./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label15.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label15.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/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 a36e59b73de737948c8406f65f182e859a67435b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:42:21,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:42:21,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:42:21,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:42:21,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:42:21,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:42:21,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:42:21,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:42:21,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:42:21,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:42:21,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:42:21,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:42:21,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:42:21,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:42:21,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:42:21,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:42:21,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:42:21,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:42:21,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:42:21,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:42:21,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:42:21,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:42:21,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:42:21,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:42:21,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:42:21,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:42:21,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:42:21,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:42:21,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:42:21,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:42:21,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:42:21,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:42:21,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:42:21,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:42:21,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:42:21,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:42:21,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:42:21,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:42:21,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:42:21,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:42:21,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:42:21,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:42:21,883 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:42:21,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:42:21,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:42:21,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:42:21,887 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:42:21,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:42:21,888 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:42:21,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:42:21,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:42:21,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:42:21,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:42:21,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:42:21,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:42:21,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:42:21,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:42:21,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:42:21,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:42:21,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:42:21,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:42:21,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:42:21,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:42:21,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:42:21,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:42:21,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:42:21,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:42:21,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:42:21,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:42:21,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:42:21,894 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_5994e9ae-af7f-4543-803a-7c55caac8583/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 -> a36e59b73de737948c8406f65f182e859a67435b [2019-11-20 05:42:22,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:42:22,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:42:22,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:42:22,110 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:42:22,111 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:42:22,111 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label15.c [2019-11-20 05:42:22,172 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/bin/uautomizer/data/7a2a3b89b/21f6afbc42eb4a67910c36d5499e1736/FLAG6aaf709d3 [2019-11-20 05:42:22,686 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:42:22,686 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/sv-benchmarks/c/eca-rers2012/Problem02_label15.c [2019-11-20 05:42:22,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/bin/uautomizer/data/7a2a3b89b/21f6afbc42eb4a67910c36d5499e1736/FLAG6aaf709d3 [2019-11-20 05:42:22,998 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/bin/uautomizer/data/7a2a3b89b/21f6afbc42eb4a67910c36d5499e1736 [2019-11-20 05:42:23,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:42:23,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:42:23,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:42:23,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:42:23,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:42:23,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:42:22" (1/1) ... [2019-11-20 05:42:23,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9c4f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:23, skipping insertion in model container [2019-11-20 05:42:23,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:42:22" (1/1) ... [2019-11-20 05:42:23,016 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:42:23,067 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:42:23,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:42:23,549 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:42:23,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:42:23,698 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:42:23,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:23 WrapperNode [2019-11-20 05:42:23,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:42:23,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:42:23,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:42:23,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:42:23,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:23" (1/1) ... [2019-11-20 05:42:23,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:23" (1/1) ... [2019-11-20 05:42:23,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:42:23,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:42:23,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:42:23,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:42:23,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:23" (1/1) ... [2019-11-20 05:42:23,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:23" (1/1) ... [2019-11-20 