./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label27.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/Problem01_label27.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 4ceae147c0993f09d1996333054d05cdb50149b89c2ec286f40c2e532c4f5e1a --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 11:08:37,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 11:08:37,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 11:08:37,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 11:08:37,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 11:08:37,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 11:08:37,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 11:08:37,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 11:08:37,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 11:08:37,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 11:08:37,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 11:08:37,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 11:08:37,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 11:08:37,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 11:08:37,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 11:08:37,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 11:08:37,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 11:08:37,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 11:08:37,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 11:08:37,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 11:08:37,386 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 11:08:37,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 11:08:37,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 11:08:37,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 11:08:37,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 11:08:37,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 11:08:37,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 11:08:37,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 11:08:37,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 11:08:37,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 11:08:37,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 11:08:37,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 11:08:37,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 11:08:37,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 11:08:37,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 11:08:37,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 11:08:37,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 11:08:37,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 11:08:37,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 11:08:37,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 11:08:37,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 11:08:37,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 11:08:37,404 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 11:08:37,428 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 11:08:37,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 11:08:37,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 11:08:37,429 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 11:08:37,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 11:08:37,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 11:08:37,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 11:08:37,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 11:08:37,430 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 11:08:37,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 11:08:37,431 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 11:08:37,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 11:08:37,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 11:08:37,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 11:08:37,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 11:08:37,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 11:08:37,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 11:08:37,432 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 11:08:37,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 11:08:37,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 11:08:37,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 11:08:37,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 11:08:37,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 11:08:37,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 11:08:37,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 11:08:37,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 11:08:37,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 11:08:37,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 11:08:37,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 11:08:37,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 11:08:37,435 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 11:08:37,436 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 11:08:37,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 11:08:37,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ceae147c0993f09d1996333054d05cdb50149b89c2ec286f40c2e532c4f5e1a [2022-07-19 11:08:37,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 11:08:37,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 11:08:37,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 11:08:37,688 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 11:08:37,688 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 11:08:37,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label27.c [2022-07-19 11:08:37,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da513f0bd/3c53db8f56c84b14a8c408f3c0916cee/FLAG9100c8547 [2022-07-19 11:08:38,103 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 11:08:38,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label27.c [2022-07-19 11:08:38,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da513f0bd/3c53db8f56c84b14a8c408f3c0916cee/FLAG9100c8547 [2022-07-19 11:08:38,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da513f0bd/3c53db8f56c84b14a8c408f3c0916cee [2022-07-19 11:08:38,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 11:08:38,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 11:08:38,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 11:08:38,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 11:08:38,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 11:08:38,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:08:38" (1/1) ... [2022-07-19 11:08:38,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d010e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:08:38, skipping insertion in model container [2022-07-19 11:08:38,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:08:38" (1/1) ... [2022-07-19 11:08:38,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 11:08:38,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 11:08:38,731 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/Problem01_label27.c[16500,16513] [2022-07-19 11:08:38,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 11:08:38,768 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 11:08:38,819 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/Problem01_label27.c[16500,16513] [2022-07-19 11:08:38,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 11:08:38,841 INFO L208 MainTranslator]: Completed translation [2022-07-19 11:08:38,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:08:38 WrapperNode [2022-07-19 11:08:38,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 11:08:38,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 11:08:38,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 11:08:38,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 11:08:38,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:08:38" (1/1) ... [2022-07-19 11:08:38,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:08:38" (1/1) ... [2022-07-19 11:08:38,910 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2022-07-19 11:08:38,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 11:08:38,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 11:08:38,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 11:08:38,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 11:08:38,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:08:38" (1/1) ... [2022-07-19 11:08:38,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:08:38" (1/1) ... [2022-07-19 11:08:38,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:08:38" (1/1) ... [2022-07-19 11:08:38,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:08:38" (1/1) ... [2022-07-19 11:08:38,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:08:38" (1/1) ... [2022-07-19 11:08:38,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:08:38" (1/1) ... [2022-07-19 11:08:38,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:08:38" (1/1) ... [2022-07-19 11:08:38,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 11:08:38,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 11:08:38,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 11:08:38,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 11:08:38,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:08:38" (1/1) ... [2022-07-19 11:08:38,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 11:08:39,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 11:08:39,014 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 11:08:39,021 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 11:08:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 11:08:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 11:08:39,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 11:08:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 11:08:39,149 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 