-07-19 12:04:21,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 12:04:21" (1/1) ... [2022-07-19 12:04:21,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 12:04:21,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 12:04:22,004 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/eca-rers2012/Problem11_label05.c[9225,9238] [2022-07-19 12:04:22,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 12:04:22,204 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 12:04:22,239 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/eca-rers2012/Problem11_label05.c[9225,9238] [2022-07-19 12:04:22,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 12:04:22,357 INFO L208 MainTranslator]: Completed translation [2022-07-19 12:04:22,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:22 WrapperNode [2022-07-19 12:04:22,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 12:04:22,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 12:04:22,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 12:04:22,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 12:04:22,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:22" (1/1) ... [2022-07-19 12:04:22,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:22" (1/1) ... [2022-07-19 12:04:22,498 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-19 12:04:22,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 12:04:22,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 12:04:22,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 12:04:22,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 12:04:22,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:22" (1/1) ... [2022-07-19 12:04:22,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:22" (1/1) ... [2022-07-19 12:04:22,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:22" (1/1) ... [2022-07-19 12:04:22,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:22" (1/1) ... [2022-07-19 12:04:22,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:22" (1/1) ... [2022-07-19 12:04:22,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:22" (1/1) ... [2022-07-19 12:04:22,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:22" (1/1) ... [2022-07-19 12:04:22,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 12:04:22,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 12:04:22,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 12:04:22,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 12:04:22,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:22" (1/1) ... [2022-07-19 12:04:22,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 12:04:22,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:04:22,653 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) [2022-07-19 12:04:22,673 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 [2022-07-19 12:04:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 12:04:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 12:04:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 12:04:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 12:04:22,757 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 12:04:22,759 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 12:04:24,102 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 12:04:24,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 12:04:24,117 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 12:04:24,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:04:24 BoogieIcfgContainer [2022-07-19 12:04:24,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 12:04:24,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 12:04:24,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 12:04:24,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 12:04:24,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 12:04:21" (1/3) ... [2022-07-19 12:04:24,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651cfe72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 12:04:24, skipping insertion in model container [2022-07-19 12:04:24,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:22" (2/3) ... [2022-07-19 12:04:24,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651cfe72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 12:04:24, skipping insertion in model container [2022-07-19 12:04:24,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:04:24" (3/3) ... [2022-07-19 12:04:24,130 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label05.c [2022-07-19 12:04:24,143 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 12:04:24,144 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 12:04:24,198 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 12:04:24,204 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@497ce602, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6354dd9e [2022-07-19 12:04:24,205 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 12:04:24,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:24,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-19 12:04:24,218 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:24,218 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] [2022-07-19 12:04:24,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:24,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:24,223 INFO L85 PathProgramCache]: Analyzing trace with hash -107486446, now seen corresponding path program 1 times [2022-07-19 12:04:24,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:24,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105648384] [2022-07-19 12:04:24,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:24,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:24,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:24,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105648384] [2022-07-19 12:04:24,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105648384] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:24,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:24,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:04:24,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191469169] [2022-07-19 12:04:24,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:24,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:24,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:24,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:24,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:24,537 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:25,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:25,579 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2022-07-19 12:04:25,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:25,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-07-19 12:04:25,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:25,593 INFO L225 Difference]: With dead ends: 761 [2022-07-19 12:04:25,593 INFO L226 Difference]: Without dead ends: 413 [2022-07-19 12:04:25,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:25,600 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 164 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:25,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 12:04:25,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-19 12:04:25,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-07-19 12:04:25,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:25,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2022-07-19 12:04:25,650 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 64 [2022-07-19 12:04:25,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:25,651 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2022-07-19 12:04:25,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:25,651 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2022-07-19 12:04:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-19 12:04:25,655 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:25,656 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:25,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 12:04:25,656 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:25,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:25,657 INFO L85 PathProgramCache]: Analyzing trace with hash -355691958, now seen corresponding path program 1 times [2022-07-19 12:04:25,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:25,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354125316] [2022-07-19 12:04:25,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:25,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:25,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:25,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354125316] [2022-07-19 12:04:25,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354125316] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:25,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:25,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:04:25,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983387483] [2022-07-19 12:04:25,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:25,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:25,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:25,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:25,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:25,834 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:26,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:26,569 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2022-07-19 12:04:26,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:26,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-07-19 12:04:26,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:26,573 INFO L225 Difference]: With dead ends: 1211 [2022-07-19 12:04:26,573 INFO L226 Difference]: Without dead ends: 800 [2022-07-19 12:04:26,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:26,576 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:26,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 118 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:04:26,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-07-19 12:04:26,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2022-07-19 12:04:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3756345177664975) internal successors, (1084), 788 states have internal predecessors, (1084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1084 transitions. [2022-07-19 12:04:26,603 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1084 transitions. Word has length 132 [2022-07-19 12:04:26,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:26,603 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1084 transitions. [2022-07-19 12:04:26,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:26,603 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1084 transitions. [2022-07-19 12:04:26,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-19 12:04:26,608 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:26,608 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:26,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 12:04:26,608 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:26,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:26,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1592760116, now seen corresponding path program 1 times [2022-07-19 12:04:26,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:26,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869414201] [2022-07-19 12:04:26,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:26,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:26,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:26,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869414201] [2022-07-19 12:04:26,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869414201] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:26,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:26,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:04:26,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127519602] [2022-07-19 12:04:26,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:26,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:26,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:26,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:26,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:26,712 INFO L87 Difference]: Start difference. First operand 789 states and 1084 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:27,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:27,398 INFO L93 Difference]: Finished difference Result 1945 states and 2614 transitions. [2022-07-19 12:04:27,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:27,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-07-19 12:04:27,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:27,404 INFO L225 Difference]: With dead ends: 1945 [2022-07-19 12:04:27,404 INFO L226 Difference]: Without dead ends: 1158 [2022-07-19 12:04:27,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:27,406 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:27,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:04:27,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-07-19 12:04:27,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2022-07-19 12:04:27,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2716262975778547) internal successors, (1470), 1156 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:27,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1470 transitions. [2022-07-19 12:04:27,433 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1470 transitions. Word has length 133 [2022-07-19 12:04:27,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:27,434 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1470 transitions. [2022-07-19 12:04:27,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:27,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1470 transitions. [2022-07-19 12:04:27,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-19 12:04:27,439 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:27,440 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:27,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 12:04:27,440 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:27,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:27,441 INFO L85 PathProgramCache]: Analyzing trace with hash 491130087, now seen corresponding path program 1 times [2022-07-19 12:04:27,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:27,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136440427] [2022-07-19 12:04:27,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:27,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:27,563 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:27,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:27,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136440427] [2022-07-19 12:04:27,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136440427] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:27,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:27,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:27,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462316799] [2022-07-19 