./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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/Problem02_label17.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 d3602c5801c05a09989d37521ec0a56c80d33e64222732bb3b7051e65443f9ad --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 09:02:38,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 09:02:38,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 09:02:38,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 09:02:38,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 09:02:38,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 09:02:38,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 09:02:38,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 09:02:38,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 09:02:38,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 09:02:38,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 09:02:38,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 09:02:38,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 09:02:38,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 09:02:38,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 09:02:38,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 09:02:38,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 09:02:38,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 09:02:38,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 09:02:38,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 09:02:38,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 09:02:38,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 09:02:38,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 09:02:38,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 09:02:38,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 09:02:38,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 09:02:38,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 09:02:38,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 09:02:38,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 09:02:38,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 09:02:38,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 09:02:38,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 09:02:38,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 09:02:38,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 09:02:38,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 09:02:38,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 09:02:38,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 09:02:38,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 09:02:38,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 09:02:38,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 09:02:38,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 09:02:38,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 09:02:38,653 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 09:02:38,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 09:02:38,653 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 09:02:38,654 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 09:02:38,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 09:02:38,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 09:02:38,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 09:02:38,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 09:02:38,655 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 09:02:38,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 09:02:38,656 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 09:02:38,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 09:02:38,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 09:02:38,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 09:02:38,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 09:02:38,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 09:02:38,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 09:02:38,657 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 09:02:38,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 09:02:38,657 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 09:02:38,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 09:02:38,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 09:02:38,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 09:02:38,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 09:02:38,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:02:38,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 09:02:38,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 09:02:38,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 09:02:38,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 09:02:38,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 09:02:38,660 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 09:02:38,660 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 09:02:38,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 09:02:38,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 09:02:38,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3602c5801c05a09989d37521ec0a56c80d33e64222732bb3b7051e65443f9ad [2021-12-15 09:02:38,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 09:02:38,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 09:02:38,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 09:02:38,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 09:02:38,899 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 09:02:38,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label17.c [2021-12-15 09:02:38,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cccddad27/d0b46a81807b446d9d62a9600e360fa7/FLAG372815317 [2021-12-15 09:02:39,372 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 09:02:39,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label17.c [2021-12-15 09:02:39,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cccddad27/d0b46a81807b446d9d62a9600e360fa7/FLAG372815317 [2021-12-15 09:02:39,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cccddad27/d0b46a81807b446d9d62a9600e360fa7 [2021-12-15 09:02:39,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 09:02:39,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 09:02:39,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 09:02:39,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 09:02:39,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 09:02:39,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:02:39" (1/1) ... [2021-12-15 09:02:39,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f20c98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:39, skipping insertion in model container [2021-12-15 09:02:39,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:02:39" (1/1) ... [2021-12-15 09:02:39,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 09:02:39,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 09:02:39,685 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/Problem02_label17.c[18943,18956] [2021-12-15 09:02:39,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:02:39,734 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 09:02:39,816 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/Problem02_label17.c[18943,18956] [2021-12-15 09:02:39,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:02:39,837 INFO L208 MainTranslator]: Completed translation [2021-12-15 09:02:39,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:39 WrapperNode [2021-12-15 09:02:39,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 09:02:39,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 09:02:39,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 09:02:39,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 09:02:39,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:39" (1/1) ... [2021-12-15 09:02:39,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:39" (1/1) ... [2021-12-15 09:02:39,898 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2021-12-15 09:02:39,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 09:02:39,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 09:02:39,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 09:02:39,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 09:02:39,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:39" (1/1) ... [2021-12-15 09:02:39,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:39" (1/1) ... [2021-12-15 09:02:39,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:39" (1/1) ... [2021-12-15 09:02:39,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:39" (1/1) ... [2021-12-15 09:02:39,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:39" (1/1) ... [2021-12-15 09:02:39,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:39" (1/1) ... [2021-12-15 09:02:39,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:39" (1/1) ... [2021-12-15 09:02:39,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 09:02:39,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 09:02:39,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 09:02:39,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 09:02:39,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:39" (1/1) ... [2021-12-15 09:02:39,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:02:39,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:02:40,022 