05:42:23,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:23" (1/1) ... [2019-11-20 05:42:23,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:23" (1/1) ... [2019-11-20 05:42:23,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:23" (1/1) ... [2019-11-20 05:42:23,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:23" (1/1) ... [2019-11-20 05:42:23,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:23" (1/1) ... [2019-11-20 05:42:23,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:42:23,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:42:23,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:42:23,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:42:23,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:42:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:42:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:42:25,136 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:42:25,137 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 05:42:25,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:25 BoogieIcfgContainer [2019-11-20 05:42:25,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:42:25,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:42:25,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:42:25,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:42:25,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:42:22" (1/3) ... [2019-11-20 05:42:25,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14734e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:42:25, skipping insertion in model container [2019-11-20 05:42:25,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:23" (2/3) ... [2019-11-20 05:42:25,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14734e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:42:25, skipping insertion in model container [2019-11-20 05:42:25,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:25" (3/3) ... [2019-11-20 05:42:25,149 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label15.c [2019-11-20 05:42:25,159 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:42:25,167 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 05:42:25,179 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 05:42:25,232 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:42:25,233 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:42:25,233 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:42:25,233 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:42:25,233 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:42:25,234 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:42:25,234 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:42:25,234 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:42:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-20 05:42:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 05:42:25,270 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:42:25,271 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:42:25,271 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:42:25,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:42:25,276 INFO L82 PathProgramCache]: Analyzing trace with hash -648019827, now seen corresponding path program 1 times [2019-11-20 05:42:25,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:42:25,283 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140015240] [2019-11-20 05:42:25,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:42:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:42:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:42:25,832 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140015240] [2019-11-20 05:42:25,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:42:25,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:42:25,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284632231] [2019-11-20 05:42:25,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:42:25,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:42:25,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:42:25,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:42:25,864 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-20 05:42:27,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:42:27,309 INFO L93 Difference]: Finished difference Result 789 states and 1377 transitions. [2019-11-20 05:42:27,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:42:27,310 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2019-11-20 05:42:27,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:42:27,326 INFO L225 Difference]: With dead ends: 789 [2019-11-20 05:42:27,326 INFO L226 Difference]: Without dead ends: 465 [2019-11-20 05:42:27,330 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:42:27,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-11-20 05:42:27,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 309. [2019-11-20 05:42:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-11-20 05:42:27,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 453 transitions. [2019-11-20 05:42:27,397 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 453 transitions. Word has length 130 [2019-11-20 05:42:27,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:42:27,398 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 453 transitions. [2019-11-20 05:42:27,398 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:42:27,398 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 453 transitions. [2019-11-20 05:42:27,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 05:42:27,402 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:42:27,402 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:42:27,402 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:42:27,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:42:27,403 INFO L82 PathProgramCache]: Analyzing trace with hash 208795960, now seen corresponding path program 1 times [2019-11-20 05:42:27,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:42:27,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848183880] [2019-11-20 05:42:27,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:42:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:42:27,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:42:27,604 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848183880] [2019-11-20 05:42:27,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:42:27,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:42:27,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128705166] [2019-11-20 05:42:27,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:42:27,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:42:27,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:42:27,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:42:27,610 INFO L87 Difference]: Start difference. First operand 309 states and 453 transitions. Second operand 4 states. [2019-11-20 05:42:28,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:42:28,510 INFO L93 Difference]: Finished difference Result 980 states and 1479 transitions. [2019-11-20 05:42:28,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:42:28,511 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2019-11-20 05:42:28,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:42:28,515 INFO L225 Difference]: With dead ends: 980 [2019-11-20 05:42:28,515 INFO L226 Difference]: Without dead ends: 590 [2019-11-20 05:42:28,517 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:42:28,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-11-20 05:42:28,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2019-11-20 05:42:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2019-11-20 