12:04:27,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:27,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:27,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:27,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:27,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:27,566 INFO L87 Difference]: Start difference. First operand 1157 states and 1470 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:28,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:28,253 INFO L93 Difference]: Finished difference Result 2519 states and 3352 transitions. [2022-07-19 12:04:28,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:28,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-07-19 12:04:28,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:28,261 INFO L225 Difference]: With dead ends: 2519 [2022-07-19 12:04:28,261 INFO L226 Difference]: Without dead ends: 1548 [2022-07-19 12:04:28,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:28,264 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 171 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:28,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:04:28,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2022-07-19 12:04:28,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2022-07-19 12:04:28,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.294041450777202) internal successors, (1998), 1544 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:28,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1998 transitions. [2022-07-19 12:04:28,295 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1998 transitions. Word has length 191 [2022-07-19 12:04:28,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:28,296 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 1998 transitions. [2022-07-19 12:04:28,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:28,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1998 transitions. [2022-07-19 12:04:28,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-19 12:04:28,299 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:28,300 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:28,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 12:04:28,300 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:28,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:28,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1941392826, now seen corresponding path program 1 times [2022-07-19 12:04:28,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:28,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741589426] [2022-07-19 12:04:28,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:28,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:28,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:28,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741589426] [2022-07-19 12:04:28,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741589426] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:28,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:28,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:28,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643299200] [2022-07-19 12:04:28,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:28,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:28,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:28,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:28,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:28,443 INFO L87 Difference]: Start difference. First operand 1545 states and 1998 transitions. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:29,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:29,143 INFO L93 Difference]: Finished difference Result 3656 states and 4826 transitions. [2022-07-19 12:04:29,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:29,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 244 [2022-07-19 12:04:29,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:29,153 INFO L225 Difference]: With dead ends: 3656 [2022-07-19 12:04:29,153 INFO L226 Difference]: Without dead ends: 2297 [2022-07-19 12:04:29,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:29,157 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:29,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 340 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:04:29,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2022-07-19 12:04:29,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2100. [2022-07-19 12:04:29,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.2706050500238208) internal successors, (2667), 2099 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2667 transitions. [2022-07-19 12:04:29,200 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2667 transitions. Word has length 244 [2022-07-19 12:04:29,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:29,201 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2667 transitions. [2022-07-19 12:04:29,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2667 transitions. [2022-07-19 12:04:29,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-07-19 12:04:29,205 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:29,206 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:29,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 12:04:29,206 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:29,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:29,207 INFO L85 PathProgramCache]: Analyzing trace with hash 790120528, now seen corresponding path program 1 times [2022-07-19 12:04:29,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:29,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873978467] [2022-07-19 12:04:29,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:29,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-19 12:04:29,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:29,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873978467] [2022-07-19 12:04:29,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873978467] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:29,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:29,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:29,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216291721] [2022-07-19 12:04:29,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:29,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:29,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:29,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:29,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:29,364 INFO L87 Difference]: Start difference. First operand 2100 states and 2667 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:29,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:30,000 INFO L93 Difference]: Finished difference Result 4765 states and 6075 transitions. [2022-07-19 12:04:30,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:30,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 245 [2022-07-19 12:04:30,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:30,010 INFO L225 Difference]: With dead ends: 4765 [2022-07-19 12:04:30,011 INFO L226 Difference]: Without dead ends: 2667 [2022-07-19 12:04:30,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:30,016 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 138 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:30,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 345 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:04:30,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2022-07-19 12:04:30,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2652. [2022-07-19 12:04:30,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2652 states, 2651 states have (on average 1.2572614107883817) internal successors, (3333), 2651 states have internal predecessors, (3333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:30,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 3333 transitions. [2022-07-19 12:04:30,083 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 3333 transitions. Word has length 245 [2022-07-19 12:04:30,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:30,084 INFO L495 AbstractCegarLoop]: Abstraction has 2652 states and 3333 transitions. [2022-07-19 12:04:30,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3333 transitions. [2022-07-19 12:04:30,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-19 12:04:30,090 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:30,090 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:30,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 12:04:30,091 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:30,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:30,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1579189985, now seen corresponding path program 1 times [2022-07-19 12:04:30,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:30,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387604512] [2022-07-19 12:04:30,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:30,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:30,219 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-19 12:04:30,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:30,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387604512] [2022-07-19 12:04:30,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387604512] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:30,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:30,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:30,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424505694] [2022-07-19 12:04:30,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:30,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:30,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:30,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:30,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:30,222 INFO L87 Difference]: Start difference. First operand 2652 states and 3333 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:30,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:30,974 INFO L93 Difference]: Finished difference Result 6047 states and 7676 transitions. [2022-07-19 12:04:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:30,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 246 [2022-07-19 12:04:30,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:30,987 INFO L225 Difference]: With dead ends: 6047 [2022-07-19 12:04:30,987 INFO L226 Difference]: Without dead ends: 3397 [2022-07-19 12:04:30,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:30,994 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 133 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:30,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 379 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:04:30,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2022-07-19 12:04:31,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3204. [2022-07-19 12:04:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3204 states, 3203 states have (on average 1.2466437714642522) internal successors, (3993), 3203 states have internal predecessors, (3993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 3204 states and 3993 transitions. [2022-07-19 12:04:31,073 INFO L78 Accepts]: Start accepts. Automaton has 3204 states and 3993 transitions. Word has length 246 [2022-07-19 12:04:31,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:31,074 INFO L495 AbstractCegarLoop]: Abstraction has 3204 states and 3993 transitions. [2022-07-19 12:04:31,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:31,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 3993 transitions. [2022-07-19 12:04:31,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-19 12:04:31,079 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:31,079 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:31,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 12:04:31,080 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:31,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:31,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1141889263, now seen corresponding path program 1 times [2022-07-19 12:04:31,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:31,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91159075] [2022-07-19 12:04:31,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:31,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:31,248 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:31,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:31,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91159075] [2022-07-19 12:04:31,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91159075] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:31,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:31,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 12:04:31,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164656946] [2022-07-19 12:04:31,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:31,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:04:31,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:31,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:04:31,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:04:31,251 INFO L87 Difference]: Start difference. First operand 3204 states and 3993 transitions. Second operand has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:32,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:32,473 INFO L93 Difference]: Finished difference Result 11048 states and 13849 transitions. [2022-07-19 12:04:32,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:04:32,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 266 [2022-07-19 12:04:32,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:32,502 INFO L225 Difference]: With dead ends: 11048 [2022-07-19 12:04:32,503 INFO L226 Difference]: Without dead ends: 7846 [2022-07-19 12:04:32,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:04:32,509 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 273 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:32,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 193 Invalid, 1215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 12:04:32,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7846 states. [2022-07-19 12:04:32,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7846 to 7473. [2022-07-19 12:04:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7473 states, 7472 states have (on average 1.2011509635974305) internal successors, (8975), 7472 states have internal predecessors, (8975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:32,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7473 states to 7473 states and 8975 transitions. [2022-07-19 12:04:32,653 INFO L78 Accepts]: Start accepts. Automaton has 7473 states and 8975 transitions. Word has length 266 [2022-07-19 12:04:32,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:32,654 INFO L495 AbstractCegarLoop]: Abstraction has 7473 states and 8975 transitions. [2022-07-19 12:04:32,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 7473 states and 8975 transitions. [2022-07-19 