11:08:39,150 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 11:08:39,719 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 11:08:39,729 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 11:08:39,729 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 11:08:39,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:08:39 BoogieIcfgContainer [2022-07-19 11:08:39,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 11:08:39,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 11:08:39,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 11:08:39,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 11:08:39,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:08:38" (1/3) ... [2022-07-19 11:08:39,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5391b5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:08:39, skipping insertion in model container [2022-07-19 11:08:39,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:08:38" (2/3) ... [2022-07-19 11:08:39,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5391b5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:08:39, skipping insertion in model container [2022-07-19 11:08:39,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:08:39" (3/3) ... [2022-07-19 11:08:39,739 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label27.c [2022-07-19 11:08:39,749 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 11:08:39,750 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 11:08:39,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 11:08:39,809 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@59e0541e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3396a702 [2022-07-19 11:08:39,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 11:08:39,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 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 11:08:39,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-19 11:08:39,832 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:08:39,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 11:08:39,833 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:08:39,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:08:39,837 INFO L85 PathProgramCache]: Analyzing trace with hash 857291087, now seen corresponding path program 1 times [2022-07-19 11:08:39,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:08:39,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357974158] [2022-07-19 11:08:39,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:39,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:08:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:40,105 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 11:08:40,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:08:40,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357974158] [2022-07-19 11:08:40,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357974158] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:08:40,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:08:40,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 11:08:40,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683219682] [2022-07-19 11:08:40,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:08:40,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:08:40,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:08:40,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:08:40,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:08:40,143 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 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 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 0 states have call successors, (0), 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 11:08:40,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:08:40,669 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2022-07-19 11:08:40,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:08:40,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-07-19 11:08:40,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:08:40,679 INFO L225 Difference]: With dead ends: 528 [2022-07-19 11:08:40,679 INFO L226 Difference]: Without dead ends: 266 [2022-07-19 11:08:40,682 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 11:08:40,684 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 97 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 11:08:40,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 66 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 11:08:40,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-07-19 11:08:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-07-19 11:08:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4339622641509433) internal successors, (380), 265 states have internal predecessors, (380), 0 states have call successors, (0), 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 11:08:40,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2022-07-19 11:08:40,718 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 88 [2022-07-19 11:08:40,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:08:40,719 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2022-07-19 11:08:40,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 0 states have call successors, (0), 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 11:08:40,719 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2022-07-19 11:08:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-19 11:08:40,722 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:08:40,722 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 11:08:40,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 11:08:40,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:08:40,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:08:40,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1648492327, now seen corresponding path program 1 times [2022-07-19 11:08:40,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:08:40,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888089425] [2022-07-19 11:08:40,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:40,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:08:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:40,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 11:08:40,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:08:40,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888089425] [2022-07-19 11:08:40,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888089425] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:08:40,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:08:40,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 11:08:40,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080565114] [2022-07-19 11:08:40,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:08:40,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:08:40,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:08:40,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:08:40,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:08:40,777 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 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 11:08:41,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:08:41,123 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2022-07-19 11:08:41,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:08:41,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-07-19 11:08:41,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:08:41,142 INFO L225 Difference]: With dead ends: 792 [2022-07-19 11:08:41,143 INFO L226 Difference]: Without dead ends: 528 [2022-07-19 11:08:41,144 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 11:08:41,144 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 172 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:08:41,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 29 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:08:41,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-07-19 11:08:41,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2022-07-19 11:08:41,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.3681214421252372) internal successors, (721), 527 states have internal predecessors, (721), 0 states have call successors, (0), 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 11:08:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 721 transitions. [2022-07-19 11:08:41,175 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 721 transitions. Word has length 93 [2022-07-19 11:08:41,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:08:41,176 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 721 transitions. [2022-07-19 11:08:41,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 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 11:08:41,176 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 721 transitions. [2022-07-19 11:08:41,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-19 11:08:41,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:08:41,179 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 11:08:41,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 11:08:41,179 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:08:41,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:08:41,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1380296349, now seen corresponding path program 1 times [2022-07-19 11:08:41,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:08:41,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835611998] [2022-07-19 11:08:41,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:41,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:08:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 