./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.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_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/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 bf623cbfa27d5f25c20ae418fc6508fd949965cd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:44:50,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:44:50,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:44:50,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:44:50,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:44:50,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:44:50,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:44:50,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:44:50,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:44:50,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:44:50,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:44:50,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:44:50,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:44:50,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:44:50,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:44:50,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:44:50,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:44:50,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:44:50,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:44:50,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:44:50,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:44:50,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:44:50,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:44:50,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:44:50,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:44:50,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:44:50,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:44:50,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:44:50,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:44:50,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:44:50,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:44:50,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:44:50,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:44:50,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:44:50,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:44:50,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:44:50,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:44:50,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:44:50,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:44:50,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:44:50,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:44:50,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:44:50,050 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:44:50,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:44:50,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:44:50,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:44:50,051 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:44:50,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:44:50,052 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:44:50,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:44:50,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:44:50,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:44:50,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:44:50,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:44:50,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:44:50,053 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:44:50,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:44:50,053 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:44:50,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:44:50,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:44:50,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:44:50,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:44:50,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:44:50,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:44:50,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:44:50,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:44:50,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:44:50,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:44:50,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:44:50,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:44:50,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:44:50,056 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_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/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 -> bf623cbfa27d5f25c20ae418fc6508fd949965cd [2019-12-07 18:44:50,164 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:44:50,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:44:50,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:44:50,176 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:44:50,177 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:44:50,177 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2019-12-07 18:44:50,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/bin/uautomizer/data/d37e79e09/e885c2ff9f2e4ddaa7799699ff2434d3/FLAG11365b1ea [2019-12-07 18:44:50,645 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:44:50,646 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2019-12-07 18:44:50,654 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/bin/uautomizer/data/d37e79e09/e885c2ff9f2e4ddaa7799699ff2434d3/FLAG11365b1ea [2019-12-07 18:44:50,992 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/bin/uautomizer/data/d37e79e09/e885c2ff9f2e4ddaa7799699ff2434d3 [2019-12-07 18:44:50,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:44:50,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:44:50,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:44:50,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:44:51,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:44:51,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:44:50" (1/1) ... [2019-12-07 18:44:51,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8596b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:51, skipping insertion in model container [2019-12-07 18:44:51,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:44:50" (1/1) ... [2019-12-07 18:44:51,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:44:51,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:44:51,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:44:51,279 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:44:51,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:44:51,342 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:44:51,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:51 WrapperNode [2019-12-07 18:44:51,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:44:51,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:44:51,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:44:51,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:44:51,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:51" (1/1) ... [2019-12-07 18:44:51,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:51" (1/1) ... [2019-12-07 18:44:51,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:44:51,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:44:51,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:44:51,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:44:51,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:51" (1/1) ... [2019-12-07 18:44:51,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:51" (1/1) ... [2019-12-07 18:44:51,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:51" (1/1) ... [2019-12-07 18:44:51,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:51" (1/1) ... [2019-12-07 18:44:51,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:51" (1/1) ... [2019-12-07 18:44:51,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:51" (1/1) ... [2019-12-07 18:44:51,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:51" (1/1) ... [2019-12-07 18:44:51,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:44:51,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:44:51,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:44:51,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:44:51,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/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 