12:04:32,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-07-19 12:04:32,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:32,660 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:32,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 12:04:32,662 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:32,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:32,663 INFO L85 PathProgramCache]: Analyzing trace with hash -33415155, now seen corresponding path program 1 times [2022-07-19 12:04:32,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:32,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409857030] [2022-07-19 12:04:32,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:32,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-19 12:04:32,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:32,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409857030] [2022-07-19 12:04:32,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409857030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:32,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:32,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:04:32,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237908783] [2022-07-19 12:04:32,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:32,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:32,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:32,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:32,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:32,779 INFO L87 Difference]: Start difference. First operand 7473 states and 8975 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:33,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:33,438 INFO L93 Difference]: Finished difference Result 14540 states and 17486 transitions. [2022-07-19 12:04:33,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:33,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 267 [2022-07-19 12:04:33,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:33,469 INFO L225 Difference]: With dead ends: 14540 [2022-07-19 12:04:33,470 INFO L226 Difference]: Without dead ends: 7069 [2022-07-19 12:04:33,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:33,482 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 114 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:33,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 152 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:04:33,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7069 states. [2022-07-19 12:04:33,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7069 to 7068. [2022-07-19 12:04:33,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7068 states, 7067 states have (on average 1.144757322767794) internal successors, (8090), 7067 states have internal predecessors, (8090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:33,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7068 states to 7068 states and 8090 transitions. [2022-07-19 12:04:33,662 INFO L78 Accepts]: Start accepts. Automaton has 7068 states and 8090 transitions. Word has length 267 [2022-07-19 12:04:33,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:33,665 INFO L495 AbstractCegarLoop]: Abstraction has 7068 states and 8090 transitions. [2022-07-19 12:04:33,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:33,666 INFO L276 IsEmpty]: Start isEmpty. Operand 7068 states and 8090 transitions. [2022-07-19 12:04:33,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-19 12:04:33,671 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:33,672 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:33,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 12:04:33,672 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:33,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:33,677 INFO L85 PathProgramCache]: Analyzing trace with hash 726597686, now seen corresponding path program 1 times [2022-07-19 12:04:33,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:33,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791174031] [2022-07-19 12:04:33,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:33,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:33,823 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:33,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:33,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791174031] [2022-07-19 12:04:33,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791174031] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:33,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:33,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 12:04:33,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248540091] [2022-07-19 12:04:33,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:33,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:04:33,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:33,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:04:33,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:04:33,826 INFO L87 Difference]: Start difference. First operand 7068 states and 8090 transitions. Second operand has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:35,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:35,066 INFO L93 Difference]: Finished difference Result 18561 states and 21349 transitions. [2022-07-19 12:04:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:04:35,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 276 [2022-07-19 12:04:35,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:35,088 INFO L225 Difference]: With dead ends: 18561 [2022-07-19 12:04:35,088 INFO L226 Difference]: Without dead ends: 11495 [2022-07-19 12:04:35,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:04:35,099 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 294 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:35,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 106 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 12:04:35,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11495 states. [2022-07-19 12:04:35,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11495 to 10199. [2022-07-19 12:04:35,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10199 states, 10198 states have (on average 1.1447342616199254) internal successors, (11674), 10198 states have internal predecessors, (11674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:35,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10199 states to 10199 states and 11674 transitions. [2022-07-19 12:04:35,344 INFO L78 Accepts]: Start accepts. Automaton has 10199 states and 11674 transitions. Word has length 276 [2022-07-19 12:04:35,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:35,344 INFO L495 AbstractCegarLoop]: Abstraction has 10199 states and 11674 transitions. [2022-07-19 12:04:35,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:35,345 INFO L276 IsEmpty]: Start isEmpty. Operand 10199 states and 11674 transitions. [2022-07-19 12:04:35,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-19 12:04:35,350 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:35,350 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:35,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-19 12:04:35,350 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:35,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:35,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1197973930, now seen corresponding path program 1 times [2022-07-19 12:04:35,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:35,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339644954] [2022-07-19 12:04:35,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:35,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 197 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:35,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:35,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339644954] [2022-07-19 12:04:35,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339644954] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:04:35,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645535007] [2022-07-19 12:04:35,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:35,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:04:35,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:04:35,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:04:35,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 12:04:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:35,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-19 12:04:35,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:04:36,824 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 74 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:36,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 12:04:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 74 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:38,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645535007] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 12:04:38,030 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 12:04:38,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-07-19 12:04:38,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824345390] [2022-07-19 12:04:38,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 12:04:38,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 12:04:38,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:38,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 12:04:38,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-19 12:04:38,035 INFO L87 Difference]: Start difference. First operand 10199 states and 11674 transitions. Second operand has 11 states, 11 states have (on average 45.81818181818182) internal successors, (504), 10 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:41,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:41,239 INFO L93 Difference]: Finished difference Result 23229 states and 26598 transitions. [2022-07-19 12:04:41,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-19 12:04:41,239 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 45.81818181818182) internal successors, (504), 10 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 278 [2022-07-19 12:04:41,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:41,264 INFO L225 Difference]: With dead ends: 23229 [2022-07-19 12:04:41,265 INFO L226 Difference]: Without dead ends: 13020 [2022-07-19 12:04:41,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 549 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-07-19 12:04:41,277 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1764 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 3465 mSolverCounterSat, 880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 4345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 880 IncrementalHoareTripleChecker+Valid, 3465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:41,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 106 Invalid, 4345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [880 Valid, 3465 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-19 12:04:41,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13020 states. [2022-07-19 12:04:41,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13020 to 11277. [2022-07-19 12:04:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11277 states, 11276 states have (on average 1.1097020219936147) internal successors, (12513), 11276 states have internal predecessors, (12513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11277 states to 11277 states and 12513 transitions. [2022-07-19 12:04:41,456 INFO L78 Accepts]: Start accepts. Automaton has 11277 states and 12513 transitions. Word has length 278 [2022-07-19 12:04:41,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:41,456 INFO L495 AbstractCegarLoop]: Abstraction has 11277 states and 12513 transitions. [2022-07-19 12:04:41,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 45.81818181818182) internal successors, (504), 10 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:41,457 INFO L276 IsEmpty]: Start isEmpty. Operand 11277 states and 12513 transitions. [2022-07-19 12:04:41,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-07-19 12:04:41,463 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:41,463 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:41,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 12:04:41,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-19 12:04:41,677 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:41,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:41,677 INFO L85 PathProgramCache]: Analyzing trace with hash -927901590, now seen corresponding path program 1 times [2022-07-19 12:04:41,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:41,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837489013] [2022-07-19 12:04:41,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:41,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 179 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:41,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:41,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837489013] [2022-07-19 12:04:41,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837489013] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:04:41,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61725901] [2022-07-19 12:04:41,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:41,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:04:41,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:04:41,886 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:04:41,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 12:04:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:42,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 12:04:42,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:04:42,374 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:42,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:04:42,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61725901] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:42,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:04:42,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-19 12:04:42,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122328479] [2022-07-19 12:04:42,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:42,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:04:42,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:42,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:04:42,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:04:42,377 INFO L87 Difference]: Start difference. First operand 11277 states and 12513 transitions. Second operand has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:43,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:43,332 INFO L93 Difference]: Finished difference Result 23108 states and 25622 transitions. [2022-07-19 12:04:43,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:04:43,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 297 [2022-07-19 12:04:43,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:43,353 INFO L225 Difference]: With dead