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) [2021-12-15 09:02:40,041 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 [2021-12-15 09:02:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 09:02:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 09:02:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 09:02:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 09:02:40,106 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 09:02:40,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 09:02:40,712 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 09:02:40,720 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 09:02:40,721 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 09:02:40,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:02:40 BoogieIcfgContainer [2021-12-15 09:02:40,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 09:02:40,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 09:02:40,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 09:02:40,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 09:02:40,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:02:39" (1/3) ... [2021-12-15 09:02:40,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ceaf724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:02:40, skipping insertion in model container [2021-12-15 09:02:40,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:39" (2/3) ... [2021-12-15 09:02:40,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ceaf724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:02:40, skipping insertion in model container [2021-12-15 09:02:40,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:02:40" (3/3) ... [2021-12-15 09:02:40,731 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label17.c [2021-12-15 09:02:40,735 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 09:02:40,735 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 09:02:40,768 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 09:02:40,772 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 09:02:40,773 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 09:02:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:40,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-15 09:02:40,800 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:02:40,800 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:02:40,801 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:02:40,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:02:40,805 INFO L85 PathProgramCache]: Analyzing trace with hash -554919293, now seen corresponding path program 1 times [2021-12-15 09:02:40,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:02:40,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653393142] [2021-12-15 09:02:40,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:02:40,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:02:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:02:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:02:41,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:02:41,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653393142] [2021-12-15 09:02:41,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653393142] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:02:41,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:02:41,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:02:41,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238087060] [2021-12-15 09:02:41,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:02:41,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:02:41,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:02:41,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:02:41,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:02:41,174 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 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 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:41,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:02:41,698 INFO L93 Difference]: Finished difference Result 601 states and 1035 transitions. [2021-12-15 09:02:41,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:02:41,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2021-12-15 09:02:41,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:02:41,715 INFO L225 Difference]: With dead ends: 601 [2021-12-15 09:02:41,726 INFO L226 Difference]: Without dead ends: 310 [2021-12-15 09:02:41,734 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:02:41,737 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 115 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:02:41,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 116 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 09:02:41,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-12-15 09:02:41,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2021-12-15 09:02:41,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.4368932038834952) internal successors, (444), 309 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:41,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2021-12-15 09:02:41,770 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 119 [2021-12-15 09:02:41,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:02:41,771 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2021-12-15 09:02:41,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:41,772 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2021-12-15 09:02:41,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-12-15 09:02:41,773 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:02:41,774 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:02:41,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 09:02:41,774 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:02:41,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:02:41,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1560757406, now seen corresponding path program 1 times [2021-12-15 09:02:41,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:02:41,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663988035] [2021-12-15 09:02:41,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:02:41,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:02:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:02:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:02:41,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:02:41,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663988035] [2021-12-15 09:02:41,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663988035] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:02:41,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:02:41,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:02:41,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250579078] [2021-12-15 09:02:41,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:02:41,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:02:41,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:02:41,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:02:41,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:02:41,821 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:42,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:02:42,127 INFO L93 Difference]: Finished difference Result 911 states and 1313 transitions. [2021-12-15 09:02:42,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:02:42,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2021-12-15 09:02:42,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:02:42,141 INFO L225 Difference]: With dead ends: 911 [2021-12-15 09:02:42,141 INFO L226 Difference]: Without dead ends: 603 [2021-12-15 09:02:42,141 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:02:42,142 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 156 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:02:42,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 98 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:02:42,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2021-12-15 09:02:42,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 598. [2021-12-15 09:02:42,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 597 states have (on average 1.3953098827470687) internal successors, (833), 597 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:42,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 833 transitions. [2021-12-15 09:02:42,160 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 833 transitions. Word has length 137 [2021-12-15 09:02:42,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:02:42,161 INFO L470 AbstractCegarLoop]: Abstraction has 598 states and 833 transitions. [2021-12-15 09:02:42,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 833 transitions. [2021-12-15 09:02:42,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-12-15 09:02:42,164 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:02:42,164 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:02:42,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 09:02:42,165 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:02:42,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:02:42,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1652117350, now seen corresponding path program 1 times [2021-12-15 09:02:42,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:02:42,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104586769] [2021-12-15 