./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label03.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_label03.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 79d76b935496dc6a959c1e4984dc143bd47f9882 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:44:10,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:44:10,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:44:10,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:44:10,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:44:10,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:44:10,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:44:10,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:44:10,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:44:10,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:44:10,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:44:10,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:44:10,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:44:10,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:44:10,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:44:10,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:44:10,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:44:10,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:44:10,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:44:10,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:44:10,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:44:10,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:44:10,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:44:10,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:44:10,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:44:10,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:44:10,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:44:10,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:44:10,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:44:10,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:44:10,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:44:10,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:44:10,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:44:10,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:44:10,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:44:10,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:44:10,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:44:10,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:44:10,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:44:10,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:44:10,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:44:10,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:44:10,871 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:44:10,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:44:10,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:44:10,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:44:10,873 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:44:10,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:44:10,873 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:44:10,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:44:10,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:44:10,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:44:10,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:44:10,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:44:10,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:44:10,875 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:44:10,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:44:10,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:44:10,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:44:10,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:44:10,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:44:10,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:44:10,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:44:10,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:44:10,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:44:10,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:44:10,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:44:10,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:44:10,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:44:10,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:44:10,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:44:10,878 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 -> 79d76b935496dc6a959c1e4984dc143bd47f9882 [2019-11-28 15:44:11,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:44:11,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:44:11,258 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:44:11,260 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:44:11,261 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:44:11,262 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label03.c [2019-11-28 15:44:11,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e18e7b3c5/993e1a20f78b4ff79b3ca73b18685b90/FLAG8197ec4ff [2019-11-28 15:44:11,955 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:44:11,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label03.c [2019-11-28 15:44:11,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e18e7b3c5/993e1a20f78b4ff79b3ca73b18685b90/FLAG8197ec4ff [2019-11-28 15:44:12,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e18e7b3c5/993e1a20f78b4ff79b3ca73b18685b90 [2019-11-28 15:44:12,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:44:12,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:44:12,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:12,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:44:12,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:44:12,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:12" (1/1) ... [2019-11-28 15:44:12,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31007272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:12, skipping insertion in model container [2019-11-28 15:44:12,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:12" (1/1) ... [2019-11-28 15:44:12,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:44:12,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:44:12,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:12,854 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:44:13,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:13,043 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:44:13,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13 WrapperNode [2019-11-28 15:44:13,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:13,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:13,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:44:13,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:44:13,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13" (1/1) ... [2019-11-28 15:44:13,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13" (1/1) ... [2019-11-28 15:44:13,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:13,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:44:13,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:44:13,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:44:13,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13" (1/1) ... [2019-11-28 15:44:13,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13" (1/1) ... [2019-11-28 15:44:13,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13" (1/1) ... [2019-11-28 15:44:13,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13" (1/1) ... [2019-11-28 15:44:13,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13" (1/1) ... [2019-11-28 15:44:13,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13" (1/1) ... [2019-11-28 15:44:13,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13" (1/1) ... [2019-11-28 15:44:13,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:44:13,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:44:13,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:44:13,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:44:13,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13" (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 15:44:13,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:44:13,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:44:14,678 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:44:14,678 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:44:14,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:14 BoogieIcfgContainer [2019-11-28 15:44:14,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:44:14,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:44:14,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:44:14,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:44:14,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:44:12" (1/3) ... [2019-11-28 15:44:14,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35caa3c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:14, skipping