ends: 23108 [2022-07-19 12:04:43,354 INFO L226 Difference]: Without dead ends: 11833 [2022-07-19 12:04:43,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:04:43,367 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 165 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:43,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 166 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 12:04:43,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11833 states. [2022-07-19 12:04:43,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11833 to 11645. [2022-07-19 12:04:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11645 states, 11644 states have (on average 1.1072655444864308) internal successors, (12893), 11644 states have internal predecessors, (12893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:43,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11645 states to 11645 states and 12893 transitions. [2022-07-19 12:04:43,530 INFO L78 Accepts]: Start accepts. Automaton has 11645 states and 12893 transitions. Word has length 297 [2022-07-19 12:04:43,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:43,531 INFO L495 AbstractCegarLoop]: Abstraction has 11645 states and 12893 transitions. [2022-07-19 12:04:43,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:43,531 INFO L276 IsEmpty]: Start isEmpty. Operand 11645 states and 12893 transitions. [2022-07-19 12:04:43,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-19 12:04:43,542 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:43,543 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:43,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 12:04:43,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-19 12:04:43,767 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:43,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:43,768 INFO L85 PathProgramCache]: Analyzing trace with hash 955474353, now seen corresponding path program 1 times [2022-07-19 12:04:43,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:43,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874649118] [2022-07-19 12:04:43,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:43,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 342 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:43,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:43,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874649118] [2022-07-19 12:04:43,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874649118] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:04:43,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190801709] [2022-07-19 12:04:43,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:43,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:04:43,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:04:43,937 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:04:43,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 12:04:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:44,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 12:04:44,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:04:44,337 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-19 12:04:44,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:04:44,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190801709] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:44,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:04:44,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-19 12:04:44,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425871438] [2022-07-19 12:04:44,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:44,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:44,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:44,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:44,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:04:44,343 INFO L87 Difference]: Start difference. First operand 11645 states and 12893 transitions. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:44,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:44,897 INFO L93 Difference]: Finished difference Result 24028 states and 26574 transitions. [2022-07-19 12:04:44,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:44,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 335 [2022-07-19 12:04:44,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:44,923 INFO L225 Difference]: With dead ends: 24028 [2022-07-19 12:04:44,924 INFO L226 Difference]: Without dead ends: 12201 [2022-07-19 12:04:44,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:04:44,938 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 98 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:44,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 348 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 12:04:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12201 states. [2022-07-19 12:04:45,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12201 to 11829. [2022-07-19 12:04:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11829 states, 11828 states have (on average 1.1045823469732838) internal successors, (13065), 11828 states have internal predecessors, (13065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11829 states to 11829 states and 13065 transitions. [2022-07-19 12:04:45,151 INFO L78 Accepts]: Start accepts. Automaton has 11829 states and 13065 transitions. Word has length 335 [2022-07-19 12:04:45,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:45,152 INFO L495 AbstractCegarLoop]: Abstraction has 11829 states and 13065 transitions. [2022-07-19 12:04:45,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 11829 states and 13065 transitions. [2022-07-19 12:04:45,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-07-19 12:04:45,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:45,163 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:45,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 12:04:45,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:04:45,388 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:45,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:45,388 INFO L85 PathProgramCache]: Analyzing trace with hash -2007425143, now seen corresponding path program 1 times [2022-07-19 12:04:45,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:45,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677702445] [2022-07-19 12:04:45,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:45,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 174 proven. 185 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-19 12:04:45,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:45,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677702445] [2022-07-19 12:04:45,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677702445] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:04:45,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070062418] [2022-07-19 12:04:45,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:45,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:04:45,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:04:45,649 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:04:45,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 12:04:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:45,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 12:04:45,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:04:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-19 12:04:46,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:04:46,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070062418] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:46,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:04:46,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-07-19 12:04:46,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587685230] [2022-07-19 12:04:46,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:46,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:04:46,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:46,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:04:46,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-07-19 12:04:46,273 INFO L87 Difference]: Start difference. First operand 11829 states and 13065 transitions. Second operand has 4 states, 4 states have (on average 67.0) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:47,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:47,081 INFO L93 Difference]: Finished difference Result 24027 states and 26511 transitions. [2022-07-19 12:04:47,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:04:47,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.0) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 351 [2022-07-19 12:04:47,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:47,101 INFO L225 Difference]: With dead ends: 24027 [2022-07-19 12:04:47,101 INFO L226 Difference]: Without dead ends: 12200 [2022-07-19 12:04:47,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-07-19 12:04:47,111 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 186 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:47,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 161 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:04:47,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12200 states. [2022-07-19 12:04:47,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12200 to 11277. [2022-07-19 12:04:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11277 states, 11276 states have (on average 1.1049130897481376) internal successors, (12459), 11276 states have internal predecessors, (12459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:47,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11277 states to 11277 states and 12459 transitions. [2022-07-19 12:04:47,309 INFO L78 Accepts]: Start accepts. Automaton has 11277 states and 12459 transitions. Word has length 351 [2022-07-19 12:04:47,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:47,310 INFO L495 AbstractCegarLoop]: Abstraction has 11277 states and 12459 transitions. [2022-07-19 12:04:47,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.0) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand 11277 states and 12459 transitions. [2022-07-19 12:04:47,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-07-19 12:04:47,319 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:47,320 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:47,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-19 12:04:47,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:04:47,534 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:47,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:47,534 INFO L85 PathProgramCache]: Analyzing trace with hash -199405277, now seen corresponding path program 1 times [2022-07-19 12:04:47,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:47,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265228924] [2022-07-19 12:04:47,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:47,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:47,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:47,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265228924] [2022-07-19 12:04:47,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265228924] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:04:47,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36926194] [2022-07-19 12:04:47,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:47,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:04:47,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:04:47,709 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:04:47,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 12:04:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:47,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-19 12:04:47,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:04:48,218 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:48,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 12:04:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:49,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36926194] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 12:04:49,332 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 12:04:49,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 9 [2022-07-19 12:04:49,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895350596] [2022-07-19 12:04:49,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 12:04:49,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 12:04:49,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:49,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 12:04:49,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-07-19 12:04:49,334 INFO L87 Difference]: Start difference. First operand 11277 states and 12459 transitions. Second operand has 10 states, 10 states have (on average 78.8) internal successors, (788), 9 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:51,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:51,868 INFO L93 Difference]: Finished difference Result 37293 states and 41051 transitions. [2022-07-19 12:04:51,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 12:04:51,869 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 78.8) internal successors, (788), 9 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 362 [2022-07-19 12:04:51,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:51,899 INFO L225 Difference]: With dead ends: 37293 [2022-07-19 12:04:51,900 INFO L226 Difference]: Without dead ends: 26018 [2022-07-19 12:04:51,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 718 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-07-19 12:04:51,913 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 1208 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 3293 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 3787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 3293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:51,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 134 Invalid, 3787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 3293 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-19 12:04:51,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26018 states. [2022-07-19 12:04:52,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26018 to 23435. [2022-07-19 12:04:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23435 states, 23434 states have (on average 1.0960570111803363) internal successors, (25685), 23434 states have internal predecessors, (25685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:52,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23435 states to 23435 states and 25685 transitions. [2022-07-19 12:04:52,292 INFO L78 Accepts]: Start accepts. Automaton has 23435 states and 25685 transitions. Word has length 362 [2022-07-19 12:04:52,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:52,292 INFO L495 AbstractCegarLoop]: Abstraction has 23435 states and 25685 transitions. [2022-07-19 12:04:52,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 78.8) internal successors, (788), 9 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 