./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label09.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/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 bd67834e8971a579ed0a849416006fd592ec6188 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:50:34,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:50:34,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:50:34,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:50:34,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:50:34,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:50:34,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:50:34,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:50:34,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:50:34,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:50:34,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:50:34,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:50:34,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:50:34,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:50:34,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:50:34,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:50:34,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:50:34,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:50:34,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:50:34,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:50:34,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:50:34,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:50:34,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:50:34,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:50:34,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:50:34,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:50:34,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:50:34,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:50:34,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:50:34,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:50:34,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:50:34,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:50:34,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:50:34,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:50:34,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:50:34,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:50:34,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:50:34,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:50:34,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:50:34,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:50:34,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:50:34,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:50:34,950 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:50:34,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:50:34,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:50:34,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:50:34,951 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:50:34,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:50:34,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:50:34,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:50:34,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:50:34,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:50:34,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:50:34,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:50:34,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:50:34,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:50:34,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:50:34,954 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:50:34,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:50:34,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:50:34,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:50:34,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:50:34,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:50:34,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:50:34,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:50:34,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:50:34,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:50:34,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:50:34,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:50:34,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:50:34,957 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_f951458e-4af1-4bc3-b651-38eaf3d1195e/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 -> bd67834e8971a579ed0a849416006fd592ec6188 [2019-11-25 08:50:35,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:50:35,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:50:35,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:50:35,148 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:50:35,148 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:50:35,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2019-11-25 08:50:35,202 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/bin/uautomizer/data/eac83dc21/75f2ac2fcd2b40e1b1f88be4e8628c66/FLAG7b54e3a5a [2019-11-25 08:50:35,697 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:50:35,699 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2019-11-25 08:50:35,711 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/bin/uautomizer/data/eac83dc21/75f2ac2fcd2b40e1b1f88be4e8628c66/FLAG7b54e3a5a [2019-11-25 08:50:36,012 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/bin/uautomizer/data/eac83dc21/75f2ac2fcd2b40e1b1f88be4e8628c66 [2019-11-25 08:50:36,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:50:36,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:50:36,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:36,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:50:36,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:50:36,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:36" (1/1) ... [2019-11-25 08:50:36,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3abcc8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:36, skipping insertion in model container [2019-11-25 08:50:36,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:36" (1/1) ... [2019-11-25 08:50:36,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:50:36,084 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:50:36,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:36,547 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:50:36,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:36,653 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:50:36,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:36 WrapperNode [2019-11-25 08:50:36,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:36,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:36,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:50:36,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:50:36,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:36" (1/1) ... [2019-11-25 08:50:36,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:36" (1/1) ... [2019-11-25 08:50:36,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:36,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:50:36,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:50:36,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:50:36,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:36" (1/1) ... [2019-11-25 08:50:36,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:36" (1/1) ... [2019-11-25 08:50:36,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:36" (1/1) ... [2019-11-25 08:50:36,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:36" (1/1) ... [2019-11-25 08:50:36,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:36" (1/1) ... [2019-11-25 08:50:36,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:36" (1/1) ... [2019-11-25 08:50:36,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:36" (1/1) ... [2019-11-25 08:50:36,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:50:36,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:50:36,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:50:36,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:50:36,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/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 [2019-11-25 08:50:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:50:36,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:50:38,047 