insertion in model container [2019-11-28 15:44:14,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13" (2/3) ... [2019-11-28 15:44:14,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35caa3c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:14, skipping insertion in model container [2019-11-28 15:44:14,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:14" (3/3) ... [2019-11-28 15:44:14,693 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label03.c [2019-11-28 15:44:14,705 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:44:14,714 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:44:14,727 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:44:14,765 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:44:14,766 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:44:14,766 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:44:14,767 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:44:14,767 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:44:14,767 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:44:14,768 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:44:14,768 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:44:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-28 15:44:14,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-28 15:44:14,806 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:14,807 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, 1, 1, 1, 1, 1, 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 15:44:14,808 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:14,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:14,815 INFO L82 PathProgramCache]: Analyzing trace with hash -2099114005, now seen corresponding path program 1 times [2019-11-28 15:44:14,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:14,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343630969] [2019-11-28 15:44:14,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:15,326 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 15:44:15,327 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343630969] [2019-11-28 15:44:15,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:15,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:15,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972218835] [2019-11-28 15:44:15,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:15,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:15,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:15,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:15,367 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-28 15:44:16,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:16,862 INFO L93 Difference]: Finished difference Result 746 states and 1322 transitions. [2019-11-28 15:44:16,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:16,865 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2019-11-28 15:44:16,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:16,902 INFO L225 Difference]: With dead ends: 746 [2019-11-28 15:44:16,902 INFO L226 Difference]: Without dead ends: 452 [2019-11-28 15:44:16,916 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 15:44:16,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-11-28 15:44:17,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 449. [2019-11-28 15:44:17,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-11-28 15:44:17,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 609 transitions. [2019-11-28 15:44:17,034 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 609 transitions. Word has length 129 [2019-11-28 15:44:17,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:17,039 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 609 transitions. [2019-11-28 15:44:17,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:17,040 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 609 transitions. [2019-11-28 15:44:17,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-28 15:44:17,053 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:17,053 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:17,053 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:17,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:17,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1254611531, now seen corresponding path program 1 times [2019-11-28 15:44:17,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:17,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747137933] [2019-11-28 15:44:17,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:17,174 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747137933] [2019-11-28 15:44:17,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:17,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:17,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065619670] [2019-11-28 15:44:17,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:17,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:17,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:17,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:17,181 INFO L87 Difference]: Start difference. First operand 449 states and 609 transitions. Second operand 3 states. [2019-11-28 15:44:17,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:17,744 INFO L93 Difference]: Finished difference Result 1040 states and 1422 transitions. [2019-11-28 15:44:17,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:17,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-11-28 15:44:17,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:17,748 INFO L225 Difference]: With dead ends: 1040 [2019-11-28 15:44:17,749 INFO L226 Difference]: Without dead ends: 593 [2019-11-28 15:44:17,751 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 15:44:17,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-11-28 15:44:17,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 592. [2019-11-28 15:44:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2019-11-28 15:44:17,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 767 transitions. [2019-11-28 15:44:17,782 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 767 transitions. Word has length 138 [2019-11-28 15:44:17,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:17,783 INFO L462 AbstractCegarLoop]: Abstraction has 592 states and 767 transitions. [2019-11-28 15:44:17,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 767 transitions. [2019-11-28 15:44:17,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-28 15:44:17,786 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:17,786 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:17,786 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:17,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:17,792 INFO L82 PathProgramCache]: Analyzing trace with hash -393009665, now seen corresponding path program 1 times [2019-11-28 15:44:17,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:17,792 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86191999] [2019-11-28 15:44:17,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:17,904 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:17,905 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86191999] [2019-11-28 15:44:17,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:17,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:17,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756933591] [2019-11-28 15:44:17,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:17,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:17,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:17,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:17,909 INFO L87 Difference]: Start difference. First operand 592 states and 767 transitions. Second operand 3 states. [2019-11-28 15:44:18,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:18,520 INFO L93 Difference]: Finished difference Result 1324 states and 1736 transitions. [2019-11-28 15:44:18,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:18,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-11-28 15:44:18,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:18,525 INFO L225 Difference]: With dead ends: 1324 [2019-11-28 15:44:18,525 INFO L226 Difference]: Without dead ends: 734 [2019-11-28 15:44:18,527 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 15:44:18,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2019-11-28 15:44:18,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 733. [2019-11-28 15:44:18,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2019-11-28 15:44:18,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 918 transitions. [2019-11-28 15:44:18,547 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 918 transitions. Word has length 142 [2019-11-28 15:44:18,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:18,548 INFO L462 AbstractCegarLoop]: Abstraction has 733 states and 918 transitions. [2019-11-28 15:44:18,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:18,548 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 918 transitions. [2019-11-28 15:44:18,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-28 15:44:18,552 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:18,552 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:18,553 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:18,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:18,553 INFO L82 PathProgramCache]: Analyzing trace with hash -82222576, now seen corresponding path program 1 times [2019-11-28 15:44:18,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:18,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523741163] [2019-11-28 15:44:18,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-28 15:44:18,635 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523741163] [2019-11-28 15:44:18,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:18,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:44:18,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491509844] [2019-11-28 15:44:18,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:18,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:18,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:18,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:18,638 INFO L87 Difference]: Start difference. First operand 733 states and 918 transitions. Second operand 3 states. [2019-11-28 15:44:19,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:19,279 INFO L93 Difference]: Finished difference Result 2025 states and 2561 transitions. [2019-11-28 15:44:19,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:19,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-11-28 15:44:19,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:19,291 INFO L225 Difference]: With dead ends: 2025 [2019-11-28 15:44:19,291 INFO L226 Difference]: Without dead ends: 1294 [2019-11-28 15:44:19,294 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 15:44:19,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2019-11-28 15:44:19,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1294. [2019-11-28 15:44:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1294 states. [2019-11-28 15:44:19,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1584 transitions. [2019-11-28 15:44:19,340 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1584 transitions. Word has length 150 [2019-11-28 15:44:19,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:19,340 INFO L462 AbstractCegarLoop]: Abstraction has 1294 states and 1584 transitions. [2019-11-28 15:44:19,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:19,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1584 transitions. [2019-11-28 15:44:19,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-28 15:44:19,347 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:19,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:19,348 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:19,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:19,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1257335336, now seen corresponding path program 1 times [2019-11-28 15:44:19,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:19,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788080965] [2019-11-28 15:44:19,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:19,903 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:19,904 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788080965] [2019-11-28 15:44:19,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:19,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-28 15:44:19,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820307571] [2019-11-28 15:44:19,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 15:44:19,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:19,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 15:44:19,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-11-28 15:44:19,906 INFO L87 Difference]: Start difference. First operand 1294 states and 1584 transitions. Second operand 10 states. [2019-11-28 15:44:21,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:21,261 INFO L93 Difference]: Finished difference Result 3512 states and 4258 transitions. [2019-11-28 15:44:21,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 15:44:21,262 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2019-11-28 15:44:21,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:21,273 INFO L225 Difference]: With dead ends: 3512 [2019-11-28 15:44:21,273 INFO L226 Difference]: Without dead ends: 2220 [2019-11-28 15:44:21,276 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-11-28 15:44:21,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2019-11-28 15:44:21,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 1653. [2019-11-28 15:44:21,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1653 states. [2019-11-28 15:44:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 1966 transitions. [2019-11-28 15:44:21,318 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 1966 transitions. Word has length 159 [2019-11-28 15:44:21,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:21,318 INFO L462 AbstractCegarLoop]: Abstraction has 1653 states and 1966 transitions. [2019-11-28 15:44:21,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 15:44:21,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 1966 transitions. [2019-11-28 15:44:21,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-11-28 15:44:21,325 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:21,325 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:21,326 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:21,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:21,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1956209418, now seen corresponding path program 1 times [2019-11-28 15:44:21,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:21,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634610068] [2019-11-28 15:44:21,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-28 15:44:21,436 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634610068] [2019-11-28 15:44:21,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:21,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:44:21,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111337834] [2019-11-28 15:44:21,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:21,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:21,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:21,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:21,438 INFO L87 Difference]: Start difference. First operand 1653 states and 1966 transitions. Second operand 4 states. [2019-11-28 15:44:22,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:22,270 INFO L93 Difference]: Finished difference Result 4007 states and 4789 transitions. [2019-11-28 15:44:22,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:22,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 204 [2019-11-28 15:44:22,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:22,279 INFO L225 Difference]: With dead ends: 4007 [2019-11-28 15:44:22,280 INFO L226 Difference]: Without dead ends: 1924 [2019-11-28 15:44:22,283 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 15:44:22,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2019-11-28 15:44:22,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1922. [2019-11-28 15:44:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1922 states. [2019-11-28 15:44:22,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1922 states and 2124 transitions. [2019-11-28 15:44:22,320 INFO L78 Accepts]: Start accepts. Automaton has 1922 states and 2124 transitions. Word has length 204 [2019-11-28 15:44:22,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:22,321 INFO L462 AbstractCegarLoop]: Abstraction has 1922 states and 2124 transitions. [2019-11-28 15:44:22,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:22,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2124 transitions. [2019-11-28 15:44:22,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-28 15:44:22,326 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:22,326 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:22,327 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:22,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:22,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1945288329, now seen corresponding path program 1 times [2019-11-28 15:44:22,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:22,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047431762] [2019-11-28 15:44:22,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 15:44:22,413 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047431762] [2019-11-28 15:44:22,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:22,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:22,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900136578] [2019-11-28 15:44:22,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:22,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:22,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:22,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:22,415 INFO L87 Difference]: Start difference. First operand 1922 states and 2124 transitions. Second operand 3 states. [2019-11-28 15:44:22,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:22,898 INFO L93 Difference]: Finished difference Result 4821 states and 5380 transitions. [2019-11-28 15:44:22,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:22,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-11-28 15:44:22,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:22,910 INFO L225 Difference]: With dead ends: 4821 [2019-11-28 15:44:22,910 INFO L226 Difference]: Without dead ends: 2198 [2019-11-28 15:44:22,914 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 15:44:22,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2019-11-28 15:44:22,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 1918. [2019-11-28 15:44:22,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1918 states. [2019-11-28 15:44:22,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1918 states and 2093 transitions. [2019-11-28 15:44:22,953 INFO L78 Accepts]: Start accepts. Automaton has 1918 states and 2093 transitions. Word has length 205 [2019-11-28 15:44:22,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:22,953 INFO L462 AbstractCegarLoop]: Abstraction has 1918 states and 2093 transitions. [2019-11-28 15:44:22,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:22,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2093 transitions. [2019-11-28 15:44:22,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-11-28 15:44:22,959 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:22,959 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:22,960 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:22,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:22,960 INFO L82 PathProgramCache]: Analyzing trace with hash 233226314, now seen corresponding path program 1 times [2019-11-28 15:44:22,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:22,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663220235] [2019-11-28 15:44:22,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:23,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663220235] [2019-11-28 15:44:23,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:23,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:23,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362546225] [2019-11-28 15:44:23,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:23,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:23,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:23,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:23,067 INFO L87 Difference]: Start difference. First operand 1918 states and 2093 transitions. Second operand 3 states. [2019-11-28 15:44:23,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:23,471 INFO L93 Difference]: Finished difference Result 3832 states and 4182 transitions. [2019-11-28 15:44:23,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:23,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2019-11-28 15:44:23,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:23,480 INFO L225 Difference]: With dead ends: 3832 [2019-11-28 15:44:23,480 INFO L226 Difference]: Without dead ends: 1916 [2019-11-28 15:44:23,483 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 15:44:23,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2019-11-28 15:44:23,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1775. [2019-11-28 15:44:23,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2019-11-28 15:44:23,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 1906 transitions. [2019-11-28 15:44:23,515 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 1906 transitions. Word has length 218 [2019-11-28 15:44:23,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:23,516 INFO L462 AbstractCegarLoop]: Abstraction has 1775 states and 1906 transitions. [2019-11-28 15:44:23,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:23,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 1906 transitions. [2019-11-28 15:44:23,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-11-28 15:44:23,521 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:23,521 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:23,521 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:23,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:23,522 INFO L82 PathProgramCache]: Analyzing trace with hash -960693472, now seen corresponding path program 1 times [2019-11-28 15:44:23,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:23,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63667266] [2019-11-28 15:44:23,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-28 15:44:23,779 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63667266] [2019-11-28 15:44:23,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:23,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:44:23,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820783578] [2019-11-28 15:44:23,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:23,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:23,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:23,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:23,787 INFO L87 Difference]: Start difference. First operand 1775 states and 1906 transitions. Second operand 4 states. [2019-11-28 15:44:24,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:24,269 INFO L93 Difference]: Finished difference Result 3402 states and 3656 transitions. [2019-11-28 15:44:24,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:24,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 227 [2019-11-28 15:44:24,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:24,271 INFO L225 Difference]: With dead ends: 3402 [2019-11-28 15:44:24,271 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 15:44:24,275 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:24,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 15:44:24,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 15:44:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 15:44:24,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 15:44:24,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2019-11-28 15:44:24,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:24,277 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 15:44:24,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:24,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 15:44:24,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:44:24,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 15:44:24,540 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-11-28 15:44:24,760 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-11-28 15:44:24,765 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,765 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,765 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,765 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-28 15:44:24,766 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-28 15:44:24,766 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-28 15:44:24,766 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-28 15:44:24,766 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-28 15:44:24,766 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-28 15:44:24,767 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-28 15:44:24,767 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,767 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,767 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,767 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-28 15:44:24,767 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-28 15:44:24,768 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-28 15:44:24,768 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-28 15:44:24,768 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:44:24,768 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:44:24,768 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-28 15:44:24,768 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,768 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,768 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,768 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-28 15:44:24,769 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-28 15:44:24,769 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-28 15:44:24,769 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-28 15:44:24,769 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-28 15:44:24,769 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,769 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,769 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,769 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-28 15:44:24,770 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-28 15:44:24,770 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-28 15:44:24,770 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-28 15:44:24,770 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-28 15:44:24,770 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-28 15:44:24,770 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-28 15:44:24,770 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-28 15:44:24,770 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,771 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,771 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,771 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-28 15:44:24,771 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-28 15:44:24,771 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-28 15:44:24,771 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-28 15:44:24,771 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-28 15:44:24,771 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-28 15:44:24,771 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-28 15:44:24,772 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-28 15:44:24,772 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,772 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,772 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,772 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:44:24,772 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:44:24,772 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:44:24,772 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:44:24,772 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-28 15:44:24,773 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-28 15:44:24,773 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-28 15:44:24,773 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-28 15:44:24,773 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-28 15:44:24,773 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,773 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,773 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,773 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-28 15:44:24,773 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-28 15:44:24,774 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-28 15:44:24,774 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-28 15:44:24,774 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-28 15:44:24,774 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-28 15:44:24,774 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,774 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,774 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,774 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-28 15:44:24,775 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-28 15:44:24,775 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-28 15:44:24,775 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-28 15:44:24,775 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-28 15:44:24,775 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:44:24,775 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-28 15:44:24,775 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-28 15:44:24,775 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-28 15:44:24,775 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,776 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,776 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,776 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-28 15:44:24,776 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-28 15:44:24,776 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-28 15:44:24,776 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-28 15:44:24,776 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-28 15:44:24,776 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,776 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,777 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,777 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-28 15:44:24,777 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-28 15:44:24,777 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-28 15:44:24,777 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-28 15:44:24,777 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-28 15:44:24,777 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-28 15:44:24,777 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:44:24,777 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:44:24,778 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-28 15:44:24,778 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-28 15:44:24,778 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:44:24,778 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 559) no Hoare annotation was computed. [2019-11-28 15:44:24,778 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-28 15:44:24,778 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,778 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,778 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-28 15:44:24,778 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-28 15:44:24,779 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-28 15:44:24,779 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-28 15:44:24,779 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-28 15:44:24,779 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-28 15:44:24,779 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:44:24,779 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:44:24,779 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-28 15:44:24,780 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1)) (.cse6 (= ~a25~0 1))) (let ((.cse1 (<= ~a19~0 0)) (.cse4 (not .cse6)) (.cse3 (= ~a19~0 1)) (.cse5 (not .cse0)) (.cse2 (not (= ~a28~0 11)))) (or (and (= ~a28~0 7) .cse0) (and .cse1 .cse2) (and (= ~a17~0 8) .cse3 (= ~a21~0 1) .cse2) (and .cse1 .cse4 .cse5) (and (<= 11 ~a28~0) .cse3 .cse6) (and (<= 10 ~a28~0) .cse3 .cse0) (and (= ~a28~0 10) .cse4 .cse0) (and .cse3 .cse5 (not (= ~a28~0 9)) .cse2)))) [2019-11-28 15:44:24,780 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,780 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,780 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-28 15:44:24,780 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-28 15:44:24,780 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-28 15:44:24,780 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-28 15:44:24,781 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:44:24,781 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:44:24,781 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-28 15:44:24,781 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,781 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,781 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-28 15:44:24,781 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-28 15:44:24,781 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-28 15:44:24,781 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-28 15:44:24,782 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-28 15:44:24,782 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-28 15:44:24,782 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:44:24,782 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:44:24,782 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-28 15:44:24,782 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,782 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,782 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:44:24,782 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:44:24,782 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-28 15:44:24,783 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-28 15:44:24,783 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-28 15:44:24,783 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-28 15:44:24,783 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1)) (.cse6 (= ~a25~0 1))) (let ((.cse1 (<= ~a19~0 0)) (.cse4 (not .cse6)) (.cse3 (= ~a19~0 1)) (.cse5 (not .cse0)) (.cse2 (not (= ~a28~0 11)))) (or (and (= ~a28~0 7) .cse0) (and .cse1 .cse2) (and (= ~a17~0 8) .cse3 (= ~a21~0 1) .cse2) (and .cse1 .cse4 .cse5) (and (<= 11 ~a28~0) .cse3 .cse6) (and (<= 10 ~a28~0) .cse3 .cse0) (and (= ~a28~0 10) .cse4 .cse0) (and .cse3 .cse5 (not (= ~a28~0 9)) .cse2)))) [2019-11-28 15:44:24,783 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,783 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,783 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-28 15:44:24,784 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-28 15:44:24,784 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-28 15:44:24,784 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-28 15:44:24,784 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-28 15:44:24,784 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,784 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,784 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-28 15:44:24,784 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-28 15:44:24,784 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-28 15:44:24,785 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-28 15:44:24,785 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-28 15:44:24,785 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-28 15:44:24,785 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-28 15:44:24,785 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:44:24,785 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:44:24,785 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,785 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,785 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-28 15:44:24,786 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,786 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-28 15:44:24,786 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-28 15:44:24,786 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-28 15:44:24,786 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-28 15:44:24,786 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-28 15:44:24,786 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:44:24,786 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-28 15:44:24,786 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,787 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,787 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,787 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-28 15:44:24,787 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-28 15:44:24,787 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-28 15:44:24,787 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-28 15:44:24,787 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-28 15:44:24,787 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,787 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,787 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,788 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-28 15:44:24,788 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-28 15:44:24,788 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-28 15:44:24,788 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-28 15:44:24,788 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-28 15:44:24,788 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-28 15:44:24,788 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,788 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,788 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,788 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-28 15:44:24,789 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-28 15:44:24,789 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-28 15:44:24,789 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-28 15:44:24,789 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-28 15:44:24,789 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-28 15:44:24,789 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:44:24,789 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-28 15:44:24,789 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-28 15:44:24,789 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,790 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,790 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,790 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-28 15:44:24,790 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-28 15:44:24,790 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-28 15:44:24,790 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-28 15:44:24,790 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-28 15:44:24,790 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,790 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,790 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,791 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-28 15:44:24,791 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-28 15:44:24,791 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-28 15:44:24,791 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-28 15:44:24,791 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-28 15:44:24,791 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-28 15:44:24,791 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:44:24,791 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-28 15:44:24,791 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:44:24,792 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-28 15:44:24,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:44:24 BoogieIcfgContainer [2019-11-28 15:44:24,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:44:24,817 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:44:24,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:44:24,817 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:44:24,818 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:14" (3/4) ... [2019-11-28 15:44:24,822 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:44:24,855 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:44:24,857 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 15:44:25,051 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:44:25,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:44:25,053 INFO L168 Benchmark]: Toolchain (without parser) took 12776.91 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 431.0 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 256.1 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:25,053 INFO L168 Benchmark]: CDTParser took 0.85 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 15:44:25,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:25,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.64 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:25,055 INFO L168 Benchmark]: Boogie Preprocessor took 61.24 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:25,057 INFO L168 Benchmark]: RCFGBuilder took 1478.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.4 MB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:25,057 INFO L168 Benchmark]: TraceAbstraction took 10134.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 286.8 MB). Free memory was 995.4 MB in the beginning and 1.2 GB in the end (delta: -163.5 MB). Peak memory consumption was 123.3 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:25,058 INFO L168 Benchmark]: Witness Printer took 234.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:25,060 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 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 767.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.64 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.24 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1478.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.4 MB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10134.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 286.8 MB). Free memory was 995.4 MB in the beginning and 1.2 GB in the end (delta: -163.5 MB). Peak memory consumption was 123.3 MB. Max. memory is 11.5 GB. * Witness Printer took 234.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 559]: 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: (((((((a28 == 7 && a11 == 1) || (a19 <= 0 && !(a28 == 11))) || (((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11))) || ((a19 <= 0 && !(a25 == 1)) && !(a11 == 1))) || ((11 <= a28 && a19 == 1) && a25 == 1)) || ((10 <= a28 && a19 == 1) && a11 == 1)) || ((a28 == 10 && !(a25 == 1)) && a11 == 1)) || (((a19 == 1 && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((a28 == 7 && a11 == 1) || (a19 <= 0 && !(a28 == 11))) || (((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11))) || ((a19 <= 0 && !(a25 == 1)) && !(a11 == 1))) || ((11 <= a28 && a19 == 1) && a25 == 1)) || ((10 <= a28 && a19 == 1) && a11 == 1)) || ((a28 == 10 && !(a25 == 1)) && a11 == 1)) || (((a19 == 1 && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 9.5s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1184 SDtfs, 2155 SDslu, 216 SDs, 0 SdLazy, 4592 SolverSat, 899 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1922occurred in iteration=6, 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, 9 MinimizatonAttempts, 995 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 46 NumberOfFragments, 179 HoareAnnotationTreeSize, 3 FomulaSimplifications, 802 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 184 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1572 NumberOfCodeBlocks, 1572 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1563 ConstructedInterpolants, 0 QuantifiedInterpolants, 859256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 574/574 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...