18:44:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:44:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:44:52,089 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:44:52,090 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 18:44:52,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:44:52 BoogieIcfgContainer [2019-12-07 18:44:52,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:44:52,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:44:52,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:44:52,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:44:52,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:44:50" (1/3) ... [2019-12-07 18:44:52,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51eac150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:44:52, skipping insertion in model container [2019-12-07 18:44:52,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:51" (2/3) ... [2019-12-07 18:44:52,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51eac150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:44:52, skipping insertion in model container [2019-12-07 18:44:52,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:44:52" (3/3) ... [2019-12-07 18:44:52,096 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2019-12-07 18:44:52,102 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:44:52,108 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:44:52,115 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:44:52,133 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:44:52,133 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:44:52,133 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:44:52,133 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:44:52,133 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:44:52,133 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:44:52,133 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:44:52,133 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:44:52,148 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 18:44:52,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-07 18:44:52,157 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:52,157 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] [2019-12-07 18:44:52,157 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:52,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:52,161 INFO L82 PathProgramCache]: Analyzing trace with hash 906683963, now seen corresponding path program 1 times [2019-12-07 18:44:52,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:44:52,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441252687] [2019-12-07 18:44:52,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:44:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:52,424 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 18:44:52,424 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441252687] [2019-12-07 18:44:52,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:52,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:44:52,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654726378] [2019-12-07 18:44:52,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:44:52,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:44:52,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:44:52,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:44:52,441 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-12-07 18:44:53,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:53,146 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-12-07 18:44:53,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:44:53,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2019-12-07 18:44:53,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:53,158 INFO L225 Difference]: With dead ends: 739 [2019-12-07 18:44:53,159 INFO L226 Difference]: Without dead ends: 445 [2019-12-07 18:44:53,161 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:44:53,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-12-07 18:44:53,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-12-07 18:44:53,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-12-07 18:44:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-12-07 18:44:53,205 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 117 [2019-12-07 18:44:53,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:53,206 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-12-07 18:44:53,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:44:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-12-07 18:44:53,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-07 18:44:53,209 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:53,210 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:44:53,210 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:53,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:53,210 INFO L82 PathProgramCache]: Analyzing trace with hash -904416550, now seen corresponding path program 1 times [2019-12-07 18:44:53,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:44:53,210 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766134203] [2019-12-07 18:44:53,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:44:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:53,267 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766134203] [2019-12-07 18:44:53,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:53,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:44:53,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904568757] [2019-12-07 18:44:53,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:44:53,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:44:53,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:44:53,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:44:53,269 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-12-07 18:44:53,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:53,752 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-12-07 18:44:53,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:44:53,752 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2019-12-07 18:44:53,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:53,757 INFO L225 Difference]: With dead ends: 1470 [2019-12-07 18:44:53,757 INFO L226 Difference]: Without dead ends: 1027 [2019-12-07 18:44:53,758 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 18:44:53,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-12-07 18:44:53,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-12-07 18:44:53,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-12-07 18:44:53,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-12-07 18:44:53,780 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 135 [2019-12-07 18:44:53,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:53,781 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-12-07 18:44:53,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:44:53,781 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-12-07 18:44:53,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-07 18:44:53,783 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:53,783 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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 18:44:53,784 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:53,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:53,784 INFO L82 PathProgramCache]: Analyzing trace with hash 793603343, now seen corresponding path program 1 times [2019-12-07 18:44:53,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:44:53,784 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203223613] [2019-12-07 18:44:53,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:44:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:53,851 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203223613] [2019-12-07 18:44:53,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:53,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:44:53,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939107978] [2019-12-07 18:44:53,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:44:53,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:44:53,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:44:53,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:44:53,852 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-12-07 18:44:54,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:54,372 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-12-07 18:44:54,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:44:54,372 