./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label06.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/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 0d6d504be06c544abd3f98aa8e24c2240a31073b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:56,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:56,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:56,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:56,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:56,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:56,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:56,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:56,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:56,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:56,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:56,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:56,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:56,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:56,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:56,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:56,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:56,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:56,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:56,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:56,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:56,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:56,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:56,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:56,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:56,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:56,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:56,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:56,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:56,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:56,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:56,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:56,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:56,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:56,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:56,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:56,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:56,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:56,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:56,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:56,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:56,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:57,002 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:57,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:57,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:57,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:57,004 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:57,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:57,005 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:57,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:57,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:57,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:57,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:57,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:57,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:57,017 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:57,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:57,018 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:57,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:57,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:57,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:57,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:57,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:57,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:57,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:57,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:57,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:57,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:57,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:57,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:57,020 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/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/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 -> 0d6d504be06c544abd3f98aa8e24c2240a31073b [2019-10-22 09:02:57,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:57,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:57,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:57,082 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:57,082 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:57,083 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label06.c [2019-10-22 09:02:57,137 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/bin/uautomizer/data/94c165854/e3f433e2fdaa4919a95fca41ca235a6b/FLAG9d886bf5e [2019-10-22 09:02:57,617 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:57,617 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/sv-benchmarks/c/eca-rers2012/Problem14_label06.c [2019-10-22 09:02:57,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/bin/uautomizer/data/94c165854/e3f433e2fdaa4919a95fca41ca235a6b/FLAG9d886bf5e [2019-10-22 09:02:57,921 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/bin/uautomizer/data/94c165854/e3f433e2fdaa4919a95fca41ca235a6b [2019-10-22 09:02:57,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:57,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:57,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:57,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:57,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:57,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:57" (1/1) ... [2019-10-22 09:02:57,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201d2f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:57, skipping insertion in model container [2019-10-22 09:02:57,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:57" (1/1) ... [2019-10-22 09:02:57,947 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:58,025 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:58,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:58,538 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:58,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:58,703 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:58,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:58 WrapperNode [2019-10-22 09:02:58,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:58,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:58,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:58,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:58,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:58" (1/1) ... [2019-10-22 09:02:58,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:58" (1/1) ... [2019-10-22 09:02:58,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:58,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:58,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:58,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:58,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:58" (1/1) ... [2019-10-22 09:02:58,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:58" (1/1) ... [2019-10-22 09:02:58,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:58" (1/1) ... [2019-10-22 09:02:58,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:58" (1/1) ... [2019-10-22 09:02:58,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:58" (1/1) ... [2019-10-22 09:02:58,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:58" (1/1) ... [2019-10-22 09:02:58,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:58" (1/1) ... [2019-10-22 09:02:58,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:58,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:58,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:58,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:58,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/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 [2019-10-22 09:02:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:58,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:03:00,191 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:03:00,191 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:03:00,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:00 BoogieIcfgContainer [2019-10-22 09:03:00,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:03:00,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:03:00,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:03:00,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:03:00,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:57" (1/3) ... [2019-10-22 