11:08:41,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:08:41,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835611998] [2022-07-19 11:08:41,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835611998] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:08:41,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:08:41,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 11:08:41,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144889734] [2022-07-19 11:08:41,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:08:41,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:08:41,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:08:41,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:08:41,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:08:41,270 INFO L87 Difference]: Start difference. First operand 528 states and 721 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 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 11:08:41,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:08:41,554 INFO L93 Difference]: Finished difference Result 1447 states and 1979 transitions. [2022-07-19 11:08:41,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:08:41,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-07-19 11:08:41,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:08:41,557 INFO L225 Difference]: With dead ends: 1447 [2022-07-19 11:08:41,557 INFO L226 Difference]: Without dead ends: 921 [2022-07-19 11:08:41,558 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 11:08:41,559 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 142 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:08:41,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 17 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:08:41,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2022-07-19 11:08:41,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2022-07-19 11:08:41,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.3434782608695652) internal successors, (1236), 920 states have internal predecessors, (1236), 0 states have call successors, (0), 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 11:08:41,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1236 transitions. [2022-07-19 11:08:41,576 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1236 transitions. Word has length 97 [2022-07-19 11:08:41,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:08:41,576 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1236 transitions. [2022-07-19 11:08:41,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 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 11:08:41,576 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1236 transitions. [2022-07-19 11:08:41,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-19 11:08:41,578 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:08:41,578 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 11:08:41,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 11:08:41,579 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:08:41,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:08:41,579 INFO L85 PathProgramCache]: Analyzing trace with hash 2121899539, now seen corresponding path program 1 times [2022-07-19 11:08:41,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:08:41,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123819176] [2022-07-19 11:08:41,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:41,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:08:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 11:08:41,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:08:41,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123819176] [2022-07-19 11:08:41,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123819176] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:08:41,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:08:41,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 11:08:41,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057989961] [2022-07-19 11:08:41,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:08:41,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:08:41,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:08:41,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:08:41,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:08:41,635 INFO L87 Difference]: Start difference. First operand 921 states and 1236 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:08:41,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:08:41,920 INFO L93 Difference]: Finished difference Result 1840 states and 2470 transitions. [2022-07-19 11:08:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:08:41,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-07-19 11:08:41,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:08:41,924 INFO L225 Difference]: With dead ends: 1840 [2022-07-19 11:08:41,924 INFO L226 Difference]: Without dead ends: 921 [2022-07-19 11:08:41,925 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 11:08:41,926 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 129 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:08:41,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 61 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:08:41,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2022-07-19 11:08:41,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2022-07-19 11:08:41,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.3304347826086957) internal successors, (1224), 920 states have internal predecessors, (1224), 0 states have call successors, (0), 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 11:08:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1224 transitions. [2022-07-19 11:08:41,941 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1224 transitions. Word has length 101 [2022-07-19 11:08:41,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:08:41,941 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1224 transitions. [2022-07-19 11:08:41,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:08:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1224 transitions. [2022-07-19 11:08:41,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-19 11:08:41,943 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:08:41,943 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2022-07-19 11:08:41,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 11:08:41,943 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:08:41,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:08:41,944 INFO L85 PathProgramCache]: Analyzing trace with hash 2015967182, now seen corresponding path program 1 times [2022-07-19 11:08:41,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:08:41,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336331685] [2022-07-19 11:08:41,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:41,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:08:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 11:08:41,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:08:41,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336331685] [2022-07-19 11:08:41,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336331685] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:08:41,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:08:41,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 11:08:41,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122417873] [2022-07-19 11:08:41,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:08:41,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:08:41,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:08:41,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:08:41,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:08:41,989 INFO L87 Difference]: Start difference. First operand 921 states and 1224 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 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 11:08:42,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:08:42,263 INFO L93 Difference]: Finished difference Result 2233 states and 2923 transitions. [2022-07-19 11:08:42,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:08:42,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2022-07-19 11:08:42,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:08:42,267 INFO L225 Difference]: With dead ends: 2233 [2022-07-19 11:08:42,267 INFO L226 Difference]: Without dead ends: 1314 [2022-07-19 11:08:42,268 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 11:08:42,269 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 122 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 11:08:42,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 62 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 11:08:42,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2022-07-19 11:08:42,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2022-07-19 11:08:42,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.2825719120135364) internal successors, (1516), 1182 states have internal predecessors, (1516), 0 states have call successors, (0), 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 11:08:42,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1516 transitions. [2022-07-19 11:08:42,297 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1516 transitions. Word has length 103 [2022-07-19 11:08:42,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:08:42,298 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1516 transitions. [2022-07-19 11:08:42,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 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 11:08:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1516 transitions. [2022-07-19 11:08:42,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-19 11:08:42,302 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:08:42,302 