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:50:38,047 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:50:38,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:38 BoogieIcfgContainer [2019-11-25 08:50:38,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:50:38,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:50:38,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:50:38,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:50:38,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:50:36" (1/3) ... [2019-11-25 08:50:38,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6acbae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:38, skipping insertion in model container [2019-11-25 08:50:38,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:36" (2/3) ... [2019-11-25 08:50:38,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6acbae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:38, skipping insertion in model container [2019-11-25 08:50:38,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:38" (3/3) ... [2019-11-25 08:50:38,055 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label09.c [2019-11-25 08:50:38,063 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:50:38,069 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:50:38,079 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:50:38,112 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:50:38,113 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:50:38,113 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:50:38,113 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:50:38,113 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:50:38,113 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:50:38,114 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:50:38,114 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:50:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-25 08:50:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-25 08:50:38,139 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:38,140 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] [2019-11-25 08:50:38,140 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:38,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:38,145 INFO L82 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2019-11-25 08:50:38,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:38,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721048192] [2019-11-25 08:50:38,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:38,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721048192] [2019-11-25 08:50:38,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:38,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:50:38,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442767474] [2019-11-25 08:50:38,424 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:50:38,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:38,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:50:38,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:50:38,439 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-25 08:50:39,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:39,992 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-11-25 08:50:39,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:50:39,994 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2019-11-25 08:50:39,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:40,018 INFO L225 Difference]: With dead ends: 709 [2019-11-25 08:50:40,018 INFO L226 Difference]: Without dead ends: 421 [2019-11-25 08:50:40,025 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 [2019-11-25 08:50:40,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-25 08:50:40,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-11-25 08:50:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-25 08:50:40,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2019-11-25 08:50:40,111 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 56 [2019-11-25 08:50:40,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:40,112 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2019-11-25 08:50:40,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:50:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2019-11-25 08:50:40,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-25 08:50:40,117 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:40,117 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:40,117 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:40,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:40,118 INFO L82 PathProgramCache]: Analyzing trace with hash -374097100, now seen corresponding path program 1 times [2019-11-25 08:50:40,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:40,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193623009] [2019-11-25 08:50:40,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:40,326 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193623009] [2019-11-25 08:50:40,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:40,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:50:40,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263714277] [2019-11-25 08:50:40,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:50:40,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:40,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:50:40,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:50:40,331 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 4 states. [2019-11-25 08:50:41,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:41,157 INFO L93 Difference]: Finished difference Result 1118 states and 1640 transitions. [2019-11-25 08:50:41,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:50:41,160 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2019-11-25 08:50:41,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:41,164 INFO L225 Difference]: With dead ends: 1118 [2019-11-25 08:50:41,165 INFO L226 Difference]: Without dead ends: 838 [2019-11-25 08:50:41,166 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 [2019-11-25 08:50:41,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-11-25 08:50:41,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2019-11-25 08:50:41,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-25 08:50:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 970 transitions. [2019-11-25 08:50:41,198 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 970 transitions. Word has length 126 [2019-11-25 08:50:41,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:41,199 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 970 transitions. [2019-11-25 08:50:41,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:50:41,199 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 970 transitions. [2019-11-25 08:50:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-25 08:50:41,203 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:41,203 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:41,204 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:41,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:41,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1619344244, now seen corresponding path program 1 times [2019-11-25 08:50:41,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:41,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992413377] [2019-11-25 08:50:41,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:41,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992413377] [2019-11-25 08:50:41,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084320854] [2019-11-25 08:50:41,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:50:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:41,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:50:41,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:41,601 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:41,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 08:50:41,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-11-25 08:50:41,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867193763] [2019-11-25 08:50:41,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:50:41,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:41,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:50:41,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-25 