09:03:00,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fff780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:03:00, skipping insertion in model container [2019-10-22 09:03:00,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:58" (2/3) ... [2019-10-22 09:03:00,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fff780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:03:00, skipping insertion in model container [2019-10-22 09:03:00,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:00" (3/3) ... [2019-10-22 09:03:00,203 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label06.c [2019-10-22 09:03:00,213 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:03:00,221 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:03:00,233 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:03:00,265 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:03:00,265 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:03:00,265 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:03:00,266 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:03:00,266 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:03:00,266 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:03:00,266 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:03:00,267 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:03:00,292 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-10-22 09:03:00,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 09:03:00,304 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:00,305 INFO L380 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] [2019-10-22 09:03:00,307 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:00,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:00,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2019-10-22 09:03:00,323 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:00,323 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499898887] [2019-10-22 09:03:00,323 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:00,323 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:00,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:00,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:03:00,658 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499898887] [2019-10-22 09:03:00,659 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:00,659 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:00,659 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052488217] [2019-10-22 09:03:00,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:00,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:00,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:00,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:00,681 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-10-22 09:03:02,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:02,490 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-10-22 09:03:02,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:02,492 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-22 09:03:02,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:02,512 INFO L225 Difference]: With dead ends: 850 [2019-10-22 09:03:02,512 INFO L226 Difference]: Without dead ends: 538 [2019-10-22 09:03:02,516 INFO L600 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 [2019-10-22 09:03:02,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-10-22 09:03:02,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-10-22 09:03:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-10-22 09:03:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 826 transitions. [2019-10-22 09:03:02,584 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 826 transitions. Word has length 61 [2019-10-22 09:03:02,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:02,585 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 826 transitions. [2019-10-22 09:03:02,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:02,585 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 826 transitions. [2019-10-22 09:03:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-22 09:03:02,588 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:02,588 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:02,589 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:02,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:02,589 INFO L82 PathProgramCache]: Analyzing trace with hash 383487860, now seen corresponding path program 1 times [2019-10-22 09:03:02,589 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:02,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394531974] [2019-10-22 09:03:02,590 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:02,590 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:02,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:02,778 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:03:02,778 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394531974] [2019-10-22 09:03:02,779 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:02,779 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:02,779 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981233104] [2019-10-22 09:03:02,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:02,782 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:02,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:02,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:02,783 INFO L87 Difference]: Start difference. First operand 538 states and 826 transitions. Second operand 4 states. [2019-10-22 09:03:03,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:03,806 INFO L93 Difference]: Finished difference Result 2142 states and 3296 transitions. [2019-10-22 09:03:03,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:03,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2019-10-22 09:03:03,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:03,820 INFO L225 Difference]: With dead ends: 2142 [2019-10-22 09:03:03,821 INFO L226 Difference]: Without dead ends: 1606 [2019-10-22 09:03:03,823 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:03,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2019-10-22 09:03:03,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1428. [2019-10-22 09:03:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-10-22 09:03:03,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 2029 transitions. [2019-10-22 09:03:03,876 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 2029 transitions. Word has length 126 [2019-10-22 09:03:03,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:03,877 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 2029 transitions. [2019-10-22 09:03:03,877 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:03,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2029 transitions. [2019-10-22 09:03:03,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-22 09:03:03,880 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:03,880 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:03,881 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:03,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:03,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1494611426, now seen corresponding path program 1 times [2019-10-22 09:03:03,881 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:03,881 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899675568] [2019-10-22 09:03:03,882 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:03,882 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:03,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:04,018 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:03:04,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899675568] [2019-10-22 09:03:04,019 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:04,019 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:04,019 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437383220] [2019-10-22 09:03:04,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:04,020 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:04,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:04,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:04,020 INFO L87 Difference]: Start difference. First operand 1428 states and 2029 transitions. Second operand 4 states. [2019-10-22 09:03:05,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:05,038 INFO L93 Difference]: Finished difference Result 4634 states and 6631 transitions. [2019-10-22 09:03:05,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:05,038 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2019-10-22 09:03:05,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:05,048 INFO L225 Difference]: With dead ends: 4634 [2019-10-22 09:03:05,049 INFO L226 Difference]: Without dead ends: 3208 [2019-10-22 09:03:05,051 INFO L600 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 [2019-10-22 09:03:05,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2019-10-22 09:03:05,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2852. [2019-10-22 09:03:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2019-10-22 09:03:05,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3754 transitions. [2019-10-22 09:03:05,111 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3754 transitions. Word has length 129 [2019-10-22 09:03:05,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:05,111 INFO L462 AbstractCegarLoop]: Abstraction has 2852 states and 3754 transitions. [2019-10-22 09:03:05,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:05,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3754 transitions. [2019-10-22 09:03:05,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-10-22 09:03:05,118 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:05,118 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:05,118 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:05,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:05,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1396351156, now seen corresponding path program 1 times [2019-10-22 09:03:05,119 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:05,119 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182747824] [2019-10-22 09:03:05,119 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:05,119 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:05,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 255 proven. 4 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-10-22 09:03:05,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182747824] [2019-10-22 09:03:05,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463143857] [2019-10-22 09:03:05,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/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 [2019-10-22 09:03:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:05,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:03:05,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2019-10-22 09:03:05,667 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:03:05,668 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-10-22 09:03:05,668 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299268977] [2019-10-22 09:03:05,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:03:05,672 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:05,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:03:05,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:03:05,673 INFO L87 Difference]: Start difference. First operand 2852 states and 3754 transitions. Second operand 3 states. [2019-10-22 09:03:06,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:06,298 INFO L93 Difference]: Finished difference Result 6414 states and 8465 transitions. [2019-10-22 09:03:06,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:03:06,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2019-10-22 09:03:06,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:06,309 INFO L225 Difference]: With dead ends: 6414 [2019-10-22 09:03:06,309 INFO L226 Difference]: Without dead ends: 3742 [2019-10-22 09:03:06,312 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 285 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:03:06,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2019-10-22 09:03:06,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 2852. [2019-10-22 09:03:06,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2019-10-22 09:03:06,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3754 transitions. [2019-10-22 09:03:06,368 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3754 transitions. Word has length 286 [2019-10-22 09:03:06,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:06,369 INFO L462 AbstractCegarLoop]: Abstraction has 2852 states and 3754 transitions. [2019-10-22 09:03:06,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:03:06,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3754 transitions. [2019-10-22 09:03:06,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-10-22 09:03:06,373 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:06,373 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:03:06,574 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:06,574 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:06,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:06,575 INFO L82 PathProgramCache]: Analyzing trace with hash 291355922, now seen corresponding path program 1 times [2019-10-22 09:03:06,575 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:06,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189935656] [2019-10-22 09:03:06,575 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:06,575 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:06,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:06,831 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 259 proven. 4 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2019-10-22 09:03:06,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189935656] [2019-10-22 09:03:06,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468559959] [2019-10-22 09:03:06,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/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 [2019-10-22 09:03:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:06,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:03:06,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:07,015 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-22 09:03:07,016 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:03:07,016 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-10-22 09:03:07,016 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010082706] [2019-10-22 09:03:07,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:03:07,017 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:07,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:03:07,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:03:07,018 INFO L87 Difference]: Start difference. First operand 2852 states and 3754 transitions. Second operand 3 states. [2019-10-22 09:03:07,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:07,651 INFO L93 Difference]: Finished difference Result 6414 states and 8549 transitions. [2019-10-22 09:03:07,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:03:07,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 318 [2019-10-22 09:03:07,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:07,661 INFO L225 Difference]: With dead ends: 6414 [2019-10-22 09:03:07,662 INFO L226 Difference]: Without dead ends: 3742 [2019-10-22 09:03:07,665 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 317 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:03:07,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2019-10-22 09:03:07,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3564. [2019-10-22 09:03:07,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2019-10-22 09:03:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 4586 transitions. [2019-10-22 09:03:07,726 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 4586 transitions. Word has length 318 [2019-10-22 09:03:07,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:07,726 INFO L462 AbstractCegarLoop]: Abstraction has 3564 states and 4586 transitions. [2019-10-22 09:03:07,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:03:07,727 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 4586 transitions. [2019-10-22 09:03:07,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-10-22 09:03:07,733 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:07,733 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:07,933 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:07,934 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:07,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:07,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1441441549, now seen corresponding path program 1 times [2019-10-22 09:03:07,935 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:07,935 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36843481] [2019-10-22 09:03:07,935 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:07,935 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:07,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:08,179 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 270 proven. 