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 11:08:42,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 11:08:42,303 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:08:42,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:08:42,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2265750, now seen corresponding path program 1 times [2022-07-19 11:08:42,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:08:42,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226076993] [2022-07-19 11:08:42,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:42,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:08:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 11:08:42,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:08:42,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226076993] [2022-07-19 11:08:42,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226076993] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:08:42,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:08:42,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 11:08:42,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121556509] [2022-07-19 11:08:42,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:08:42,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 11:08:42,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:08:42,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 11:08:42,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 11:08:42,381 INFO L87 Difference]: Start difference. First operand 1183 states and 1516 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 11:08:42,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:08:42,796 INFO L93 Difference]: Finished difference Result 2757 states and 3471 transitions. [2022-07-19 11:08:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 11:08:42,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-07-19 11:08:42,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:08:42,800 INFO L225 Difference]: With dead ends: 2757 [2022-07-19 11:08:42,800 INFO L226 Difference]: Without dead ends: 1576 [2022-07-19 11:08:42,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 11:08:42,802 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 386 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 11:08:42,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 59 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 11:08:42,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2022-07-19 11:08:42,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1445. [2022-07-19 11:08:42,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.2479224376731302) internal successors, (1802), 1444 states have internal predecessors, (1802), 0 states have call successors, (0), 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 11:08:42,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1802 transitions. [2022-07-19 11:08:42,846 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1802 transitions. Word has length 107 [2022-07-19 11:08:42,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:08:42,847 INFO L495 AbstractCegarLoop]: Abstraction has 1445 states and 1802 transitions. [2022-07-19 11:08:42,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 11:08:42,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1802 transitions. [2022-07-19 11:08:42,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-19 11:08:42,849 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:08:42,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:08:42,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 11:08:42,849 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:08:42,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:08:42,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1256717015, now seen corresponding path program 1 times [2022-07-19 11:08:42,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:08:42,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811564975] [2022-07-19 11:08:42,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:42,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:08:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 11:08:42,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:08:42,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811564975] [2022-07-19 11:08:42,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811564975] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:08:42,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:08:42,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 11:08:42,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048075004] [2022-07-19 11:08:42,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:08:42,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:08:42,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:08:42,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:08:42,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:08:42,910 INFO L87 Difference]: Start difference. First operand 1445 states and 1802 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 11:08:43,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:08:43,193 INFO L93 Difference]: Finished difference Result 3019 states and 3739 transitions. [2022-07-19 11:08:43,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:08:43,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2022-07-19 11:08:43,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:08:43,198 INFO L225 Difference]: With dead ends: 3019 [2022-07-19 11:08:43,198 INFO L226 Difference]: Without dead ends: 1576 [2022-07-19 11:08:43,199 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 11:08:43,200 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 47 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:08:43,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 193 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:08:43,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2022-07-19 11:08:43,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1445. [2022-07-19 11:08:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.2049861495844876) internal successors, (1740), 1444 states have internal predecessors, (1740), 0 states have call successors, (0), 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 11:08:43,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1740 transitions. [2022-07-19 11:08:43,221 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1740 transitions. Word has length 125 [2022-07-19 11:08:43,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:08:43,222 INFO L495 AbstractCegarLoop]: Abstraction has 1445 states and 1740 transitions. [2022-07-19 11:08:43,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 11:08:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1740 transitions. [2022-07-19 11:08:43,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-19 11:08:43,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:08:43,224 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:08:43,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 11:08:43,225 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:08:43,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:08:43,225 INFO L85 PathProgramCache]: Analyzing trace with hash 144240950, now seen corresponding path program 1 times [2022-07-19 11:08:43,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:08:43,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54996879] [2022-07-19 11:08:43,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:43,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:08:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-19 11:08:43,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:08:43,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54996879] [2022-07-19 11:08:43,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54996879] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 11:08:43,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609480328] [2022-07-19 11:08:43,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:43,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 11:08:43,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 11:08:43,330 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 11:08:43,341 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 11:08:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:43,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 11:08:43,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 11:08:43,563 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-19 11:08:43,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 11:08:43,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609480328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:08:43,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 11:08:43,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-07-19 11:08:43,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294449268] [2022-07-19 11:08:43,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:08:43,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:08:43,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:08:43,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:08:43,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 11:08:43,565 INFO L87 Difference]: Start difference. First operand 1445 states and 1740 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:08:43,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:08:43,850 INFO L93 Difference]: Finished difference Result 2233 states and 2642 transitions. [2022-07-19 11:08:43,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:08:43,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2022-07-19 11:08:43,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:08:43,856 INFO L225 