05:42:28,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 788 transitions. [2019-11-20 05:42:28,557 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 788 transitions. Word has length 134 [2019-11-20 05:42:28,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:42:28,557 INFO L462 AbstractCegarLoop]: Abstraction has 590 states and 788 transitions. [2019-11-20 05:42:28,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:42:28,557 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 788 transitions. [2019-11-20 05:42:28,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 05:42:28,563 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:42:28,564 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:42:28,564 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:42:28,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:42:28,564 INFO L82 PathProgramCache]: Analyzing trace with hash -402206747, now seen corresponding path program 1 times [2019-11-20 05:42:28,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:42:28,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684590394] [2019-11-20 05:42:28,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:42:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:42:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:42:28,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684590394] [2019-11-20 05:42:28,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:42:28,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:42:28,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651267013] [2019-11-20 05:42:28,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:42:28,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:42:28,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:42:28,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:42:28,679 INFO L87 Difference]: Start difference. First operand 590 states and 788 transitions. Second operand 4 states. [2019-11-20 05:42:29,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:42:29,536 INFO L93 Difference]: Finished difference Result 2306 states and 3087 transitions. [2019-11-20 05:42:29,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:42:29,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2019-11-20 05:42:29,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:42:29,545 INFO L225 Difference]: With dead ends: 2306 [2019-11-20 05:42:29,546 INFO L226 Difference]: Without dead ends: 1718 [2019-11-20 05:42:29,547 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:42:29,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2019-11-20 05:42:29,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1572. [2019-11-20 05:42:29,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1572 states. [2019-11-20 05:42:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 1965 transitions. [2019-11-20 05:42:29,590 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 1965 transitions. Word has length 160 [2019-11-20 05:42:29,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:42:29,591 INFO L462 AbstractCegarLoop]: Abstraction has 1572 states and 1965 transitions. [2019-11-20 05:42:29,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:42:29,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1965 transitions. [2019-11-20 05:42:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-20 05:42:29,596 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:42:29,596 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:42:29,596 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:42:29,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:42:29,597 INFO L82 PathProgramCache]: Analyzing trace with hash 864996295, now seen corresponding path program 1 times [2019-11-20 05:42:29,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:42:29,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400320805] [2019-11-20 05:42:29,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:42:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:42:29,702 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:42:29,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400320805] [2019-11-20 05:42:29,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:42:29,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:42:29,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757150293] [2019-11-20 05:42:29,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:42:29,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:42:29,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:42:29,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:42:29,704 INFO L87 Difference]: Start difference. First operand 1572 states and 1965 transitions. Second operand 4 states. [2019-11-20 05:42:30,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:42:30,668 INFO L93 Difference]: Finished difference Result 4277 states and 5403 transitions. [2019-11-20 05:42:30,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:42:30,672 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 168 [2019-11-20 05:42:30,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:42:30,688 INFO L225 Difference]: With dead ends: 4277 [2019-11-20 05:42:30,688 INFO L226 Difference]: Without dead ends: 2707 [2019-11-20 05:42:30,692 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:42:30,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2019-11-20 05:42:30,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 1855. [2019-11-20 05:42:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1855 states. [2019-11-20 05:42:30,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2281 transitions. [2019-11-20 05:42:30,759 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2281 transitions. Word has length 168 [2019-11-20 05:42:30,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:42:30,761 INFO L462 AbstractCegarLoop]: Abstraction has 1855 states and 2281 transitions. [2019-11-20 05:42:30,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:42:30,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2281 transitions. [2019-11-20 05:42:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-11-20 05:42:30,766 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:42:30,767 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:42:30,767 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:42:30,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:42:30,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1353288396, now seen corresponding path program 1 times [2019-11-20 05:42:30,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:42:30,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482026565] [2019-11-20 05:42:30,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:42:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:42:30,975 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:42:30,976 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482026565] [2019-11-20 05:42:30,976 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995211730] [2019-11-20 05:42:30,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/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 [2019-11-20 05:42:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:42:31,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:42:31,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:42:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-20 05:42:31,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:42:31,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-11-20 05:42:31,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214943174] [2019-11-20 