09:02:42,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:02:42,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:02:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:02:42,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:02:42,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:02:42,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104586769] [2021-12-15 09:02:42,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104586769] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:02:42,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:02:42,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:02:42,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474378234] [2021-12-15 09:02:42,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:02:42,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:02:42,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:02:42,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:02:42,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:02:42,245 INFO L87 Difference]: Start difference. First operand 598 states and 833 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:42,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:02:42,553 INFO L93 Difference]: Finished difference Result 1194 states and 1666 transitions. [2021-12-15 09:02:42,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:02:42,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2021-12-15 09:02:42,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:02:42,562 INFO L225 Difference]: With dead ends: 1194 [2021-12-15 09:02:42,562 INFO L226 Difference]: Without dead ends: 598 [2021-12-15 09:02:42,563 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:02:42,564 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 144 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:02:42,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 287 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:02:42,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2021-12-15 09:02:42,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 593. [2021-12-15 09:02:42,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 592 states have (on average 1.3158783783783783) internal successors, (779), 592 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:42,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 779 transitions. [2021-12-15 09:02:42,597 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 779 transitions. Word has length 147 [2021-12-15 09:02:42,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:02:42,597 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 779 transitions. [2021-12-15 09:02:42,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:42,598 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 779 transitions. [2021-12-15 09:02:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-15 09:02:42,601 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:02:42,601 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:02:42,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 09:02:42,601 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:02:42,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:02:42,602 INFO L85 PathProgramCache]: Analyzing trace with hash 83480443, now seen corresponding path program 1 times [2021-12-15 09:02:42,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:02:42,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408643145] [2021-12-15 09:02:42,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:02:42,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:02:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:02:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:02:42,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:02:42,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408643145] [2021-12-15 09:02:42,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408643145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:02:42,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:02:42,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:02:42,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477366104] [2021-12-15 09:02:42,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:02:42,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:02:42,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:02:42,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:02:42,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:02:42,640 INFO L87 Difference]: Start difference. First operand 593 states and 779 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:42,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:02:42,788 INFO L93 Difference]: Finished difference Result 1173 states and 1544 transitions. [2021-12-15 09:02:42,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:02:42,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2021-12-15 09:02:42,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:02:42,790 INFO L225 Difference]: With dead ends: 1173 [2021-12-15 09:02:42,790 INFO L226 Difference]: Without dead ends: 582 [2021-12-15 09:02:42,791 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:02:42,792 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 185 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 09:02:42,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 23 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 09:02:42,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2021-12-15 09:02:42,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2021-12-15 09:02:42,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 581 states have (on average 1.23407917383821) internal successors, (717), 581 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:42,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 717 transitions. [2021-12-15 09:02:42,802 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 717 transitions. Word has length 148 [2021-12-15 09:02:42,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:02:42,803 INFO L470 AbstractCegarLoop]: Abstraction has 582 states and 717 transitions. [2021-12-15 09:02:42,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:42,803 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 717 transitions. [2021-12-15 09:02:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-12-15 09:02:42,805 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:02:42,805 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:02:42,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 09:02:42,805 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:02:42,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:02:42,806 INFO L85 PathProgramCache]: Analyzing trace with hash 493325178, now seen corresponding path program 1 times [2021-12-15 09:02:42,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:02:42,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117849182] [2021-12-15 09:02:42,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:02:42,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:02:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:02:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:02:42,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:02:42,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117849182] [2021-12-15 09:02:42,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117849182] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:02:42,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:02:42,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:02:42,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724696665] [2021-12-15 09:02:42,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:02:42,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:02:42,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:02:42,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:02:42,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:02:42,842 INFO L87 Difference]: Start difference. First operand 582 states and 717 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:43,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:02:43,123 INFO L93 Difference]: Finished difference Result 1722 states and 2123 transitions. [2021-12-15 09:02:43,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:02:43,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 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 [2021-12-15 09:02:43,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:02:43,125 INFO L225 Difference]: With dead ends: 1722 [2021-12-15 09:02:43,125 INFO L226 Difference]: Without dead ends: 717 [2021-12-15 09:02:43,126 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:02:43,127 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 114 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:02:43,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 244 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:02:43,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2021-12-15 09:02:43,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2021-12-15 09:02:43,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 716 states have (on average 1.1452513966480447) internal successors, (820), 716 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 820 transitions. [2021-12-15 09:02:43,137 