23435 states and 25685 transitions. [2022-07-19 12:04:52,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-07-19 12:04:52,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:52,305 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:52,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-19 12:04:52,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-19 12:04:52,528 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:52,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:52,528 INFO L85 PathProgramCache]: Analyzing trace with hash -664639836, now seen corresponding path program 1 times [2022-07-19 12:04:52,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:52,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832597345] [2022-07-19 12:04:52,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:52,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 370 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:52,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:52,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832597345] [2022-07-19 12:04:52,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832597345] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:04:52,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020509150] [2022-07-19 12:04:52,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:52,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:04:52,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:04:52,733 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:04:52,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-19 12:04:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:52,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-19 12:04:52,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:04:56,089 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 96 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:56,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 12:04:57,397 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 370 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:57,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020509150] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 12:04:57,397 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 12:04:57,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2022-07-19 12:04:57,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492770344] [2022-07-19 12:04:57,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 12:04:57,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 12:04:57,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:57,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 12:04:57,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-19 12:04:57,400 INFO L87 Difference]: Start difference. First operand 23435 states and 25685 transitions. Second operand has 12 states, 12 states have (on average 82.91666666666667) internal successors, (995), 12 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:01,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:01,529 INFO L93 Difference]: Finished difference Result 62523 states and 68519 transitions. [2022-07-19 12:05:01,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-19 12:05:01,529 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 82.91666666666667) internal successors, (995), 12 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 373 [2022-07-19 12:05:01,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:01,569 INFO L225 Difference]: With dead ends: 62523 [2022-07-19 12:05:01,569 INFO L226 Difference]: Without dead ends: 39090 [2022-07-19 12:05:01,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 765 GetRequests, 746 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2022-07-19 12:05:01,588 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 2842 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 4289 mSolverCounterSat, 985 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2842 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 7842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 985 IncrementalHoareTripleChecker+Valid, 4289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2568 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:01,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2842 Valid, 195 Invalid, 7842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [985 Valid, 4289 Invalid, 0 Unknown, 2568 Unchecked, 3.6s Time] [2022-07-19 12:05:01,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39090 states. [2022-07-19 12:05:02,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39090 to 29316. [2022-07-19 12:05:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29316 states, 29315 states have (on average 1.0887600204673376) internal successors, (31917), 29315 states have internal predecessors, (31917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29316 states to 29316 states and 31917 transitions. [2022-07-19 12:05:02,138 INFO L78 Accepts]: Start accepts. Automaton has 29316 states and 31917 transitions. Word has length 373 [2022-07-19 12:05:02,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:02,139 INFO L495 AbstractCegarLoop]: Abstraction has 29316 states and 31917 transitions. [2022-07-19 12:05:02,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 82.91666666666667) internal successors, (995), 12 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 29316 states and 31917 transitions. [2022-07-19 12:05:02,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-07-19 12:05:02,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:02,163 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:02,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-19 12:05:02,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-07-19 12:05:02,380 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:02,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:02,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1305459429, now seen corresponding path program 1 times [2022-07-19 12:05:02,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:02,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824673360] [2022-07-19 12:05:02,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:02,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:05:02,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:02,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824673360] [2022-07-19 12:05:02,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824673360] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:02,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:02,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 12:05:02,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473905045] [2022-07-19 12:05:02,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:02,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 12:05:02,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:02,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 12:05:02,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:05:02,587 INFO L87 Difference]: Start difference. First operand 29316 states and 31917 transitions. Second operand has 5 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:04,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:04,111 INFO L93 Difference]: Finished difference Result 63978 states and 69583 transitions. [2022-07-19 12:05:04,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 12:05:04,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 459 [2022-07-19 12:05:04,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:04,149 INFO L225 Difference]: With dead ends: 63978 [2022-07-19 12:05:04,150 INFO L226 Difference]: Without dead ends: 34848 [2022-07-19 12:05:04,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:05:04,168 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 338 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 1755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:04,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 74 Invalid, 1755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 1557 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 12:05:04,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34848 states. [2022-07-19 12:05:04,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34848 to 28952. [2022-07-19 12:05:04,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28952 states, 28951 states have (on average 1.0879416945874063) internal successors, (31497), 28951 states have internal predecessors, (31497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28952 states to 28952 states and 31497 transitions. [2022-07-19 12:05:04,560 INFO L78 Accepts]: Start accepts. Automaton has 28952 states and 31497 transitions. Word has length 459 [2022-07-19 12:05:04,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:04,561 INFO L495 AbstractCegarLoop]: Abstraction has 28952 states and 31497 transitions. [2022-07-19 12:05:04,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:04,561 INFO L276 IsEmpty]: Start isEmpty. Operand 28952 states and 31497 transitions. [2022-07-19 12:05:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2022-07-19 12:05:04,595 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:04,595 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:04,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-19 12:05:04,595 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:04,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:04,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1740531119, now seen corresponding path program 1 times [2022-07-19 12:05:04,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:04,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334898498] [2022-07-19 12:05:04,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:04,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:04,895 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 745 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-07-19 12:05:04,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:04,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334898498] [2022-07-19 12:05:04,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334898498] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:04,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:04,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 12:05:04,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569608855] [2022-07-19 12:05:04,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:04,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 12:05:04,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:04,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 12:05:04,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:05:04,898 INFO L87 Difference]: Start difference. First operand 28952 states and 31497 transitions. Second operand has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:05,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:05,974 INFO L93 Difference]: Finished difference Result 59198 states and 64390 transitions. [2022-07-19 12:05:05,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 12:05:05,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 548 [2022-07-19 12:05:05,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:06,007 INFO L225 Difference]: With dead ends: 59198 [2022-07-19 12:05:06,007 INFO L226 Difference]: Without dead ends: 30432 [2022-07-19 12:05:06,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:05:06,023 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 426 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:06,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 53 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 12:05:06,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30432 states. [2022-07-19 12:05:06,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30432 to 24900. [2022-07-19 12:05:06,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24900 states, 24899 states have (on average 1.0899232900919715) internal successors, (27138), 24899 states have internal predecessors, (27138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:06,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24900 states to 24900 states and 27138 transitions. [2022-07-19 12:05:06,381 INFO L78 Accepts]: Start accepts. Automaton has 24900 states and 27138 transitions. Word has length 548 [2022-07-19 12:05:06,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:06,381 INFO L495 AbstractCegarLoop]: Abstraction has 24900 states and 27138 transitions. [2022-07-19 12:05:06,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:06,381 INFO L276 IsEmpty]: Start isEmpty. Operand 24900 states and 27138 transitions. [2022-07-19 12:05:06,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2022-07-19 12:05:06,403 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:06,404 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:06,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-19 12:05:06,404 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:06,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:06,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1514900571, now seen corresponding path program 1 times [2022-07-19 12:05:06,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:06,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486152591] [2022-07-19 12:05:06,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:06,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 557 proven. 651 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-19 12:05:06,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:06,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486152591] [2022-07-19 12:05:06,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486152591] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:05:06,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481365525] [2022-07-19 12:05:06,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:06,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:05:06,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:05:06,764 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:05:06,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-19 12:05:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:07,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 12:05:07,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:05:07,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 777 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2022-07-19 12:05:07,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:05:07,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481365525] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:07,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:05:07,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-07-19 12:05:07,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989913098] [2022-07-19 12:05:07,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:07,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:07,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:07,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:07,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-19 12:05:07,292 INFO L87 Difference]: Start difference. First operand 24900 states and 27138 transitions. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:07,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:07,905 INFO L93 Difference]: Finished difference Result 50181 states and 54685 transitions. [2022-07-19 12:05:07,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:07,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 693 [2022-07-19 12:05:07,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:07,935 INFO L225 Difference]: With dead ends: 50181 [2022-07-19 12:05:07,935 INFO L226 Difference]: Without dead ends: 25467 [2022-07-19 12:05:07,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 694 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-19 12:05:07,954 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 104 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:07,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 314 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 12:05:07,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25467 states. [2022-07-19 12:05:08,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25467 to 25274. [2022-07-19 12:05:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25274 states, 25273 states have (on average 1.088038618288292) internal successors, (27498), 25273 states have internal predecessors, (27498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:08,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25274 states to 25274 states and 27498 transitions. [2022-07-19 12:05:08,336 INFO L78 Accepts]: Start accepts. Automaton has 25274 states and 27498 transitions. Word has length 693 [2022-07-19 12:05:08,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:08,337 INFO L495 AbstractCegarLoop]: Abstraction has 25274 states and 27498 transitions. [2022-07-19 12:05:08,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:08,337 INFO L276 IsEmpty]: Start isEmpty. Operand 25274 states and 27498 transitions. [2022-07-19 12:05:08,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2022-07-19 12:05:08,364 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:08,364 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:08,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-19 12:05:08,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:05:08,589 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:08,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:08,589 INFO L85 PathProgramCache]: Analyzing trace with hash -203478354, now seen corresponding path program 1 times [2022-07-19 12:05:08,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:08,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836111961] [2022-07-19 12:05:08,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:08,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 186 proven. 942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:05:08,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:08,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836111961] [2022-07-19 12:05:08,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836111961] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:05:08,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916790953] [2022-07-19 12:05:08,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:08,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:05:08,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:05:08,895 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:05:08,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-19 12:05:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:09,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-19 12:05:09,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:05:09,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 62 proven. 1066 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:05:09,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 12:05:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 771 proven. 233 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-19 12:05:14,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916790953] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 12:05:14,634 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 12:05:14,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 17 [2022-07-19 12:05:14,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652648342] [2022-07-19 12:05:14,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 12:05:14,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-19 12:05:14,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:14,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-19 12:05:14,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-07-19 12:05:14,638 INFO L87 Difference]: Start difference. First operand 25274 states and 27498 transitions. Second operand has 17 states, 17 states have (on average 117.05882352941177) internal successors, (1990), 17 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:22,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:22,283 INFO L93 Difference]: Finished difference Result 87605 states and 95228 transitions. [2022-07-19 12:05:22,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-19 12:05:22,284 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 117.05882352941177) internal successors, (1990), 17 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 705 [2022-07-19 12:05:22,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:22,285 INFO L225 Difference]: With dead ends: 87605 [2022-07-19 12:05:22,285 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 12:05:22,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1434 GetRequests, 1408 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=490, Unknown=0, NotChecked=0, Total=702 [2022-07-19 12:05:22,309 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 3963 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 8312 mSolverCounterSat, 1015 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3963 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 9327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1015 IncrementalHoareTripleChecker+Valid, 8312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:22,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3963 Valid, 263 Invalid, 9327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1015 Valid, 8312 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-07-19 12:05:22,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 12:05:22,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 12:05:22,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 12:05:22,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 705 [2022-07-19 12:05:22,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:22,311 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 12:05:22,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 117.05882352941177) internal successors, (1990), 17 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:22,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 12:05:22,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 12:05:22,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 12:05:22,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-19 12:05:22,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:05:22,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 12:05:37,444 WARN L233 SmtUtils]: Spent 14.92s on a formula simplification. DAG size of input: 958 DAG size of output: 877 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-19 12:05:51,477 WARN L233 SmtUtils]: Spent 14.03s on a formula simplification. DAG size of input: 957 DAG size of output: 876 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-19 12:06:00,087 WARN L233 SmtUtils]: Spent 8.60s on a formula simplification. DAG size of input: 869 DAG size of output: 198 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-19 12:06:08,216 WARN L233 SmtUtils]: Spent 8.12s on a formula simplification. DAG size of input: 868 DAG size of output: 198 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-19 12:06:08,220 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-19 12:06:08,221 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,221 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,222 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,223 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,223 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-19 12:06:08,223 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-19 12:06:08,223 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-19 12:06:08,223 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,223 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-19 12:06:08,223 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-19 12:06:08,227 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,227 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,227 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,227 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,227 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,228 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,228 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-19 12:06:08,228 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-19 12:06:08,228 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-19 12:06:08,228 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,228 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,228 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,229 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse35 (div (* (- 2) ~a23~0) 10))) (let ((.cse38 (+ ~a23~0 43)) (.cse36 (+ 1 .cse35))) (let ((.cse34 (= ~a25~0 12)) (.cse37 (* (- 1) (div .cse36 5))) (.cse21 (<= .cse38 0)) (.cse39 (div ~a23~0 5))) (let ((.cse23 (not (< 140 ~a29~0))) (.cse19 (<= ~a25~0 9)) (.cse27 (<= 214883 ~a29~0)) (.cse3 (or (not (= (mod ~a23~0 5) 0)) (< 0 (+ .cse39 301942)))) (.cse20 (= ~a25~0 9)) (.cse7 (< 0 (+ .cse39 301943))) (.cse1 (not (<= ~a29~0 245))) (.cse31 (<= 0 (+ 386869 ~a23~0))) (.cse22 (<= 0 (+ ~a23~0 599772))) (.cse18 (<= ~a29~0 599999)) (.cse14 (< 0 .cse38)) (.cse32 (< 245 ~a29~0)) (.cse28 (< 181944 ~a23~0)) (.cse16 (< 0 (+ 301943 (div (+ ~a23~0 (- 600085)) 5)))) (.cse10 (= ~a25~0 11)) (.cse30 (<= (+ ~a29~0 22) 0)) (.cse26 (<= ~a29~0 140)) (.cse2 (= ~a4~0 0)) (.cse17 (<= ~a25~0 10)) (.cse24 (<= ~a29~0 220)) (.cse25 (not .cse21)) (.cse9 (<= 0 (+ 301941 (div (+ 379591 .cse37) (- 5))))) (.cse15 (<= ~a29~0 599998)) (.cse12 (or (not (= 0 (mod .cse36 5))) (<= 0 (+ 301941 (div (+ .cse37 379592) (- 5)))))) (.cse33 (<= 312 ~a23~0)) (.cse13 (or (not (= (mod .cse35 5) 0)) (not (= (mod (* ~a23~0 8) 10) 0)) (<= 0 (+ 301941 (div (+ 379592 (* (- 1) (div .cse35 5))) (- 5)))))) (.cse0 (<= ~a29~0 275)) (.cse4 (= ~a3~0 1)) (.cse11 (= ~a4~0 1)) (.cse5 (<= ~a23~0 312)) (.cse6 (= ~a8~0 15)) (.cse29 (<= 130 ~a29~0)) (.cse8 (or (= ~a25~0 13) .cse34))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and (<= (+ 275921 ~a29~0) 0) .cse9 .cse10 .cse4 (< 224525 ~a23~0) .cse11 .cse12 .cse13 .cse6) (and .cse10 .cse14 .cse15 .cse4 .cse11 .cse5 .cse6) (and .cse9 .cse1 .cse16 .cse17 .cse18 .cse4 .cse11 .cse12 .cse13 .cse19 .cse6) (and (<= (+ ~a29~0 275802) 0) .cse20 .cse4 .cse11 .cse6) (and .cse21 .cse22 .cse23 .cse2 .cse10 .cse4 .cse24 .cse6) (and .cse0 .cse1 .cse22 .cse10 .cse4 .cse11 .cse5 .cse6) (and .cse1 .cse17 .cse18 .cse4 .cse25 .cse11 .cse5 .cse6) (and .cse26 .cse14 .cse20 .cse4 .cse11 .cse6) (and .cse21 .cse22 .cse23 .cse17 .cse4 .cse11 .cse6) (and .cse9 .cse16 .cse10 .cse18 .cse4 .cse11 .cse12 .cse27 .cse13 .cse6) (and .cse9 .cse10 .cse28 .cse4 .cse24 .cse11 .cse12 .cse13 .cse6 .cse29) (and .cse9 .cse0 .cse1 .cse3 .cse4 .cse11 .cse12 .cse13 .cse19 .cse6 .cse7) (and .cse14 .cse15 .cse4 .cse11 .cse5 .cse6 .cse8) (and .cse21 .cse4 .cse11 .cse27 .cse6 (= ~a25~0 10)) (and .cse9 .cse22 .cse2 .cse30 .cse17 .cse4 .cse24 .cse12 .cse13 .cse6) (and .cse21 .cse30 .cse31 .cse4 .cse11 .cse6 .cse8) (and .cse9 .cse14 .cse17 .cse15 .cse4 .cse11 .cse12 .cse13 .cse6) (and .cse32 .cse2 .cse3 .cse15 .cse20 .cse4 .cse5 .cse6 .cse7) (and .cse2 .cse30 .cse14 .cse4 .cse5 .cse6 .cse8) (and .cse9 .cse17 .cse18 .cse4 .cse11 .cse12 .cse33 .cse13 .cse6) (and .cse9 .cse0 .cse1 .cse2 .cse31 .cse4 .cse12 .cse13 .cse6 .cse8) (and .cse16 .cse2 .cse30 .cse17 .cse4 .cse24 .cse5 .cse6) (and .cse22 .cse32 .cse2 .cse10 .cse15 .cse4 .cse5 .cse6) (and .cse32 .cse10 .cse14 .cse18 .cse4 (<= ~a23~0 181945) .cse11 .cse6) (and .cse9 .cse0 .cse34 .cse16 .cse2 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse14 (<= 141 ~a29~0)) .cse4 .cse12 .cse13 .cse6) (and .cse9 .cse32 .cse10 .cse28 .cse15 .cse4 .cse11 .cse12 .cse13 .cse6) (and .cse16 .cse2 .cse10 .cse30 .cse4 .cse24 .cse5 .cse6) (and .cse26 .cse2 .cse17 .cse4 .cse24 .cse25 .cse5 .cse6) (and .cse9 .cse15 .cse4 .cse11 .cse12 .cse33 .cse13 .cse6 .cse8) (and .cse0 .cse4 .cse11 .cse5 .cse6 .cse29 .cse8)))))) [2022-07-19 12:06:08,229 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,229 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-19 12:06:08,229 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-19 12:06:08,229 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,229 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,230 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,230 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,230 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,230 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,230 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-19 12:06:08,230 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-19 12:06:08,230 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-19 12:06:08,230 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-19 12:06:08,231 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,231 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,231 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,231 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,231 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,231 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,231 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,231 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-19 12:06:08,232 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-19 12:06:08,232 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-19 12:06:08,232 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,232 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,232 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,232 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,232 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,232 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,233 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,233 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,233 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,233 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-19 12:06:08,233 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-19 12:06:08,233 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-19 12:06:08,233 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,234 