./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label04.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/Problem01_label04.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 3774d82389353be2170e26cc4e53c0d06e3cb94d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:42:46,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:42:46,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:42:46,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:42:46,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:42:46,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:42:46,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:42:46,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:42:46,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:42:46,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:42:46,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:42:46,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:42:47,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:42:47,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:42:47,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:42:47,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:42:47,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:42:47,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:42:47,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:42:47,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:42:47,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:42:47,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:42:47,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:42:47,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:42:47,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:42:47,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:42:47,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:42:47,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:42:47,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:42:47,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:42:47,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:42:47,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:42:47,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:42:47,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:42:47,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:42:47,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:42:47,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:42:47,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:42:47,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:42:47,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:42:47,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:42:47,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:42:47,077 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:42:47,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:42:47,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:42:47,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:42:47,083 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:42:47,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:42:47,083 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:42:47,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:42:47,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:42:47,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:42:47,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:42:47,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:42:47,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:42:47,085 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:42:47,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:42:47,086 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:42:47,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:42:47,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:42:47,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:42:47,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:42:47,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:42:47,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:42:47,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:42:47,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:42:47,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:42:47,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:42:47,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:42:47,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:42:47,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:42:47,090 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 -> 3774d82389353be2170e26cc4e53c0d06e3cb94d [2019-11-28 15:42:47,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:42:47,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:42:47,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:42:47,411 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:42:47,411 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:42:47,412 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2019-11-28 15:42:47,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2b7a684c/169a2f9a081a4a1a95d8bac8885ed817/FLAG25c2405f8 [2019-11-28 15:42:48,040 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:42:48,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2019-11-28 15:42:48,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2b7a684c/169a2f9a081a4a1a95d8bac8885ed817/FLAG25c2405f8 [2019-11-28 15:42:48,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2b7a684c/169a2f9a081a4a1a95d8bac8885ed817 [2019-11-28 15:42:48,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:42:48,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:42:48,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:42:48,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:42:48,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:42:48,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:42:48" (1/1) ... [2019-11-28 15:42:48,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3463e911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:48, skipping insertion in model container [2019-11-28 15:42:48,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:42:48" (1/1) ... [2019-11-28 15:42:48,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:42:48,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:42:48,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:42:48,989 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:42:49,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:42:49,134 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:42:49,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:49 WrapperNode [2019-11-28 15:42:49,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:42:49,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:42:49,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:42:49,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:42:49,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:49" (1/1) ... [2019-11-28 15:42:49,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:49" (1/1) ... [2019-11-28 15:42:49,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:42:49,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:42:49,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:42:49,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:42:49,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:49" (1/1) ... [2019-11-28 15:42:49,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:49" (1/1) ... [2019-11-28 15:42:49,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:49" (1/1) ... [2019-11-28 15:42:49,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:49" (1/1) ... [2019-11-28 15:42:49,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:49" (1/1) ... [2019-11-28 15:42:49,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:49" (1/1) ... [2019-11-28 15:42:49,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:49" (1/1) ... [2019-11-28 15:42:49,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:42:49,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:42:49,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:42:49,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:42:49,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:49" (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 15:42:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:42:49,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:42:50,725 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:42:50,726 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:42:50,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:42:50 BoogieIcfgContainer [2019-11-28 15:42:50,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:42:50,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:42:50,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:42:50,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:42:50,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:42:48" (1/3) ... [2019-11-28 15:42:50,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c5c4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:42:50, skipping insertion in model container [2019-11-28 15:42:50,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:49" (2/3) ... [2019-11-28 15:42:50,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c5c4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:42:50, skipping insertion in model container [2019-11-28 15:42:50,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:42:50" (3/3) ... [2019-11-28 15:42:50,738 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label04.c [2019-11-28 15:42:50,749 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:42:50,760 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:42:50,775 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:42:50,815 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:42:50,815 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:42:50,816 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:42:50,816 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:42:50,816 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:42:50,817 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:42:50,818 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:42:50,818 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:42:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-11-28 15:42:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-28 15:42:50,863 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:42:50,864 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] [2019-11-28 15:42:50,865 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:42:50,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:42:50,873 INFO L82 PathProgramCache]: Analyzing trace with hash 857742575, now seen corresponding path program 1 times [2019-11-28 15:42:50,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:42:50,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082819011] [2019-11-28 15:42:50,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:42:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:42:51,499 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 15:42:51,500 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082819011] [2019-11-28 15:42:51,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:42:51,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:42:51,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988482133] [2019-11-28 15:42:51,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:42:51,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:42:51,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:42:51,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:42:51,528 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-11-28 15:42:52,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:42:52,925 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-11-28 15:42:52,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:42:52,927 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2019-11-28 15:42:52,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:42:52,946 INFO L225 Difference]: With dead ends: 662 [2019-11-28 15:42:52,947 INFO L226 Difference]: Without dead ends: 397 [2019-11-28 15:42:52,952 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 15:42:52,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-11-28 15:42:53,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2019-11-28 15:42:53,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-11-28 15:42:53,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 559 transitions. [2019-11-28 15:42:53,037 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 559 transitions. Word has length 96 [2019-11-28 15:42:53,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:42:53,040 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 559 transitions. [2019-11-28 15:42:53,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:42:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 559 transitions. [2019-11-28 15:42:53,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-28 15:42:53,053 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:42:53,053 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:42:53,054 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:42:53,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:42:53,054 INFO L82 PathProgramCache]: Analyzing trace with hash 2104593095, now seen corresponding path program 1 times [2019-11-28 15:42:53,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:42:53,055 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058070247] [2019-11-28 15:42:53,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:42:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:42:53,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:42:53,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058070247] [2019-11-28 15:42:53,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:42:53,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:42:53,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568443996] [2019-11-28 15:42:53,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:42:53,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:42:53,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:42:53,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:42:53,148 INFO L87 Difference]: Start difference. First operand 397 states and 559 transitions. Second operand 4 states. [2019-11-28 15:42:53,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:42:53,809 INFO L93 Difference]: Finished difference Result 1185 states and 1672 transitions. [2019-11-28 15:42:53,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:42:53,810 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2019-11-28 15:42:53,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:42:53,815 INFO L225 Difference]: With dead ends: 1185 [2019-11-28 15:42:53,816 INFO L226 Difference]: Without dead ends: 790 [2019-11-28 15:42:53,818 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 15:42:53,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-11-28 15:42:53,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-11-28 15:42:53,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-11-28 15:42:53,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1066 transitions. [2019-11-28 15:42:53,873 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1066 transitions. Word has length 101 [2019-11-28 15:42:53,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:42:53,874 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1066 transitions. [2019-11-28 15:42:53,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:42:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1066 transitions. [2019-11-28 15:42:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-28 15:42:53,884 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:42:53,886 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-11-28 15:42:53,886 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:42:53,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:42:53,887 INFO L82 PathProgramCache]: Analyzing trace with hash -2133421455, now seen corresponding path program 1 times [2019-11-28 15:42:53,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:42:53,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174686348] [2019-11-28 15:42:53,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:42:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:42:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 15:42:54,013 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174686348] [2019-11-28 15:42:54,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:42:54,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:42:54,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353943900] [2019-11-28 15:42:54,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:42:54,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:42:54,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:42:54,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:42:54,018 INFO L87 Difference]: Start difference. First operand 790 states and 1066 transitions. Second operand 3 states. [2019-11-28 15:42:54,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:42:54,559 INFO L93 Difference]: Finished difference Result 1971 states and 2686 transitions. [2019-11-28 15:42:54,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:42:54,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-11-28 15:42:54,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:42:54,567 INFO L225 Difference]: With dead ends: 1971 [2019-11-28 15:42:54,567 INFO L226 Difference]: Without dead ends: 1183 [2019-11-28 15:42:54,569 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 15:42:54,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2019-11-28 15:42:54,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 921. [2019-11-28 15:42:54,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2019-11-28 15:42:54,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1246 transitions. [2019-11-28 15:42:54,598 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1246 transitions. Word has length 122 [2019-11-28 15:42:54,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:42:54,598 INFO L462 AbstractCegarLoop]: Abstraction has 921 states and 1246 transitions. [2019-11-28 15:42:54,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:42:54,599 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1246 transitions. [2019-11-28 15:42:54,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-28 15:42:54,602 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:42:54,602 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2019-11-28 15:42:54,602 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:42:54,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:42:54,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1539851884, now seen corresponding path program 1 times [2019-11-28 15:42:54,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:42:54,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867867123] [2019-11-28 15:42:54,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:42:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:42:54,690 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-11-28 15:42:54,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867867123] [2019-11-28 15:42:54,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:42:54,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:42:54,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980671370] [2019-11-28 15:42:54,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:42:54,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:42:54,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:42:54,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:42:54,694 INFO L87 Difference]: Start difference. First operand 921 states and 1246 transitions. Second operand 3 states. [2019-11-28 15:42:55,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:42:55,361 INFO L93 Difference]: Finished difference Result 2233 states and 2997 transitions. [2019-11-28 15:42:55,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:42:55,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-11-28 15:42:55,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:42:55,370 INFO L225 Difference]: With dead ends: 2233 [2019-11-28 15:42:55,370 INFO L226 Difference]: Without dead ends: 1314 [2019-11-28 15:42:55,372 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 15:42:55,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2019-11-28 15:42:55,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2019-11-28 15:42:55,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2019-11-28 15:42:55,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1508 transitions. [2019-11-28 15:42:55,406 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1508 transitions. Word has length 158 [2019-11-28 15:42:55,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:42:55,406 INFO L462 AbstractCegarLoop]: Abstraction has 1183 states and 1508 transitions. [2019-11-28 15:42:55,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:42:55,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1508 transitions. [2019-11-28 15:42:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-28 15:42:55,410 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:42:55,410 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:42:55,410 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:42:55,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:42:55,411 INFO L82 PathProgramCache]: Analyzing trace with hash 2022693764, now seen corresponding path program 1 times [2019-11-28 15:42:55,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:42:55,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658327349] [2019-11-28 15:42:55,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:42:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:42:55,491 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-11-28 15:42:55,492 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658327349] [2019-11-28 15:42:55,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:42:55,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:42:55,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923535930] [2019-11-28 15:42:55,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:42:55,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:42:55,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:42:55,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:42:55,495 INFO L87 Difference]: Start difference. First operand 1183 states and 1508 transitions. Second operand 3 states. [2019-11-28 15:42:56,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:42:56,123 INFO L93 Difference]: Finished difference Result 3150 states and 4004 transitions. [2019-11-28 15:42:56,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:42:56,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-11-28 15:42:56,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:42:56,133 INFO L225 Difference]: With dead ends: 3150 [2019-11-28 15:42:56,134 INFO L226 Difference]: Without dead ends: 1969 [2019-11-28 15:42:56,136 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 15:42:56,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2019-11-28 15:42:56,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1576. [2019-11-28 15:42:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-11-28 15:42:56,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1990 transitions. [2019-11-28 15:42:56,181 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1990 transitions. Word has length 177 [2019-11-28 15:42:56,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:42:56,182 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1990 transitions. [2019-11-28 15:42:56,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:42:56,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1990 transitions. [2019-11-28 15:42:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-11-28 15:42:56,188 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:42:56,188 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:42:56,188 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:42:56,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:42:56,189 INFO L82 PathProgramCache]: Analyzing trace with hash -442422933, now seen corresponding path program 1 times [2019-11-28 15:42:56,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:42:56,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762410696] [2019-11-28 15:42:56,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:42:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:42:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-11-28 15:42:56,277 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762410696] [2019-11-28 15:42:56,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:42:56,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:42:56,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18156237] [2019-11-28 15:42:56,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:42:56,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:42:56,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:42:56,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:42:56,279 INFO L87 Difference]: Start difference. First operand 1576 states and 1990 transitions. Second operand 3 states. [2019-11-28 15:42:56,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:42:56,736 INFO L93 Difference]: Finished difference Result 3412 states and 4294 transitions. [2019-11-28 15:42:56,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:42:56,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2019-11-28 15:42:56,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:42:56,747 INFO L225 Difference]: With dead ends: 3412 [2019-11-28 15:42:56,747 INFO L226 Difference]: Without dead ends: 1838 [2019-11-28 15:42:56,750 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 15:42:56,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-11-28 15:42:56,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2019-11-28 15:42:56,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-28 15:42:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2270 transitions. [2019-11-28 15:42:56,794 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2270 transitions. Word has length 180 [2019-11-28 15:42:56,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:42:56,795 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2270 transitions. [2019-11-28 15:42:56,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:42:56,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2270 transitions. [2019-11-28 15:42:56,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-28 15:42:56,800 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:42:56,801 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:42:56,801 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:42:56,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:42:56,802 INFO L82 PathProgramCache]: Analyzing trace with hash 570545059, now seen corresponding path program 1 times [2019-11-28 15:42:56,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:42:56,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092939185] [2019-11-28 15:42:56,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:42:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:42:57,000 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-11-28 15:42:57,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092939185] [2019-11-28 15:42:57,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:42:57,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 15:42:57,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561199863] [2019-11-28 15:42:57,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 15:42:57,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:42:57,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 15:42:57,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:42:57,011 INFO L87 Difference]: Start difference. First operand 1838 states and 2270 transitions. Second operand 8 states. [2019-11-28 15:42:58,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:42:58,220 INFO L93 Difference]: Finished difference Result 3841 states and 4711 transitions. [2019-11-28 15:42:58,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 15:42:58,221 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 184 [2019-11-28 15:42:58,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:42:58,230 INFO L225 Difference]: With dead ends: 3841 [2019-11-28 15:42:58,231 INFO L226 Difference]: Without dead ends: 2005 [2019-11-28 15:42:58,233 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:42:58,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2019-11-28 15:42:58,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 1838. [2019-11-28 15:42:58,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-28 15:42:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2258 transitions. [2019-11-28 15:42:58,278 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2258 transitions. Word has length 184 [2019-11-28 15:42:58,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:42:58,279 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2258 transitions. [2019-11-28 15:42:58,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 15:42:58,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2258 transitions. [2019-11-28 15:42:58,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-11-28 15:42:58,287 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:42:58,287 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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] [2019-11-28 15:42:58,287 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:42:58,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:42:58,288 INFO L82 PathProgramCache]: Analyzing trace with hash 540380915, now seen corresponding path program 1 times [2019-11-28 15:42:58,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:42:58,289 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032907276] [2019-11-28 15:42:58,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:42:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:42:58,540 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-28 15:42:58,541 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032907276] [2019-11-28 15:42:58,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:42:58,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:42:58,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28817501] [2019-11-28 15:42:58,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:42:58,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:42:58,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:42:58,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:42:58,545 INFO L87 Difference]: Start difference. First operand 1838 states and 2258 transitions. Second operand 4 states. [2019-11-28 15:42:59,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:42:59,502 INFO L93 Difference]: Finished difference Result 3936 states and 4836 transitions. [2019-11-28 15:42:59,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:42:59,503 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 217 [2019-11-28 15:42:59,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:42:59,513 INFO L225 Difference]: With dead ends: 3936 [2019-11-28 15:42:59,513 INFO L226 Difference]: Without dead ends: 2100 [2019-11-28 15:42:59,516 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 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 15:42:59,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2019-11-28 15:42:59,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1969. [2019-11-28 15:42:59,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2019-11-28 15:42:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2323 transitions. [2019-11-28 15:42:59,559 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2323 transitions. Word has length 217 [2019-11-28 15:42:59,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:42:59,560 INFO L462 AbstractCegarLoop]: Abstraction has 1969 states and 2323 transitions. [2019-11-28 15:42:59,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:42:59,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2323 transitions. [2019-11-28 15:42:59,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-28 15:42:59,566 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:42:59,566 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-28 15:42:59,567 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:42:59,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:42:59,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1041196455, now seen corresponding path program 1 times [2019-11-28 15:42:59,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:42:59,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630206121] [2019-11-28 15:42:59,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:42:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:42:59,740 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-28 15:42:59,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630206121] [2019-11-28 15:42:59,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:42:59,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:42:59,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266390803] [2019-11-28 15:42:59,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:42:59,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:42:59,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:42:59,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:42:59,743 INFO L87 Difference]: Start difference. First operand 1969 states and 2323 transitions. Second operand 4 states. [2019-11-28 15:43:00,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:00,511 INFO L93 Difference]: Finished difference Result 4460 states and 5222 transitions. [2019-11-28 15:43:00,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:43:00,512 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 243 [2019-11-28 15:43:00,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:00,527 INFO L225 Difference]: With dead ends: 4460 [2019-11-28 15:43:00,527 INFO L226 Difference]: Without dead ends: 2493 [2019-11-28 15:43:00,532 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 15:43:00,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2019-11-28 15:43:00,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 1969. [2019-11-28 15:43:00,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2019-11-28 15:43:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2311 transitions. [2019-11-28 15:43:00,592 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2311 transitions. Word has length 243 [2019-11-28 15:43:00,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:00,593 INFO L462 AbstractCegarLoop]: Abstraction has 1969 states and 2311 transitions. [2019-11-28 15:43:00,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:43:00,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2311 transitions. [2019-11-28 15:43:00,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-11-28 15:43:00,605 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:00,606 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2019-11-28 15:43:00,606 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:00,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:00,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1832313326, now seen corresponding path program 1 times [2019-11-28 15:43:00,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:00,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618957558] [2019-11-28 15:43:00,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2019-11-28 15:43:00,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618957558] [2019-11-28 15:43:00,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:00,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 15:43:00,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064346777] [2019-11-28 15:43:00,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 15:43:00,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:00,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 15:43:00,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 15:43:00,903 INFO L87 Difference]: Start difference. First operand 1969 states and 2311 transitions. Second operand 6 states. [2019-11-28 15:43:02,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:02,064 INFO L93 Difference]: Finished difference Result 4105 states and 4795 transitions. [2019-11-28 15:43:02,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 15:43:02,064 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 264 [2019-11-28 15:43:02,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:02,077 INFO L225 Difference]: With dead ends: 4105 [2019-11-28 15:43:02,077 INFO L226 Difference]: Without dead ends: 2138 [2019-11-28 15:43:02,081 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 15:43:02,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2019-11-28 15:43:02,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 1838. [2019-11-28 15:43:02,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-28 15:43:02,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2102 transitions. [2019-11-28 15:43:02,136 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2102 transitions. Word has length 264 [2019-11-28 15:43:02,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:02,137 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2102 transitions. [2019-11-28 15:43:02,137 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 15:43:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2102 transitions. [2019-11-28 15:43:02,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-11-28 15:43:02,149 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:02,150 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-11-28 15:43:02,150 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:02,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:02,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1089791849, now seen corresponding path program 1 times [2019-11-28 15:43:02,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:02,152 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385298607] [2019-11-28 15:43:02,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:03,046 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-11-28 15:43:04,113 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 351 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-11-28 15:43:04,114 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385298607] [2019-11-28 15:43:04,114 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455443451] [2019-11-28 15:43:04,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:43:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:04,345 INFO L264 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 15:43:04,384 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:43:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-11-28 15:43:04,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 15:43:04,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 14 [2019-11-28 15:43:04,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375827283] [2019-11-28 15:43:04,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:43:04,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:04,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:43:04,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2019-11-28 15:43:04,607 INFO L87 Difference]: Start difference. First operand 1838 states and 2102 transitions. Second operand 3 states. [2019-11-28 15:43:05,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:05,314 INFO L93 Difference]: Finished difference Result 3672 states and 4201 transitions. [2019-11-28 15:43:05,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:43:05,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2019-11-28 15:43:05,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:05,317 INFO L225 Difference]: With dead ends: 3672 [2019-11-28 15:43:05,317 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 15:43:05,323 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 290 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2019-11-28 15:43:05,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 15:43:05,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 15:43:05,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 15:43:05,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 15:43:05,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 286 [2019-11-28 15:43:05,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:05,326 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 15:43:05,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:43:05,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 15:43:05,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:43:05,541 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:43:05,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 15:43:05,762 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 76 [2019-11-28 15:43:05,927 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2019-11-28 15:43:06,261 WARN L192 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2019-11-28 15:43:06,612 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2019-11-28 15:43:06,616 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-28 15:43:06,616 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-28 15:43:06,617 INFO L246 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,617 INFO L246 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,617 INFO L246 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,617 INFO L246 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,617 INFO L246 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,617 INFO L246 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,617 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-28 15:43:06,617 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-28 15:43:06,618 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-28 15:43:06,618 INFO L246 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-28 15:43:06,618 INFO L246 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-28 15:43:06,618 INFO L246 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-28 15:43:06,618 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-28 15:43:06,618 INFO L246 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-28 15:43:06,618 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-28 15:43:06,618 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-28 15:43:06,618 INFO L246 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,618 INFO L246 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,619 INFO L246 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,621 INFO L246 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,621 INFO L246 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,622 INFO L246 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,624 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-28 15:43:06,624 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-28 15:43:06,624 INFO L246 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-28 15:43:06,624 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-28 15:43:06,625 INFO L246 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-28 15:43:06,625 INFO L246 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-28 15:43:06,625 INFO L246 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-28 15:43:06,625 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-28 15:43:06,625 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-28 15:43:06,625 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-28 15:43:06,626 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-28 15:43:06,626 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-28 15:43:06,626 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-28 15:43:06,626 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-28 15:43:06,626 INFO L246 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-28 15:43:06,627 INFO L246 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,627 INFO L246 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,627 INFO L246 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,627 INFO L246 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,627 INFO L246 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,627 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-28 15:43:06,628 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-28 15:43:06,628 INFO L246 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-28 15:43:06,628 INFO L246 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-28 15:43:06,628 INFO L246 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-28 15:43:06,628 INFO L246 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-28 15:43:06,628 INFO L246 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-28 15:43:06,629 INFO L246 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-28 15:43:06,629 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-28 15:43:06,631 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse3 (= ~a16~0 6)) (.cse4 (not (= 1 ~a7~0))) (.cse2 (= ~a16~0 4)) (.cse0 (= ~a21~0 1)) (.cse1 (<= ~a21~0 0)) (.cse5 (= ~a17~0 1))) (or (and .cse0 (= ~a16~0 5)) (and .cse1 .cse2 (<= ~a17~0 0)) (and .cse1 .cse3) (and .cse4 .cse0 (= 15 ~a8~0) .cse3) (and (not .cse3) .cse4 .cse5 .cse0) (and .cse2 .cse0 (not .cse5)) (and .cse5 .cse0 (= ~a20~0 1)) (and .cse1 .cse5))) [2019-11-28 15:43:06,631 INFO L246 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,632 INFO L246 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,632 INFO L246 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,632 INFO L246 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,632 INFO L246 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,634 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-28 15:43:06,634 INFO L246 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-28 15:43:06,635 INFO L246 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-28 15:43:06,635 INFO L246 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-28 15:43:06,635 INFO L246 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-28 15:43:06,635 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-28 15:43:06,635 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-28 15:43:06,636 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-28 15:43:06,636 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-28 15:43:06,636 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-28 15:43:06,636 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-28 15:43:06,637 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-28 15:43:06,637 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-28 15:43:06,637 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-11-28 15:43:06,637 INFO L246 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,638 INFO L246 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,638 INFO L246 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,638 INFO L246 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,638 INFO L246 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,639 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-28 15:43:06,639 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-28 15:43:06,639 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-28 15:43:06,639 INFO L246 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-28 15:43:06,639 INFO L246 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-28 15:43:06,640 INFO L246 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-28 15:43:06,640 INFO L246 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-28 15:43:06,640 INFO L246 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-28 15:43:06,640 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-28 15:43:06,641 INFO L246 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,641 INFO L246 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,641 INFO L246 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,641 INFO L246 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,642 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-28 15:43:06,642 INFO L246 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,642 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-28 15:43:06,642 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-28 15:43:06,643 INFO L246 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-28 15:43:06,643 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-28 15:43:06,643 INFO L246 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-28 15:43:06,643 INFO L246 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-28 15:43:06,644 INFO L246 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-28 15:43:06,644 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:43:06,644 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-28 15:43:06,645 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-28 15:43:06,645 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-28 15:43:06,645 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-28 15:43:06,645 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-28 15:43:06,646 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-28 15:43:06,646 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,646 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (= ~a16~0 6)) (.cse4 (not (= 1 ~a7~0))) (.cse2 (= ~a16~0 4)) (.cse0 (= ~a21~0 1)) (.cse1 (<= ~a21~0 0)) (.cse5 (= ~a17~0 1))) (or (and .cse0 (= ~a16~0 5)) (and .cse1 .cse2 (<= ~a17~0 0)) (and .cse1 .cse3) (and .cse4 .cse0 (= 15 ~a8~0) .cse3) (and (not .cse3) .cse4 .cse5 .cse0) (and .cse2 .cse0 (not .cse5)) (and .cse5 .cse0 (= ~a20~0 1)) (and .cse1 .cse5))) [2019-11-28 15:43:06,646 INFO L246 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,647 INFO L246 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,647 INFO L246 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,647 INFO L246 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,647 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-28 15:43:06,647 INFO L246 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-28 15:43:06,647 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-28 15:43:06,648 INFO L246 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-28 15:43:06,649 INFO L246 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-28 15:43:06,649 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-28 15:43:06,649 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-28 15:43:06,649 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-28 15:43:06,650 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,650 INFO L246 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,650 INFO L246 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,650 INFO L246 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,650 INFO L246 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,651 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-28 15:43:06,651 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:43:06,651 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-28 15:43:06,651 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-28 15:43:06,651 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-28 15:43:06,651 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-28 15:43:06,652 INFO L246 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-28 15:43:06,652 INFO L246 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-28 15:43:06,652 INFO L246 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-28 15:43:06,652 INFO L246 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-28 15:43:06,652 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-28 15:43:06,653 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-28 15:43:06,653 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-28 15:43:06,653 INFO L246 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,653 INFO L246 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,653 INFO L246 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,653 INFO L246 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,654 INFO L246 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-28 15:43:06,654 INFO L246 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,654 INFO L246 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,654 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-28 15:43:06,654 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-28 15:43:06,655 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:43:06,655 INFO L246 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-28 15:43:06,655 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-28 15:43:06,655 INFO L246 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-28 15:43:06,655 INFO L246 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-28 15:43:06,655 INFO L246 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-28 15:43:06,656 INFO L246 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-28 15:43:06,656 