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 820 transitions. Word has length 155 [2021-12-15 09:02:43,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:02:43,137 INFO L470 AbstractCegarLoop]: Abstraction has 717 states and 820 transitions. [2021-12-15 09:02:43,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:43,137 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 820 transitions. [2021-12-15 09:02:43,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-15 09:02:43,139 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:02:43,139 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:02:43,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 09:02:43,139 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:02:43,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:02:43,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1129513380, now seen corresponding path program 1 times [2021-12-15 09:02:43,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:02:43,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917625441] [2021-12-15 09:02:43,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:02:43,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:02:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:02:43,212 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:02:43,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:02:43,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917625441] [2021-12-15 09:02:43,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917625441] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:02:43,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:02:43,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 09:02:43,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723651391] [2021-12-15 09:02:43,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:02:43,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-15 09:02:43,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:02:43,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 09:02:43,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:02:43,216 INFO L87 Difference]: Start difference. First operand 717 states and 820 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:43,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:02:43,744 INFO L93 Difference]: Finished difference Result 1727 states and 1967 transitions. [2021-12-15 09:02:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 09:02:43,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2021-12-15 09:02:43,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:02:43,747 INFO L225 Difference]: With dead ends: 1727 [2021-12-15 09:02:43,747 INFO L226 Difference]: Without dead ends: 1012 [2021-12-15 09:02:43,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:02:43,749 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 414 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:02:43,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [414 Valid, 81 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:02:43,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2021-12-15 09:02:43,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 857. [2021-12-15 09:02:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 856 states have (on average 1.125) internal successors, (963), 856 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 963 transitions. [2021-12-15 09:02:43,761 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 963 transitions. Word has length 160 [2021-12-15 09:02:43,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:02:43,762 INFO L470 AbstractCegarLoop]: Abstraction has 857 states and 963 transitions. [2021-12-15 09:02:43,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 963 transitions. [2021-12-15 09:02:43,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-15 09:02:43,764 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:02:43,764 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:02:43,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 09:02:43,765 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:02:43,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:02:43,765 INFO L85 PathProgramCache]: Analyzing trace with hash -2076427838, now seen corresponding path program 1 times [2021-12-15 09:02:43,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:02:43,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764817234] [2021-12-15 09:02:43,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:02:43,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:02:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:02:43,806 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:02:43,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:02:43,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764817234] [2021-12-15 09:02:43,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764817234] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:02:43,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:02:43,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:02:43,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886185744] [2021-12-15 09:02:43,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:02:43,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:02:43,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:02:43,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:02:43,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:02:43,810 INFO L87 Difference]: Start difference. First operand 857 states and 963 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:44,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:02:44,067 INFO L93 Difference]: Finished difference Result 2274 states and 2587 transitions. [2021-12-15 09:02:44,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:02:44,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-12-15 09:02:44,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:02:44,071 INFO L225 Difference]: With dead ends: 2274 [2021-12-15 09:02:44,071 INFO L226 Difference]: Without dead ends: 1419 [2021-12-15 09:02:44,072 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:02:44,074 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 123 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 09:02:44,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 207 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 09:02:44,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2021-12-15 09:02:44,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1418. [2021-12-15 09:02:44,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1417 states have (on average 1.1298517995765702) internal successors, (1601), 1417 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:44,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 1601 transitions. [2021-12-15 09:02:44,093 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 1601 transitions. Word has length 181 [2021-12-15 09:02:44,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:02:44,094 INFO L470 AbstractCegarLoop]: Abstraction has 1418 states and 1601 transitions. [2021-12-15 09:02:44,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:44,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1601 transitions. [2021-12-15 09:02:44,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-15 09:02:44,098 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:02:44,098 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 09:02:44,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-15 09:02:44,098 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:02:44,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:02:44,102 INFO L85 PathProgramCache]: Analyzing trace with hash 2133356539, now seen corresponding path program 1 times [2021-12-15 09:02:44,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:02:44,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345690813] [2021-12-15 09:02:44,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:02:44,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:02:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:02:44,172 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:02:44,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:02:44,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345690813] [2021-12-15 09:02:44,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345690813] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:02:44,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:02:44,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:02:44,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180613046] [2021-12-15 09:02:44,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:02:44,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:02:44,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:02:44,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:02:44,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:02:44,174 INFO L87 Difference]: Start difference. First operand 1418 states and 1601 transitions. Second operand has 4 states, 4 states have (on average 46.75) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:44,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:02:44,528 INFO L93 Difference]: Finished difference Result 2723 states and 3068 transitions. [2021-12-15 09:02:44,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 