05:42:31,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:42:31,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:42:31,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:42:31,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:42:31,173 INFO L87 Difference]: Start difference. First operand 1855 states and 2281 transitions. Second operand 3 states. [2019-11-20 05:42:31,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:42:31,813 INFO L93 Difference]: Finished difference Result 4267 states and 5231 transitions. [2019-11-20 05:42:31,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:42:31,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-11-20 05:42:31,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:42:31,827 INFO L225 Difference]: With dead ends: 4267 [2019-11-20 05:42:31,827 INFO L226 Difference]: Without dead ends: 2414 [2019-11-20 05:42:31,832 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:42:31,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-11-20 05:42:31,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 1994. [2019-11-20 05:42:31,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2019-11-20 05:42:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2442 transitions. [2019-11-20 05:42:31,882 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2442 transitions. Word has length 171 [2019-11-20 05:42:31,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:42:31,883 INFO L462 AbstractCegarLoop]: Abstraction has 1994 states and 2442 transitions. [2019-11-20 05:42:31,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:42:31,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2442 transitions. [2019-11-20 05:42:31,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-20 05:42:31,888 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:42:31,889 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:42:32,092 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:42:32,093 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:42:32,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:42:32,094 INFO L82 PathProgramCache]: Analyzing trace with hash 141468647, now seen corresponding path program 1 times [2019-11-20 05:42:32,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:42:32,094 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061392466] [2019-11-20 05:42:32,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:42:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:42:32,204 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 05:42:32,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061392466] [2019-11-20 05:42:32,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:42:32,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:42:32,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738141404] [2019-11-20 05:42:32,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:42:32,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:42:32,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:42:32,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:42:32,207 INFO L87 Difference]: Start difference. First operand 1994 states and 2442 transitions. Second operand 3 states. [2019-11-20 05:42:32,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:42:32,670 INFO L93 Difference]: Finished difference Result 4272 states and 5182 transitions. [2019-11-20 05:42:32,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:42:32,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-11-20 05:42:32,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:42:32,684 INFO L225 Difference]: With dead ends: 4272 [2019-11-20 05:42:32,684 INFO L226 Difference]: Without dead ends: 2140 [2019-11-20 05:42:32,687 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:42:32,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2019-11-20 05:42:32,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1994. [2019-11-20 05:42:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2019-11-20 05:42:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2341 transitions. [2019-11-20 05:42:32,734 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2341 transitions. Word has length 181 [2019-11-20 05:42:32,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:42:32,734 INFO L462 AbstractCegarLoop]: Abstraction has 1994 states and 2341 transitions. [2019-11-20 05:42:32,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:42:32,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2341 transitions. [2019-11-20 05:42:32,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 05:42:32,740 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:42:32,741 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:42:32,741 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:42:32,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:42:32,741 INFO L82 PathProgramCache]: Analyzing trace with hash -99265028, now seen corresponding path program 1 times [2019-11-20 05:42:32,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:42:32,742 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091484018] [2019-11-20 05:42:32,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:42:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:42:32,842 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:42:32,843 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091484018] [2019-11-20 05:42:32,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:42:32,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:42:32,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165708428] [2019-11-20 05:42:32,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:42:32,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:42:32,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:42:32,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:42:32,846 INFO L87 Difference]: Start difference. First operand 1994 states and 2341 transitions. Second operand 3 states. [2019-11-20 05:42:33,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:42:33,427 INFO L93 Difference]: Finished difference Result 4822 states and 5634 transitions. [2019-11-20 05:42:33,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:42:33,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-11-20 05:42:33,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:42:33,440 INFO L225 Difference]: With dead ends: 4822 [2019-11-20 05:42:33,440 INFO L226 Difference]: Without dead ends: 2129 [2019-11-20 05:42:33,445 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:42:33,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2019-11-20 05:42:33,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 1989. [2019-11-20 05:42:33,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1989 states. [2019-11-20 05:42:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1989 states and 2227 transitions. [2019-11-20 05:42:33,491 INFO L78 Accepts]: Start accepts. Automaton has 1989 states and 2227 transitions. Word has length 183 [2019-11-20 05:42:33,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:42:33,491 INFO L462 AbstractCegarLoop]: Abstraction has 1989 states and 2227 transitions. [2019-11-20 05:42:33,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:42:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2227 transitions. [2019-11-20 05:42:33,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-11-20 05:42:33,499 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:42:33,499 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:42:33,499 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:42:33,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:42:33,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1648518522, now seen corresponding path program 1 times [2019-11-20 