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse35 (div (* (- 2) ~a23~0) 10))) (let ((.cse38 (+ ~a23~0 43)) (.cse36 (+ 1 .cse35))) (let ((.cse34 (= ~a25~0 12)) (.cse37 (* (- 1) (div .cse36 5))) (.cse21 (<= .cse38 0)) (.cse39 (div ~a23~0 5))) (let ((.cse23 (not (< 140 ~a29~0))) (.cse19 (<= ~a25~0 9)) (.cse27 (<= 214883 ~a29~0)) (.cse3 (or (not (= (mod ~a23~0 5) 0)) (< 0 (+ .cse39 301942)))) (.cse20 (= ~a25~0 9)) (.cse7 (< 0 (+ .cse39 301943))) (.cse1 (not (<= ~a29~0 245))) (.cse31 (<= 0 (+ 386869 ~a23~0))) (.cse22 (<= 0 (+ ~a23~0 599772))) (.cse18 (<= ~a29~0 599999)) (.cse14 (< 0 .cse38)) (.cse32 (< 245 ~a29~0)) (.cse28 (< 181944 ~a23~0)) (.cse16 (< 0 (+ 301943 (div (+ ~a23~0 (- 600085)) 5)))) (.cse10 (= ~a25~0 11)) (.cse30 (<= (+ ~a29~0 22) 0)) (.cse26 (<= ~a29~0 140)) (.cse2 (= ~a4~0 0)) (.cse17 (<= ~a25~0 10)) (.cse24 (<= ~a29~0 220)) (.cse25 (not .cse21)) (.cse9 (<= 0 (+ 301941 (div (+ 379591 .cse37) (- 5))))) (.cse15 (<= ~a29~0 599998)) (.cse12 (or (not (= 0 (mod .cse36 5))) (<= 0 (+ 301941 (div (+ .cse37 379592) (- 5)))))) (.cse33 (<= 312 ~a23~0)) (.cse13 (or (not (= (mod .cse35 5) 0)) (not (= (mod (* ~a23~0 8) 10) 0)) (<= 0 (+ 301941 (div (+ 379592 (* (- 1) (div .cse35 5))) (- 5)))))) (.cse0 (<= ~a29~0 275)) (.cse4 (= ~a3~0 1)) (.cse11 (= ~a4~0 1)) (.cse5 (<= ~a23~0 312)) (.cse6 (= ~a8~0 15)) (.cse29 (<= 130 ~a29~0)) (.cse8 (or (= ~a25~0 13) .cse34))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and (<= (+ 275921 ~a29~0) 0) .cse9 .cse10 .cse4 (< 224525 ~a23~0) .cse11 .cse12 .cse13 .cse6) (and .cse10 .cse14 .cse15 .cse4 .cse11 .cse5 .cse6) (and .cse9 .cse1 .cse16 .cse17 .cse18 .cse4 .cse11 .cse12 .cse13 .cse19 .cse6) (and (<= (+ ~a29~0 275802) 0) .cse20 .cse4 .cse11 .cse6) (and .cse21 .cse22 .cse23 .cse2 .cse10 .cse4 .cse24 .cse6) (and .cse0 .cse1 .cse22 .cse10 .cse4 .cse11 .cse5 .cse6) (and .cse1 .cse17 .cse18 .cse4 .cse25 .cse11 .cse5 .cse6) (and .cse26 .cse14 .cse20 .cse4 .cse11 .cse6) (and .cse21 .cse22 .cse23 .cse17 .cse4 .cse11 .cse6) (and .cse9 .cse16 .cse10 .cse18 .cse4 .cse11 .cse12 .cse27 .cse13 .cse6) (and .cse9 .cse10 .cse28 .cse4 .cse24 .cse11 .cse12 .cse13 .cse6 .cse29) (and .cse9 .cse0 .cse1 .cse3 .cse4 .cse11 .cse12 .cse13 .cse19 .cse6 .cse7) (and .cse14 .cse15 .cse4 .cse11 .cse5 .cse6 .cse8) (and .cse21 .cse4 .cse11 .cse27 .cse6 (= ~a25~0 10)) (and .cse9 .cse22 .cse2 .cse30 .cse17 .cse4 .cse24 .cse12 .cse13 .cse6) (and .cse21 .cse30 .cse31 .cse4 .cse11 .cse6 .cse8) (and .cse9 .cse14 .cse17 .cse15 .cse4 .cse11 .cse12 .cse13 .cse6) (and .cse32 .cse2 .cse3 .cse15 .cse20 .cse4 .cse5 .cse6 .cse7) (and .cse2 .cse30 .cse14 .cse4 .cse5 .cse6 .cse8) (and .cse9 .cse17 .cse18 .cse4 .cse11 .cse12 .cse33 .cse13 .cse6) (and .cse9 .cse0 .cse1 .cse2 .cse31 .cse4 .cse12 .cse13 .cse6 .cse8) (and .cse16 .cse2 .cse30 .cse17 .cse4 .cse24 .cse5 .cse6) (and .cse22 .cse32 .cse2 .cse10 .cse15 .cse4 .cse5 .cse6) (and .cse32 .cse10 .cse14 .cse18 .cse4 (<= ~a23~0 181945) .cse11 .cse6) (and .cse9 .cse0 .cse34 .cse16 .cse2 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse14 (<= 141 ~a29~0)) .cse4 .cse12 .cse13 .cse6) (and .cse9 .cse32 .cse10 .cse28 .cse15 .cse4 .cse11 .cse12 .cse13 .cse6) (and .cse16 .cse2 .cse10 .cse30 .cse4 .cse24 .cse5 .cse6) (and .cse26 .cse2 .cse17 .cse4 .cse24 .cse25 .cse5 .cse6) (and .cse9 .cse15 .cse4 .cse11 .cse12 .cse33 .cse13 .cse6 .cse8) (and .cse0 .cse4 .cse11 .cse5 .cse6 .cse29 .cse8)))))) [2022-07-19 12:06:08,234 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,234 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,234 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,234 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,234 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,235 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,235 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,235 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,235 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-19 12:06:08,235 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-19 12:06:08,235 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-19 12:06:08,235 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-19 12:06:08,236 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-19 12:06:08,236 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-19 12:06:08,236 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-19 12:06:08,236 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,236 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,236 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,236 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,236 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,237 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,237 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,237 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,237 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,237 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,237 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 12:06:08,237 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-19 12:06:08,237 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-19 12:06:08,238 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-19 12:06:08,238 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-19 12:06:08,238 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,238 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,238 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,238 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,238 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,239 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-19 12:06:08,239 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-19 12:06:08,239 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-19 12:06:08,239 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,239 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,239 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,239 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,239 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-19 12:06:08,240 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-19 12:06:08,240 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,240 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,240 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,240 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,240 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,240 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,240 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-19 12:06:08,241 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-19 12:06:08,241 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,241 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,241 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-19 12:06:08,241 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-19 12:06:08,241 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-19 12:06:08,241 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 12:06:08,242 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2022-07-19 12:06:08,242 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,242 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,242 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,242 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,242 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,242 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,242 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,243 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-19 12:06:08,243 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-19 12:06:08,243 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-19 12:06:08,243 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-19 12:06:08,243 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-19 12:06:08,243 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-19 12:06:08,243 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-19 12:06:08,244 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,244 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,244 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-19 12:06:08,244 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-19 12:06:08,244 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,244 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,244 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,244 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,245 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,245 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-19 12:06:08,245 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-19 12:06:08,245 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-19 12:06:08,245 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,245 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,245 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,245 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,246 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,246 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,246 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-19 12:06:08,246 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-19 12:06:08,246 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-19 12:06:08,246 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,246 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,246 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,247 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,247 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,247 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,247 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,247 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,247 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-19 12:06:08,247 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-19 12:06:08,247 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-19 12:06:08,248 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,248 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,248 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,248 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,248 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,248 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,248 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,249 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,249 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,249 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,249 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,249 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-19 12:06:08,249 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-19 12:06:08,249 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-19 12:06:08,249 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-19 12:06:08,250 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-19 12:06:08,250 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,250 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,250 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,250 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,250 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,250 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,250 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,251 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-19 12:06:08,251 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-19 12:06:08,251 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-19 12:06:08,251 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,251 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,251 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,251 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-19 12:06:08,251 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-19 12:06:08,252 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,252 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,252 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,252 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,252 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,252 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-19 12:06:08,252 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-19 12:06:08,252 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,253 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,253 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-19 12:06:08,253 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-19 12:06:08,253 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,253 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 12:06:08,253 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,253 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,253 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,254 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,254 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,254 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-19 12:06:08,254 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-19 12:06:08,254 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-19 12:06:08,254 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-19 12:06:08,254 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,255 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,255 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,255 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,255 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,255 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,255 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,255 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,255 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-19 12:06:08,256 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-19 12:06:08,256 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-19 12:06:08,256 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-19 12:06:08,256 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-19 12:06:08,256 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-19 12:06:08,256 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,256 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,257 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,257 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,257 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,257 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,257 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,257 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-19 12:06:08,257 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-19 12:06:08,257 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 12:06:08,258 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,258 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,258 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,258 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,258 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,258 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,258 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-19 12:06:08,259 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-19 