09:02:44,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.75) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2021-12-15 09:02:44,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:02:44,532 INFO L225 Difference]: With dead ends: 2723 [2021-12-15 09:02:44,533 INFO L226 Difference]: Without dead ends: 1447 [2021-12-15 09:02:44,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:02:44,534 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 179 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:02:44,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 81 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:02:44,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2021-12-15 09:02:44,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 1418. [2021-12-15 09:02:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1417 states have (on average 1.118560338743825) internal successors, (1585), 1417 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:44,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 1585 transitions. [2021-12-15 09:02:44,553 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 1585 transitions. Word has length 187 [2021-12-15 09:02:44,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:02:44,553 INFO L470 AbstractCegarLoop]: Abstraction has 1418 states and 1585 transitions. [2021-12-15 09:02:44,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.75) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:44,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1585 transitions. [2021-12-15 09:02:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-15 09:02:44,556 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:02:44,556 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:02:44,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 09:02:44,557 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:02:44,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:02:44,557 INFO L85 PathProgramCache]: Analyzing trace with hash 871460368, now seen corresponding path program 1 times [2021-12-15 09:02:44,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:02:44,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153062121] [2021-12-15 09:02:44,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:02:44,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:02:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:02:44,658 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:02:44,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:02:44,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153062121] [2021-12-15 09:02:44,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153062121] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:02:44,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:02:44,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 09:02:44,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495650654] [2021-12-15 09:02:44,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:02:44,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-15 09:02:44,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:02:44,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 09:02:44,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:02:44,661 INFO L87 Difference]: Start difference. First operand 1418 states and 1585 transitions. Second operand has 5 states, 5 states have (on average 38.4) internal successors, (192), 4 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:45,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:02:45,179 INFO L93 Difference]: Finished difference Result 3287 states and 3673 transitions. [2021-12-15 09:02:45,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 09:02:45,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 4 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 192 [2021-12-15 09:02:45,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:02:45,184 INFO L225 Difference]: With dead ends: 3287 [2021-12-15 09:02:45,184 INFO L226 Difference]: Without dead ends: 1585 [2021-12-15 09:02:45,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:02:45,186 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 374 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:02:45,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 71 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:02:45,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2021-12-15 09:02:45,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1278. [2021-12-15 09:02:45,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1278 states, 1277 states have (on average 1.0657791699295223) internal successors, (1361), 1277 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:45,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1361 transitions. [2021-12-15 09:02:45,204 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1361 transitions. Word has length 192 [2021-12-15 09:02:45,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:02:45,204 INFO L470 AbstractCegarLoop]: Abstraction has 1278 states and 1361 transitions. [2021-12-15 09:02:45,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 4 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:45,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1361 transitions. [2021-12-15 09:02:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-15 09:02:45,207 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:02:45,207 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:02:45,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-15 09:02:45,207 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:02:45,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:02:45,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1592111975, now seen corresponding path program 1 times [2021-12-15 09:02:45,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:02:45,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770356346] [2021-12-15 09:02:45,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:02:45,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:02:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:02:45,326 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 31 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:02:45,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:02:45,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770356346] [2021-12-15 09:02:45,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770356346] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:02:45,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438730082] [2021-12-15 09:02:45,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:02:45,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:02:45,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:02:45,329 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) [2021-12-15 09:02:45,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 09:02:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:02:45,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:02:45,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:02:45,754 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-12-15 09:02:45,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:02:45,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438730082] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:02:45,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:02:45,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-12-15 09:02:45,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760823873] [2021-12-15 09:02:45,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:02:45,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:02:45,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:02:45,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:02:45,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:02:45,756 INFO L87 Difference]: Start difference. First operand 1278 states and 1361 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:45,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:02:45,965 INFO L93 Difference]: Finished difference Result 1280 states and 1362 transitions. [2021-12-15 09:02:45,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:02:45,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 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 204 [2021-12-15 09:02:45,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:02:45,969 INFO L225 Difference]: With dead ends: 1280 [2021-12-15 09:02:45,969 INFO L226 Difference]: Without dead ends: 1278 [2021-12-15 09:02:45,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:02:45,970 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 61 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 09:02:45,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 25 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 09:02:45,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2021-12-15 09:02:45,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1278. [2021-12-15 09:02:46,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1278 states, 1277 states have (on average 1.0642129992169147) internal successors, (1359), 1277 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:46,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1359 transitions. [2021-12-15 09:02:46,003 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1359 transitions. Word