Difference]: With dead ends: 2233 [2022-07-19 11:08:43,856 INFO L226 Difference]: Without dead ends: 2231 [2022-07-19 11:08:43,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 11:08:43,857 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 66 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:08:43,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 31 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:08:43,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2022-07-19 11:08:43,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2022-07-19 11:08:43,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 2230 states have (on average 1.1838565022421526) internal successors, (2640), 2230 states have internal predecessors, (2640), 0 states have call successors, (0), 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 11:08:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2640 transitions. [2022-07-19 11:08:43,887 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2640 transitions. Word has length 138 [2022-07-19 11:08:43,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:08:43,888 INFO L495 AbstractCegarLoop]: Abstraction has 2231 states and 2640 transitions. [2022-07-19 11:08:43,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:08:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2640 transitions. [2022-07-19 11:08:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-19 11:08:43,890 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:08:43,890 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:08:43,911 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 11:08:44,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 11:08:44,113 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:08:44,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:08:44,114 INFO L85 PathProgramCache]: Analyzing trace with hash -259303927, now seen corresponding path program 1 times [2022-07-19 11:08:44,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:08:44,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423076044] [2022-07-19 11:08:44,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:44,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:08:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:44,153 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-19 11:08:44,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:08:44,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423076044] [2022-07-19 11:08:44,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423076044] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:08:44,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:08:44,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 11:08:44,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828320887] [2022-07-19 11:08:44,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:08:44,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:08:44,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:08:44,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:08:44,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:08:44,156 INFO L87 Difference]: Start difference. First operand 2231 states and 2640 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 11:08:44,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:08:44,435 INFO L93 Difference]: Finished difference Result 4853 states and 5762 transitions. [2022-07-19 11:08:44,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:08:44,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 145 [2022-07-19 11:08:44,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:08:44,444 INFO L225 Difference]: With dead ends: 4853 [2022-07-19 11:08:44,444 INFO L226 Difference]: Without dead ends: 2362 [2022-07-19 11:08:44,446 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 11:08:44,448 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 135 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:08:44,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 193 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:08:44,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2022-07-19 11:08:44,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2100. [2022-07-19 11:08:44,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.093854216293473) internal successors, (2296), 2099 states have internal predecessors, (2296), 0 states have call successors, (0), 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 11:08:44,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2296 transitions. [2022-07-19 11:08:44,476 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2296 transitions. Word has length 145 [2022-07-19 11:08:44,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:08:44,476 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2296 transitions. [2022-07-19 11:08:44,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 11:08:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2296 transitions. [2022-07-19 11:08:44,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-07-19 11:08:44,479 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:08:44,479 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 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 11:08:44,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 11:08:44,479 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:08:44,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:08:44,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1147508778, now seen corresponding path program 1 times [2022-07-19 11:08:44,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:08:44,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492505324] [2022-07-19 11:08:44,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:44,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:08:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:44,543 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-19 11:08:44,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:08:44,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492505324] [2022-07-19 11:08:44,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492505324] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 11:08:44,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312368376] [2022-07-19 11:08:44,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:44,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 11:08:44,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 11:08:44,545 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 11:08:44,561 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 11:08:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:44,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 11:08:44,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 11:08:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-19 11:08:44,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 11:08:44,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312368376] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:08:44,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 11:08:44,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-19 11:08:44,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704527071] [2022-07-19 11:08:44,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:08:44,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:08:44,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:08:44,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:08:44,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 11:08:44,772 INFO L87 Difference]: Start difference. First operand 2100 states and 2296 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 11:08:45,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:08:45,038 INFO L93 Difference]: Finished difference Result 5508 states and 6042 transitions. [2022-07-19 11:08:45,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:08:45,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 152 [2022-07-19 11:08:45,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:08:45,047 INFO L225 Difference]: With dead ends: 5508 [2022-07-19 11:08:45,047 INFO L226 Difference]: Without dead ends: 3410 [2022-07-19 11:08:45,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 11:08:45,050 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 58 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 11:08:45,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 175 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 11:08:45,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2022-07-19 11:08:45,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3279. [2022-07-19 11:08:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3279 states, 3278 states have (on average 1.0884685784014643) internal successors, (3568), 3278 states have internal predecessors, (3568), 0 states have call successors, (0), 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 11:08:45,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 3568 transitions. [2022-07-19 11:08:45,097 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 3568 transitions. Word has length 152 [2022-07-19 11:08:45,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:08:45,098 INFO L495 AbstractCegarLoop]: Abstraction has 3279 states and 3568 transitions. [2022-07-19 11:08:45,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 11:08:45,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 3568 transitions. [2022-07-19 11:08:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-07-19 11:08:45,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:08:45,102 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, 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] [2022-07-19 11:08:45,122 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 11:08:45,315 