05:42:33,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:42:33,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328808463] [2019-11-20 05:42:33,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:42:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:42:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 05:42:33,734 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328808463] [2019-11-20 05:42:33,735 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32552353] [2019-11-20 05:42:33,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:42:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:42:33,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:42:33,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:42:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 05:42:33,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:42:33,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-11-20 05:42:33,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366102426] [2019-11-20 05:42:33,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:42:33,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:42:33,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:42:33,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:42:33,891 INFO L87 Difference]: Start difference. First operand 1989 states and 2227 transitions. Second operand 3 states. [2019-11-20 05:42:34,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:42:34,132 INFO L93 Difference]: Finished difference Result 3545 states and 3921 transitions. [2019-11-20 05:42:34,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:42:34,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2019-11-20 05:42:34,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:42:34,139 INFO L225 Difference]: With dead ends: 3545 [2019-11-20 05:42:34,139 INFO L226 Difference]: Without dead ends: 1274 [2019-11-20 05:42:34,143 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:42:34,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2019-11-20 05:42:34,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1274. [2019-11-20 05:42:34,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2019-11-20 05:42:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1372 transitions. [2019-11-20 05:42:34,169 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1372 transitions. Word has length 198 [2019-11-20 05:42:34,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:42:34,169 INFO L462 AbstractCegarLoop]: Abstraction has 1274 states and 1372 transitions. [2019-11-20 05:42:34,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:42:34,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1372 transitions. [2019-11-20 05:42:34,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-11-20 05:42:34,175 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:42:34,175 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:42:34,380 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:42:34,380 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:42:34,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:42:34,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1576967456, now seen corresponding path program 1 times [2019-11-20 05:42:34,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:42:34,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118127887] [2019-11-20 05:42:34,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:42:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:42:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:42:34,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118127887] [2019-11-20 05:42:34,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:42:34,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 05:42:34,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003011952] [2019-11-20 05:42:34,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 05:42:34,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:42:34,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 05:42:34,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:42:34,608 INFO L87 Difference]: Start difference. First operand 1274 states and 1372 transitions. Second operand 7 states. [2019-11-20 05:42:35,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:42:35,779 INFO L93 Difference]: Finished difference Result 2710 states and 2934 transitions. [2019-11-20 05:42:35,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 05:42:35,779 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2019-11-20 05:42:35,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:42:35,784 INFO L225 Difference]: With dead ends: 2710 [2019-11-20 05:42:35,784 INFO L226 Difference]: Without dead ends: 1295 [2019-11-20 05:42:35,786 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-20 05:42:35,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2019-11-20 05:42:35,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1274. [2019-11-20 05:42:35,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2019-11-20 05:42:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1333 transitions. [2019-11-20 05:42:35,807 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1333 transitions. Word has length 203 [2019-11-20 05:42:35,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:42:35,808 INFO L462 AbstractCegarLoop]: Abstraction has 1274 states and 1333 transitions. [2019-11-20 05:42:35,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 05:42:35,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1333 transitions. [2019-11-20 05:42:35,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-11-20 05:42:35,812 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:42:35,812 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:42:35,813 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:42:35,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:42:35,813 INFO L82 PathProgramCache]: Analyzing trace with hash -473711658, now seen corresponding path program 1 times [2019-11-20 05:42:35,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:42:35,814 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000347262] [2019-11-20 05:42:35,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:42:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:42:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:42:35,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000347262] [2019-11-20 05:42:35,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:42:35,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:42:35,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186265895] [2019-11-20 05:42:35,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:42:35,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:42:35,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:42:35,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:42:35,951 INFO L87 Difference]: Start difference. First operand 1274 states and 1333 transitions. Second operand 4 states. [2019-11-20 05:42:36,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:42:36,594 INFO L93 Difference]: Finished difference Result 2688 states and 2810 transitions. [2019-11-20 05:42:36,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:42:36,594 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 207 [2019-11-20 05:42:36,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:42:36,600 INFO L225 Difference]: With dead ends: 2688 [2019-11-20 05:42:36,601 INFO L226 Difference]: Without dead ends: 1416 [2019-11-20 05:42:36,602 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:42:36,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2019-11-20 05:42:36,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1274. [2019-11-20 