4 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2019-10-22 09:03:08,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36843481] [2019-10-22 09:03:08,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507817269] [2019-10-22 09:03:08,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:08,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:03:08,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2019-10-22 09:03:08,378 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:03:08,379 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-10-22 09:03:08,379 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278671167] [2019-10-22 09:03:08,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:03:08,380 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:08,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:03:08,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:03:08,381 INFO L87 Difference]: Start difference. First operand 3564 states and 4586 transitions. Second operand 3 states. [2019-10-22 09:03:09,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:09,082 INFO L93 Difference]: Finished difference Result 7482 states and 9712 transitions. [2019-10-22 09:03:09,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:03:09,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 344 [2019-10-22 09:03:09,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:09,102 INFO L225 Difference]: With dead ends: 7482 [2019-10-22 09:03:09,103 INFO L226 Difference]: Without dead ends: 4098 [2019-10-22 09:03:09,106 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 343 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:03:09,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2019-10-22 09:03:09,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3742. [2019-10-22 09:03:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2019-10-22 09:03:09,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4570 transitions. [2019-10-22 09:03:09,177 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4570 transitions. Word has length 344 [2019-10-22 09:03:09,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:09,178 INFO L462 AbstractCegarLoop]: Abstraction has 3742 states and 4570 transitions. [2019-10-22 09:03:09,178 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:03:09,178 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4570 transitions. [2019-10-22 09:03:09,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2019-10-22 09:03:09,186 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:09,186 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:09,387 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:09,387 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:09,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:09,387 INFO L82 PathProgramCache]: Analyzing trace with hash 398266654, now seen corresponding path program 1 times [2019-10-22 09:03:09,387 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:09,388 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683230514] [2019-10-22 09:03:09,388 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:09,388 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:09,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 270 proven. 4 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-10-22 09:03:09,610 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683230514] [2019-10-22 09:03:09,610 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344322069] [2019-10-22 09:03:09,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:09,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 09:03:09,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 314 proven. 49 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-10-22 09:03:09,845 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:03:09,846 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2019-10-22 09:03:09,846 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189142598] [2019-10-22 09:03:09,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:03:09,847 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:09,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:03:09,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:03:09,847 INFO L87 Difference]: Start difference. First operand 3742 states and 4570 transitions. Second operand 8 states. [2019-10-22 09:03:12,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:12,125 INFO L93 Difference]: Finished difference Result 8260 states and 10055 transitions. [2019-10-22 09:03:12,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 09:03:12,126 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 374 [2019-10-22 09:03:12,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:12,126 INFO L225 Difference]: With dead ends: 8260 [2019-10-22 09:03:12,127 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:03:12,133 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 374 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:03:12,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:03:12,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:03:12,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:03:12,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:03:12,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 374 [2019-10-22 09:03:12,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:12,134 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:03:12,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:03:12,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:03:12,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:03:12,336 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:12,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:03:12,529 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-10-22 09:03:12,631 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-10-22 09:03:12,634 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-10-22 09:03:12,634 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-10-22 09:03:12,634 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,634 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,634 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,635 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-10-22 09:03:12,635 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-22 09:03:12,635 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-22 09:03:12,635 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-22 09:03:12,635 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-10-22 09:03:12,635 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-10-22 09:03:12,635 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-10-22 09:03:12,635 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-10-22 09:03:12,635 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,635 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,635 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,635 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-10-22 09:03:12,636 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-10-22 09:03:12,636 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-22 09:03:12,636 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-22 09:03:12,636 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-22 09:03:12,636 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-10-22 09:03:12,636 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-10-22 09:03:12,636 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-10-22 09:03:12,636 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,636 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,636 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,637 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-10-22 09:03:12,637 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-22 09:03:12,637 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-22 09:03:12,637 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-22 09:03:12,637 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-10-22 09:03:12,637 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-10-22 09:03:12,637 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-10-22 09:03:12,637 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-10-22 09:03:12,637 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-10-22 09:03:12,637 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,637 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,638 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,641 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-10-22 09:03:12,641 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-22 09:03:12,641 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-22 09:03:12,641 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-22 09:03:12,641 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-10-22 09:03:12,641 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-10-22 09:03:12,642 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-10-22 09:03:12,642 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,642 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,642 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,642 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-10-22 09:03:12,642 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-22 09:03:12,642 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-22 09:03:12,642 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-22 09:03:12,642 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-10-22 09:03:12,642 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-10-22 09:03:12,642 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-10-22 09:03:12,643 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-10-22 09:03:12,643 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-10-22 09:03:12,643 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,643 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,643 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,643 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-10-22 09:03:12,643 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-22 09:03:12,643 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-22 09:03:12,643 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-22 09:03:12,643 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-10-22 09:03:12,643 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-10-22 09:03:12,643 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-10-22 09:03:12,644 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-10-22 09:03:12,644 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,644 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,644 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,644 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-22 09:03:12,644 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-22 09:03:12,644 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-22 09:03:12,644 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-10-22 09:03:12,644 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-10-22 09:03:12,644 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-10-22 09:03:12,644 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-10-22 09:03:12,645 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-10-22 09:03:12,645 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,645 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,645 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,645 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-10-22 09:03:12,645 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-10-22 09:03:12,645 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:03:12,645 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-22 09:03:12,645 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-22 09:03:12,645 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-22 09:03:12,645 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-10-22 09:03:12,646 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-10-22 09:03:12,649 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-10-22 09:03:12,649 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,649 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,649 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,649 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-22 09:03:12,649 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-22 09:03:12,649 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-22 09:03:12,649 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-10-22 09:03:12,650 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-10-22 09:03:12,650 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-10-22 09:03:12,650 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-10-22 09:03:12,650 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-10-22 09:03:12,650 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,650 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,650 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,650 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-10-22 09:03:12,650 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-10-22 09:03:12,650 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-22 09:03:12,650 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-22 09:03:12,650 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-22 09:03:12,651 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-10-22 09:03:12,651 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:03:12,651 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-10-22 09:03:12,651 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-10-22 09:03:12,651 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,651 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,651 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,651 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-10-22 09:03:12,651 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-22 09:03:12,651 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-22 09:03:12,651 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-22 09:03:12,651 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-10-22 09:03:12,652 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-10-22 09:03:12,652 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-10-22 09:03:12,652 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-10-22 09:03:12,652 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,652 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,652 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,652 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-10-22 09:03:12,652 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-22 09:03:12,652 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-22 09:03:12,652 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-22 09:03:12,652 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-10-22 09:03:12,652 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-10-22 09:03:12,652 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-10-22 09:03:12,653 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-10-22 09:03:12,653 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,653 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,653 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-10-22 09:03:12,653 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-22 09:03:12,653 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 09:03:12,653 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-10-22 09:03:12,653 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-10-22 09:03:12,653 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-10-22 09:03:12,653 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-10-22 09:03:12,653 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-10-22 09:03:12,653 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,653 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,654 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-10-22 09:03:12,655 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-22 09:03:12,655 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-22 09:03:12,655 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-10-22 09:03:12,655 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-10-22 09:03:12,655 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-10-22 09:03:12,655 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,655 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,656 INFO L439 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse3 (not (= 5 ~a15~0)))) (let ((.cse1 (<= ~a21~0 6)) (.cse2 (let ((.cse4 (<= (+ ~a12~0 43) 0))) (or (and (not (= ~a21~0 9)) .cse4) (and .cse4 .cse3) (<= (+ ~a12~0 49) 0)))) (.cse0 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 (= ~a21~0 10)) (and .cse2 .cse0) (and .cse0 .cse3) (and (< 11 ~a12~0) .cse0) (and .cse0 (= ~a21~0 7))))) [2019-10-22 09:03:12,656 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-10-22 09:03:12,656 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-10-22 09:03:12,656 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 09:03:12,657 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-22 09:03:12,657 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-10-22 09:03:12,657 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-10-22 09:03:12,657 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-10-22 09:03:12,657 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-10-22 09:03:12,657 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,657 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,657 INFO L446 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-10-22 09:03:12,657 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-10-22 09:03:12,657 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-10-22 09:03:12,657 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 09:03:12,657 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-22 09:03:12,657 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-10-22 