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,SelfDestructingSolverStorable9 [2022-07-19 11:08:45,315 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:08:45,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:08:45,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1377707438, now seen corresponding path program 1 times [2022-07-19 11:08:45,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:08:45,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801546633] [2022-07-19 11:08:45,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:45,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:08:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 11:08:45,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:08:45,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801546633] [2022-07-19 11:08:45,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801546633] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 11:08:45,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410147417] [2022-07-19 11:08:45,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:45,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 11:08:45,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 11:08:45,385 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 11:08:45,387 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 11:08:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:45,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 11:08:45,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 11:08:45,568 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-19 11:08:45,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 11:08:45,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410147417] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:08:45,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 11:08:45,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-19 11:08:45,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118926942] [2022-07-19 11:08:45,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:08:45,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:08:45,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:08:45,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:08:45,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 11:08:45,570 INFO L87 Difference]: Start difference. First operand 3279 states and 3568 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 11:08:45,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:08:45,854 INFO L93 Difference]: Finished difference Result 7211 states and 7889 transitions. [2022-07-19 11:08:45,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:08:45,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 155 [2022-07-19 11:08:45,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:08:45,864 INFO L225 Difference]: With dead ends: 7211 [2022-07-19 11:08:45,864 INFO L226 Difference]: Without dead ends: 3803 [2022-07-19 11:08:45,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 11:08:45,868 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 52 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 11:08:45,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 172 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 11:08:45,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3803 states. [2022-07-19 11:08:45,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3803 to 3279. [2022-07-19 11:08:45,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3279 states, 3278 states have (on average 1.087248322147651) internal successors, (3564), 3278 states have internal predecessors, (3564), 0 states have call successors, (0), 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 11:08:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 3564 transitions. [2022-07-19 11:08:45,911 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 3564 transitions. Word has length 155 [2022-07-19 11:08:45,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:08:45,912 INFO L495 AbstractCegarLoop]: Abstraction has 3279 states and 3564 transitions. [2022-07-19 11:08:45,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 11:08:45,912 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 3564 transitions. [2022-07-19 11:08:45,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-19 11:08:45,916 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:08:45,916 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 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 11:08:45,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-19 11:08:46,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 11:08:46,133 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:08:46,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:08:46,134 INFO L85 PathProgramCache]: Analyzing trace with hash -581380260, now seen corresponding path program 1 times [2022-07-19 11:08:46,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:08:46,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533959559] [2022-07-19 11:08:46,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:46,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:08:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 115 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-19 11:08:46,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:08:46,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533959559] [2022-07-19 11:08:46,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533959559] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 11:08:46,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49335587] [2022-07-19 11:08:46,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:08:46,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 11:08:46,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 11:08:46,199 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 11:08:46,200 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 11:08:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:08:46,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 11:08:46,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 11:08:46,370 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-19 11:08:46,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 11:08:46,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49335587] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:08:46,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 11:08:46,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-19 11:08:46,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079934260] [2022-07-19 11:08:46,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:08:46,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 11:08:46,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:08:46,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 11:08:46,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-19 11:08:46,373 INFO L87 Difference]: Start difference. First operand 3279 states and 3564 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 11:08:46,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:08:46,742 INFO L93 Difference]: Finished difference Result 6161 states and 6703 transitions. [2022-07-19 11:08:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 11:08:46,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 184 [2022-07-19 11:08:46,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:08:46,742 INFO L225 Difference]: With dead ends: 6161 [2022-07-19 11:08:46,742 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 11:08:46,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-19 11:08:46,746 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 318 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:08:46,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 34 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:08:46,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 11:08:46,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 11:08:46,747 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 11:08:46,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 11:08:46,747 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2022-07-19 11:08:46,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:08:46,747 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 11:08:46,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 11:08:46,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 11:08:46,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 11:08:46,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 11:08:46,768 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 11:08:46,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 11:08:46,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 11:08:47,391 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-07-19 11:08:47,392 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-07-19 11:08:47,392 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-07-19 11:08:47,392 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-07-19 11:08:47,392 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-07-19 11:08:47,392 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-07-19 11:08:47,392 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-07-19 11:08:47,392 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-07-19 11:08:47,392 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,392 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,393 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,393 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,393 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-07-19 11:08:47,393 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,393 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,393 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-07-19 11:08:47,393 