12:06:08,259 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,259 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,259 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,259 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,259 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,259 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,259 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,260 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-19 12:06:08,260 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:08,260 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,260 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,260 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-19 12:06:08,260 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-19 12:06:08,260 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-19 12:06:08,260 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-19 12:06:08,264 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:06:08,266 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 12:06:08,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 12:06:08 BoogieIcfgContainer [2022-07-19 12:06:08,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 12:06:08,323 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 12:06:08,324 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 12:06:08,324 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 12:06:08,324 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:04:24" (3/4) ... [2022-07-19 12:06:08,327 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 12:06:08,352 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 12:06:08,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 12:06:08,355 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 12:06:08,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 12:06:08,471 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 12:06:08,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 12:06:08,472 INFO L158 Benchmark]: Toolchain (without parser) took 106811.69ms. Allocated memory was 100.7MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 67.1MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 269.2MB. Max. memory is 16.1GB. [2022-07-19 12:06:08,472 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 12:06:08,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.17ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 66.9MB in the beginning and 87.0MB in the end (delta: -20.1MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-07-19 12:06:08,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.33ms. Allocated memory is still 121.6MB. Free memory was 87.0MB in the beginning and 70.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-19 12:06:08,473 INFO L158 Benchmark]: Boogie Preprocessor took 113.03ms. Allocated memory is still 121.6MB. Free memory was 69.6MB in the beginning and 60.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 12:06:08,474 INFO L158 Benchmark]: RCFGBuilder took 1506.72ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 60.5MB in the beginning and 84.3MB in the end (delta: -23.8MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2022-07-19 12:06:08,474 INFO L158 Benchmark]: TraceAbstraction took 104199.57ms. Allocated memory was 159.4MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 83.4MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-07-19 12:06:08,476 INFO L158 Benchmark]: Witness Printer took 147.65ms. Allocated memory is still 1.7GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-19 12:06:08,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.17ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 66.9MB in the beginning and 87.0MB in the end (delta: -20.1MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.33ms. Allocated memory is still 121.6MB. Free memory was 87.0MB in the beginning and 70.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.03ms. Allocated memory is still 121.6MB. Free memory was 69.6MB in the beginning and 60.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1506.72ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 60.5MB in the beginning and 84.3MB in the end (delta: -23.8MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * TraceAbstraction took 104199.57ms. Allocated memory was 159.4MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 83.4MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 147.65ms. Allocated memory is still 1.7GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 208]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 104.1s, OverallIterations: 20, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 32.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 45.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12781 SdHoareTripleChecker+Valid, 28.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12781 mSDsluCounter, 4181 SdHoareTripleChecker+Invalid, 23.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2568 IncrementalHoareTripleChecker+Unchecked, 1019 mSDsCounter, 5017 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31332 IncrementalHoareTripleChecker+Invalid, 38917 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5017 mSolverCounterUnsat, 3162 mSDtfsCounter, 31332 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5225 GetRequests, 5114 SyntacticMatches, 5 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29316occurred in iteration=16, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 20 MinimizatonAttempts, 29294 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 665 NumberOfFragments, 3841 HoareAnnotationTreeSize, 3 FomulaSimplifications, 50494 FormulaSimplificationTreeSizeReduction, 29.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 180206 FormulaSimplificationTreeSizeReductionInter, 16.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 17.4s InterpolantComputationTime, 9859 NumberOfCodeBlocks, 9859 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 11545 ConstructedInterpolants, 152 QuantifiedInterpolants, 79646 SizeOfPredicates, 11 NumberOfNonLiveVariables, 4580 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 32 InterpolantComputations, 16 PerfectInterpolantSequences, 9160/13537 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((a29 <= 275 && !(a29 <= 245)) && a4 == 0) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 301942)) && a3 == 1) && a23 <= 312) && a8 == 15) && 0 < a23 / 5 + 301943) && (a25 == 13 || a25 == 12)) || ((((((((275921 + a29 <= 0 && 0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5) && a25 == 11) && a3 == 1) && 224525 < a23) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || ((((((a25 == 11 && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && !(a29 <= 245)) && 0 < 301943 + (a23 + -600085) / 5) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a25 <= 9) && a8 == 15)) || ((((a29 + 275802 <= 0 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && 0 <= a23 + 599772) && !(140 < a29)) && a4 == 0) && a25 == 11) && a3 == 1) && a29 <= 220) && a8 == 15)) || (((((((a29 <= 275 && !(a29 <= 245)) && 0 <= a23 + 599772) && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((!(a29 <= 245) && a25 <= 10) && a29 <= 599999) && a3 == 1) && !(a23 + 43 <= 0)) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((a29 <= 140 && 0 < a23 + 43) && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a23 + 43 <= 0 && 0 <= a23 + 599772) && !(140 < a29)) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && 0 < 301943 + (a23 + -600085) / 5) && a25 == 11) && a29 <= 599999) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && 214883 <= a29) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || (((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && a25 == 11) && 181944 < a23) && a3 == 1) && a29 <= 220) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15) && 130 <= a29)) || ((((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && a29 <= 275) && !(a29 <= 245)) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 301942)) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a25 <= 9) && a8 == 15) && 0 < a23 / 5 + 301943)) || ((((((0 < a23 + 43 && a29 <= 599998) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || (((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && 0 <= a23 + 599772) && a4 == 0) && a29 + 22 <= 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || ((((((a23 + 43 <= 0 && a29 + 22 <= 0) && 0 <= 386869 + a23) && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && 0 < a23 + 43) && a25 <= 10) && a29 <= 599998) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || ((((((((245 < a29 && a4 == 0) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 301942)) && a29 <= 599998) && a25 == 9) && a3 == 1) && a23 <= 312) && a8 == 15) && 0 < a23 / 5 + 301943)) || ((((((a4 == 0 && a29 + 22 <= 0) && 0 < a23 + 43) && a3 == 1) && a23 <= 312) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && a25 <= 10) && a29 <= 599999) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && 312 <= a23) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || (((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && a29 <= 275) && !(a29 <= 245)) && a4 == 0) && 0 <= 386869 + a23) && a3 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((((0 < 301943 + (a23 + -600085) / 5 && a4 == 0) && a29 + 22 <= 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((((0 <= a23 + 599772 && 245 < a29) && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((((245 < a29 && a25 == 11) && 0 < a23 + 43) && a29 <= 599999) && a3 == 1) && a23 <= 181945) && a4 == 1) && a8 == 15)) || (((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && a29 <= 275) && a25 == 12) && 0 < 301943 + (a23 + -600085) / 5) && a4 == 0) && ((!(input == 1) || 0 < a23 + 43) || 141 <= a29)) && a3 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || (((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && 245 < a29) && a25 == 11) && 181944 < a23) && a29 <= 599998) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || (((((((0 < 301943 + (a23 + -600085) / 5 && a4 == 0) && a25 == 11) && a29 + 22 <= 0) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((((a29 <= 140 && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && !(a23 + 43 <= 0)) && a23 <= 312) && a8 == 15)) || ((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && a29 <= 599998) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && 312 <= a23) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((((a29 <= 275 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29) && (a25 == 13 || a25 == 12)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((a29 <= 275 && !(a29 <= 245)) && a4 == 0) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 301942)) && a3 == 1) && a23 <= 312) && a8 == 15) && 0 < a23 / 5 + 301943) && (a25 == 13 || a25 == 12)) || ((((((((275921 + a29 <= 0 && 0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5) && a25 == 11) && a3 == 1) && 224525 < a23) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || ((((((a25 == 11 && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && !(a29 <= 245)) && 0 < 301943 + (a23 + -600085) / 5) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a25 <= 9) && a8 == 15)) || ((((a29 + 275802 <= 0 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && 0 <= a23 + 599772) && !(140 < a29)) && a4 == 0) && a25 == 11) && a3 == 1) && a29 <= 220) && a8 == 15)) || (((((((a29 <= 275 && !(a29 <= 245)) && 0 <= a23 + 599772) && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((!(a29 <= 245) && a25 <= 10) && a29 <= 599999) && a3 == 1) && !(a23 + 43 <= 0)) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((a29 <= 140 && 0 < a23 + 43) && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a23 + 43 <= 0 && 0 <= a23 + 599772) && !(140 < a29)) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && 0 < 301943 + (a23 + -600085) / 5) && a25 == 11) && a29 <= 599999) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && 214883 <= a29) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || (((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && a25 == 11) && 181944 < a23) && a3 == 1) && a29 <= 220) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15) && 130 <= a29)) || ((((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && a29 <= 275) && !(a29 <= 245)) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 301942)) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a25 <= 9) && a8 == 15) && 0 < a23 / 5 + 301943)) || ((((((0 < a23 + 43 && a29 <= 599998) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || (((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && 0 <= a23 + 599772) && a4 == 0) && a29 + 22 <= 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || ((((((a23 + 43 <= 0 && a29 + 22 <= 0) && 0 <= 386869 + a23) && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && 0 < a23 + 43) && a25 <= 10) && a29 <= 599998) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || ((((((((245 < a29 && a4 == 0) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 301942)) && a29 <= 599998) && a25 == 9) && a3 == 1) && a23 <= 312) && a8 == 15) && 0 < a23 / 5 + 301943)) || ((((((a4 == 0 && a29 + 22 <= 0) && 0 < a23 + 43) && a3 == 1) && a23 <= 312) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && a25 <= 10) && a29 <= 599999) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && 312 <= a23) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || (((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && a29 <= 275) && !(a29 <= 245)) && a4 == 0) && 0 <= 386869 + a23) && a3 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((((0 < 301943 + (a23 + -600085) / 5 && a4 == 0) && a29 + 22 <= 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((((0 <= a23 + 599772 && 245 < a29) && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((((245 < a29 && a25 == 11) && 0 < a23 + 43) && a29 <= 599999) && a3 == 1) && a23 <= 181945) && a4 == 1) && a8 == 15)) || (((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && a29 <= 275) && a25 == 12) && 0 < 301943 + (a23 + -600085) / 5) && a4 == 0) && ((!(input == 1) || 0 < a23 + 43) || 141 <= a29)) && a3 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || (((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && 245 < a29) && a25 == 11) && 181944 < a23) && a29 <= 599998) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15)) || (((((((0 < 301943 + (a23 + -600085) / 5 && a4 == 0) && a25 == 11) && a29 + 22 <= 0) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((((a29 <= 140 && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && !(a23 + 43 <= 0)) && a23 <= 312) && a8 == 15)) || ((((((((0 <= 301941 + (379591 + -1 * ((1 + -2 * a23 / 10) / 5)) / -5 && a29 <= 599998) && a3 == 1) && a4 == 1) && (!(0 == (1 + -2 * a23 / 10) % 5) || 0 <= 301941 + (-1 * ((1 + -2 * a23 / 10) / 5) + 379592) / -5)) && 312 <= a23) && ((!(-2 * a23 / 10 % 5 == 0) || !(a23 * 8 % 10 == 0)) || 0 <= 301941 + (379592 + -1 * (-2 * a23 / 10 / 5)) / -5)) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((((a29 <= 275 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29) && (a25 == 13 || a25 == 12)) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-19 12:06:08,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE