./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label03.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79d76b935496dc6a959c1e4984dc143bd47f9882 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:30:44,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:30:44,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:30:44,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:30:44,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:30:44,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:30:44,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:30:44,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:30:44,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:30:44,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:30:44,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:30:44,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:30:44,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:30:44,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:30:44,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:30:44,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:30:44,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:30:44,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:30:44,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:30:44,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:30:44,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:30:44,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:30:44,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:30:44,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:30:44,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:30:44,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:30:44,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:30:44,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:30:44,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:30:44,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:30:44,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:30:44,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:30:44,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:30:44,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:30:44,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:30:44,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:30:44,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:30:44,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:30:44,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:30:44,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:30:44,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:30:44,148 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:30:44,157 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:30:44,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:30:44,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:30:44,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:30:44,158 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:30:44,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:30:44,158 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:30:44,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:30:44,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:30:44,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:30:44,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:30:44,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:30:44,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:30:44,159 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:30:44,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:30:44,159 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:30:44,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:30:44,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:30:44,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:30:44,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:30:44,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:30:44,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:30:44,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:30:44,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:30:44,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:30:44,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:30:44,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:30:44,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:30:44,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:30:44,160 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d76b935496dc6a959c1e4984dc143bd47f9882 [2019-12-07 17:30:44,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:30:44,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:30:44,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:30:44,278 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:30:44,278 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:30:44,279 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label03.c [2019-12-07 17:30:44,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer/data/49e22191c/3a1cf5147b5f484a9e05bb97a7e569d7/FLAG6015a510a [2019-12-07 17:30:44,724 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:30:44,725 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/sv-benchmarks/c/eca-rers2012/Problem02_label03.c [2019-12-07 17:30:44,732 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer/data/49e22191c/3a1cf5147b5f484a9e05bb97a7e569d7/FLAG6015a510a [2019-12-07 17:30:44,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer/data/49e22191c/3a1cf5147b5f484a9e05bb97a7e569d7 [2019-12-07 17:30:44,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:30:44,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:30:44,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:30:44,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:30:44,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:30:44,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:30:44" (1/1) ... [2019-12-07 17:30:44,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c51c803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:44, skipping insertion in model container [2019-12-07 17:30:44,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:30:44" (1/1) ... [2019-12-07 17:30:44,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:30:44,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:30:45,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:30:45,020 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:30:45,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:30:45,080 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:30:45,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:45 WrapperNode [2019-12-07 17:30:45,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:30:45,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:30:45,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:30:45,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:30:45,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:45" (1/1) ... [2019-12-07 17:30:45,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:45" (1/1) ... [2019-12-07 17:30:45,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:30:45,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:30:45,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:30:45,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:30:45,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:45" (1/1) ... [2019-12-07 17:30:45,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:45" (1/1) ... [2019-12-07 17:30:45,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:45" (1/1) ... [2019-12-07 17:30:45,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:45" (1/1) ... [2019-12-07 17:30:45,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:45" (1/1) ... [2019-12-07 17:30:45,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:45" (1/1) ... [2019-12-07 17:30:45,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:45" (1/1) ... [2019-12-07 17:30:45,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:30:45,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:30:45,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:30:45,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:30:45,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer/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 [2019-12-07 17:30:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:30:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:30:45,795 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:30:45,796 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:30:45,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:30:45 BoogieIcfgContainer [2019-12-07 17:30:45,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:30:45,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:30:45,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:30:45,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:30:45,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:30:44" (1/3) ... [2019-12-07 17:30:45,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f63a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:30:45, skipping insertion in model container [2019-12-07 17:30:45,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:45" (2/3) ... [2019-12-07 17:30:45,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f63a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:30:45, skipping insertion in model container [2019-12-07 17:30:45,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:30:45" (3/3) ... [2019-12-07 17:30:45,802 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label03.c [2019-12-07 17:30:45,808 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:30:45,813 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:30:45,821 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:30:45,839 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:30:45,839 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:30:45,839 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:30:45,839 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:30:45,839 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:30:45,839 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:30:45,839 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:30:45,839 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:30:45,854 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 17:30:45,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-07 17:30:45,863 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:30:45,864 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:45,864 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:30:45,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:45,868 INFO L82 PathProgramCache]: Analyzing trace with hash -2099114005, now seen corresponding path program 1 times [2019-12-07 17:30:45,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:45,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024716827] [2019-12-07 17:30:45,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:30:46,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024716827] [2019-12-07 17:30:46,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:30:46,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:30:46,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232305651] [2019-12-07 17:30:46,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:30:46,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:30:46,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:30:46,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:30:46,160 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-12-07 17:30:46,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:30:46,917 INFO L93 Difference]: Finished difference Result 746 states and 1322 transitions. [2019-12-07 17:30:46,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:30:46,918 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2019-12-07 17:30:46,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:30:46,932 INFO L225 Difference]: With dead ends: 746 [2019-12-07 17:30:46,932 INFO L226 Difference]: Without dead ends: 452 [2019-12-07 17:30:46,935 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 [2019-12-07 17:30:46,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-12-07 17:30:46,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 449. [2019-12-07 17:30:46,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-12-07 17:30:46,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 609 transitions. [2019-12-07 17:30:46,987 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 609 transitions. Word has length 129 [2019-12-07 17:30:46,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:30:46,988 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 609 transitions. [2019-12-07 17:30:46,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:30:46,988 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 609 transitions. [2019-12-07 17:30:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-07 17:30:46,992 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:30:46,993 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:46,993 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:30:46,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:46,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1254611531, now seen corresponding path program 1 times [2019-12-07 17:30:46,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:46,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67071559] [2019-12-07 17:30:46,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:30:47,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67071559] [2019-12-07 17:30:47,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:30:47,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:30:47,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102108777] [2019-12-07 17:30:47,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:30:47,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:30:47,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:30:47,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:30:47,052 INFO L87 Difference]: Start difference. First operand 449 states and 609 transitions. Second operand 3 states. [2019-12-07 17:30:47,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:30:47,342 INFO L93 Difference]: Finished difference Result 1040 states and 1422 transitions. [2019-12-07 17:30:47,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:30:47,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-12-07 17:30:47,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:30:47,346 INFO L225 Difference]: With dead ends: 1040 [2019-12-07 17:30:47,346 INFO L226 Difference]: Without dead ends: 593 [2019-12-07 17:30:47,347 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:30:47,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-12-07 17:30:47,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 592. [2019-12-07 17:30:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2019-12-07 17:30:47,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 767 transitions. [2019-12-07 17:30:47,369 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 767 transitions. Word has length 138 [2019-12-07 17:30:47,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:30:47,369 INFO L462 AbstractCegarLoop]: Abstraction has 592 states and 767 transitions. [2019-12-07 17:30:47,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:30:47,369 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 767 transitions. [2019-12-07 17:30:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-07 17:30:47,371 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:30:47,372 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:47,372 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:30:47,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:47,372 INFO L82 PathProgramCache]: Analyzing trace with hash -393009665, now seen corresponding path program 1 times [2019-12-07 17:30:47,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:47,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511362548] [2019-12-07 17:30:47,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:30:47,433 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511362548] [2019-12-07 17:30:47,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:30:47,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:30:47,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87420342] [2019-12-07 17:30:47,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:30:47,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:30:47,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:30:47,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:30:47,434 INFO L87 Difference]: Start difference. First operand 592 states and 767 transitions. Second operand 3 states. [2019-12-07 17:30:47,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:30:47,741 INFO L93 Difference]: Finished difference Result 1324 states and 1736 transitions. [2019-12-07 17:30:47,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:30:47,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-12-07 17:30:47,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:30:47,745 INFO L225 Difference]: With dead ends: 1324 [2019-12-07 17:30:47,746 INFO L226 Difference]: Without dead ends: 734 [2019-12-07 17:30:47,747 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:30:47,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2019-12-07 17:30:47,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 733. [2019-12-07 17:30:47,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2019-12-07 17:30:47,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 918 transitions. [2019-12-07 17:30:47,763 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 918 transitions. Word has length 142 [2019-12-07 17:30:47,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:30:47,764 INFO L462 AbstractCegarLoop]: Abstraction has 733 states and 918 transitions. [2019-12-07 17:30:47,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:30:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 918 transitions. [2019-12-07 17:30:47,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-12-07 17:30:47,766 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:30:47,767 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:47,767 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:30:47,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:47,767 INFO L82 PathProgramCache]: Analyzing trace with hash -82222576, now seen corresponding path program 1 times [2019-12-07 17:30:47,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:47,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538128949] [2019-12-07 17:30:47,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-07 17:30:47,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538128949] [2019-12-07 17:30:47,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:30:47,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:30:47,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334632101] [2019-12-07 17:30:47,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:30:47,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:30:47,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:30:47,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:30:47,819 INFO L87 Difference]: Start difference. First operand 733 states and 918 transitions. Second operand 3 states. [2019-12-07 17:30:48,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:30:48,153 INFO L93 Difference]: Finished difference Result 2025 states and 2561 transitions. [2019-12-07 17:30:48,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:30:48,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-12-07 17:30:48,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:30:48,158 INFO L225 Difference]: With dead ends: 2025 [2019-12-07 17:30:48,158 INFO L226 Difference]: Without dead ends: 1294 [2019-12-07 17:30:48,160 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 [2019-12-07 17:30:48,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2019-12-07 17:30:48,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1294. [2019-12-07 17:30:48,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1294 states. [2019-12-07 17:30:48,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1584 transitions. [2019-12-07 17:30:48,179 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1584 transitions. Word has length 150 [2019-12-07 17:30:48,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:30:48,179 INFO L462 AbstractCegarLoop]: Abstraction has 1294 states and 1584 transitions. [2019-12-07 17:30:48,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:30:48,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1584 transitions. [2019-12-07 17:30:48,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-12-07 17:30:48,181 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:30:48,181 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:48,181 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:30:48,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:48,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1257335336, now seen corresponding path program 1 times [2019-12-07 17:30:48,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:48,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576946297] [2019-12-07 17:30:48,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:30:48,508 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576946297] [2019-12-07 17:30:48,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:30:48,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-12-07 17:30:48,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641909695] [2019-12-07 17:30:48,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 17:30:48,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:30:48,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 17:30:48,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-12-07 17:30:48,509 INFO L87 Difference]: Start difference. First operand 1294 states and 1584 transitions. Second operand 10 states. [2019-12-07 17:30:49,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:30:49,311 INFO L93 Difference]: Finished difference Result 3512 states and 4258 transitions. [2019-12-07 17:30:49,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 17:30:49,312 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2019-12-07 17:30:49,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:30:49,320 INFO L225 Difference]: With dead ends: 3512 [2019-12-07 17:30:49,320 INFO L226 Difference]: Without dead ends: 2220 [2019-12-07 17:30:49,321 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-12-07 17:30:49,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2019-12-07 17:30:49,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 1653. [2019-12-07 17:30:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1653 states. [2019-12-07 17:30:49,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 1966 transitions. [2019-12-07 17:30:49,347 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 1966 transitions. Word has length 159 [2019-12-07 17:30:49,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:30:49,347 INFO L462 AbstractCegarLoop]: Abstraction has 1653 states and 1966 transitions. [2019-12-07 17:30:49,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 17:30:49,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 1966 transitions. [2019-12-07 17:30:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-07 17:30:49,350 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:30:49,351 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:49,351 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:30:49,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:49,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1956209418, now seen corresponding path program 1 times [2019-12-07 17:30:49,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:49,351 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851573193] [2019-12-07 17:30:49,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-12-07 17:30:49,421 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851573193] [2019-12-07 17:30:49,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:30:49,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:30:49,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110826537] [2019-12-07 17:30:49,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:30:49,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:30:49,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:30:49,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:30:49,423 INFO L87 Difference]: Start difference. First operand 1653 states and 1966 transitions. Second operand 4 states. [2019-12-07 17:30:49,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:30:49,959 INFO L93 Difference]: Finished difference Result 4007 states and 4789 transitions. [2019-12-07 17:30:49,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:30:49,960 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 204 [2019-12-07 17:30:49,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:30:49,967 INFO L225 Difference]: With dead ends: 4007 [2019-12-07 17:30:49,967 INFO L226 Difference]: Without dead ends: 1924 [2019-12-07 17:30:49,969 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:30:49,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2019-12-07 17:30:49,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1922. [2019-12-07 17:30:49,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1922 states. [2019-12-07 17:30:49,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1922 states and 2124 transitions. [2019-12-07 17:30:49,994 INFO L78 Accepts]: Start accepts. Automaton has 1922 states and 2124 transitions. Word has length 204 [2019-12-07 17:30:49,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:30:49,994 INFO L462 AbstractCegarLoop]: Abstraction has 1922 states and 2124 transitions. [2019-12-07 17:30:49,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:30:49,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2124 transitions. [2019-12-07 17:30:49,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-12-07 17:30:49,997 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:30:49,998 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:49,998 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:30:49,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:49,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1945288329, now seen corresponding path program 1 times [2019-12-07 17:30:49,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:49,998 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131901398] [2019-12-07 17:30:49,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:50,053 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 17:30:50,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131901398] [2019-12-07 17:30:50,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:30:50,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:30:50,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874693710] [2019-12-07 17:30:50,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:30:50,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:30:50,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:30:50,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:30:50,055 INFO L87 Difference]: Start difference. First operand 1922 states and 2124 transitions. Second operand 3 states. [2019-12-07 17:30:50,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:30:50,352 INFO L93 Difference]: Finished difference Result 4821 states and 5380 transitions. [2019-12-07 17:30:50,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:30:50,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-12-07 17:30:50,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:30:50,359 INFO L225 Difference]: With dead ends: 4821 [2019-12-07 17:30:50,360 INFO L226 Difference]: Without dead ends: 2198 [2019-12-07 17:30:50,362 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:30:50,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2019-12-07 17:30:50,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 1918. [2019-12-07 17:30:50,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1918 states. [2019-12-07 17:30:50,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1918 states and 2093 transitions. [2019-12-07 17:30:50,388 INFO L78 Accepts]: Start accepts. Automaton has 1918 states and 2093 transitions. Word has length 205 [2019-12-07 17:30:50,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:30:50,388 INFO L462 AbstractCegarLoop]: Abstraction has 1918 states and 2093 transitions. [2019-12-07 17:30:50,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:30:50,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2093 transitions. [2019-12-07 17:30:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-12-07 17:30:50,391 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:30:50,392 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:50,392 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:30:50,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:50,392 INFO L82 PathProgramCache]: Analyzing trace with hash 233226314, now seen corresponding path program 1 times [2019-12-07 17:30:50,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:50,392 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092179227] [2019-12-07 17:30:50,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:50,472 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:30:50,472 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092179227] [2019-12-07 17:30:50,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:30:50,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:30:50,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709234366] [2019-12-07 17:30:50,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:30:50,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:30:50,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:30:50,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:30:50,474 INFO L87 Difference]: Start difference. First operand 1918 states and 2093 transitions. Second operand 3 states. [2019-12-07 17:30:50,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:30:50,752 INFO L93 Difference]: Finished difference Result 3832 states and 4182 transitions. [2019-12-07 17:30:50,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:30:50,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2019-12-07 17:30:50,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:30:50,759 INFO L225 Difference]: With dead ends: 3832 [2019-12-07 17:30:50,759 INFO L226 Difference]: Without dead ends: 1916 [2019-12-07 17:30:50,761 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:30:50,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2019-12-07 17:30:50,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1775. [2019-12-07 17:30:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2019-12-07 17:30:50,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 1906 transitions. [2019-12-07 17:30:50,790 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 1906 transitions. Word has length 218 [2019-12-07 17:30:50,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:30:50,790 INFO L462 AbstractCegarLoop]: Abstraction has 1775 states and 1906 transitions. [2019-12-07 17:30:50,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:30:50,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 1906 transitions. [2019-12-07 17:30:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-12-07 17:30:50,795 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:30:50,795 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:50,795 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:30:50,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:50,796 INFO L82 PathProgramCache]: Analyzing trace with hash -960693472, now seen corresponding path program 1 times [2019-12-07 17:30:50,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:50,796 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317875937] [2019-12-07 17:30:50,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-07 17:30:50,904 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317875937] [2019-12-07 17:30:50,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:30:50,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:30:50,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400608214] [2019-12-07 17:30:50,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:30:50,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:30:50,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:30:50,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:30:50,906 INFO L87 Difference]: Start difference. First operand 1775 states and 1906 transitions. Second operand 4 states. [2019-12-07 17:30:51,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:30:51,234 INFO L93 Difference]: Finished difference Result 3402 states and 3656 transitions. [2019-12-07 17:30:51,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:30:51,235 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 227 [2019-12-07 17:30:51,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:30:51,235 INFO L225 Difference]: With dead ends: 3402 [2019-12-07 17:30:51,235 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:30:51,237 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 [2019-12-07 17:30:51,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:30:51,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:30:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:30:51,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:30:51,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2019-12-07 17:30:51,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:30:51,237 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:30:51,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:30:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:30:51,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:30:51,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:30:51,407 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-12-07 17:30:51,536 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-12-07 17:30:51,538 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,538 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,538 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,538 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 17:30:51,538 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 17:30:51,538 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 17:30:51,538 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 17:30:51,538 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 17:30:51,538 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,539 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 17:30:51,540 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 17:30:51,541 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,542 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,543 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 559) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,544 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 17:30:51,545 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 17:30:51,545 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 17:30:51,545 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 17:30:51,545 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 17:30:51,545 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 17:30:51,545 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 17:30:51,545 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 17:30:51,545 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 17:30:51,545 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1)) (.cse6 (= ~a25~0 1))) (let ((.cse1 (<= ~a19~0 0)) (.cse4 (not .cse6)) (.cse3 (= ~a19~0 1)) (.cse5 (not .cse0)) (.cse2 (not (= ~a28~0 11)))) (or (and (= ~a28~0 7) .cse0) (and .cse1 .cse2) (and (= ~a17~0 8) .cse3 (= ~a21~0 1) .cse2) (and .cse1 .cse4 .cse5) (and (<= 11 ~a28~0) .cse3 .cse6) (and (<= 10 ~a28~0) .cse3 .cse0) (and (= ~a28~0 10) .cse4 .cse0) (and .cse3 .cse5 (not (= ~a28~0 9)) .cse2)))) [2019-12-07 17:30:51,545 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,545 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,545 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 17:30:51,545 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 17:30:51,545 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 17:30:51,546 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1)) (.cse6 (= ~a25~0 1))) (let ((.cse1 (<= ~a19~0 0)) (.cse4 (not .cse6)) (.cse3 (= ~a19~0 1)) (.cse5 (not .cse0)) (.cse2 (not (= ~a28~0 11)))) (or (and (= ~a28~0 7) .cse0) (and .cse1 .cse2) (and (= ~a17~0 8) .cse3 (= ~a21~0 1) .cse2) (and .cse1 .cse4 .cse5) (and (<= 11 ~a28~0) .cse3 .cse6) (and (<= 10 ~a28~0) .cse3 .cse0) (and (= ~a28~0 10) .cse4 .cse0) (and .cse3 .cse5 (not (= ~a28~0 9)) .cse2)))) [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 17:30:51,547 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:30:51,548 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,549 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,550 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:30:51,551 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 17:30:51,551 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 17:30:51,551 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 17:30:51,551 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 17:30:51,551 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 17:30:51,551 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 17:30:51,551 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 17:30:51,551 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 17:30:51,551 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 17:30:51,551 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 17:30:51,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:30:51 BoogieIcfgContainer [2019-12-07 17:30:51,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:30:51,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:30:51,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:30:51,565 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:30:51,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:30:45" (3/4) ... [2019-12-07 17:30:51,567 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:30:51,581 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 17:30:51,582 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 17:30:51,666 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cb9b9440-4af7-4d6d-b244-1daa0d70968a/bin/uautomizer/witness.graphml [2019-12-07 17:30:51,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:30:51,667 INFO L168 Benchmark]: Toolchain (without parser) took 6923.58 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 938.2 MB in the beginning and 835.9 MB in the end (delta: 102.2 MB). Peak memory consumption was 324.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:51,667 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:30:51,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:51,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:51,668 INFO L168 Benchmark]: Boogie Preprocessor took 38.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:51,668 INFO L168 Benchmark]: RCFGBuilder took 627.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 968.6 MB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:51,669 INFO L168 Benchmark]: TraceAbstraction took 5767.25 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 113.2 MB). Free memory was 963.2 MB in the beginning and 854.5 MB in the end (delta: 108.7 MB). Peak memory consumption was 221.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:51,669 INFO L168 Benchmark]: Witness Printer took 101.76 ms. Allocated memory is still 1.3 GB. Free memory was 854.5 MB in the beginning and 835.9 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:51,670 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 627.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 968.6 MB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5767.25 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 113.2 MB). Free memory was 963.2 MB in the beginning and 854.5 MB in the end (delta: 108.7 MB). Peak memory consumption was 221.9 MB. Max. memory is 11.5 GB. * Witness Printer took 101.76 ms. Allocated memory is still 1.3 GB. Free memory was 854.5 MB in the beginning and 835.9 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 559]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((a28 == 7 && a11 == 1) || (a19 <= 0 && !(a28 == 11))) || (((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11))) || ((a19 <= 0 && !(a25 == 1)) && !(a11 == 1))) || ((11 <= a28 && a19 == 1) && a25 == 1)) || ((10 <= a28 && a19 == 1) && a11 == 1)) || ((a28 == 10 && !(a25 == 1)) && a11 == 1)) || (((a19 == 1 && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((a28 == 7 && a11 == 1) || (a19 <= 0 && !(a28 == 11))) || (((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11))) || ((a19 <= 0 && !(a25 == 1)) && !(a11 == 1))) || ((11 <= a28 && a19 == 1) && a25 == 1)) || ((10 <= a28 && a19 == 1) && a11 == 1)) || ((a28 == 10 && !(a25 == 1)) && a11 == 1)) || (((a19 == 1 && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 5.4s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1184 SDtfs, 2155 SDslu, 216 SDs, 0 SdLazy, 4592 SolverSat, 899 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1922occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 995 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 46 NumberOfFragments, 179 HoareAnnotationTreeSize, 3 FomulaSimplifications, 802 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 184 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1572 NumberOfCodeBlocks, 1572 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1563 ConstructedInterpolants, 0 QuantifiedInterpolants, 859256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 574/574 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...