has length 204 [2021-12-15 09:02:46,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:02:46,003 INFO L470 AbstractCegarLoop]: Abstraction has 1278 states and 1359 transitions. [2021-12-15 09:02:46,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:46,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1359 transitions. [2021-12-15 09:02:46,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-15 09:02:46,006 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:02:46,006 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 09:02:46,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 09:02:46,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-15 09:02:46,222 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:02:46,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:02:46,222 INFO L85 PathProgramCache]: Analyzing trace with hash 734335992, now seen corresponding path program 1 times [2021-12-15 09:02:46,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:02:46,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124357035] [2021-12-15 09:02:46,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:02:46,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:02:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:02:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:02:46,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:02:46,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124357035] [2021-12-15 09:02:46,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124357035] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:02:46,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559014469] [2021-12-15 09:02:46,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:02:46,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:02:46,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:02:46,331 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) [2021-12-15 09:02:46,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 09:02:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:02:46,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:02:46,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:02:46,669 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-15 09:02:46,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:02:46,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559014469] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:02:46,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:02:46,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-15 09:02:46,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690733775] [2021-12-15 09:02:46,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:02:46,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:02:46,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:02:46,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:02:46,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:02:46,672 INFO L87 Difference]: Start difference. First operand 1278 states and 1359 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:46,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:02:46,894 INFO L93 Difference]: Finished difference Result 2407 states and 2555 transitions. [2021-12-15 09:02:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:02:46,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2021-12-15 09:02:46,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:02:46,895 INFO L225 Difference]: With dead ends: 2407 [2021-12-15 09:02:46,895 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 09:02:46,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:02:46,897 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 39 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 09:02:46,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 28 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 09:02:46,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 09:02:46,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 09:02:46,898 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) [2021-12-15 09:02:46,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 09:02:46,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2021-12-15 09:02:46,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:02:46,898 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 09:02:46,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:02:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 09:02:46,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 09:02:46,900 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 09:02:46,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 09:02:47,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-15 09:02:47,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 09:02:47,860 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,861 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,861 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,861 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-12-15 09:02:47,862 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-12-15 09:02:47,862 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-12-15 09:02:47,863 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-12-15 09:02:47,863 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-12-15 09:02:47,863 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-12-15 09:02:47,863 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-12-15 09:02:47,863 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-12-15 09:02:47,863 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,863 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,863 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,863 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-12-15 09:02:47,863 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-12-15 09:02:47,863 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-12-15 09:02:47,863 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-12-15 09:02:47,863 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-12-15 09:02:47,864 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,864 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,864 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,864 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-12-15 09:02:47,864 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-12-15 09:02:47,864 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-12-15 09:02:47,864 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-12-15 09:02:47,864 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-12-15 09:02:47,864 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-12-15 09:02:47,864 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-12-15 09:02:47,865 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-12-15 09:02:47,865 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-12-15 09:02:47,865 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-12-15 09:02:47,865 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,865 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,865 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,865 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-12-15 09:02:47,865 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-12-15 09:02:47,866 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-12-15 09:02:47,866 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-12-15 09:02:47,866 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-12-15 09:02:47,866 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-12-15 09:02:47,866 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-12-15 09:02:47,866 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,866 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,866 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,867 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-12-15 09:02:47,867 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-12-15 09:02:47,867 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-12-15 09:02:47,867 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-12-15 09:02:47,867 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-12-15 09:02:47,867 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-12-15 09:02:47,867 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-12-15 09:02:47,867 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,868 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,868 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,868 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-12-15 09:02:47,868 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-12-15 09:02:47,868 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-12-15 09:02:47,868 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-12-15 09:02:47,868 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-12-15 09:02:47,868 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,869 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,869 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,869 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-12-15 09:02:47,869 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-12-15 09:02:47,869 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-12-15 09:02:47,869 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-12-15 09:02:47,869 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-12-15 09:02:47,870 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-12-15 09:02:47,870 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-12-15 09:02:47,870 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-12-15 09:02:47,870 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,870 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,870 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,870 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-12-15 09:02:47,870 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 09:02:47,871 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-12-15 09:02:47,871 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-12-15 09:02:47,871 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-12-15 09:02:47,871 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-12-15 09:02:47,871 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-12-15 09:02:47,871 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-12-15 09:02:47,871 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-12-15 09:02:47,871 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,872 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,872 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,872 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-12-15 09:02:47,872 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-12-15 09:02:47,872 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-12-15 09:02:47,872 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-12-15 09:02:47,872 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-12-15 09:02:47,872 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-12-15 09:02:47,873 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-12-15 09:02:47,873 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-12-15 09:02:47,873 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-12-15 09:02:47,873 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,873 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,873 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,873 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-12-15 09:02:47,873 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-12-15 09:02:47,874 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-12-15 09:02:47,874 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-12-15 09:02:47,874 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-12-15 09:02:47,874 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-12-15 09:02:47,874 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 09:02:47,874 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 539) no Hoare annotation was computed. [2021-12-15 09:02:47,874 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,875 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,875 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,875 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-12-15 09:02:47,875 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-12-15 09:02:47,875 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-12-15 09:02:47,875 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-12-15 09:02:47,875 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-12-15 09:02:47,875 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-12-15 09:02:47,876 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-12-15 09:02:47,876 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-12-15 09:02:47,876 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,876 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,876 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,876 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-12-15 09:02:47,876 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-12-15 09:02:47,877 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-12-15 09:02:47,877 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-12-15 09:02:47,877 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-12-15 09:02:47,877 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,877 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,877 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,877 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-12-15 09:02:47,878 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-12-15 09:02:47,878 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-12-15 09:02:47,878 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-12-15 09:02:47,878 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-12-15 09:02:47,878 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-12-15 09:02:47,878 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-12-15 09:02:47,878 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-12-15 09:02:47,878 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-12-15 09:02:47,879 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-12-15 09:02:47,879 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-12-15 09:02:47,879 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,879 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,879 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-12-15 09:02:47,879 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-12-15 09:02:47,879 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-12-15 09:02:47,879 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-12-15 09:02:47,880 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-12-15 09:02:47,880 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-12-15 09:02:47,880 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-12-15 09:02:47,881 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-12-15 09:02:47,881 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-12-15 09:02:47,882 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse2 (<= ~a11~0 0)) (.cse7 (<= ~a28~0 9)) (.cse3 (<= 9 ~a28~0)) (.cse1 (= ~a25~0 1)) (.cse0 (<= ~a17~0 8)) (.cse9 (= ~a11~0 1)) (.cse4 (= ~a17~0 8)) (.cse5 (= ~a21~0 1)) (.cse6 (= ~a19~0 1)) (.cse8 (<= ~a25~0 0)) (.cse10 (= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse1 (not (= 3 |ULTIMATE.start_calculate_output_~input#1|)) (= ~a28~0 11)) (and .cse0 .cse7 .cse2 .cse8) (and .cse0 .cse6 .cse9 .cse1) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse7 .cse9 .cse1 .cse3) (and .cse4 .cse5 .cse0 .cse6 .cse1 .cse10) (and .cse0 .cse9 .cse8) (and .cse4 .cse5 .cse6 (not (= 5 |ULTIMATE.start_calculate_output_~input#1|)) .cse8 .cse10))) [2021-12-15 09:02:47,883 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,883 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,883 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-12-15 09:02:47,883 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-12-15 09:02:47,883 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-12-15 09:02:47,883 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-12-15 09:02:47,883 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-12-15 09:02:47,884 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-12-15 09:02:47,884 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-12-15 09:02:47,884 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,884 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,884 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-12-15 09:02:47,884 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-12-15 09:02:47,884 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-12-15 09:02:47,884 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-12-15 09:02:47,885 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-12-15 09:02:47,885 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-12-15 09:02:47,885 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-12-15 09:02:47,885 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-12-15 09:02:47,885 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-12-15 09:02:47,885 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,885 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,885 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-12-15 09:02:47,885 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-12-15 09:02:47,886 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-12-15 09:02:47,886 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-12-15 09:02:47,886 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 09:02:47,886 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-12-15 09:02:47,886 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-12-15 09:02:47,886 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse2 (<= ~a11~0 0)) (.cse7 (<= ~a28~0 9)) (.cse3 (<= 9 ~a28~0)) (.cse1 (= ~a25~0 1)) (.cse0 (<= ~a17~0 8)) (.cse9 (= ~a11~0 1)) (.cse4 (= ~a17~0 8)) (.cse5 (= ~a21~0 1)) (.cse6 (= ~a19~0 1)) (.cse8 (<= ~a25~0 0)) (.cse10 (= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse1 (not (= 3 |ULTIMATE.start_calculate_output_~input#1|)) (= ~a28~0 11)) (and .cse0 .cse7 .cse2 .cse8) (and .cse0 .cse6 .cse9 .cse1) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse7 .cse9 .cse1 .cse3) (and .cse4 .cse5 .cse0 .cse6 .cse1 .cse10) (and .cse0 .cse9 .cse8) (and .cse4 .cse5 .cse6 (not (= 5 |ULTIMATE.start_calculate_output_~input#1|)) .cse8 .cse10))) [2021-12-15 09:02:47,886 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,887 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,887 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-12-15 