08:50:41,609 INFO L87 Difference]: Start difference. First operand 699 states and 970 transitions. Second operand 3 states. [2019-11-25 08:50:42,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:42,192 INFO L93 Difference]: Finished difference Result 1674 states and 2337 transitions. [2019-11-25 08:50:42,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:50:42,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-11-25 08:50:42,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:42,204 INFO L225 Difference]: With dead ends: 1674 [2019-11-25 08:50:42,204 INFO L226 Difference]: Without dead ends: 977 [2019-11-25 08:50:42,205 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-25 08:50:42,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-25 08:50:42,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-11-25 08:50:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-25 08:50:42,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1323 transitions. [2019-11-25 08:50:42,230 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1323 transitions. Word has length 131 [2019-11-25 08:50:42,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:42,231 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1323 transitions. [2019-11-25 08:50:42,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:50:42,231 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1323 transitions. [2019-11-25 08:50:42,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-25 08:50:42,236 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:42,236 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:42,440 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:50:42,441 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:42,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:42,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1769594780, now seen corresponding path program 1 times [2019-11-25 08:50:42,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:42,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096041483] [2019-11-25 08:50:42,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:42,600 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096041483] [2019-11-25 08:50:42,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:42,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:50:42,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075536158] [2019-11-25 08:50:42,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:50:42,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:42,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:50:42,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:50:42,603 INFO L87 Difference]: Start difference. First operand 977 states and 1323 transitions. Second operand 4 states. [2019-11-25 08:50:43,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:43,424 INFO L93 Difference]: Finished difference Result 3203 states and 4261 transitions. [2019-11-25 08:50:43,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:50:43,424 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2019-11-25 08:50:43,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:43,435 INFO L225 Difference]: With dead ends: 3203 [2019-11-25 08:50:43,435 INFO L226 Difference]: Without dead ends: 2228 [2019-11-25 08:50:43,436 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 [2019-11-25 08:50:43,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2019-11-25 08:50:43,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1533. [2019-11-25 08:50:43,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2019-11-25 08:50:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1888 transitions. [2019-11-25 08:50:43,481 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1888 transitions. Word has length 147 [2019-11-25 08:50:43,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:43,482 INFO L462 AbstractCegarLoop]: Abstraction has 1533 states and 1888 transitions. [2019-11-25 08:50:43,482 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:50:43,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1888 transitions. [2019-11-25 08:50:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-25 08:50:43,491 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:43,491 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:43,492 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:43,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:43,492 INFO L82 PathProgramCache]: Analyzing trace with hash 2080572887, now seen corresponding path program 1 times [2019-11-25 08:50:43,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:43,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470465471] [2019-11-25 08:50:43,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-25 08:50:43,734 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470465471] [2019-11-25 08:50:43,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:43,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:50:43,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222606653] [2019-11-25 08:50:43,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:50:43,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:43,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:50:43,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:50:43,737 INFO L87 Difference]: Start difference. First operand 1533 states and 1888 transitions. Second operand 5 states. [2019-11-25 08:50:45,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:45,069 INFO L93 Difference]: Finished difference Result 4871 states and 5977 transitions. [2019-11-25 08:50:45,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:50:45,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2019-11-25 08:50:45,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:45,092 INFO L225 Difference]: With dead ends: 4871 [2019-11-25 08:50:45,093 INFO L226 Difference]: Without dead ends: 3340 [2019-11-25 08:50:45,095 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:50:45,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2019-11-25 08:50:45,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 2645. [2019-11-25 08:50:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states. [2019-11-25 08:50:45,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3166 transitions. [2019-11-25 08:50:45,148 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3166 transitions. Word has length 223 [2019-11-25 08:50:45,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:45,149 INFO L462 AbstractCegarLoop]: Abstraction has 2645 states and 3166 transitions. [2019-11-25 08:50:45,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:50:45,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3166 transitions. [2019-11-25 08:50:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-11-25 08:50:45,155 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:45,155 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:45,156 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:45,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:45,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1447619414, now seen corresponding path program 1 times [2019-11-25 08:50:45,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:45,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823549537] [2019-11-25 08:50:45,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:45,330 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823549537] [2019-11-25 08:50:45,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:45,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:50:45,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017290498] [2019-11-25 08:50:45,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:50:45,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:45,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:50:45,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:50:45,333 INFO L87 Difference]: Start difference. First operand 2645 states and 3166 transitions. Second operand 4 states. [2019-11-25 08:50:46,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:46,190 INFO L93 Difference]: Finished difference Result 5983 states and 7202 transitions. [2019-11-25 08:50:46,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:50:46,191 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2019-11-25 08:50:46,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:46,206 INFO L225 Difference]: With dead ends: 5983 [2019-11-25 08:50:46,206 INFO L226 Difference]: Without dead ends: 3340 [2019-11-25 08:50:46,209 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:50:46,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2019-11-25 08:50:46,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 2923. [2019-11-25 08:50:46,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2923 states. [2019-11-25 08:50:46,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 3445 transitions. [2019-11-25 08:50:46,267 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 3445 transitions. Word has length 260 [2019-11-25 08:50:46,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:46,268 INFO L462 AbstractCegarLoop]: Abstraction has 2923 states and 3445 transitions. [2019-11-25 08:50:46,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:50:46,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 3445 transitions. [2019-11-25 08:50:46,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-25 08:50:46,274 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:46,275 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:46,275 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:46,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:46,275 INFO L82 PathProgramCache]: Analyzing trace with hash -68619625, now seen corresponding path program 1 times [2019-11-25 08:50:46,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:46,276 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803047480] [2019-11-25 08:50:46,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:46,479 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:46,480 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803047480] [2019-11-25 08:50:46,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:46,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:50:46,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722093771] [2019-11-25 08:50:46,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:50:46,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:46,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:50:46,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:50:46,482 INFO L87 Difference]: Start difference. First operand 2923 states and 3445 transitions. Second operand 5 states. [2019-11-25 08:50:47,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:47,613 INFO L93 Difference]: Finished difference Result 7373 states and 8583 transitions. [2019-11-25 08:50:47,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:50:47,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 268 [2019-11-25 08:50:47,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:47,625 INFO L225 Difference]: With dead ends: 7373 [2019-11-25 08:50:47,625 INFO L226 Difference]: Without dead ends: 2645 [2019-11-25 08:50:47,629 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:50:47,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2019-11-25 08:50:47,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2367. [2019-11-25 08:50:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2019-11-25 08:50:47,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2650 transitions. [2019-11-25 08:50:47,672 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2650 transitions. Word has length 268 [2019-11-25 08:50:47,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:47,673 INFO L462 AbstractCegarLoop]: Abstraction has 2367 states and 2650 transitions. [2019-11-25 08:50:47,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:50:47,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2650 transitions. [2019-11-25 08:50:47,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2019-11-25 08:50:47,680 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:47,681 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:47,681 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:47,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:47,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1078107625, now seen corresponding path program 1 times [2019-11-25 08:50:47,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:47,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341416937] [2019-11-25 08:50:47,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:47,873 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-11-25 08:50:47,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341416937] [2019-11-25 08:50:47,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:47,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:50:47,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742794206] [2019-11-25 08:50:47,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:50:47,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:47,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:50:47,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:50:47,876 INFO L87 Difference]: Start difference. First operand 2367 states and 2650 transitions. Second operand 4 states. [2019-11-25 08:50:48,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:48,343 INFO L93 Difference]: Finished difference Result 2367 states and 2650 transitions. [2019-11-25 08:50:48,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:50:48,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 334 [2019-11-25 08:50:48,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:48,344 INFO L225 Difference]: With dead ends: 2367 [2019-11-25 08:50:48,344 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:50:48,346 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 [2019-11-25 08:50:48,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:50:48,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:50:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:50:48,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:50:48,347 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 334 [2019-11-25 08:50:48,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:48,347 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:48,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:50:48,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:50:48,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:50:48,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:50:48,785 WARN L192 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2019-11-25 08:50:49,178 WARN L192 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2019-11-25 08:50:49,182 INFO L444 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-25 08:50:49,182 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,182 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,182 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,182 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,182 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,182 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,182 INFO L444 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-25 08:50:49,182 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-25 08:50:49,183 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-25 08:50:49,183 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-25 08:50:49,183 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-25 08:50:49,183 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-25 08:50:49,183 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-25 08:50:49,183 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-25 08:50:49,183 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-25 08:50:49,183 INFO L444 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-25 08:50:49,183 INFO L444 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-25 08:50:49,183 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,184 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,184 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,184 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,184 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,184 INFO L444 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-25 08:50:49,184 INFO L444 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-25 08:50:49,184 INFO L444 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-25 08:50:49,184 INFO L444 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-25 08:50:49,184 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-25 08:50:49,184 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-25 08:50:49,185 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-25 08:50:49,185 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-25 08:50:49,185 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-25 08:50:49,185 INFO L444 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-25 08:50:49,185 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-25 08:50:49,185 INFO L444 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-25 08:50:49,185 INFO L444 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-25 08:50:49,185 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-25 08:50:49,185 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,185 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,186 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,186 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,186 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,186 INFO L444 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-25 08:50:49,186 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-25 08:50:49,186 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-25 08:50:49,186 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-25 08:50:49,186 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-25 08:50:49,186 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-25 08:50:49,187 INFO L440 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (= ~a10~0 3))) (.cse0 (<= ~a1~0 38)) (.cse1 (not (= ~a19~0 10)))) (or (and (= ~a10~0 2) (= ~a19~0 7)) (= ~a19~0 9) (and .cse0 .cse1 (not (= ~a19~0 6))) (and .cse2 .cse0 .cse1) (and .cse2 (= ~a19~0 8)) (and .cse0 .cse1 (< 0 (+ ~a1~0 13))) (<= ~a10~0 1))) [2019-11-25 08:50:49,187 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-25 08:50:49,187 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-25 08:50:49,187 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-25 08:50:49,187 INFO L444 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-25 08:50:49,187 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,187 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,187 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,188 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,188 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,188 INFO L444 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-25 08:50:49,188 INFO L444 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-25 08:50:49,188 INFO L444 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-25 08:50:49,188 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-25 08:50:49,188 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-25 08:50:49,188 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-25 08:50:49,188 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-25 08:50:49,188 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-25 08:50:49,189 INFO L444 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-25 08:50:49,196 INFO L444 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-25 08:50:49,196 INFO L447 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-25 08:50:49,196 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-25 08:50:49,196 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-25 08:50:49,196 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-25 08:50:49,196 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,196 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,196 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,196 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,197 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,197 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-25 08:50:49,197 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-25 08:50:49,197 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-25 08:50:49,197 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-25 08:50:49,197 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-25 08:50:49,197 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-25 08:50:49,197 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-25 08:50:49,197 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-25 08:50:49,197 INFO L444 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-25 08:50:49,198 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,198 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,198 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,198 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,198 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,198 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-25 08:50:49,198 INFO L444 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-25 08:50:49,198 INFO L444 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-25 08:50:49,198 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-25 08:50:49,198 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-25 08:50:49,198 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-25 08:50:49,199 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-25 08:50:49,199 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-25 08:50:49,199 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-25 08:50:49,199 INFO L444 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-25 08:50:49,199 INFO L444 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-25 08:50:49,199 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:50:49,199 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-25 08:50:49,199 INFO L440 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (not (= ~a10~0 3))) (.cse0 (<= ~a1~0 38)) (.cse1 (not (= ~a19~0 10)))) (or (and (= ~a10~0 2) (= ~a19~0 7)) (= ~a19~0 9) (and .cse0 .cse1 (not (= ~a19~0 6))) (and .cse2 .cse0 .cse1) (and .cse2 (= ~a19~0 8)) (and .cse0 .cse1 (< 0 (+ ~a1~0 13))) (<= ~a10~0 1))) [2019-11-25 08:50:49,199 INFO L444 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-25 08:50:49,200 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,200 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,200 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,200 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,200 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-25 08:50:49,200 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,200 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,200 INFO L444 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-25 08:50:49,200 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-25 08:50:49,200 INFO L444 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-25 08:50:49,201 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-25 08:50:49,201 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-25 08:50:49,201 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-25 08:50:49,201 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-25 08:50:49,201 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-25 08:50:49,201 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-25 08:50:49,201 INFO L444 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-25 08:50:49,201 INFO L444 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-25 08:50:49,201 INFO L444 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-25 08:50:49,201 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-25 08:50:49,202 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,202 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,202 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,203 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,203 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,203 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,203 INFO L444 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-25 08:50:49,204 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-25 08:50:49,204 INFO L444 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-25 08:50:49,204 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:50:49,204 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-25 08:50:49,204 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-25 08:50:49,204 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-25 08:50:49,204 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-25 08:50:49,204 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-25 08:50:49,205 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-25 08:50:49,205 INFO L444 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-25 08:50:49,205 INFO L444 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-25 08:50:49,205 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-25 08:50:49,205 INFO L444 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-25 08:50:49,205 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-25 08:50:49,205 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-25 08:50:49,206 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,206 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,206 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,206 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,206 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,206 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,206 INFO L444 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-25 08:50:49,206 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-25 08:50:49,207 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-25 08:50:49,207 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-25 08:50:49,207 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-25 08:50:49,207 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-25 08:50:49,207 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:50:49,207 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-25 08:50:49,207 INFO L444 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-25 08:50:49,212 INFO L444 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-25 08:50:49,212 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-25 08:50:49,212 INFO L444 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-25 08:50:49,212 INFO L444 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-25 08:50:49,212 INFO L444 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-25 08:50:49,212 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,212 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,213 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,213 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,213 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,213 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,213 INFO L444 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-25 08:50:49,213 INFO L444 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-25 08:50:49,213 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-25 08:50:49,214 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-25 08:50:49,214 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-25 08:50:49,214 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-25 08:50:49,214 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-25 08:50:49,214 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-25 08:50:49,214 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-25 08:50:49,214 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-25 08:50:49,215 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-25 08:50:49,215 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:50:49,215 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2019-11-25 08:50:49,215 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-25 08:50:49,215 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,215 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,215 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,216 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,216 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,216 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-25 08:50:49,216 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-25 08:50:49,216 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-25 08:50:49,216 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-25 08:50:49,216 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-25 08:50:49,216 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-25 08:50:49,217 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-25 08:50:49,217 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-25 08:50:49,217 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-25 08:50:49,217 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-25 08:50:49,217 INFO L444 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-25 08:50:49,217 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-25 08:50:49,217 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-25 08:50:49,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:50:49 BoogieIcfgContainer [2019-11-25 08:50:49,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:50:49,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:50:49,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:50:49,254 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:50:49,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:38" (3/4) ... [2019-11-25 08:50:49,258 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:50:49,284 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-25 08:50:49,286 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:50:49,463 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f951458e-4af1-4bc3-b651-38eaf3d1195e/bin/uautomizer/witness.graphml [2019-11-25 08:50:49,463 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:50:49,465 INFO L168 Benchmark]: Toolchain (without parser) took 13447.09 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 417.9 MB). Free memory was 946.1 MB in the beginning and 1.4 GB in the end (delta: -412.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:49,465 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. [2019-11-25 08:50:49,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:49,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.05 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:49,466 INFO L168 Benchmark]: Boogie Preprocessor took 88.41 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:49,466 INFO L168 Benchmark]: RCFGBuilder took 1190.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.6 MB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:49,467 INFO L168 Benchmark]: TraceAbstraction took 11204.52 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 274.2 MB). Free memory was 991.6 MB in the beginning and 1.4 GB in the end (delta: -394.2 MB). Peak memory consumption was 455.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:49,467 INFO L168 Benchmark]: Witness Printer took 209.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:49,469 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 629.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.05 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.41 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1190.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.6 MB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11204.52 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 274.2 MB). Free memory was 991.6 MB in the beginning and 1.4 GB in the end (delta: -394.2 MB). Peak memory consumption was 455.3 MB. Max. memory is 11.5 GB. * Witness Printer took 209.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: 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: 582]: Loop Invariant Derived loop invariant: ((((((a10 == 2 && a19 == 7) || a19 == 9) || ((a1 <= 38 && !(a19 == 10)) && !(a19 == 6))) || ((!(a10 == 3) && a1 <= 38) && !(a19 == 10))) || (!(a10 == 3) && a19 == 8)) || ((a1 <= 38 && !(a19 == 10)) && 0 < a1 + 13)) || a10 <= 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((a10 == 2 && a19 == 7) || a19 == 9) || ((a1 <= 38 && !(a19 == 10)) && !(a19 == 6))) || ((!(a10 == 3) && a1 <= 38) && !(a19 == 10))) || (!(a10 == 3) && a19 == 8)) || ((a1 <= 38 && !(a19 == 10)) && 0 < a1 + 13)) || a10 <= 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 11.1s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 451 SDtfs, 2043 SDslu, 87 SDs, 0 SdLazy, 5835 SolverSat, 882 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 140 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2923occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 2363 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 66 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 998 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2178 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1676 NumberOfCodeBlocks, 1676 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1667 ConstructedInterpolants, 0 QuantifiedInterpolants, 977427 SizeOfPredicates, 1 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 1142/1143 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...