09:03:12,658 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-10-22 09:03:12,663 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-10-22 09:03:12,663 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,663 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,663 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-10-22 09:03:12,663 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-10-22 09:03:12,663 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-22 09:03:12,663 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-22 09:03:12,664 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:03:12,664 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-10-22 09:03:12,664 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-10-22 09:03:12,664 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,664 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,664 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-22 09:03:12,664 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,664 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-10-22 09:03:12,664 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse3 (not (= 5 ~a15~0)))) (let ((.cse1 (<= ~a21~0 6)) (.cse2 (let ((.cse4 (<= (+ ~a12~0 43) 0))) (or (and (not (= ~a21~0 9)) .cse4) (and .cse4 .cse3) (<= (+ ~a12~0 49) 0)))) (.cse0 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 (= ~a21~0 10)) (and .cse2 .cse0) (and .cse0 .cse3) (and (< 11 ~a12~0) .cse0) (and .cse0 (= ~a21~0 7))))) [2019-10-22 09:03:12,664 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-22 09:03:12,665 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 09:03:12,666 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-22 09:03:12,666 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-10-22 09:03:12,666 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-22 09:03:12,666 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-10-22 09:03:12,666 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-10-22 09:03:12,666 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-10-22 09:03:12,666 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,666 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,666 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,666 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-10-22 09:03:12,666 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-10-22 09:03:12,667 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2019-10-22 09:03:12,667 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-22 09:03:12,667 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-22 09:03:12,667 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:03:12,667 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-22 09:03:12,667 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-10-22 09:03:12,667 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-10-22 09:03:12,667 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-10-22 09:03:12,667 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,667 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,667 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,667 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-10-22 09:03:12,668 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-22 09:03:12,668 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-22 09:03:12,668 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-22 09:03:12,668 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-10-22 09:03:12,668 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-10-22 09:03:12,668 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-10-22 09:03:12,668 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-10-22 09:03:12,668 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-10-22 09:03:12,668 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,668 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,668 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:03:12,668 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-10-22 09:03:12,668 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-22 09:03:12,669 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 09:03:12,669 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-22 09:03:12,669 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-10-22 09:03:12,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:03:12 BoogieIcfgContainer [2019-10-22 09:03:12,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:03:12,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:03:12,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:03:12,703 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:03:12,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:00" (3/4) ... [2019-10-22 09:03:12,707 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:03:12,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:03:12,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:03:12,925 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fb6c590b-f9d5-45a0-a566-e92fa8ec847e/bin/uautomizer/witness.graphml [2019-10-22 09:03:12,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:03:12,927 INFO L168 Benchmark]: Toolchain (without parser) took 15002.12 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 768.1 MB). Free memory was 940.7 MB in the beginning and 1.2 GB in the end (delta: -277.2 MB). Peak memory consumption was 490.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:12,927 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:03:12,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:12,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.23 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:12,928 INFO L168 Benchmark]: Boogie Preprocessor took 81.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:12,928 INFO L168 Benchmark]: RCFGBuilder took 1294.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.3 MB in the end (delta: 127.3 MB). Peak memory consumption was 127.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:12,929 INFO L168 Benchmark]: TraceAbstraction took 12508.69 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 604.0 MB). Free memory was 986.3 MB in the beginning and 1.2 GB in the end (delta: -255.5 MB). Peak memory consumption was 348.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:12,929 INFO L168 Benchmark]: Witness Printer took 222.02 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:12,930 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 779.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.23 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1294.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.3 MB in the end (delta: 127.3 MB). Peak memory consumption was 127.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12508.69 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 604.0 MB). Free memory was 986.3 MB in the beginning and 1.2 GB in the end (delta: -255.5 MB). Peak memory consumption was 348.5 MB. Max. memory is 11.5 GB. * Witness Printer took 222.02 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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: 880]: Loop Invariant Derived loop invariant: ((((((a24 == 1 && a21 <= 6) || ((((!(a21 == 9) && a12 + 43 <= 0) || (a12 + 43 <= 0 && !(5 == a15))) || a12 + 49 <= 0) && a21 <= 6)) || (a24 == 1 && a21 == 10)) || ((((!(a21 == 9) && a12 + 43 <= 0) || (a12 + 43 <= 0 && !(5 == a15))) || a12 + 49 <= 0) && a24 == 1)) || (a24 == 1 && !(5 == a15))) || (11 < a12 && a24 == 1)) || (a24 == 1 && a21 == 7) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((a24 == 1 && a21 <= 6) || ((((!(a21 == 9) && a12 + 43 <= 0) || (a12 + 43 <= 0 && !(5 == a15))) || a12 + 49 <= 0) && a21 <= 6)) || (a24 == 1 && a21 == 10)) || ((((!(a21 == 9) && a12 + 43 <= 0) || (a12 + 43 <= 0 && !(5 == a15))) || a12 + 49 <= 0) && a24 == 1)) || (a24 == 1 && !(5 == a15))) || (11 < a12 && a24 == 1)) || (a24 == 1 && a21 == 7) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 12.4s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 835 SDtfs, 2362 SDslu, 79 SDs, 0 SdLazy, 6369 SolverSat, 1510 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1354 GetRequests, 1322 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3742occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 1958 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 64 NumberOfFragments, 195 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2400 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 138 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2960 NumberOfCodeBlocks, 2960 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2949 ConstructedInterpolants, 0 QuantifiedInterpolants, 2760306 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1744 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 3347/3412 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...