./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label23.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/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 32be2810d9c37c4b52439355c8a9e3577edf70e1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:03:14,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:03:14,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:03:15,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:03:15,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:03:15,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:03:15,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:03:15,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:03:15,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:03:15,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:03:15,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:03:15,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:03:15,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:03:15,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:03:15,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:03:15,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:03:15,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:03:15,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:03:15,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:03:15,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:03:15,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:03:15,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:03:15,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:03:15,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:03:15,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:03:15,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:03:15,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:03:15,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:03:15,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:03:15,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:03:15,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:03:15,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:03:15,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:03:15,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:03:15,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:03:15,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:03:15,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:03:15,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:03:15,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:03:15,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:03:15,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:03:15,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 01:03:15,088 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:03:15,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:03:15,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:03:15,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:03:15,099 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:03:15,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:03:15,100 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:03:15,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:03:15,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:03:15,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:03:15,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:03:15,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:03:15,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:03:15,101 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:03:15,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:03:15,102 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:03:15,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:03:15,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:03:15,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:03:15,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:03:15,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 01:03:15,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:03:15,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:03:15,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:03:15,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:03:15,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:03:15,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:03:15,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:03:15,105 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_4a82bd96-3f41-4a06-854b-e1881d60ead5/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 -> 32be2810d9c37c4b52439355c8a9e3577edf70e1 [2019-11-20 01:03:15,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:03:15,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:03:15,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:03:15,285 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:03:15,285 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:03:15,286 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label23.c [2019-11-20 01:03:15,345 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/bin/uautomizer/data/5629236e9/27a75ba4537345fb8c2a9b975cff5558/FLAG3e5efff47 [2019-11-20 01:03:15,839 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:03:15,841 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/sv-benchmarks/c/eca-rers2012/Problem01_label23.c [2019-11-20 01:03:15,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/bin/uautomizer/data/5629236e9/27a75ba4537345fb8c2a9b975cff5558/FLAG3e5efff47 [2019-11-20 01:03:16,142 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/bin/uautomizer/data/5629236e9/27a75ba4537345fb8c2a9b975cff5558 [2019-11-20 01:03:16,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:03:16,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:03:16,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:03:16,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:03:16,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:03:16,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:03:16" (1/1) ... [2019-11-20 01:03:16,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@525ee995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:16, skipping insertion in model container [2019-11-20 01:03:16,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:03:16" (1/1) ... [2019-11-20 01:03:16,163 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:03:16,221 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:03:16,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:03:16,661 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:03:16,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:03:16,792 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:03:16,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:16 WrapperNode [2019-11-20 01:03:16,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:03:16,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:03:16,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:03:16,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:03:16,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:16" (1/1) ... [2019-11-20 01:03:16,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:16" (1/1) ... [2019-11-20 01:03:16,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:03:16,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:03:16,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:03:16,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:03:16,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:16" (1/1) ... [2019-11-20 01:03:16,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:16" (1/1) ... [2019-11-20 01:03:16,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:16" (1/1) ... [2019-11-20 01:03:16,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:16" (1/1) ... [2019-11-20 01:03:16,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:16" (1/1) ... [2019-11-20 01:03:16,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:16" (1/1) ... [2019-11-20 01:03:16,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:16" (1/1) ... [2019-11-20 01:03:16,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:03:16,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:03:16,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:03:16,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:03:16,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/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 [2019-11-20 01:03:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:03:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:03:18,027 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:03:18,027 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 01:03:18,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:03:18 BoogieIcfgContainer [2019-11-20 01:03:18,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:03:18,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 01:03:18,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 01:03:18,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 01:03:18,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:03:16" (1/3) ... [2019-11-20 01:03:18,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae81aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:03:18, skipping insertion in model container [2019-11-20 01:03:18,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:16" (2/3) ... [2019-11-20 01:03:18,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae81aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:03:18, skipping insertion in model container [2019-11-20 01:03:18,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:03:18" (3/3) ... [2019-11-20 01:03:18,038 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label23.c [2019-11-20 01:03:18,047 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 01:03:18,054 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 01:03:18,064 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 01:03:18,101 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 01:03:18,101 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 01:03:18,101 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 01:03:18,101 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:03:18,101 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:03:18,101 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 01:03:18,102 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:03:18,102 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 01:03:18,123 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-11-20 01:03:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 01:03:18,135 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:03:18,136 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] [2019-11-20 01:03:18,137 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:03:18,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:18,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1911993682, now seen corresponding path program 1 times [2019-11-20 01:03:18,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:18,151 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781084870] [2019-11-20 01:03:18,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:18,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:18,541 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781084870] [2019-11-20 01:03:18,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:03:18,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:03:18,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650317606] [2019-11-20 01:03:18,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 01:03:18,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:03:18,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 01:03:18,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 01:03:18,565 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-11-20 01:03:19,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:03:19,796 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-11-20 01:03:19,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 01:03:19,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2019-11-20 01:03:19,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:03:19,821 INFO L225 Difference]: With dead ends: 662 [2019-11-20 01:03:19,823 INFO L226 Difference]: Without dead ends: 397 [2019-11-20 01:03:19,831 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 01:03:19,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-11-20 01:03:19,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2019-11-20 01:03:19,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-11-20 01:03:19,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 553 transitions. [2019-11-20 01:03:19,928 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 553 transitions. Word has length 95 [2019-11-20 01:03:19,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:03:19,929 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 553 transitions. [2019-11-20 01:03:19,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 01:03:19,930 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 553 transitions. [2019-11-20 01:03:19,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 01:03:19,940 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:03:19,941 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-20 01:03:19,941 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:03:19,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:19,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1528488005, now seen corresponding path program 1 times [2019-11-20 01:03:19,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:19,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428625970] [2019-11-20 01:03:19,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:20,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428625970] [2019-11-20 01:03:20,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:03:20,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 01:03:20,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61192579] [2019-11-20 01:03:20,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 01:03:20,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:03:20,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 01:03:20,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 01:03:20,157 INFO L87 Difference]: Start difference. First operand 397 states and 553 transitions. Second operand 4 states. [2019-11-20 01:03:20,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:03:20,998 INFO L93 Difference]: Finished difference Result 1447 states and 2019 transitions. [2019-11-20 01:03:20,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 01:03:20,998 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2019-11-20 01:03:20,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:03:21,005 INFO L225 Difference]: With dead ends: 1447 [2019-11-20 01:03:21,005 INFO L226 Difference]: Without dead ends: 1052 [2019-11-20 01:03:21,007 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 01:03:21,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2019-11-20 01:03:21,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 659. [2019-11-20 01:03:21,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-11-20 01:03:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 851 transitions. [2019-11-20 01:03:21,040 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 851 transitions. Word has length 102 [2019-11-20 01:03:21,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:03:21,041 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 851 transitions. [2019-11-20 01:03:21,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 01:03:21,041 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 851 transitions. [2019-11-20 01:03:21,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-20 01:03:21,043 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:03:21,043 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-20 01:03:21,043 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:03:21,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:21,044 INFO L82 PathProgramCache]: Analyzing trace with hash 196968702, now seen corresponding path program 1 times [2019-11-20 01:03:21,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:21,044 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064846873] [2019-11-20 01:03:21,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:21,140 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:21,141 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064846873] [2019-11-20 01:03:21,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:03:21,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:03:21,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981766197] [2019-11-20 01:03:21,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 01:03:21,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:03:21,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 01:03:21,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 01:03:21,147 INFO L87 Difference]: Start difference. First operand 659 states and 851 transitions. Second operand 4 states. [2019-11-20 01:03:21,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:03:21,906 INFO L93 Difference]: Finished difference Result 1578 states and 1998 transitions. [2019-11-20 01:03:21,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 01:03:21,907 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2019-11-20 01:03:21,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:03:21,914 INFO L225 Difference]: With dead ends: 1578 [2019-11-20 01:03:21,914 INFO L226 Difference]: Without dead ends: 790 [2019-11-20 01:03:21,915 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 01:03:21,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-11-20 01:03:21,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-11-20 01:03:21,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-11-20 01:03:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 930 transitions. [2019-11-20 01:03:21,947 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 930 transitions. Word has length 116 [2019-11-20 01:03:21,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:03:21,947 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 930 transitions. [2019-11-20 01:03:21,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 01:03:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 930 transitions. [2019-11-20 01:03:21,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 01:03:21,962 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:03:21,963 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] [2019-11-20 01:03:21,963 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:03:21,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:21,964 INFO L82 PathProgramCache]: Analyzing trace with hash -415435549, now seen corresponding path program 1 times [2019-11-20 01:03:21,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:21,965 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983742275] [2019-11-20 01:03:21,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:22,055 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:22,056 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983742275] [2019-11-20 01:03:22,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:03:22,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 01:03:22,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050855539] [2019-11-20 01:03:22,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:03:22,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:03:22,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:03:22,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:03:22,060 INFO L87 Difference]: Start difference. First operand 790 states and 930 transitions. Second operand 3 states. [2019-11-20 01:03:22,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:03:22,608 INFO L93 Difference]: Finished difference Result 2233 states and 2643 transitions. [2019-11-20 01:03:22,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:03:22,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2019-11-20 01:03:22,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:03:22,616 INFO L225 Difference]: With dead ends: 2233 [2019-11-20 01:03:22,616 INFO L226 Difference]: Without dead ends: 1445 [2019-11-20 01:03:22,618 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:03:22,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2019-11-20 01:03:22,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1183. [2019-11-20 01:03:22,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2019-11-20 01:03:22,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1374 transitions. [2019-11-20 01:03:22,659 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1374 transitions. Word has length 117 [2019-11-20 01:03:22,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:03:22,660 INFO L462 AbstractCegarLoop]: Abstraction has 1183 states and 1374 transitions. [2019-11-20 01:03:22,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:03:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1374 transitions. [2019-11-20 01:03:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-20 01:03:22,663 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:03:22,663 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-20 01:03:22,663 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:03:22,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:22,664 INFO L82 PathProgramCache]: Analyzing trace with hash -566505045, now seen corresponding path program 1 times [2019-11-20 01:03:22,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:22,664 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922724458] [2019-11-20 01:03:22,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:03:22,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922724458] [2019-11-20 01:03:22,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:03:22,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 01:03:22,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896503372] [2019-11-20 01:03:22,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:03:22,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:03:22,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:03:22,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:03:22,744 INFO L87 Difference]: Start difference. First operand 1183 states and 1374 transitions. Second operand 3 states. [2019-11-20 01:03:23,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:03:23,240 INFO L93 Difference]: Finished difference Result 3150 states and 3674 transitions. [2019-11-20 01:03:23,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:03:23,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-11-20 01:03:23,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:03:23,253 INFO L225 Difference]: With dead ends: 3150 [2019-11-20 01:03:23,253 INFO L226 Difference]: Without dead ends: 1969 [2019-11-20 01:03:23,256 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:03:23,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2019-11-20 01:03:23,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1576. [2019-11-20 01:03:23,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-11-20 01:03:23,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1842 transitions. [2019-11-20 01:03:23,299 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1842 transitions. Word has length 121 [2019-11-20 01:03:23,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:03:23,300 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1842 transitions. [2019-11-20 01:03:23,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:03:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1842 transitions. [2019-11-20 01:03:23,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-20 01:03:23,304 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:03:23,305 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-20 01:03:23,305 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:03:23,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:23,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1960003089, now seen corresponding path program 1 times [2019-11-20 01:03:23,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:23,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439206833] [2019-11-20 01:03:23,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 01:03:23,377 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439206833] [2019-11-20 01:03:23,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:03:23,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 01:03:23,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290174435] [2019-11-20 01:03:23,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:03:23,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:03:23,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:03:23,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:03:23,380 INFO L87 Difference]: Start difference. First operand 1576 states and 1842 transitions. Second operand 3 states. [2019-11-20 01:03:23,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:03:23,828 INFO L93 Difference]: Finished difference Result 3281 states and 3834 transitions. [2019-11-20 01:03:23,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:03:23,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2019-11-20 01:03:23,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:03:23,837 INFO L225 Difference]: With dead ends: 3281 [2019-11-20 01:03:23,837 INFO L226 Difference]: Without dead ends: 1707 [2019-11-20 01:03:23,839 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:03:23,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-20 01:03:23,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2019-11-20 01:03:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-11-20 01:03:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1842 transitions. [2019-11-20 01:03:23,879 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1842 transitions. Word has length 123 [2019-11-20 01:03:23,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:03:23,880 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1842 transitions. [2019-11-20 01:03:23,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:03:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1842 transitions. [2019-11-20 01:03:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-20 01:03:23,883 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:03:23,883 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:03:23,883 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:03:23,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:23,887 INFO L82 PathProgramCache]: Analyzing trace with hash -233111406, now seen corresponding path program 1 times [2019-11-20 01:03:23,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:23,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960413602] [2019-11-20 01:03:23,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:23,951 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960413602] [2019-11-20 01:03:23,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:03:23,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 01:03:23,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86890144] [2019-11-20 01:03:23,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:03:23,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:03:23,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:03:23,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:03:23,953 INFO L87 Difference]: Start difference. First operand 1576 states and 1842 transitions. Second operand 3 states. [2019-11-20 01:03:24,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:03:24,486 INFO L93 Difference]: Finished difference Result 3543 states and 4112 transitions. [2019-11-20 01:03:24,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:03:24,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2019-11-20 01:03:24,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:03:24,499 INFO L225 Difference]: With dead ends: 3543 [2019-11-20 01:03:24,499 INFO L226 Difference]: Without dead ends: 1969 [2019-11-20 01:03:24,502 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:03:24,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2019-11-20 01:03:24,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2019-11-20 01:03:24,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-20 01:03:24,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2125 transitions. [2019-11-20 01:03:24,549 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2125 transitions. Word has length 124 [2019-11-20 01:03:24,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:03:24,550 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2125 transitions. [2019-11-20 01:03:24,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:03:24,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2125 transitions. [2019-11-20 01:03:24,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-20 01:03:24,554 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:03:24,554 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:03:24,555 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:03:24,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:24,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1809298122, now seen corresponding path program 1 times [2019-11-20 01:03:24,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:24,556 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044540375] [2019-11-20 01:03:24,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:24,764 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044540375] [2019-11-20 01:03:24,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:03:24,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 01:03:24,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331581116] [2019-11-20 01:03:24,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 01:03:24,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:03:24,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 01:03:24,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-20 01:03:24,767 INFO L87 Difference]: Start difference. First operand 1838 states and 2125 transitions. Second operand 8 states. [2019-11-20 01:03:25,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:03:25,852 INFO L93 Difference]: Finished difference Result 3847 states and 4440 transitions. [2019-11-20 01:03:25,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 01:03:25,853 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2019-11-20 01:03:25,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:03:25,864 INFO L225 Difference]: With dead ends: 3847 [2019-11-20 01:03:25,864 INFO L226 Difference]: Without dead ends: 2142 [2019-11-20 01:03:25,867 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-20 01:03:25,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2142 states. [2019-11-20 01:03:25,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2142 to 1838. [2019-11-20 01:03:25,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-20 01:03:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2113 transitions. [2019-11-20 01:03:25,914 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2113 transitions. Word has length 128 [2019-11-20 01:03:25,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:03:25,915 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2113 transitions. [2019-11-20 01:03:25,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 01:03:25,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2113 transitions. [2019-11-20 01:03:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 01:03:25,921 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:03:25,922 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:03:25,922 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:03:25,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:25,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1337337613, now seen corresponding path program 1 times [2019-11-20 01:03:25,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:25,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962201373] [2019-11-20 01:03:25,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 01:03:25,992 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962201373] [2019-11-20 01:03:25,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:03:25,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 01:03:25,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121558148] [2019-11-20 01:03:25,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:03:25,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:03:25,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:03:25,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:03:25,998 INFO L87 Difference]: Start difference. First operand 1838 states and 2113 transitions. Second operand 3 states. [2019-11-20 01:03:26,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:03:26,465 INFO L93 Difference]: Finished difference Result 3674 states and 4222 transitions. [2019-11-20 01:03:26,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:03:26,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2019-11-20 01:03:26,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:03:26,475 INFO L225 Difference]: With dead ends: 3674 [2019-11-20 01:03:26,475 INFO L226 Difference]: Without dead ends: 1838 [2019-11-20 01:03:26,478 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:03:26,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-11-20 01:03:26,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1707. [2019-11-20 01:03:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-11-20 01:03:26,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1848 transitions. [2019-11-20 01:03:26,512 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1848 transitions. Word has length 151 [2019-11-20 01:03:26,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:03:26,513 INFO L462 AbstractCegarLoop]: Abstraction has 1707 states and 1848 transitions. [2019-11-20 01:03:26,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:03:26,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1848 transitions. [2019-11-20 01:03:26,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-20 01:03:26,516 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:03:26,516 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:03:26,517 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:03:26,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:26,517 INFO L82 PathProgramCache]: Analyzing trace with hash -628114179, now seen corresponding path program 1 times [2019-11-20 01:03:26,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:26,518 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552934375] [2019-11-20 01:03:26,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:26,648 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552934375] [2019-11-20 01:03:26,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:03:26,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 01:03:26,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412312209] [2019-11-20 01:03:26,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 01:03:26,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:03:26,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 01:03:26,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 01:03:26,651 INFO L87 Difference]: Start difference. First operand 1707 states and 1848 transitions. Second operand 4 states. [2019-11-20 01:03:27,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:03:27,113 INFO L93 Difference]: Finished difference Result 3412 states and 3707 transitions. [2019-11-20 01:03:27,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:03:27,116 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2019-11-20 01:03:27,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:03:27,127 INFO L225 Difference]: With dead ends: 3412 [2019-11-20 01:03:27,127 INFO L226 Difference]: Without dead ends: 1838 [2019-11-20 01:03:27,129 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 01:03:27,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-11-20 01:03:27,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2019-11-20 01:03:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-20 01:03:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1960 transitions. [2019-11-20 01:03:27,164 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1960 transitions. Word has length 154 [2019-11-20 01:03:27,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:03:27,164 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 1960 transitions. [2019-11-20 01:03:27,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 01:03:27,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1960 transitions. [2019-11-20 01:03:27,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-20 01:03:27,168 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:03:27,168 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:03:27,170 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:03:27,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:27,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1620802140, now seen corresponding path program 1 times [2019-11-20 01:03:27,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:27,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535634518] [2019-11-20 01:03:27,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:27,801 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535634518] [2019-11-20 01:03:27,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:03:27,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-20 01:03:27,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744374180] [2019-11-20 01:03:27,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-20 01:03:27,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:03:27,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-20 01:03:27,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=79, Unknown=0, NotChecked=0, Total=156 [2019-11-20 01:03:27,803 INFO L87 Difference]: Start difference. First operand 1838 states and 1960 transitions. Second operand 13 states. [2019-11-20 01:03:29,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:03:29,024 INFO L93 Difference]: Finished difference Result 3727 states and 3988 transitions. [2019-11-20 01:03:29,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-20 01:03:29,025 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 167 [2019-11-20 01:03:29,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:03:29,025 INFO L225 Difference]: With dead ends: 3727 [2019-11-20 01:03:29,025 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 01:03:29,029 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=79, Unknown=0, NotChecked=0, Total=156 [2019-11-20 01:03:29,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 01:03:29,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 01:03:29,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 01:03:29,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 01:03:29,029 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2019-11-20 01:03:29,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:03:29,030 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:03:29,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-20 01:03:29,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 01:03:29,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:03:29,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 01:03:29,305 INFO L444 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-20 01:03:29,305 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-20 01:03:29,305 INFO L444 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,305 INFO L444 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,305 INFO L444 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,305 INFO L444 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,305 INFO L444 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,305 INFO L444 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,305 INFO L444 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-20 01:03:29,305 INFO L444 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-20 01:03:29,306 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-20 01:03:29,307 INFO L444 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-20 01:03:29,307 INFO L444 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-20 01:03:29,307 INFO L444 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-20 01:03:29,307 INFO L444 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-20 01:03:29,307 INFO L444 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-20 01:03:29,307 INFO L444 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-20 01:03:29,307 INFO L444 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-20 01:03:29,307 INFO L444 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-20 01:03:29,307 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-20 01:03:29,307 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-20 01:03:29,307 INFO L444 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-20 01:03:29,307 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-20 01:03:29,308 INFO L444 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-20 01:03:29,308 INFO L444 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,308 INFO L444 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,308 INFO L444 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,308 INFO L444 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,308 INFO L444 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,308 INFO L444 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-20 01:03:29,308 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-20 01:03:29,308 INFO L444 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-20 01:03:29,308 INFO L444 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-20 01:03:29,308 INFO L444 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-20 01:03:29,309 INFO L444 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-20 01:03:29,309 INFO L444 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-20 01:03:29,309 INFO L444 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-20 01:03:29,309 INFO L444 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-20 01:03:29,310 INFO L440 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (= ~a20~0 1))) (.cse0 (not (= ~a7~0 1))) (.cse2 (= ~a17~0 1)) (.cse3 (= ~a12~0 8)) (.cse4 (= ~a21~0 1))) (or (not (= 15 ~a8~0)) (and .cse0 .cse1 (or (= 2 ULTIMATE.start_calculate_output_~input) (= 3 ULTIMATE.start_calculate_output_~input) (= 6 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input)) .cse2 .cse3 .cse4) (and .cse3 (<= ~a17~0 0) .cse4) (and .cse0 .cse1 .cse3 .cse2 .cse4 (not (= ~a16~0 4))) (and .cse0 .cse2 .cse3 .cse4 (= ~a16~0 5)))) [2019-11-20 01:03:29,311 INFO L444 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,311 INFO L444 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,311 INFO L444 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,311 INFO L444 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,311 INFO L444 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,311 INFO L444 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-20 01:03:29,311 INFO L444 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-20 01:03:29,312 INFO L444 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-20 01:03:29,312 INFO L444 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-20 01:03:29,312 INFO L444 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-20 01:03:29,312 INFO L444 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-20 01:03:29,312 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-20 01:03:29,312 INFO L444 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-20 01:03:29,312 INFO L444 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-20 01:03:29,313 INFO L444 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-20 01:03:29,313 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-20 01:03:29,313 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-20 01:03:29,313 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-20 01:03:29,313 INFO L447 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-11-20 01:03:29,313 INFO L444 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,314 INFO L444 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,314 INFO L444 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,314 INFO L444 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,314 INFO L444 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,314 INFO L444 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-20 01:03:29,314 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-20 01:03:29,314 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-20 01:03:29,315 INFO L444 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-20 01:03:29,315 INFO L444 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-20 01:03:29,315 INFO L444 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-20 01:03:29,315 INFO L444 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-20 01:03:29,315 INFO L444 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-20 01:03:29,315 INFO L444 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-20 01:03:29,315 INFO L444 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,316 INFO L444 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,316 INFO L444 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,316 INFO L444 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,316 INFO L444 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-20 01:03:29,316 INFO L444 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,316 INFO L444 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-20 01:03:29,316 INFO L444 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-20 01:03:29,317 INFO L444 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-20 01:03:29,317 INFO L444 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-20 01:03:29,317 INFO L444 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-20 01:03:29,317 INFO L444 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-20 01:03:29,317 INFO L444 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-20 01:03:29,317 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 01:03:29,317 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-20 01:03:29,318 INFO L444 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-20 01:03:29,318 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-20 01:03:29,318 INFO L444 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-20 01:03:29,318 INFO L444 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-20 01:03:29,318 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-20 01:03:29,318 INFO L444 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,319 INFO L440 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (not (= ~a20~0 1))) (.cse0 (not (= ~a7~0 1))) (.cse2 (= ~a17~0 1)) (.cse3 (= ~a12~0 8)) (.cse4 (= ~a21~0 1))) (or (not (= 15 ~a8~0)) (and .cse0 .cse1 (or (= 2 ULTIMATE.start_calculate_output_~input) (= 3 ULTIMATE.start_calculate_output_~input) (= 6 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input)) .cse2 .cse3 .cse4) (and .cse3 (<= ~a17~0 0) .cse4) (and .cse0 .cse1 .cse3 .cse2 .cse4 (not (= ~a16~0 4))) (and .cse0 .cse2 .cse3 .cse4 (= ~a16~0 5)))) [2019-11-20 01:03:29,319 INFO L444 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,319 INFO L444 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,319 INFO L444 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,319 INFO L444 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,319 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-20 01:03:29,319 INFO L444 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-20 01:03:29,320 INFO L444 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-20 01:03:29,320 INFO L444 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-20 01:03:29,320 INFO L444 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-20 01:03:29,320 INFO L444 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-20 01:03:29,320 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-20 01:03:29,320 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-20 01:03:29,320 INFO L444 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,321 INFO L444 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,321 INFO L444 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,321 INFO L444 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,321 INFO L444 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,321 INFO L444 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-20 01:03:29,321 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 01:03:29,322 INFO L444 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-20 01:03:29,322 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-20 01:03:29,322 INFO L444 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-20 01:03:29,322 INFO L444 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-20 01:03:29,322 INFO L444 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-20 01:03:29,322 INFO L444 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-20 01:03:29,322 INFO L444 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-20 01:03:29,322 INFO L444 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-20 01:03:29,323 INFO L444 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-20 01:03:29,323 INFO L444 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-20 01:03:29,323 INFO L444 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-20 01:03:29,323 INFO L444 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,323 INFO L444 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,323 INFO L444 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,323 INFO L444 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,324 INFO L444 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-20 01:03:29,324 INFO L444 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,324 INFO L444 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,324 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-20 01:03:29,324 INFO L444 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-20 01:03:29,324 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 01:03:29,324 INFO L444 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-20 01:03:29,325 INFO L444 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-20 01:03:29,325 INFO L444 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-20 01:03:29,325 INFO L444 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-20 01:03:29,325 INFO L444 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-20 01:03:29,325 INFO L444 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-20 01:03:29,325 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-20 01:03:29,326 INFO L444 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-20 01:03:29,326 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-20 01:03:29,326 INFO L444 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-20 01:03:29,326 INFO L444 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,326 INFO L444 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,326 INFO L444 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,326 INFO L444 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,327 INFO L444 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,327 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-20 01:03:29,327 INFO L444 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,327 INFO L444 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-20 01:03:29,327 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-20 01:03:29,327 INFO L444 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-20 01:03:29,327 INFO L444 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-20 01:03:29,328 INFO L444 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-20 01:03:29,328 INFO L444 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-20 01:03:29,328 INFO L444 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-20 01:03:29,328 INFO L444 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-20 01:03:29,328 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-20 01:03:29,328 INFO L444 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-20 01:03:29,328 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-20 01:03:29,329 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 01:03:29,329 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2019-11-20 01:03:29,329 INFO L444 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-20 01:03:29,329 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-20 01:03:29,329 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-20 01:03:29,329 INFO L444 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,329 INFO L444 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,330 INFO L444 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,330 INFO L444 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,330 INFO L444 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,330 INFO L444 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 01:03:29,330 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-20 01:03:29,330 INFO L444 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-20 01:03:29,330 INFO L444 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-20 01:03:29,331 INFO L444 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-20 01:03:29,331 INFO L444 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-20 01:03:29,331 INFO L444 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-20 01:03:29,331 INFO L444 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-20 01:03:29,331 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-20 01:03:29,331 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-20 01:03:29,331 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-20 01:03:29,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:03:29 BoogieIcfgContainer [2019-11-20 01:03:29,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 01:03:29,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:03:29,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:03:29,349 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:03:29,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:03:18" (3/4) ... [2019-11-20 01:03:29,353 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:03:29,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 01:03:29,373 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 01:03:29,518 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4a82bd96-3f41-4a06-854b-e1881d60ead5/bin/uautomizer/witness.graphml [2019-11-20 01:03:29,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:03:29,521 INFO L168 Benchmark]: Toolchain (without parser) took 13374.47 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 415.2 MB). Free memory was 946.1 MB in the beginning and 938.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 423.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:03:29,521 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:03:29,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:03:29,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:03:29,522 INFO L168 Benchmark]: Boogie Preprocessor took 75.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:03:29,523 INFO L168 Benchmark]: RCFGBuilder took 1063.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.5 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:03:29,523 INFO L168 Benchmark]: TraceAbstraction took 11319.24 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 285.7 MB). Free memory was 973.5 MB in the beginning and 954.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 305.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:03:29,524 INFO L168 Benchmark]: Witness Printer took 169.61 ms. Allocated memory is still 1.4 GB. Free memory was 954.1 MB in the beginning and 938.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:03:29,526 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 646.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1063.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.5 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11319.24 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 285.7 MB). Free memory was 973.5 MB in the beginning and 954.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 305.1 MB. Max. memory is 11.5 GB. * Witness Printer took 169.61 ms. Allocated memory is still 1.4 GB. Free memory was 954.1 MB in the beginning and 938.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(15 == a8) || (((((!(a7 == 1) && !(a20 == 1)) && (((2 == input || 3 == input) || 6 == input) || 5 == input)) && a17 == 1) && a12 == 8) && a21 == 1)) || ((a12 == 8 && a17 <= 0) && a21 == 1)) || (((((!(a7 == 1) && !(a20 == 1)) && a12 == 8) && a17 == 1) && a21 == 1) && !(a16 == 4))) || ((((!(a7 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 5) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(15 == a8) || (((((!(a7 == 1) && !(a20 == 1)) && (((2 == input || 3 == input) || 6 == input) || 5 == input)) && a17 == 1) && a12 == 8) && a21 == 1)) || ((a12 == 8 && a17 <= 0) && a21 == 1)) || (((((!(a7 == 1) && !(a20 == 1)) && a12 == 8) && a17 == 1) && a21 == 1) && !(a16 == 4))) || ((((!(a7 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 11.2s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 708 SDtfs, 2582 SDslu, 139 SDs, 0 SdLazy, 6495 SolverSat, 877 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1838occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1745 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 171 HoareAnnotationTreeSize, 3 FomulaSimplifications, 9104 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1398 NumberOfCodeBlocks, 1398 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1387 ConstructedInterpolants, 0 QuantifiedInterpolants, 879772 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 439/439 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...