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-07-19 11:08:47,393 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-07-19 11:08:47,393 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-07-19 11:08:47,394 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-07-19 11:08:47,394 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-07-19 11:08:47,394 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-07-19 11:08:47,394 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-07-19 11:08:47,394 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-07-19 11:08:47,394 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-07-19 11:08:47,394 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-07-19 11:08:47,394 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-07-19 11:08:47,394 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,394 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,395 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,395 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,395 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,395 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-07-19 11:08:47,395 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,395 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-07-19 11:08:47,395 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-07-19 11:08:47,395 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-07-19 11:08:47,395 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-07-19 11:08:47,395 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-07-19 11:08:47,396 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-07-19 11:08:47,396 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-07-19 11:08:47,396 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-07-19 11:08:47,396 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-07-19 11:08:47,396 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-07-19 11:08:47,396 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-07-19 11:08:47,396 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-07-19 11:08:47,396 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-07-19 11:08:47,396 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-07-19 11:08:47,396 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,396 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,397 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,397 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,397 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,397 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,397 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-07-19 11:08:47,397 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-07-19 11:08:47,397 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-07-19 11:08:47,397 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-07-19 11:08:47,397 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-07-19 11:08:47,397 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-07-19 11:08:47,398 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-07-19 11:08:47,398 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-07-19 11:08:47,398 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-07-19 11:08:47,398 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-07-19 11:08:47,398 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-07-19 11:08:47,398 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-07-19 11:08:47,398 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,398 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,398 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,398 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,399 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,399 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,399 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-07-19 11:08:47,399 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-07-19 11:08:47,399 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-07-19 11:08:47,399 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-07-19 11:08:47,399 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-07-19 11:08:47,399 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-07-19 11:08:47,399 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-07-19 11:08:47,399 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-07-19 11:08:47,400 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-07-19 11:08:47,400 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-07-19 11:08:47,400 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,400 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,400 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,400 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,400 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,400 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,400 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-07-19 11:08:47,400 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-07-19 11:08:47,401 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-07-19 11:08:47,401 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-07-19 11:08:47,401 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-07-19 11:08:47,401 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-07-19 11:08:47,401 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-07-19 11:08:47,401 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-07-19 11:08:47,401 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-07-19 11:08:47,401 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-07-19 11:08:47,401 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-07-19 11:08:47,401 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-07-19 11:08:47,402 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-07-19 11:08:47,402 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-07-19 11:08:47,402 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-07-19 11:08:47,402 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,402 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,402 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,402 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,402 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,402 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 11:08:47,402 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-07-19 11:08:47,402 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-07-19 11:08:47,403 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-07-19 11:08:47,403 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-07-19 11:08:47,403 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-07-19 11:08:47,403 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-07-19 11:08:47,403 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-07-19 11:08:47,403 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-07-19 11:08:47,403 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-07-19 11:08:47,404 INFO L895 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (<= ~a20~0 0)) (.cse5 (not (= ~a7~0 1))) (.cse2 (<= ~a16~0 5)) (.cse4 (= ~a21~0 1)) (.cse7 (= ~a17~0 1)) (.cse1 (<= ~a8~0 13)) (.cse6 (= ~a16~0 6)) (.cse3 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2) (and .cse5 .cse4 .cse2 .cse3) (and .cse0 .cse6 .cse4) (and .cse1 .cse4 .cse7 .cse3) (and .cse6 .cse5 .cse4 .cse3) (and (<= ~a8~0 14) .cse4 .cse2) (and (<= ~a7~0 0) .cse4 .cse7 .cse3) (and .cse1 .cse6 .cse3))) [2022-07-19 11:08:47,404 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,404 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,404 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,404 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,404 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,404 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-07-19 11:08:47,404 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-07-19 11:08:47,404 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-07-19 11:08:47,404 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-07-19 11:08:47,404 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-07-19 11:08:47,405 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-07-19 11:08:47,405 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-07-19 11:08:47,405 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-07-19 11:08:47,405 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-07-19 11:08:47,405 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-07-19 11:08:47,405 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-07-19 11:08:47,405 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-07-19 11:08:47,405 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 11:08:47,405 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-07-19 11:08:47,405 INFO L902 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-07-19 11:08:47,406 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,406 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,406 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,406 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,406 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,406 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-07-19 11:08:47,406 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-07-19 11:08:47,406 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-07-19 11:08:47,406 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-07-19 11:08:47,406 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-07-19 11:08:47,407 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-07-19 11:08:47,407 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-07-19 11:08:47,407 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-07-19 11:08:47,407 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-07-19 