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-28 15:43:06,656 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-28 15:43:06,656 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-28 15:43:06,656 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-28 15:43:06,656 INFO L246 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,657 INFO L246 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,657 INFO L246 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,657 INFO L246 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,657 INFO L246 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,658 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-28 15:43:06,658 INFO L246 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,658 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-28 15:43:06,658 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-28 15:43:06,659 INFO L246 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-28 15:43:06,659 INFO L246 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-28 15:43:06,659 INFO L246 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-28 15:43:06,659 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-28 15:43:06,660 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-28 15:43:06,660 INFO L246 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-28 15:43:06,660 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-28 15:43:06,660 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-28 15:43:06,660 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-28 15:43:06,661 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:43:06,661 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2019-11-28 15:43:06,661 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-28 15:43:06,662 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-28 15:43:06,662 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-28 15:43:06,662 INFO L246 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,662 INFO L246 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,663 INFO L246 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,663 INFO L246 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,663 INFO L246 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,663 INFO L246 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:06,663 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-28 15:43:06,664 INFO L246 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-28 15:43:06,664 INFO L246 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-28 15:43:06,664 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-28 15:43:06,664 INFO L246 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-28 15:43:06,665 INFO L246 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-28 15:43:06,665 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-28 15:43:06,665 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-28 15:43:06,665 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-28 15:43:06,666 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-28 15:43:06,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:43:06 BoogieIcfgContainer [2019-11-28 15:43:06,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:43:06,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:43:06,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:43:06,722 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:43:06,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:42:50" (3/4) ... [2019-11-28 15:43:06,728 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:43:06,780 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:43:06,782 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 15:43:07,039 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:43:07,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:43:07,041 INFO L168 Benchmark]: Toolchain (without parser) took 18703.98 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 425.2 MB). Free memory was 957.7 MB in the beginning and 878.5 MB in the end (delta: 79.2 MB). Peak memory consumption was 504.4 MB. Max. memory is 11.5 GB. [2019-11-28 15:43:07,041 INFO L168 Benchmark]: CDTParser took 0.33 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 15:43:07,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-28 15:43:07,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.15 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 15:43:07,043 INFO L168 Benchmark]: Boogie Preprocessor took 89.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:43:07,043 INFO L168 Benchmark]: RCFGBuilder took 1369.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.6 MB in the end (delta: 111.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:43:07,044 INFO L168 Benchmark]: TraceAbstraction took 15991.99 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 281.5 MB). Free memory was 992.6 MB in the beginning and 890.3 MB in the end (delta: 102.3 MB). Peak memory consumption was 383.9 MB. Max. memory is 11.5 GB. [2019-11-28 15:43:07,044 INFO L168 Benchmark]: Witness Printer took 317.55 ms. Allocated memory is still 1.5 GB. Free memory was 890.3 MB in the beginning and 878.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-11-28 15:43:07,047 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 797.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 132.15 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 89.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1369.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.6 MB in the end (delta: 111.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15991.99 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 281.5 MB). Free memory was 992.6 MB in the beginning and 890.3 MB in the end (delta: 102.3 MB). Peak memory consumption was 383.9 MB. Max. memory is 11.5 GB. * Witness Printer took 317.55 ms. Allocated memory is still 1.5 GB. Free memory was 890.3 MB in the beginning and 878.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 464]: 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: 30]: Loop Invariant Derived loop invariant: (((((((a21 == 1 && a16 == 5) || ((a21 <= 0 && a16 == 4) && a17 <= 0)) || (a21 <= 0 && a16 == 6)) || (((!(1 == a7) && a21 == 1) && 15 == a8) && a16 == 6)) || (((!(a16 == 6) && !(1 == a7)) && a17 == 1) && a21 == 1)) || ((a16 == 4 && a21 == 1) && !(a17 == 1))) || ((a17 == 1 && a21 == 1) && a20 == 1)) || (a21 <= 0 && a17 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((a21 == 1 && a16 == 5) || ((a21 <= 0 && a16 == 4) && a17 <= 0)) || (a21 <= 0 && a16 == 6)) || (((!(1 == a7) && a21 == 1) && 15 == a8) && a16 == 6)) || (((!(a16 == 6) && !(1 == a7)) && a17 == 1) && a21 == 1)) || ((a16 == 4 && a21 == 1) && !(a17 == 1))) || ((a17 == 1 && a21 == 1) && a20 == 1)) || (a21 <= 0 && a17 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 14.7s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 951 SDtfs, 2116 SDslu, 125 SDs, 0 SdLazy, 5932 SolverSat, 913 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 343 GetRequests, 304 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1908 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 34 NumberOfFragments, 165 HoareAnnotationTreeSize, 3 FomulaSimplifications, 8382 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2388 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2314 NumberOfCodeBlocks, 2314 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2302 ConstructedInterpolants, 0 QuantifiedInterpolants, 1674077 SizeOfPredicates, 1 NumberOfNonLiveVariables, 517 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 2711/2719 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...