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2019-12-07 18:44:54,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:54,379 INFO L225 Difference]: With dead ends: 2582 [2019-12-07 18:44:54,379 INFO L226 Difference]: Without dead ends: 1855 [2019-12-07 18:44:54,381 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 18:44:54,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-12-07 18:44:54,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-12-07 18:44:54,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-12-07 18:44:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2142 transitions. [2019-12-07 18:44:54,409 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2142 transitions. Word has length 139 [2019-12-07 18:44:54,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:54,409 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2142 transitions. [2019-12-07 18:44:54,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:44:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2142 transitions. [2019-12-07 18:44:54,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-07 18:44:54,412 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:54,412 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:44:54,412 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:54,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:54,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1415237092, now seen corresponding path program 1 times [2019-12-07 18:44:54,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:44:54,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643350902] [2019-12-07 18:44:54,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:44:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:54,450 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:54,450 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643350902] [2019-12-07 18:44:54,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:54,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:44:54,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979920649] [2019-12-07 18:44:54,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:44:54,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:44:54,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:44:54,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:44:54,451 INFO L87 Difference]: Start difference. First operand 1570 states and 2142 transitions. Second operand 3 states. [2019-12-07 18:44:54,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:54,860 INFO L93 Difference]: Finished difference Result 3840 states and 5195 transitions. [2019-12-07 18:44:54,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:44:54,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-12-07 18:44:54,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:54,871 INFO L225 Difference]: With dead ends: 3840 [2019-12-07 18:44:54,871 INFO L226 Difference]: Without dead ends: 2272 [2019-12-07 18:44:54,873 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 18:44:54,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-12-07 18:44:54,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2132. [2019-12-07 18:44:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2019-12-07 18:44:54,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2655 transitions. [2019-12-07 18:44:54,922 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2655 transitions. Word has length 139 [2019-12-07 18:44:54,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:54,922 INFO L462 AbstractCegarLoop]: Abstraction has 2132 states and 2655 transitions. [2019-12-07 18:44:54,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:44:54,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2655 transitions. [2019-12-07 18:44:54,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-07 18:44:54,926 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:54,926 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:44:54,927 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:54,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:54,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1487828793, now seen corresponding path program 1 times [2019-12-07 18:44:54,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:44:54,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014588804] [2019-12-07 18:44:54,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:44:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:55,024 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 18:44:55,024 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014588804] [2019-12-07 18:44:55,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:55,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:44:55,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217917094] [2019-12-07 18:44:55,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:44:55,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:44:55,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:44:55,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:44:55,026 INFO L87 Difference]: Start difference. First operand 2132 states and 2655 transitions. Second operand 4 states. [2019-12-07 18:44:55,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:55,570 INFO L93 Difference]: Finished difference Result 4827 states and 6005 transitions. [2019-12-07 18:44:55,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:44:55,570 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2019-12-07 18:44:55,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:55,580 INFO L225 Difference]: With dead ends: 4827 [2019-12-07 18:44:55,580 INFO L226 Difference]: Without dead ends: 2273 [2019-12-07 18:44:55,583 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 18:44:55,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2019-12-07 18:44:55,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2270. [2019-12-07 18:44:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2270 states. [2019-12-07 18:44:55,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 2534 transitions. [2019-12-07 18:44:55,621 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 2534 transitions. Word has length 144 [2019-12-07 18:44:55,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:55,621 INFO L462 AbstractCegarLoop]: Abstraction has 2270 states and 2534 transitions. [2019-12-07 18:44:55,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:44:55,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2534 transitions. [2019-12-07 18:44:55,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-07 18:44:55,624 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:55,625 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, 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] [2019-12-07 18:44:55,625 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:55,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:55,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1645622840, now seen corresponding path program 1 times [2019-12-07 18:44:55,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:44:55,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934331982] [2019-12-07 18:44:55,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:44:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-07 18:44:55,667 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934331982] [2019-12-07 18:44:55,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:55,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:44:55,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314367555] [2019-12-07 18:44:55,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:44:55,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:44:55,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:44:55,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:44:55,669 INFO L87 Difference]: Start difference. First operand 2270 states and 2534 transitions. Second operand 3 states. [2019-12-07 18:44:55,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:55,948 INFO L93 Difference]: Finished difference Result 5376 states and 5995 transitions. [2019-12-07 18:44:55,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:44:55,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-12-07 18:44:55,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:55,958 INFO L225 Difference]: With dead ends: 5376 [2019-12-07 18:44:55,958 INFO L226 Difference]: Without dead ends: 3108 [2019-12-07 18:44:55,959 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 18:44:55,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2019-12-07 18:44:55,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 2128. [2019-12-07 18:44:55,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2128 states. [2019-12-07 18:44:55,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 2362 transitions. [2019-12-07 18:44:55,989 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 2362 transitions. Word has length 185 [2019-12-07 18:44:55,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:55,990 INFO L462 AbstractCegarLoop]: Abstraction has 2128 states and 2362 transitions. [2019-12-07 18:44:55,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:44:55,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2362 transitions. [2019-12-07 18:44:55,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-07 18:44:55,993 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:55,993 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 18:44:55,993 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:55,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:55,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1280460365, now seen corresponding path program 1 times [2019-12-07 18:44:55,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:44:55,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058060530] [2019-12-07 18:44:55,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:44:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:56,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058060530] [2019-12-07 18:44:56,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:56,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 18:44:56,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795169904] [2019-12-07 18:44:56,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 18:44:56,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:44:56,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 18:44:56,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:44:56,224 INFO L87 Difference]: Start difference. First operand 2128 states and 2362 transitions. Second operand 7 states. [2019-12-07 18:44:56,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:56,937 INFO L93 Difference]: Finished difference Result 4693 states and 5195 transitions. [2019-12-07 18:44:56,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 18:44:56,938 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 185 [2019-12-07 18:44:56,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:56,946 INFO L225 Difference]: With dead ends: 4693 [2019-12-07 18:44:56,946 INFO L226 Difference]: Without dead ends: 2286 [2019-12-07 18:44:56,948 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:44:56,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2019-12-07 18:44:56,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2127. [2019-12-07 18:44:56,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2127 states. [2019-12-07 18:44:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2354 transitions. [2019-12-07 18:44:56,976 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2354 transitions. Word has length 185 [2019-12-07 18:44:56,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:56,976 INFO L462 AbstractCegarLoop]: Abstraction has 2127 states and 2354 transitions. [2019-12-07 18:44:56,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 18:44:56,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2354 transitions. [2019-12-07 18:44:56,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-07 18:44:56,979 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:56,979 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 18:44:56,979 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:56,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:56,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1003780014, now seen corresponding path program 1 times [2019-12-07 18:44:56,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:44:56,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840763747] [2019-12-07 18:44:56,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:44:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:57,097 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840763747] [2019-12-07 18:44:57,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:57,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:44:57,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355711876] [2019-12-07 18:44:57,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:44:57,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:44:57,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:44:57,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:44:57,099 INFO L87 Difference]: Start difference. First operand 2127 states and 2354 transitions. Second operand 4 states. [2019-12-07 18:44:57,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:57,563 INFO L93 Difference]: Finished difference Result 3829 states and 4242 transitions. [2019-12-07 18:44:57,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:44:57,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 194 [2019-12-07 18:44:57,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:57,570 INFO L225 Difference]: With dead ends: 3829 [2019-12-07 18:44:57,570 INFO L226 Difference]: Without dead ends: 1564 [2019-12-07 18:44:57,572 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 18:44:57,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2019-12-07 18:44:57,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1563. [2019-12-07 18:44:57,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1563 states. [2019-12-07 18:44:57,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 1686 transitions. [2019-12-07 18:44:57,594 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 1686 transitions. Word has length 194 [2019-12-07 18:44:57,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:57,594 INFO L462 AbstractCegarLoop]: Abstraction has 1563 states and 1686 transitions. [2019-12-07 18:44:57,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:44:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1686 transitions. [2019-12-07 18:44:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-12-07 18:44:57,598 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:57,599 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] [2019-12-07 18:44:57,599 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:57,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:57,599 INFO L82 PathProgramCache]: Analyzing trace with hash 36518128, now seen corresponding path program 1 times [2019-12-07 18:44:57,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:44:57,599 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546323427] [2019-12-07 18:44:57,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:44:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:57,688 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 18:44:57,688 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546323427] [2019-12-07 18:44:57,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:57,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:44:57,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395556248] [2019-12-07 18:44:57,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:44:57,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:44:57,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:44:57,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:44:57,689 INFO L87 Difference]: Start difference. First operand 1563 states and 1686 transitions. Second operand 3 states. [2019-12-07 18:44:57,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:57,934 INFO L93 Difference]: Finished difference Result 3264 states and 3520 transitions. [2019-12-07 18:44:57,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:44:57,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2019-12-07 18:44:57,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:57,935 INFO L225 Difference]: With dead ends: 3264 [2019-12-07 18:44:57,935 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:44:57,937 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 18:44:57,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:44:57,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:44:57,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:44:57,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:44:57,937 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 215 [2019-12-07 18:44:57,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:57,937 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:44:57,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:44:57,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:44:57,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:44:57,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:44:58,095 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 31 [2019-12-07 18:44:58,197 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 31 [2019-12-07 18:44:58,199 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 18:44:58,200 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 18:44:58,201 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 18:44:58,202 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 18:44:58,203 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 18:44:58,204 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:44:58,205 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2019-12-07 18:44:58,206 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 18:44:58,206 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,206 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,206 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 18:44:58,206 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 18:44:58,206 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 18:44:58,206 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 18:44:58,206 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 18:44:58,206 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 18:44:58,206 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 18:44:58,206 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 18:44:58,206 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 18:44:58,206 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse7 (= ~a25~0 1)) (.cse8 (= ~a11~0 1))) (let ((.cse2 (= ~a17~0 8)) (.cse5 (= ~a28~0 9)) (.cse3 (not .cse8)) (.cse0 (= ~a28~0 10)) (.cse6 (not .cse7)) (.cse1 (= ~a19~0 1)) (.cse4 (not (= ~a28~0 11)))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse3) (and .cse6 .cse2 .cse4) (and .cse6 .cse2 .cse3) (and .cse5 .cse7) (and .cse1 .cse7 .cse3) (and .cse0 .cse6 .cse8) (and .cse1 .cse7 .cse4)))) [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 18:44:58,207 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 18:44:58,208 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 18:44:58,208 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,208 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,208 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 18:44:58,208 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 18:44:58,208 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 18:44:58,208 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 18:44:58,208 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 18:44:58,208 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 18:44:58,208 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= ~a25~0 1)) (.cse8 (= ~a11~0 1))) (let ((.cse2 (= ~a17~0 8)) (.cse5 (= ~a28~0 9)) (.cse3 (not .cse8)) (.cse0 (= ~a28~0 10)) (.cse6 (not .cse7)) (.cse1 (= ~a19~0 1)) (.cse4 (not (= ~a28~0 11)))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse3) (and .cse6 .cse2 .cse4) (and .cse6 .cse2 .cse3) (and .cse5 .cse7) (and .cse1 .cse7 .cse3) (and .cse0 .cse6 .cse8) (and .cse1 .cse7 .cse4)))) [2019-12-07 18:44:58,208 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,208 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,208 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 18:44:58,208 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,209 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,210 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,211 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 18:44:58,212 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 18:44:58,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:44:58 BoogieIcfgContainer [2019-12-07 18:44:58,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:44:58,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:44:58,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:44:58,227 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:44:58,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:44:52" (3/4) ... [2019-12-07 18:44:58,230 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:44:58,244 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 18:44:58,245 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:44:58,340 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a2cd4a10-19e3-4d73-bf4d-c44bafa5d359/bin/uautomizer/witness.graphml [2019-12-07 18:44:58,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:44:58,341 INFO L168 Benchmark]: Toolchain (without parser) took 7344.93 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 346.0 MB). Free memory was 937.1 MB in the beginning and 1.3 GB in the end (delta: -394.5 MB). Peak memory consumption was 376.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:44:58,341 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:44:58,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -126.7 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:44:58,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.41 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 18:44:58,342 INFO L168 Benchmark]: Boogie Preprocessor took 39.68 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 18:44:58,342 INFO L168 Benchmark]: RCFGBuilder took 659.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.7 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:44:58,343 INFO L168 Benchmark]: TraceAbstraction took 6135.55 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 138.9 MB). Free memory was 943.4 MB in the beginning and 800.0 MB in the end (delta: 143.4 MB). Peak memory consumption was 282.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:44:58,343 INFO L168 Benchmark]: Witness Printer took 112.65 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 118.0 MB). Free memory was 800.0 MB in the beginning and 1.3 GB in the end (delta: -531.6 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:44:58,345 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -126.7 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.41 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 39.68 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 659.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.7 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6135.55 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 138.9 MB). Free memory was 943.4 MB in the beginning and 800.0 MB in the end (delta: 143.4 MB). Peak memory consumption was 282.3 MB. Max. memory is 11.5 GB. * Witness Printer took 112.65 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 118.0 MB). Free memory was 800.0 MB in the beginning and 1.3 GB in the end (delta: -531.6 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: 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 == 10 && a19 == 1) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 11))) || (a28 == 9 && !(a11 == 1))) || ((!(a25 == 1) && a17 == 8) && !(a28 == 11))) || ((!(a25 == 1) && a17 == 8) && !(a11 == 1))) || (a28 == 9 && a25 == 1)) || ((a19 == 1 && a25 == 1) && !(a11 == 1))) || ((a28 == 10 && !(a25 == 1)) && a11 == 1)) || ((a19 == 1 && a25 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((a28 == 10 && a19 == 1) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 11))) || (a28 == 9 && !(a11 == 1))) || ((!(a25 == 1) && a17 == 8) && !(a28 == 11))) || ((!(a25 == 1) && a17 == 8) && !(a11 == 1))) || (a28 == 9 && a25 == 1)) || ((a19 == 1 && a25 == 1) && !(a11 == 1))) || ((a28 == 10 && !(a25 == 1)) && a11 == 1)) || ((a19 == 1 && a25 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 5.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 893 SDtfs, 2186 SDslu, 285 SDs, 0 SdLazy, 5734 SolverSat, 861 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2270occurred in iteration=5, 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, 1866 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 185 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1919 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 592 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 1453 NumberOfCodeBlocks, 1453 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1444 ConstructedInterpolants, 0 QuantifiedInterpolants, 728663 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 463/463 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...