05:42:36,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2019-11-20 05:42:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1316 transitions. [2019-11-20 05:42:36,622 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1316 transitions. Word has length 207 [2019-11-20 05:42:36,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:42:36,623 INFO L462 AbstractCegarLoop]: Abstraction has 1274 states and 1316 transitions. [2019-11-20 05:42:36,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:42:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1316 transitions. [2019-11-20 05:42:36,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 05:42:36,627 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:42:36,627 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:42:36,628 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:42:36,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:42:36,628 INFO L82 PathProgramCache]: Analyzing trace with hash 283278328, now seen corresponding path program 1 times [2019-11-20 05:42:36,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:42:36,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614631760] [2019-11-20 05:42:36,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:42:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:42:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 05:42:36,805 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614631760] [2019-11-20 05:42:36,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:42:36,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:42:36,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688352542] [2019-11-20 05:42:36,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:42:36,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:42:36,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:42:36,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:42:36,807 INFO L87 Difference]: Start difference. First operand 1274 states and 1316 transitions. Second operand 4 states. [2019-11-20 05:42:37,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:42:37,612 INFO L93 Difference]: Finished difference Result 2543 states and 2631 transitions. [2019-11-20 05:42:37,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:42:37,613 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 228 [2019-11-20 05:42:37,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:42:37,613 INFO L225 Difference]: With dead ends: 2543 [2019-11-20 05:42:37,613 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:42:37,616 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:42:37,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:42:37,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:42:37,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:42:37,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:42:37,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2019-11-20 05:42:37,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:42:37,617 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:42:37,617 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:42:37,617 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:42:37,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:42:37,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 05:42:38,405 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2019-11-20 05:42:38,974 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2019-11-20 05:42:38,977 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,977 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,977 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,977 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-20 05:42:38,977 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-20 05:42:38,977 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-20 05:42:38,977 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-20 05:42:38,977 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-20 05:42:38,977 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-20 05:42:38,977 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-20 05:42:38,977 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,977 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,977 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,978 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-20 05:42:38,978 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-20 05:42:38,978 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-20 05:42:38,978 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-20 05:42:38,978 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-20 05:42:38,978 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-20 05:42:38,978 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-20 05:42:38,978 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,978 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,980 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,981 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-20 05:42:38,981 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-20 05:42:38,981 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-20 05:42:38,981 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-20 05:42:38,981 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-20 05:42:38,981 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,981 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,981 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,981 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-20 05:42:38,981 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-20 05:42:38,981 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-20 05:42:38,981 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-20 05:42:38,981 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-20 05:42:38,982 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,983 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-20 05:42:38,984 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-20 05:42:38,985 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-20 05:42:38,985 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 05:42:38,985 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-20 05:42:38,985 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-20 05:42:38,985 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-20 05:42:38,992 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,992 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,992 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,992 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-20 05:42:38,992 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-20 05:42:38,992 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-20 05:42:38,992 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-20 05:42:38,993 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-20 05:42:38,993 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,993 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,993 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,993 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-20 05:42:38,993 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-20 05:42:38,993 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-20 05:42:38,993 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-20 05:42:38,994 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-20 05:42:38,994 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-20 05:42:38,994 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-20 05:42:38,994 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-20 05:42:38,994 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-20 05:42:38,994 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-20 05:42:38,994 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 05:42:38,995 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 562) no Hoare annotation was computed. [2019-11-20 05:42:38,995 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-20 05:42:38,995 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,995 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,995 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-20 05:42:38,996 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-20 05:42:38,996 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-20 05:42:38,996 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-20 05:42:38,996 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-20 05:42:38,996 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-20 05:42:38,996 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-20 05:42:38,996 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-20 05:42:38,996 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-20 05:42:38,998 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse7 (= ~a25~0 1)) (.cse6 (= ~a19~0 1))) (let ((.cse3 (= ~a28~0 9)) (.cse16 (not .cse6)) (.cse9 (not .cse7)) (.cse13 (not (= ~a28~0 11))) (.cse15 (= 10 ~a28~0))) (let ((.cse1 (= ~a28~0 7)) (.cse5 (= ~a11~0 1)) (.cse11 (not .cse15)) (.cse14 (or (and (<= ~a19~0 0) .cse9) (and .cse16 .cse9 .cse13))) (.cse4 (and .cse16 .cse13)) (.cse8 (<= 8 ~a17~0)) (.cse10 (<= ~a17~0 8)) (.cse12 (not .cse3)) (.cse0 (= ~a17~0 8)) (.cse2 (= ~a21~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse7) (and .cse4 .cse8 .cse5) (and .cse9 .cse10 .cse5) (and .cse11 .cse8 .cse10 .cse7 .cse12 .cse13) (and .cse14 .cse5) (and .cse1 .cse10 .cse5) (and .cse11 (and .cse14 .cse10)) (and (not (= 5 ULTIMATE.start_calculate_output_~input)) .cse0 .cse6 .cse15 .cse2) (and (and .cse4 .cse8 .cse10) .cse7 .cse12) (and .cse3 .cse0 .cse9 .cse2))))) [2019-11-20 05:42:38,998 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,999 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:38,999 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-20 05:42:38,999 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-20 05:42:38,999 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-20 05:42:38,999 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-20 05:42:38,999 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-20 05:42:38,999 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-20 05:42:39,000 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-20 05:42:39,000 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,000 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,000 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-20 05:42:39,000 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-20 05:42:39,000 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-20 05:42:39,000 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-20 05:42:39,000 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-20 05:42:39,001 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-20 05:42:39,001 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-20 05:42:39,001 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-20 05:42:39,001 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-20 05:42:39,001 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,001 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,001 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-20 05:42:39,001 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-20 05:42:39,002 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-20 05:42:39,002 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-20 05:42:39,002 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-20 05:42:39,002 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-20 05:42:39,002 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= ~a25~0 1)) (.cse6 (= ~a19~0 1))) (let ((.cse3 (= ~a28~0 9)) (.cse16 (not .cse6)) (.cse9 (not .cse7)) (.cse13 (not (= ~a28~0 11))) (.cse15 (= 10 ~a28~0))) (let ((.cse1 (= ~a28~0 7)) (.cse5 (= ~a11~0 1)) (.cse11 (not .cse15)) (.cse14 (or (and (<= ~a19~0 0) .cse9) (and .cse16 .cse9 .cse13))) (.cse4 (and .cse16 .cse13)) (.cse8 (<= 8 ~a17~0)) (.cse10 (<= ~a17~0 8)) (.cse12 (not .cse3)) (.cse0 (= ~a17~0 8)) (.cse2 (= ~a21~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse7) (and .cse4 .cse8 .cse5) (and .cse9 .cse10 .cse5) (and .cse11 .cse8 .cse10 .cse7 .cse12 .cse13) (and .cse14 .cse5) (and .cse1 .cse10 .cse5) (and .cse11 (and .cse14 .cse10)) (and (not (= 5 ULTIMATE.start_calculate_output_~input)) .cse0 .cse6 .cse15 .cse2) (and (and .cse4 .cse8 .cse10) .cse7 .cse12) (and .cse3 .cse0 .cse9 .cse2))))) [2019-11-20 05:42:39,002 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,003 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,003 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-20 05:42:39,003 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-20 05:42:39,003 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-20 05:42:39,003 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-20 05:42:39,003 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-20 05:42:39,003 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,003 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,004 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-20 05:42:39,004 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-20 05:42:39,004 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-20 05:42:39,004 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-20 05:42:39,004 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-20 05:42:39,004 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-20 05:42:39,004 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-20 05:42:39,004 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-20 05:42:39,005 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-20 05:42:39,005 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,005 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,005 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-20 05:42:39,005 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,005 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-20 05:42:39,005 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-20 05:42:39,005 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-20 05:42:39,006 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-20 05:42:39,006 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-20 05:42:39,006 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 05:42:39,006 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-20 05:42:39,006 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,006 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,006 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,007 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-20 05:42:39,007 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-20 05:42:39,007 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-20 05:42:39,007 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-20 05:42:39,007 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-20 05:42:39,007 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,007 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,007 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,008 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-20 05:42:39,008 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-20 05:42:39,008 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-20 05:42:39,008 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-20 05:42:39,008 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-20 05:42:39,008 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-20 05:42:39,008 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,008 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,009 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,009 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-20 05:42:39,010 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-20 05:42:39,010 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-20 05:42:39,010 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-20 05:42:39,010 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-20 05:42:39,010 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-20 05:42:39,010 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 05:42:39,011 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-20 05:42:39,011 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-20 05:42:39,011 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,011 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,011 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,011 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-20 05:42:39,011 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-20 05:42:39,012 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-20 05:42:39,012 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-20 05:42:39,012 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-20 05:42:39,012 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,012 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,012 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:42:39,012 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-20 05:42:39,013 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-20 05:42:39,013 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-20 05:42:39,013 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-20 05:42:39,013 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-20 05:42:39,013 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-20 05:42:39,013 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-20 05:42:39,013 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-20 05:42:39,014 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-20 05:42:39,014 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-20 05:42:39,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:42:39 BoogieIcfgContainer [2019-11-20 05:42:39,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:42:39,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:42:39,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:42:39,052 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:42:39,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:25" (3/4) ... [2019-11-20 05:42:39,056 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:42:39,091 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 05:42:39,093 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 05:42:39,316 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5994e9ae-af7f-4543-803a-7c55caac8583/bin/uautomizer/witness.graphml [2019-11-20 05:42:39,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:42:39,318 INFO L168 Benchmark]: Toolchain (without parser) took 16317.17 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 375.9 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -252.0 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:42:39,318 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:42:39,319 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:42:39,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.68 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:42:39,320 INFO L168 Benchmark]: Boogie Preprocessor took 85.81 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:42:39,321 INFO L168 Benchmark]: RCFGBuilder took 1263.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.2 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:42:39,321 INFO L168 Benchmark]: TraceAbstraction took 13911.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 245.4 MB). Free memory was 982.2 MB in the beginning and 1.2 GB in the end (delta: -239.2 MB). Peak memory consumption was 394.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:42:39,322 INFO L168 Benchmark]: Witness Printer took 265.40 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:42:39,324 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 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 697.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.68 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.81 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1263.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.2 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13911.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 245.4 MB). Free memory was 982.2 MB in the beginning and 1.2 GB in the end (delta: -239.2 MB). Peak memory consumption was 394.7 MB. Max. memory is 11.5 GB. * Witness Printer took 265.40 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 562]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((a17 == 8 && a28 == 7) && a21 == 1) || ((a28 == 9 && !(a19 == 1) && !(a28 == 11)) && a11 == 1)) || (((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1)) || (((!(a19 == 1) && !(a28 == 11)) && 8 <= a17) && a11 == 1)) || ((!(a25 == 1) && a17 <= 8) && a11 == 1)) || (((((!(10 == a28) && 8 <= a17) && a17 <= 8) && a25 == 1) && !(a28 == 9)) && !(a28 == 11))) || (((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))) && a11 == 1)) || ((a28 == 7 && a17 <= 8) && a11 == 1)) || (!(10 == a28) && ((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))) && a17 <= 8)) || ((((!(5 == input) && a17 == 8) && a19 == 1) && 10 == a28) && a21 == 1)) || (((((!(a19 == 1) && !(a28 == 11)) && 8 <= a17) && a17 <= 8) && a25 == 1) && !(a28 == 9))) || (((a28 == 9 && a17 == 8) && !(a25 == 1)) && a21 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((((a17 == 8 && a28 == 7) && a21 == 1) || ((a28 == 9 && !(a19 == 1) && !(a28 == 11)) && a11 == 1)) || (((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1)) || (((!(a19 == 1) && !(a28 == 11)) && 8 <= a17) && a11 == 1)) || ((!(a25 == 1) && a17 <= 8) && a11 == 1)) || (((((!(10 == a28) && 8 <= a17) && a17 <= 8) && a25 == 1) && !(a28 == 9)) && !(a28 == 11))) || (((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))) && a11 == 1)) || ((a28 == 7 && a17 <= 8) && a11 == 1)) || (!(10 == a28) && ((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))) && a17 <= 8)) || ((((!(5 == input) && a17 == 8) && a19 == 1) && 10 == a28) && a21 == 1)) || (((((!(a19 == 1) && !(a28 == 11)) && 8 <= a17) && a17 <= 8) && a25 == 1) && !(a28 == 9))) || (((a28 == 9 && a17 == 8) && !(a25 == 1)) && a21 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 13.7s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, HoareTripleCheckerStatistics: 1262 SDtfs, 2480 SDslu, 295 SDs, 0 SdLazy, 6276 SolverSat, 996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 417 GetRequests, 381 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1994occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 2023 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 423 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2042 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1232 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2332 NumberOfCodeBlocks, 2332 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2319 ConstructedInterpolants, 0 QuantifiedInterpolants, 1339968 SizeOfPredicates, 1 NumberOfNonLiveVariables, 641 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 890/896 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...