09:02:47,887 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-12-15 09:02:47,887 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-12-15 09:02:47,887 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-12-15 09:02:47,887 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-12-15 09:02:47,887 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,887 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,888 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-12-15 09:02:47,888 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-12-15 09:02:47,888 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-12-15 09:02:47,888 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-12-15 09:02:47,888 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-12-15 09:02:47,888 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-12-15 09:02:47,888 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-12-15 09:02:47,888 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-12-15 09:02:47,888 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-12-15 09:02:47,889 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,889 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,889 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-12-15 09:02:47,889 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,889 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 09:02:47,889 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-12-15 09:02:47,889 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-12-15 09:02:47,889 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-12-15 09:02:47,890 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-12-15 09:02:47,890 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-12-15 09:02:47,890 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-12-15 09:02:47,890 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,890 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,890 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,890 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-12-15 09:02:47,890 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-12-15 09:02:47,891 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-12-15 09:02:47,891 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-12-15 09:02:47,891 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-12-15 09:02:47,891 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,891 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,891 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:02:47,891 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-12-15 09:02:47,891 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-12-15 09:02:47,892 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-12-15 09:02:47,892 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-12-15 09:02:47,892 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-12-15 09:02:47,892 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-12-15 09:02:47,894 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:02:47,897 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 09:02:47,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:02:47 BoogieIcfgContainer [2021-12-15 09:02:47,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 09:02:47,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 09:02:47,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 09:02:47,932 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 09:02:47,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:02:40" (3/4) ... [2021-12-15 09:02:47,934 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 09:02:47,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 09:02:47,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 09:02:47,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 09:02:47,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 09:02:48,003 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 09:02:48,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 09:02:48,004 INFO L158 Benchmark]: Toolchain (without parser) took 8614.23ms. Allocated memory was 86.0MB in the beginning and 222.3MB in the end (delta: 136.3MB). Free memory was 49.9MB in the beginning and 163.4MB in the end (delta: -113.6MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-12-15 09:02:48,004 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 09:02:48,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.56ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 47.5MB in the end (delta: 2.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 09:02:48,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.36ms. Allocated memory is still 86.0MB. Free memory was 47.5MB in the beginning and 42.2MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 09:02:48,005 INFO L158 Benchmark]: Boogie Preprocessor took 50.63ms. Allocated memory is still 86.0MB. Free memory was 42.2MB in the beginning and 38.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 09:02:48,005 INFO L158 Benchmark]: RCFGBuilder took 771.95ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 38.1MB in the beginning and 74.6MB in the end (delta: -36.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-12-15 09:02:48,005 INFO L158 Benchmark]: TraceAbstraction took 7206.50ms. Allocated memory was 115.3MB in the beginning and 222.3MB in the end (delta: 107.0MB). Free memory was 73.8MB in the beginning and 177.1MB in the end (delta: -103.2MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. [2021-12-15 09:02:48,005 INFO L158 Benchmark]: Witness Printer took 72.08ms. Allocated memory is still 222.3MB. Free memory was 177.1MB in the beginning and 163.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 09:02:48,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.56ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 47.5MB in the end (delta: 2.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.36ms. Allocated memory is still 86.0MB. Free memory was 47.5MB in the beginning and 42.2MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.63ms. Allocated memory is still 86.0MB. Free memory was 42.2MB in the beginning and 38.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 771.95ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 38.1MB in the beginning and 74.6MB in the end (delta: -36.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7206.50ms. Allocated memory was 115.3MB in the beginning and 222.3MB in the end (delta: 107.0MB). Free memory was 73.8MB in the beginning and 177.1MB in the end (delta: -103.2MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. * Witness Printer took 72.08ms. Allocated memory is still 222.3MB. Free memory was 177.1MB in the beginning and 163.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. 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: 539]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1904 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1904 mSDsluCounter, 1261 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 738 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4651 IncrementalHoareTripleChecker+Invalid, 5389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 738 mSolverCounterUnsat, 1073 mSDtfsCounter, 4651 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 459 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1418occurred in iteration=7, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 502 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 277 HoareAnnotationTreeSize, 3 FomulaSimplifications, 497 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4641 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2268 NumberOfCodeBlocks, 2268 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2255 ConstructedInterpolants, 0 QuantifiedInterpolants, 9590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 686 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 734/876 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: 616]: Loop Invariant Derived loop invariant: ((((((((((a17 <= 8 && a25 == 1) && a11 <= 0) && 9 <= a28) || (((((a17 == 8 && a21 == 1) && a19 == 1) && a25 == 1) && !(3 == input)) && a28 == 11)) || (((a17 <= 8 && a28 <= 9) && a11 <= 0) && a25 <= 0)) || (((a17 <= 8 && a19 == 1) && a11 == 1) && a25 == 1)) || (((a17 <= 8 && a19 == 1) && a25 == 1) && a11 <= 0)) || ((((a17 <= 8 && a28 <= 9) && a11 == 1) && a25 == 1) && 9 <= a28)) || (((((a17 == 8 && a21 == 1) && a17 <= 8) && a19 == 1) && a25 == 1) && a28 == 10)) || ((a17 <= 8 && a11 == 1) && a25 <= 0)) || (((((a17 == 8 && a21 == 1) && a19 == 1) && !(5 == input)) && a25 <= 0) && a28 == 10) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((a17 <= 8 && a25 == 1) && a11 <= 0) && 9 <= a28) || (((((a17 == 8 && a21 == 1) && a19 == 1) && a25 == 1) && !(3 == input)) && a28 == 11)) || (((a17 <= 8 && a28 <= 9) && a11 <= 0) && a25 <= 0)) || (((a17 <= 8 && a19 == 1) && a11 == 1) && a25 == 1)) || (((a17 <= 8 && a19 == 1) && a25 == 1) && a11 <= 0)) || ((((a17 <= 8 && a28 <= 9) && a11 == 1) && a25 == 1) && 9 <= a28)) || (((((a17 == 8 && a21 == 1) && a17 <= 8) && a19 == 1) && a25 == 1) && a28 == 10)) || ((a17 <= 8 && a11 == 1) && a25 <= 0)) || (((((a17 == 8 && a21 == 1) && a19 == 1) && !(5 == input)) && a25 <= 0) && a28 == 10) RESULT: Ultimate proved your program to be correct! [2021-12-15 09:02:48,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE