./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label42.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_label42.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a8726e54e507f4e5407a6f1ab8a73f56b359228a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 15:44:50,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:44:50,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:44:50,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:44:50,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:44:50,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:44:50,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:44:50,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:44:50,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:44:50,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:44:50,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:44:50,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:44:50,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:44:50,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:44:50,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:44:50,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:44:50,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:44:50,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:44:50,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:44:50,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:44:50,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:44:50,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:44:50,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:44:50,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:44:50,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:44:50,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:44:50,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:44:50,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:44:50,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:44:50,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:44:50,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:44:50,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:44:50,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:44:50,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:44:50,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:44:50,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:44:50,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:44:50,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:44:50,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:44:50,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:44:50,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:44:50,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:44:50,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:44:50,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:44:50,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:44:50,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:44:50,662 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:44:50,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:44:50,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:44:50,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:44:50,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:44:50,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:44:50,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:44:50,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:44:50,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:44:50,665 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:44:50,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:44:50,665 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:44:50,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:44:50,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:44:50,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:44:50,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:44:50,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:44:50,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:44:50,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:44:50,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:44:50,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:44:50,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:44:50,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:44:50,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:44:50,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:44:50,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> a8726e54e507f4e5407a6f1ab8a73f56b359228a [2019-11-28 15:44:50,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:44:50,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:44:50,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:44:50,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:44:50,988 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:44:50,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label42.c [2019-11-28 15:44:51,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da950a59d/f5d53a2c199248c4a026f16b7b40b732/FLAG9e6827b04 [2019-11-28 15:44:51,636 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:44:51,637 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label42.c [2019-11-28 15:44:51,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da950a59d/f5d53a2c199248c4a026f16b7b40b732/FLAG9e6827b04 [2019-11-28 15:44:51,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da950a59d/f5d53a2c199248c4a026f16b7b40b732 [2019-11-28 15:44:51,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:44:51,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:44:51,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:51,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:44:51,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:44:51,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:51" (1/1) ... [2019-11-28 15:44:51,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116ef4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:51, skipping insertion in model container [2019-11-28 15:44:51,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:51" (1/1) ... [2019-11-28 15:44:51,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:44:51,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:44:52,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:52,348 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:44:52,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:52,594 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:44:52,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:52 WrapperNode [2019-11-28 15:44:52,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:52,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:52,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:44:52,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:44:52,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:52" (1/1) ... [2019-11-28 15:44:52,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:52" (1/1) ... [2019-11-28 15:44:52,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:52,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:44:52,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:44:52,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:44:52,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:52" (1/1) ... [2019-11-28 15:44:52,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:52" (1/1) ... [2019-11-28 15:44:52,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:52" (1/1) ... [2019-11-28 15:44:52,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:52" (1/1) ... [2019-11-28 15:44:52,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:52" (1/1) ... [2019-11-28 15:44:52,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:52" (1/1) ... [2019-11-28 15:44:52,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:52" (1/1) ... [2019-11-28 15:44:52,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:44:52,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:44:52,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:44:52,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:44:52,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:44:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:44:52,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:44:54,252 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:44:54,253 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:44:54,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:54 BoogieIcfgContainer [2019-11-28 15:44:54,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:44:54,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:44:54,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:44:54,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:44:54,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:44:51" (1/3) ... [2019-11-28 15:44:54,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bec67f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:54, skipping insertion in model container [2019-11-28 15:44:54,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:52" (2/3) ... [2019-11-28 15:44:54,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bec67f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:54, skipping insertion in model container [2019-11-28 15:44:54,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:54" (3/3) ... [2019-11-28 15:44:54,263 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label42.c [2019-11-28 15:44:54,273 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:44:54,281 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:44:54,293 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:44:54,321 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:44:54,321 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:44:54,322 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:44:54,322 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:44:54,322 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:44:54,322 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:44:54,323 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:44:54,323 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:44:54,345 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-28 15:44:54,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-28 15:44:54,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:54,357 INFO L410 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] [2019-11-28 15:44:54,358 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:54,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:54,364 INFO L82 PathProgramCache]: Analyzing trace with hash 499493077, now seen corresponding path program 1 times [2019-11-28 15:44:54,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:54,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651429848] [2019-11-28 15:44:54,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:54,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:54,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651429848] [2019-11-28 15:44:54,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:54,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:54,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136096219] [2019-11-28 15:44:54,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:54,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:54,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:54,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:54,839 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-28 15:44:56,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:56,217 INFO L93 Difference]: Finished difference Result 748 states and 1324 transitions. [2019-11-28 15:44:56,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:56,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2019-11-28 15:44:56,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:56,236 INFO L225 Difference]: With dead ends: 748 [2019-11-28 15:44:56,236 INFO L226 Difference]: Without dead ends: 454 [2019-11-28 15:44:56,241 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:56,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-11-28 15:44:56,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 451. [2019-11-28 15:44:56,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-11-28 15:44:56,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 616 transitions. [2019-11-28 15:44:56,310 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 616 transitions. Word has length 100 [2019-11-28 15:44:56,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:56,311 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 616 transitions. [2019-11-28 15:44:56,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:56,311 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 616 transitions. [2019-11-28 15:44:56,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-28 15:44:56,317 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:56,317 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:56,318 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:56,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:56,318 INFO L82 PathProgramCache]: Analyzing trace with hash 396760741, now seen corresponding path program 1 times [2019-11-28 15:44:56,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:56,319 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085999882] [2019-11-28 15:44:56,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:56,422 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:56,422 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085999882] [2019-11-28 15:44:56,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:56,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:44:56,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472777651] [2019-11-28 15:44:56,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:56,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:56,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:56,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:56,427 INFO L87 Difference]: Start difference. First operand 451 states and 616 transitions. Second operand 3 states. [2019-11-28 15:44:56,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:56,932 INFO L93 Difference]: Finished difference Result 1323 states and 1809 transitions. [2019-11-28 15:44:56,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:56,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2019-11-28 15:44:56,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:56,938 INFO L225 Difference]: With dead ends: 1323 [2019-11-28 15:44:56,938 INFO L226 Difference]: Without dead ends: 874 [2019-11-28 15:44:56,940 INFO L630 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 [2019-11-28 15:44:56,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-11-28 15:44:56,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2019-11-28 15:44:56,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2019-11-28 15:44:56,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1139 transitions. [2019-11-28 15:44:56,980 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1139 transitions. Word has length 117 [2019-11-28 15:44:56,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:56,981 INFO L462 AbstractCegarLoop]: Abstraction has 874 states and 1139 transitions. [2019-11-28 15:44:56,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1139 transitions. [2019-11-28 15:44:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-28 15:44:56,986 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:56,987 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:56,987 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:56,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:56,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1844290899, now seen corresponding path program 1 times [2019-11-28 15:44:56,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:56,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095736354] [2019-11-28 15:44:56,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:57,143 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095736354] [2019-11-28 15:44:57,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:57,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:57,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796131305] [2019-11-28 15:44:57,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:57,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:57,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:57,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:57,146 INFO L87 Difference]: Start difference. First operand 874 states and 1139 transitions. Second operand 4 states. [2019-11-28 15:44:57,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:57,672 INFO L93 Difference]: Finished difference Result 2154 states and 2796 transitions. [2019-11-28 15:44:57,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:57,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2019-11-28 15:44:57,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:57,681 INFO L225 Difference]: With dead ends: 2154 [2019-11-28 15:44:57,682 INFO L226 Difference]: Without dead ends: 1282 [2019-11-28 15:44:57,683 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:57,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2019-11-28 15:44:57,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 862. [2019-11-28 15:44:57,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2019-11-28 15:44:57,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1063 transitions. [2019-11-28 15:44:57,722 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1063 transitions. Word has length 133 [2019-11-28 15:44:57,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:57,724 INFO L462 AbstractCegarLoop]: Abstraction has 862 states and 1063 transitions. [2019-11-28 15:44:57,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1063 transitions. [2019-11-28 15:44:57,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-28 15:44:57,746 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:57,747 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-28 15:44:57,747 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:57,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:57,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1961644753, now seen corresponding path program 1 times [2019-11-28 15:44:57,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:57,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798949008] [2019-11-28 15:44:57,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:57,850 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-28 15:44:57,851 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798949008] [2019-11-28 15:44:57,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:57,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:57,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770680620] [2019-11-28 15:44:57,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:57,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:57,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:57,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:57,854 INFO L87 Difference]: Start difference. First operand 862 states and 1063 transitions. Second operand 3 states. [2019-11-28 15:44:58,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:58,426 INFO L93 Difference]: Finished difference Result 2286 states and 2790 transitions. [2019-11-28 15:44:58,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:58,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-11-28 15:44:58,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:58,436 INFO L225 Difference]: With dead ends: 2286 [2019-11-28 15:44:58,436 INFO L226 Difference]: Without dead ends: 1426 [2019-11-28 15:44:58,438 INFO L630 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 [2019-11-28 15:44:58,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2019-11-28 15:44:58,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1143. [2019-11-28 15:44:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2019-11-28 15:44:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1399 transitions. [2019-11-28 15:44:58,474 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1399 transitions. Word has length 139 [2019-11-28 15:44:58,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:58,474 INFO L462 AbstractCegarLoop]: Abstraction has 1143 states and 1399 transitions. [2019-11-28 15:44:58,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:58,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1399 transitions. [2019-11-28 15:44:58,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-28 15:44:58,477 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:58,477 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 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] [2019-11-28 15:44:58,478 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:58,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:58,478 INFO L82 PathProgramCache]: Analyzing trace with hash -435160690, now seen corresponding path program 1 times [2019-11-28 15:44:58,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:58,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067081389] [2019-11-28 15:44:58,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-28 15:44:58,564 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067081389] [2019-11-28 15:44:58,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:58,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:58,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612127904] [2019-11-28 15:44:58,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:58,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:58,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:58,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:58,567 INFO L87 Difference]: Start difference. First operand 1143 states and 1399 transitions. Second operand 3 states. [2019-11-28 15:44:59,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:59,019 INFO L93 Difference]: Finished difference Result 2566 states and 3148 transitions. [2019-11-28 15:44:59,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:59,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-11-28 15:44:59,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:59,027 INFO L225 Difference]: With dead ends: 2566 [2019-11-28 15:44:59,028 INFO L226 Difference]: Without dead ends: 1425 [2019-11-28 15:44:59,030 INFO L630 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 [2019-11-28 15:44:59,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2019-11-28 15:44:59,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1423. [2019-11-28 15:44:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1423 states. [2019-11-28 15:44:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 1704 transitions. [2019-11-28 15:44:59,057 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 1704 transitions. Word has length 144 [2019-11-28 15:44:59,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:59,058 INFO L462 AbstractCegarLoop]: Abstraction has 1423 states and 1704 transitions. [2019-11-28 15:44:59,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1704 transitions. [2019-11-28 15:44:59,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-28 15:44:59,061 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:59,061 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:59,061 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:59,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:59,062 INFO L82 PathProgramCache]: Analyzing trace with hash -266021720, now seen corresponding path program 1 times [2019-11-28 15:44:59,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:59,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138132480] [2019-11-28 15:44:59,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:59,123 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 15:44:59,124 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138132480] [2019-11-28 15:44:59,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:59,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:44:59,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225214320] [2019-11-28 15:44:59,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:59,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:59,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:59,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:59,126 INFO L87 Difference]: Start difference. First operand 1423 states and 1704 transitions. Second operand 4 states. [2019-11-28 15:44:59,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:59,929 INFO L93 Difference]: Finished difference Result 3404 states and 4091 transitions. [2019-11-28 15:44:59,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:59,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2019-11-28 15:44:59,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:59,938 INFO L225 Difference]: With dead ends: 3404 [2019-11-28 15:44:59,938 INFO L226 Difference]: Without dead ends: 1700 [2019-11-28 15:44:59,940 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:59,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2019-11-28 15:44:59,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1560. [2019-11-28 15:44:59,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1560 states. [2019-11-28 15:44:59,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 1725 transitions. [2019-11-28 15:44:59,969 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 1725 transitions. Word has length 146 [2019-11-28 15:44:59,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:59,969 INFO L462 AbstractCegarLoop]: Abstraction has 1560 states and 1725 transitions. [2019-11-28 15:44:59,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:59,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 1725 transitions. [2019-11-28 15:44:59,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-28 15:44:59,973 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:59,973 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:59,973 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:59,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:59,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1950870258, now seen corresponding path program 1 times [2019-11-28 15:44:59,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:59,974 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978326739] [2019-11-28 15:44:59,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 15:45:00,113 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978326739] [2019-11-28 15:45:00,114 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501392058] [2019-11-28 15:45:00,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:45:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:00,206 INFO L264 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 15:45:00,228 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:45:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 15:45:00,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 15:45:00,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-28 15:45:00,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181346068] [2019-11-28 15:45:00,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:45:00,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:00,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:45:00,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:45:00,277 INFO L87 Difference]: Start difference. First operand 1560 states and 1725 transitions. Second operand 3 states. [2019-11-28 15:45:00,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:00,754 INFO L93 Difference]: Finished difference Result 3397 states and 3747 transitions. [2019-11-28 15:45:00,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:45:00,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-11-28 15:45:00,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:00,762 INFO L225 Difference]: With dead ends: 3397 [2019-11-28 15:45:00,763 INFO L226 Difference]: Without dead ends: 1697 [2019-11-28 15:45:00,765 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:45:00,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2019-11-28 15:45:00,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1695. [2019-11-28 15:45:00,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1695 states. [2019-11-28 15:45:00,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 1803 transitions. [2019-11-28 15:45:00,796 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 1803 transitions. Word has length 150 [2019-11-28 15:45:00,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:00,796 INFO L462 AbstractCegarLoop]: Abstraction has 1695 states and 1803 transitions. [2019-11-28 15:45:00,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:45:00,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 1803 transitions. [2019-11-28 15:45:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-28 15:45:00,800 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:00,800 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:01,004 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:45:01,005 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:01,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:01,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1731681118, now seen corresponding path program 1 times [2019-11-28 15:45:01,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:01,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760217206] [2019-11-28 15:45:01,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 78 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 15:45:01,146 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760217206] [2019-11-28 15:45:01,146 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088374475] [2019-11-28 15:45:01,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:45:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:01,226 INFO L264 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 15:45:01,238 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:45:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-28 15:45:01,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 15:45:01,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-11-28 15:45:01,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374280640] [2019-11-28 15:45:01,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:45:01,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:01,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:45:01,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:45:01,314 INFO L87 Difference]: Start difference. First operand 1695 states and 1803 transitions. Second operand 3 states. [2019-11-28 15:45:01,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:01,706 INFO L93 Difference]: Finished difference Result 4518 states and 4819 transitions. [2019-11-28 15:45:01,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:45:01,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-11-28 15:45:01,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:01,720 INFO L225 Difference]: With dead ends: 4518 [2019-11-28 15:45:01,720 INFO L226 Difference]: Without dead ends: 2965 [2019-11-28 15:45:01,724 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:45:01,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2019-11-28 15:45:01,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2965. [2019-11-28 15:45:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2965 states. [2019-11-28 15:45:01,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 3160 transitions. [2019-11-28 15:45:01,781 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 3160 transitions. Word has length 168 [2019-11-28 15:45:01,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:01,782 INFO L462 AbstractCegarLoop]: Abstraction has 2965 states and 3160 transitions. [2019-11-28 15:45:01,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:45:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 3160 transitions. [2019-11-28 15:45:01,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-28 15:45:01,790 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:01,790 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-28 15:45:01,993 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:45:01,994 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:01,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:01,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1863728915, now seen corresponding path program 1 times [2019-11-28 15:45:01,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:01,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544584723] [2019-11-28 15:45:01,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:02,060 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-28 15:45:02,061 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544584723] [2019-11-28 15:45:02,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:02,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:45:02,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463088475] [2019-11-28 15:45:02,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:45:02,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:02,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:45:02,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:45:02,063 INFO L87 Difference]: Start difference. First operand 2965 states and 3160 transitions. Second operand 3 states. [2019-11-28 15:45:02,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:02,490 INFO L93 Difference]: Finished difference Result 4660 states and 4962 transitions. [2019-11-28 15:45:02,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:45:02,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-11-28 15:45:02,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:02,503 INFO L225 Difference]: With dead ends: 4660 [2019-11-28 15:45:02,503 INFO L226 Difference]: Without dead ends: 2965 [2019-11-28 15:45:02,507 INFO L630 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 [2019-11-28 15:45:02,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2019-11-28 15:45:02,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2825. [2019-11-28 15:45:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2825 states. [2019-11-28 15:45:02,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 3011 transitions. [2019-11-28 15:45:02,558 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 3011 transitions. Word has length 172 [2019-11-28 15:45:02,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:02,559 INFO L462 AbstractCegarLoop]: Abstraction has 2825 states and 3011 transitions. [2019-11-28 15:45:02,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:45:02,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3011 transitions. [2019-11-28 15:45:02,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-11-28 15:45:02,565 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:02,566 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:02,566 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:02,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:02,566 INFO L82 PathProgramCache]: Analyzing trace with hash 927349297, now seen corresponding path program 1 times [2019-11-28 15:45:02,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:02,567 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936113846] [2019-11-28 15:45:02,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:02,667 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-28 15:45:02,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936113846] [2019-11-28 15:45:02,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:02,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:45:02,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918203538] [2019-11-28 15:45:02,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:45:02,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:02,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:45:02,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:45:02,670 INFO L87 Difference]: Start difference. First operand 2825 states and 3011 transitions. Second operand 3 states. [2019-11-28 15:45:03,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:03,100 INFO L93 Difference]: Finished difference Result 3665 states and 3891 transitions. [2019-11-28 15:45:03,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:45:03,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-11-28 15:45:03,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:03,101 INFO L225 Difference]: With dead ends: 3665 [2019-11-28 15:45:03,101 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 15:45:03,106 INFO L630 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 [2019-11-28 15:45:03,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 15:45:03,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 15:45:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 15:45:03,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 15:45:03,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2019-11-28 15:45:03,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:03,107 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 15:45:03,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:45:03,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 15:45:03,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:45:03,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 15:45:03,493 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2019-11-28 15:45:03,766 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2019-11-28 15:45:03,770 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,770 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,771 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,771 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-28 15:45:03,771 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-28 15:45:03,771 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-28 15:45:03,771 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-28 15:45:03,771 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-28 15:45:03,771 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-28 15:45:03,772 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-28 15:45:03,773 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,773 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,774 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,774 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-28 15:45:03,774 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-28 15:45:03,774 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-28 15:45:03,774 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-28 15:45:03,774 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:45:03,774 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:45:03,774 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-28 15:45:03,774 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,774 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,774 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,774 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-28 15:45:03,775 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-28 15:45:03,775 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-28 15:45:03,775 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-28 15:45:03,775 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-28 15:45:03,775 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,775 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,775 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,775 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-28 15:45:03,775 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-28 15:45:03,775 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-28 15:45:03,775 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-28 15:45:03,775 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-28 15:45:03,776 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-28 15:45:03,776 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-28 15:45:03,777 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-28 15:45:03,777 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,777 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,777 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,777 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-28 15:45:03,777 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-28 15:45:03,777 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-28 15:45:03,777 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-28 15:45:03,777 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-28 15:45:03,777 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-28 15:45:03,777 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-28 15:45:03,778 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-28 15:45:03,778 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,778 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,778 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,778 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:45:03,778 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:45:03,778 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:45:03,778 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:45:03,778 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-28 15:45:03,778 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-28 15:45:03,778 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-28 15:45:03,779 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-28 15:45:03,779 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-28 15:45:03,779 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,779 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,779 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,779 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-28 15:45:03,779 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-28 15:45:03,779 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-28 15:45:03,779 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-28 15:45:03,779 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-28 15:45:03,779 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-28 15:45:03,780 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,780 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,780 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,780 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-28 15:45:03,780 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-28 15:45:03,780 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-28 15:45:03,780 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-28 15:45:03,780 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-28 15:45:03,780 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:45:03,780 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-28 15:45:03,780 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-28 15:45:03,780 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-28 15:45:03,781 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,781 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,781 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,781 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-28 15:45:03,781 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-28 15:45:03,781 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-28 15:45:03,781 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-28 15:45:03,781 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-28 15:45:03,781 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,781 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,781 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,781 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-28 15:45:03,782 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-28 15:45:03,782 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-28 15:45:03,782 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-28 15:45:03,782 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-28 15:45:03,782 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-28 15:45:03,782 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:45:03,782 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:45:03,782 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-28 15:45:03,782 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-28 15:45:03,782 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:45:03,782 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2019-11-28 15:45:03,782 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-28 15:45:03,783 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,783 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,783 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-28 15:45:03,783 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-28 15:45:03,783 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-28 15:45:03,783 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-28 15:45:03,783 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-28 15:45:03,783 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-28 15:45:03,783 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:45:03,783 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:45:03,784 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-28 15:45:03,786 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse9 (= ~a25~0 1))) (let ((.cse10 (not .cse9)) (.cse1 (= ~a28~0 7)) (.cse0 (= ~a17~0 8)) (.cse2 (<= ~a11~0 0)) (.cse8 (not (= ~a28~0 11))) (.cse7 (= ~a11~0 1)) (.cse3 (= ~a28~0 10)) (.cse4 (not (= ~a28~0 8))) (.cse6 (= ~a19~0 1)) (.cse5 (not (= ~a17~0 9)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse4 .cse6 .cse7 .cse5 .cse8) (and .cse4 .cse9 .cse7 .cse5 .cse8) (and .cse0 .cse1 .cse7) (and .cse10 .cse4 .cse2 .cse5 .cse8) (and .cse10 .cse0 .cse2 .cse8) (and .cse6 .cse1 .cse9 .cse5) (and .cse0 .cse6 .cse2 .cse8) (and .cse4 .cse6 .cse2 .cse5 .cse8) (and .cse3 .cse4 .cse7 .cse5) (and (<= 11 ~a28~0) .cse4 .cse6 .cse9 .cse5) (and .cse3 .cse4 .cse6 .cse5)))) [2019-11-28 15:45:03,786 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,786 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,786 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-28 15:45:03,786 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-28 15:45:03,786 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-28 15:45:03,786 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-28 15:45:03,786 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:45:03,787 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:45:03,787 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-28 15:45:03,787 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,787 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,787 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-28 15:45:03,787 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-28 15:45:03,787 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-28 15:45:03,787 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-28 15:45:03,787 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-28 15:45:03,787 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-28 15:45:03,787 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:45:03,787 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:45:03,788 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-28 15:45:03,788 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,788 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,788 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:45:03,788 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:45:03,788 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-28 15:45:03,788 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-28 15:45:03,788 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-28 15:45:03,789 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-28 15:45:03,789 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse9 (= ~a25~0 1))) (let ((.cse10 (not .cse9)) (.cse1 (= ~a28~0 7)) (.cse0 (= ~a17~0 8)) (.cse2 (<= ~a11~0 0)) (.cse8 (not (= ~a28~0 11))) (.cse7 (= ~a11~0 1)) (.cse3 (= ~a28~0 10)) (.cse4 (not (= ~a28~0 8))) (.cse6 (= ~a19~0 1)) (.cse5 (not (= ~a17~0 9)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse4 .cse6 .cse7 .cse5 .cse8) (and .cse4 .cse9 .cse7 .cse5 .cse8) (and .cse0 .cse1 .cse7) (and .cse10 .cse4 .cse2 .cse5 .cse8) (and .cse10 .cse0 .cse2 .cse8) (and .cse6 .cse1 .cse9 .cse5) (and .cse0 .cse6 .cse2 .cse8) (and .cse4 .cse6 .cse2 .cse5 .cse8) (and .cse3 .cse4 .cse7 .cse5) (and (<= 11 ~a28~0) .cse4 .cse6 .cse9 .cse5) (and .cse3 .cse4 .cse6 .cse5)))) [2019-11-28 15:45:03,789 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,789 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,789 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-28 15:45:03,789 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-28 15:45:03,789 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-28 15:45:03,790 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-28 15:45:03,790 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-28 15:45:03,790 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,790 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,790 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-28 15:45:03,790 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-28 15:45:03,790 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-28 15:45:03,790 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-28 15:45:03,790 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-28 15:45:03,790 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-28 15:45:03,791 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-28 15:45:03,791 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:45:03,791 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:45:03,791 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,791 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,791 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-28 15:45:03,791 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,791 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-28 15:45:03,791 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-28 15:45:03,791 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-28 15:45:03,791 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-28 15:45:03,791 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-28 15:45:03,792 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:45:03,792 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-28 15:45:03,792 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,792 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,792 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,792 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-28 15:45:03,792 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-28 15:45:03,792 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-28 15:45:03,792 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-28 15:45:03,792 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-28 15:45:03,792 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,793 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,793 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,793 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-28 15:45:03,793 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-28 15:45:03,793 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-28 15:45:03,793 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-28 15:45:03,793 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-28 15:45:03,793 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-28 15:45:03,793 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,793 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,793 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,794 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-28 15:45:03,794 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-28 15:45:03,794 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-28 15:45:03,794 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-28 15:45:03,794 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-28 15:45:03,794 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-28 15:45:03,794 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:45:03,794 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-28 15:45:03,794 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-28 15:45:03,794 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,794 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,794 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,795 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-28 15:45:03,795 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-28 15:45:03,795 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-28 15:45:03,795 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-28 15:45:03,795 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-28 15:45:03,795 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,795 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,795 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:03,795 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-28 15:45:03,795 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-28 15:45:03,795 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-28 15:45:03,796 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-28 15:45:03,796 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-28 15:45:03,796 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-28 15:45:03,796 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:45:03,796 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-28 15:45:03,796 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:45:03,796 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-28 15:45:03,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:45:03 BoogieIcfgContainer [2019-11-28 15:45:03,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:45:03,846 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:45:03,846 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:45:03,847 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:45:03,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:54" (3/4) ... [2019-11-28 15:45:03,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:45:03,875 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:45:03,876 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 15:45:04,083 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:45:04,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:45:04,086 INFO L168 Benchmark]: Toolchain (without parser) took 12200.23 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 427.8 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -260.1 MB). Peak memory consumption was 167.8 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:04,086 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:45:04,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:04,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:04,088 INFO L168 Benchmark]: Boogie Preprocessor took 86.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:45:04,090 INFO L168 Benchmark]: RCFGBuilder took 1433.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:04,091 INFO L168 Benchmark]: TraceAbstraction took 9590.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 288.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -237.9 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:04,091 INFO L168 Benchmark]: Witness Printer took 237.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:04,094 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 708.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 137.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1433.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9590.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 288.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -237.9 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * Witness Printer took 237.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 472]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((a17 == 8 && a28 == 7) && a11 <= 0) || (((a28 == 10 && !(a28 == 8)) && a11 <= 0) && !(a17 == 9))) || ((((!(a28 == 8) && a19 == 1) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || ((((!(a28 == 8) && a25 == 1) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || ((a17 == 8 && a28 == 7) && a11 == 1)) || ((((!(a25 == 1) && !(a28 == 8)) && a11 <= 0) && !(a17 == 9)) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 <= 0) && !(a28 == 11))) || (((a19 == 1 && a28 == 7) && a25 == 1) && !(a17 == 9))) || (((a17 == 8 && a19 == 1) && a11 <= 0) && !(a28 == 11))) || ((((!(a28 == 8) && a19 == 1) && a11 <= 0) && !(a17 == 9)) && !(a28 == 11))) || (((a28 == 10 && !(a28 == 8)) && a11 == 1) && !(a17 == 9))) || ((((11 <= a28 && !(a28 == 8)) && a19 == 1) && a25 == 1) && !(a17 == 9))) || (((a28 == 10 && !(a28 == 8)) && a19 == 1) && !(a17 == 9)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((((((a17 == 8 && a28 == 7) && a11 <= 0) || (((a28 == 10 && !(a28 == 8)) && a11 <= 0) && !(a17 == 9))) || ((((!(a28 == 8) && a19 == 1) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || ((((!(a28 == 8) && a25 == 1) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || ((a17 == 8 && a28 == 7) && a11 == 1)) || ((((!(a25 == 1) && !(a28 == 8)) && a11 <= 0) && !(a17 == 9)) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 <= 0) && !(a28 == 11))) || (((a19 == 1 && a28 == 7) && a25 == 1) && !(a17 == 9))) || (((a17 == 8 && a19 == 1) && a11 <= 0) && !(a28 == 11))) || ((((!(a28 == 8) && a19 == 1) && a11 <= 0) && !(a17 == 9)) && !(a28 == 11))) || (((a28 == 10 && !(a28 == 8)) && a11 == 1) && !(a17 == 9))) || ((((11 <= a28 && !(a28 == 8)) && a19 == 1) && a25 == 1) && !(a17 == 9))) || (((a28 == 10 && !(a28 == 8)) && a19 == 1) && !(a17 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 8.7s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 1065 SDtfs, 1945 SDslu, 163 SDs, 0 SdLazy, 3995 SolverSat, 768 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 329 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2965occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 990 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 409 HoareAnnotationTreeSize, 3 FomulaSimplifications, 226 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1780 NumberOfCodeBlocks, 1780 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1768 ConstructedInterpolants, 0 QuantifiedInterpolants, 536707 SizeOfPredicates, 1 NumberOfNonLiveVariables, 580 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 853/855 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...