11:08:47,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 11:08:47,407 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,407 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,407 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,407 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,407 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-07-19 11:08:47,408 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,408 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-07-19 11:08:47,408 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-07-19 11:08:47,408 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-07-19 11:08:47,408 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-07-19 11:08:47,408 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-07-19 11:08:47,408 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-07-19 11:08:47,408 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-07-19 11:08:47,408 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-07-19 11:08:47,408 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-07-19 11:08:47,408 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-07-19 11:08:47,409 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-07-19 11:08:47,409 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-07-19 11:08:47,409 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-07-19 11:08:47,409 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,409 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (<= ~a20~0 0)) (.cse5 (not (= ~a7~0 1))) (.cse2 (<= ~a16~0 5)) (.cse4 (= ~a21~0 1)) (.cse7 (= ~a17~0 1)) (.cse1 (<= ~a8~0 13)) (.cse6 (= ~a16~0 6)) (.cse3 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2) (and .cse5 .cse4 .cse2 .cse3) (and .cse0 .cse6 .cse4) (and .cse1 .cse4 .cse7 .cse3) (and .cse6 .cse5 .cse4 .cse3) (and (<= ~a8~0 14) .cse4 .cse2) (and (<= ~a7~0 0) .cse4 .cse7 .cse3) (and .cse1 .cse6 .cse3))) [2022-07-19 11:08:47,409 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,409 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,409 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,409 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,409 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-07-19 11:08:47,410 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 11:08:47,410 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 450) no Hoare annotation was computed. [2022-07-19 11:08:47,410 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-07-19 11:08:47,410 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-07-19 11:08:47,410 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-07-19 11:08:47,410 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-07-19 11:08:47,410 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-07-19 11:08:47,410 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-07-19 11:08:47,410 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-07-19 11:08:47,411 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,411 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,411 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,411 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,411 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-07-19 11:08:47,411 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-07-19 11:08:47,411 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-07-19 11:08:47,411 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-07-19 11:08:47,411 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-07-19 11:08:47,414 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 11:08:47,415 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 11:08:47,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:08:47 BoogieIcfgContainer [2022-07-19 11:08:47,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 11:08:47,429 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 11:08:47,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 11:08:47,429 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 11:08:47,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:08:39" (3/4) ... [2022-07-19 11:08:47,431 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 11:08:47,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 11:08:47,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 11:08:47,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 11:08:47,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 11:08:47,494 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 11:08:47,494 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 11:08:47,495 INFO L158 Benchmark]: Toolchain (without parser) took 9028.37ms. Allocated memory was 83.9MB in the beginning and 209.7MB in the end (delta: 125.8MB). Free memory was 45.8MB in the beginning and 96.0MB in the end (delta: -50.1MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2022-07-19 11:08:47,495 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 11:08:47,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.86ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 45.7MB in the beginning and 79.0MB in the end (delta: -33.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 11:08:47,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.53ms. Allocated memory is still 119.5MB. Free memory was 79.0MB in the beginning and 73.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 11:08:47,495 INFO L158 Benchmark]: Boogie Preprocessor took 55.89ms. Allocated memory is still 119.5MB. Free memory was 73.3MB in the beginning and 69.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 11:08:47,496 INFO L158 Benchmark]: RCFGBuilder took 763.76ms. Allocated memory is still 119.5MB. Free memory was 69.1MB in the beginning and 62.0MB in the end (delta: 7.0MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-07-19 11:08:47,496 INFO L158 Benchmark]: TraceAbstraction took 7695.01ms. Allocated memory was 119.5MB in the beginning and 209.7MB in the end (delta: 90.2MB). Free memory was 61.4MB in the beginning and 106.5MB in the end (delta: -45.0MB). Peak memory consumption was 97.3MB. Max. memory is 16.1GB. [2022-07-19 11:08:47,496 INFO L158 Benchmark]: Witness Printer took 65.40ms. Allocated memory is still 209.7MB. Free memory was 106.5MB in the beginning and 96.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-19 11:08:47,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.86ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 45.7MB in the beginning and 79.0MB in the end (delta: -33.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.53ms. Allocated memory is still 119.5MB. Free memory was 79.0MB in the beginning and 73.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.89ms. Allocated memory is still 119.5MB. Free memory was 73.3MB in the beginning and 69.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 763.76ms. Allocated memory is still 119.5MB. Free memory was 69.1MB in the beginning and 62.0MB in the end (delta: 7.0MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7695.01ms. Allocated memory was 119.5MB in the beginning and 209.7MB in the end (delta: 90.2MB). Free memory was 61.4MB in the beginning and 106.5MB in the end (delta: -45.0MB). Peak memory consumption was 97.3MB. Max. memory is 16.1GB. * Witness Printer took 65.40ms. Allocated memory is still 209.7MB. Free memory was 106.5MB in the beginning and 96.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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: 450]: 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, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1724 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1724 mSDsluCounter, 1092 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 702 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4270 IncrementalHoareTripleChecker+Invalid, 4972 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 702 mSolverCounterUnsat, 1020 mSDtfsCounter, 4270 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 656 GetRequests, 634 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3279occurred in iteration=10, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1310 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 57 NumberOfFragments, 231 HoareAnnotationTreeSize, 3 FomulaSimplifications, 54 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2054 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2117 NumberOfCodeBlocks, 2117 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2101 ConstructedInterpolants, 0 QuantifiedInterpolants, 4948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1279 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 979/1034 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: 593]: Loop Invariant Derived loop invariant: ((((((((((a20 <= 0 && a8 <= 13) && a16 <= 5) || ((a8 <= 13 && a16 <= 5) && a20 == 1)) || ((a20 <= 0 && a21 == 1) && a16 <= 5)) || (((!(a7 == 1) && a21 == 1) && a16 <= 5) && a20 == 1)) || ((a20 <= 0 && a16 == 6) && a21 == 1)) || (((a8 <= 13 && a21 == 1) && a17 == 1) && a20 == 1)) || (((a16 == 6 && !(a7 == 1)) && a21 == 1) && a20 == 1)) || ((a8 <= 14 && a21 == 1) && a16 <= 5)) || (((a7 <= 0 && a21 == 1) && a17 == 1) && a20 == 1)) || ((a8 <= 13 && a16 == 6) && a20 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((((a20 <= 0 && a8 <= 13) && a16 <= 5) || ((a8 <= 13 && a16 <= 5) && a20 == 1)) || ((a20 <= 0 && a21 == 1) && a16 <= 5)) || (((!(a7 == 1) && a21 == 1) && a16 <= 5) && a20 == 1)) || ((a20 <= 0 && a16 == 6) && a21 == 1)) || (((a8 <= 13 && a21 == 1) && a17 == 1) && a20 == 1)) || (((a16 == 6 && !(a7 == 1)) && a21 == 1) && a20 == 1)) || ((a8 <= 14 && a21 == 1) && a16 <= 5)) || (((a7 <= 0 && a21 == 1) && a17 == 1) && a20 == 1)) || ((a8 <= 13 && a16 == 6) && a20 == 1) RESULT: Ultimate proved your program to be correct! [2022-07-19 11:08:47,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE