./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label30.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_4e27d732-4d72-43bc-9b68-10d81288d822/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label30.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/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 a6cbe3293b85565129a3e8511797ba8de37ca63e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:57:16,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:16,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:16,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:16,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:16,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:16,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:16,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:16,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:16,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:16,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:16,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:16,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:16,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:16,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:16,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:16,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:16,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:16,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:16,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:16,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:16,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:16,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:16,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:16,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:16,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:16,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:16,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:16,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:16,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:16,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:16,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:16,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:16,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:16,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:16,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:16,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:16,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:16,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:16,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:16,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:16,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:57:16,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:16,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:16,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:16,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:16,965 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:16,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:16,965 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:16,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:16,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:16,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:16,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:16,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:16,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:16,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:16,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:16,967 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:16,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:16,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:16,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:16,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:16,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:16,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:16,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:16,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:16,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:16,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:16,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:57:16,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:16,970 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_4e27d732-4d72-43bc-9b68-10d81288d822/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 -> a6cbe3293b85565129a3e8511797ba8de37ca63e [2019-10-22 08:57:17,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:17,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:17,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:17,022 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:17,022 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:17,023 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label30.c [2019-10-22 08:57:17,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/bin/uautomizer/data/3a0d00d63/00622e2b34a442d2a9134a8cddc7cb9b/FLAGf82a8bee3 [2019-10-22 08:57:17,713 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:17,715 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/sv-benchmarks/c/eca-rers2012/Problem03_label30.c [2019-10-22 08:57:17,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/bin/uautomizer/data/3a0d00d63/00622e2b34a442d2a9134a8cddc7cb9b/FLAGf82a8bee3 [2019-10-22 08:57:17,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/bin/uautomizer/data/3a0d00d63/00622e2b34a442d2a9134a8cddc7cb9b [2019-10-22 08:57:17,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:17,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:17,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:17,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:17,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:17,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377ddfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17, skipping insertion in model container [2019-10-22 08:57:17,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,914 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:17,990 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:18,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:18,656 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:18,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:18,950 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:18,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:18 WrapperNode [2019-10-22 08:57:18,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:18,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:18,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:18,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:18,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:18" (1/1) ... [2019-10-22 08:57:18,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:18" (1/1) ... [2019-10-22 08:57:19,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:19,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:19,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:19,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:19,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:18" (1/1) ... [2019-10-22 08:57:19,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:18" (1/1) ... [2019-10-22 08:57:19,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:18" (1/1) ... [2019-10-22 08:57:19,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:18" (1/1) ... [2019-10-22 08:57:19,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:18" (1/1) ... [2019-10-22 08:57:19,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:18" (1/1) ... [2019-10-22 08:57:19,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:18" (1/1) ... [2019-10-22 08:57:19,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:19,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:19,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:19,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:19,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/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 08:57:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:21,373 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:21,373 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:57:21,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:21 BoogieIcfgContainer [2019-10-22 08:57:21,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:21,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:21,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:21,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:21,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:17" (1/3) ... [2019-10-22 08:57:21,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608792fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:21, skipping insertion in model container [2019-10-22 08:57:21,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:18" (2/3) ... [2019-10-22 08:57:21,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608792fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:21, skipping insertion in model container [2019-10-22 08:57:21,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:21" (3/3) ... [2019-10-22 08:57:21,391 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label30.c [2019-10-22 08:57:21,402 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:21,411 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:57:21,424 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:57:21,460 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:21,460 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:21,460 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:21,460 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:21,460 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:21,461 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:21,461 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:21,461 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:21,492 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-10-22 08:57:21,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-22 08:57:21,512 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:21,513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:21,515 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:21,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:21,522 INFO L82 PathProgramCache]: Analyzing trace with hash 174616531, now seen corresponding path program 1 times [2019-10-22 08:57:21,531 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:21,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816272556] [2019-10-22 08:57:21,532 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:21,532 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:21,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:22,187 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 08:57:22,188 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816272556] [2019-10-22 08:57:22,189 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:22,189 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:57:22,189 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153708910] [2019-10-22 08:57:22,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:57:22,195 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:22,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:57:22,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:22,213 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2019-10-22 08:57:24,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:24,374 INFO L93 Difference]: Finished difference Result 1023 states and 1861 transitions. [2019-10-22 08:57:24,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:57:24,376 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 175 [2019-10-22 08:57:24,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:24,393 INFO L225 Difference]: With dead ends: 1023 [2019-10-22 08:57:24,394 INFO L226 Difference]: Without dead ends: 654 [2019-10-22 08:57:24,398 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 08:57:24,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-10-22 08:57:24,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 652. [2019-10-22 08:57:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2019-10-22 08:57:24,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 964 transitions. [2019-10-22 08:57:24,544 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 964 transitions. Word has length 175 [2019-10-22 08:57:24,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:24,544 INFO L462 AbstractCegarLoop]: Abstraction has 652 states and 964 transitions. [2019-10-22 08:57:24,545 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:57:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 964 transitions. [2019-10-22 08:57:24,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-22 08:57:24,554 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:24,558 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:24,559 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:24,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:24,559 INFO L82 PathProgramCache]: Analyzing trace with hash -93879212, now seen corresponding path program 1 times [2019-10-22 08:57:24,559 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:24,559 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115675540] [2019-10-22 08:57:24,559 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:24,560 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:24,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:24,639 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:24,640 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115675540] [2019-10-22 08:57:24,640 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:24,640 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:24,640 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393546134] [2019-10-22 08:57:24,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:24,643 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:24,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:24,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:24,643 INFO L87 Difference]: Start difference. First operand 652 states and 964 transitions. Second operand 3 states. [2019-10-22 08:57:25,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:25,572 INFO L93 Difference]: Finished difference Result 1929 states and 2864 transitions. [2019-10-22 08:57:25,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:25,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-10-22 08:57:25,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:25,579 INFO L225 Difference]: With dead ends: 1929 [2019-10-22 08:57:25,579 INFO L226 Difference]: Without dead ends: 1279 [2019-10-22 08:57:25,582 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:25,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-10-22 08:57:25,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1265. [2019-10-22 08:57:25,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2019-10-22 08:57:25,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1831 transitions. [2019-10-22 08:57:25,628 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1831 transitions. Word has length 183 [2019-10-22 08:57:25,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:25,629 INFO L462 AbstractCegarLoop]: Abstraction has 1265 states and 1831 transitions. [2019-10-22 08:57:25,629 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1831 transitions. [2019-10-22 08:57:25,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-22 08:57:25,633 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:25,633 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:25,634 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:25,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:25,634 INFO L82 PathProgramCache]: Analyzing trace with hash 800099661, now seen corresponding path program 1 times [2019-10-22 08:57:25,634 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:25,634 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052477099] [2019-10-22 08:57:25,634 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:25,635 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:25,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:25,743 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 08:57:25,743 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052477099] [2019-10-22 08:57:25,743 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:25,743 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:25,744 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050198389] [2019-10-22 08:57:25,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:25,744 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:25,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:25,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:25,745 INFO L87 Difference]: Start difference. First operand 1265 states and 1831 transitions. Second operand 3 states. [2019-10-22 08:57:26,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:26,115 INFO L93 Difference]: Finished difference Result 3779 states and 5474 transitions. [2019-10-22 08:57:26,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:26,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2019-10-22 08:57:26,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:26,125 INFO L225 Difference]: With dead ends: 3779 [2019-10-22 08:57:26,125 INFO L226 Difference]: Without dead ends: 2516 [2019-10-22 08:57:26,127 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:26,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2019-10-22 08:57:26,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2513. [2019-10-22 08:57:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2513 states. [2019-10-22 08:57:26,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 3630 transitions. [2019-10-22 08:57:26,180 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 3630 transitions. Word has length 195 [2019-10-22 08:57:26,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:26,181 INFO L462 AbstractCegarLoop]: Abstraction has 2513 states and 3630 transitions. [2019-10-22 08:57:26,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 3630 transitions. [2019-10-22 08:57:26,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-10-22 08:57:26,186 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:26,186 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:26,186 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:26,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:26,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1457983073, now seen corresponding path program 1 times [2019-10-22 08:57:26,187 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:26,187 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43648165] [2019-10-22 08:57:26,187 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:26,187 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:26,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:26,270 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-22 08:57:26,270 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43648165] [2019-10-22 08:57:26,271 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:26,271 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:26,271 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267759193] [2019-10-22 08:57:26,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:26,272 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:26,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:26,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:26,272 INFO L87 Difference]: Start difference. First operand 2513 states and 3630 transitions. Second operand 3 states. [2019-10-22 08:57:26,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:26,925 INFO L93 Difference]: Finished difference Result 4986 states and 7206 transitions. [2019-10-22 08:57:26,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:26,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2019-10-22 08:57:26,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:26,935 INFO L225 Difference]: With dead ends: 4986 [2019-10-22 08:57:26,935 INFO L226 Difference]: Without dead ends: 2475 [2019-10-22 08:57:26,938 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:26,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2475 states. [2019-10-22 08:57:26,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2475 to 2475. [2019-10-22 08:57:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2475 states. [2019-10-22 08:57:26,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3502 transitions. [2019-10-22 08:57:26,995 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3502 transitions. Word has length 203 [2019-10-22 08:57:26,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:26,995 INFO L462 AbstractCegarLoop]: Abstraction has 2475 states and 3502 transitions. [2019-10-22 08:57:26,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3502 transitions. [2019-10-22 08:57:26,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-10-22 08:57:27,000 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:27,000 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:27,000 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:27,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:27,001 INFO L82 PathProgramCache]: Analyzing trace with hash 808786063, now seen corresponding path program 1 times [2019-10-22 08:57:27,001 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:27,001 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270539900] [2019-10-22 08:57:27,001 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:27,002 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:27,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:27,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270539900] [2019-10-22 08:57:27,180 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:27,180 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:27,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934624987] [2019-10-22 08:57:27,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:27,181 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:27,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:27,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:27,182 INFO L87 Difference]: Start difference. First operand 2475 states and 3502 transitions. Second operand 5 states. [2019-10-22 08:57:28,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:28,780 INFO L93 Difference]: Finished difference Result 5981 states and 8557 transitions. [2019-10-22 08:57:28,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:57:28,781 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 213 [2019-10-22 08:57:28,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:28,793 INFO L225 Difference]: With dead ends: 5981 [2019-10-22 08:57:28,793 INFO L226 Difference]: Without dead ends: 3508 [2019-10-22 08:57:28,796 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:28,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3508 states. [2019-10-22 08:57:28,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3508 to 2881. [2019-10-22 08:57:28,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2881 states. [2019-10-22 08:57:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 4092 transitions. [2019-10-22 08:57:28,860 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 4092 transitions. Word has length 213 [2019-10-22 08:57:28,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:28,860 INFO L462 AbstractCegarLoop]: Abstraction has 2881 states and 4092 transitions. [2019-10-22 08:57:28,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 4092 transitions. [2019-10-22 08:57:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-10-22 08:57:28,866 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:28,867 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:28,867 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:28,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:28,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1889254973, now seen corresponding path program 1 times [2019-10-22 08:57:28,867 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:28,868 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153382736] [2019-10-22 08:57:28,868 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:28,868 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:28,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-10-22 08:57:29,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153382736] [2019-10-22 08:57:29,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62290412] [2019-10-22 08:57:29,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/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 08:57:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:29,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:57:29,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-22 08:57:29,344 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:57:29,344 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2019-10-22 08:57:29,344 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088746089] [2019-10-22 08:57:29,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:29,345 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:29,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:29,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:29,345 INFO L87 Difference]: Start difference. First operand 2881 states and 4092 transitions. Second operand 3 states. [2019-10-22 08:57:29,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:29,688 INFO L93 Difference]: Finished difference Result 8637 states and 12270 transitions. [2019-10-22 08:57:29,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:29,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2019-10-22 08:57:29,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:29,709 INFO L225 Difference]: With dead ends: 8637 [2019-10-22 08:57:29,710 INFO L226 Difference]: Without dead ends: 5758 [2019-10-22 08:57:29,715 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 247 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 08:57:29,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5758 states. [2019-10-22 08:57:29,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5758 to 5756. [2019-10-22 08:57:29,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5756 states. [2019-10-22 08:57:29,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5756 states to 5756 states and 8155 transitions. [2019-10-22 08:57:29,842 INFO L78 Accepts]: Start accepts. Automaton has 5756 states and 8155 transitions. Word has length 247 [2019-10-22 08:57:29,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:29,843 INFO L462 AbstractCegarLoop]: Abstraction has 5756 states and 8155 transitions. [2019-10-22 08:57:29,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:29,848 INFO L276 IsEmpty]: Start isEmpty. Operand 5756 states and 8155 transitions. [2019-10-22 08:57:29,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-10-22 08:57:29,856 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:29,856 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:30,057 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:30,058 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:30,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:30,058 INFO L82 PathProgramCache]: Analyzing trace with hash -2041686795, now seen corresponding path program 1 times [2019-10-22 08:57:30,058 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:30,059 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126590918] [2019-10-22 08:57:30,059 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:30,059 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:30,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:30,228 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:57:30,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126590918] [2019-10-22 08:57:30,229 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:30,229 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:57:30,229 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39434213] [2019-10-22 08:57:30,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:30,229 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:30,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:30,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:30,230 INFO L87 Difference]: Start difference. First operand 5756 states and 8155 transitions. Second operand 3 states. [2019-10-22 08:57:31,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:31,098 INFO L93 Difference]: Finished difference Result 16806 states and 23749 transitions. [2019-10-22 08:57:31,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:31,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2019-10-22 08:57:31,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:31,152 INFO L225 Difference]: With dead ends: 16806 [2019-10-22 08:57:31,157 INFO L226 Difference]: Without dead ends: 11052 [2019-10-22 08:57:31,166 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:31,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11052 states. [2019-10-22 08:57:31,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11052 to 11048. [2019-10-22 08:57:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11048 states. [2019-10-22 08:57:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11048 states to 11048 states and 14555 transitions. [2019-10-22 08:57:31,444 INFO L78 Accepts]: Start accepts. Automaton has 11048 states and 14555 transitions. Word has length 248 [2019-10-22 08:57:31,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:31,444 INFO L462 AbstractCegarLoop]: Abstraction has 11048 states and 14555 transitions. [2019-10-22 08:57:31,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:31,445 INFO L276 IsEmpty]: Start isEmpty. Operand 11048 states and 14555 transitions. [2019-10-22 08:57:31,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-10-22 08:57:31,461 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:31,461 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:31,461 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:31,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:31,462 INFO L82 PathProgramCache]: Analyzing trace with hash -213655855, now seen corresponding path program 1 times [2019-10-22 08:57:31,462 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:31,462 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114613444] [2019-10-22 08:57:31,463 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:31,463 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:31,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:31,814 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:31,814 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114613444] [2019-10-22 08:57:31,814 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:31,815 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:57:31,815 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130326265] [2019-10-22 08:57:31,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:57:31,816 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:31,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:57:31,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:31,817 INFO L87 Difference]: Start difference. First operand 11048 states and 14555 transitions. Second operand 4 states. [2019-10-22 08:57:33,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:33,231 INFO L93 Difference]: Finished difference Result 38774 states and 50843 transitions. [2019-10-22 08:57:33,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:57:33,232 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 253 [2019-10-22 08:57:33,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:33,291 INFO L225 Difference]: With dead ends: 38774 [2019-10-22 08:57:33,291 INFO L226 Difference]: Without dead ends: 27728 [2019-10-22 08:57:33,306 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 08:57:33,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27728 states. [2019-10-22 08:57:33,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27728 to 20792. [2019-10-22 08:57:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20792 states. [2019-10-22 08:57:33,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20792 states to 20792 states and 26359 transitions. [2019-10-22 08:57:33,654 INFO L78 Accepts]: Start accepts. Automaton has 20792 states and 26359 transitions. Word has length 253 [2019-10-22 08:57:33,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:33,654 INFO L462 AbstractCegarLoop]: Abstraction has 20792 states and 26359 transitions. [2019-10-22 08:57:33,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:57:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand 20792 states and 26359 transitions. [2019-10-22 08:57:33,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-10-22 08:57:33,675 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:33,675 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:33,675 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:33,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:33,676 INFO L82 PathProgramCache]: Analyzing trace with hash -204474263, now seen corresponding path program 1 times [2019-10-22 08:57:33,676 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:33,676 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656837799] [2019-10-22 08:57:33,676 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:33,676 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:33,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-22 08:57:33,791 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656837799] [2019-10-22 08:57:33,791 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:33,792 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:57:33,793 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875347430] [2019-10-22 08:57:33,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:33,794 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:33,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:33,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:33,795 INFO L87 Difference]: Start difference. First operand 20792 states and 26359 transitions. Second operand 3 states. [2019-10-22 08:57:34,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:34,881 INFO L93 Difference]: Finished difference Result 41590 states and 52730 transitions. [2019-10-22 08:57:34,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:34,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2019-10-22 08:57:34,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:34,918 INFO L225 Difference]: With dead ends: 41590 [2019-10-22 08:57:34,918 INFO L226 Difference]: Without dead ends: 20800 [2019-10-22 08:57:34,938 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:34,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20800 states. [2019-10-22 08:57:35,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20800 to 20792. [2019-10-22 08:57:35,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20792 states. [2019-10-22 08:57:35,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20792 states to 20792 states and 24480 transitions. [2019-10-22 08:57:35,189 INFO L78 Accepts]: Start accepts. Automaton has 20792 states and 24480 transitions. Word has length 254 [2019-10-22 08:57:35,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:35,190 INFO L462 AbstractCegarLoop]: Abstraction has 20792 states and 24480 transitions. [2019-10-22 08:57:35,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 20792 states and 24480 transitions. [2019-10-22 08:57:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-10-22 08:57:35,206 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:35,207 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:35,207 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:35,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:35,207 INFO L82 PathProgramCache]: Analyzing trace with hash 949666247, now seen corresponding path program 1 times [2019-10-22 08:57:35,207 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:35,208 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100526503] [2019-10-22 08:57:35,208 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:35,208 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:35,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:35,577 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100526503] [2019-10-22 08:57:35,577 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645418972] [2019-10-22 08:57:35,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/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 08:57:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:35,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 08:57:35,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:35,810 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-22 08:57:35,810 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:57:35,810 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-10-22 08:57:35,811 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768969152] [2019-10-22 08:57:35,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:35,811 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:35,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:35,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:57:35,812 INFO L87 Difference]: Start difference. First operand 20792 states and 24480 transitions. Second operand 3 states. [2019-10-22 08:57:36,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:36,957 INFO L93 Difference]: Finished difference Result 56831 states and 66772 transitions. [2019-10-22 08:57:36,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:36,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 268 [2019-10-22 08:57:36,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:37,023 INFO L225 Difference]: With dead ends: 56831 [2019-10-22 08:57:37,023 INFO L226 Difference]: Without dead ends: 36041 [2019-10-22 08:57:37,047 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 267 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:57:37,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36041 states. [2019-10-22 08:57:37,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36041 to 36029. [2019-10-22 08:57:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36029 states. [2019-10-22 08:57:37,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36029 states to 36029 states and 41360 transitions. [2019-10-22 08:57:37,764 INFO L78 Accepts]: Start accepts. Automaton has 36029 states and 41360 transitions. Word has length 268 [2019-10-22 08:57:37,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:37,765 INFO L462 AbstractCegarLoop]: Abstraction has 36029 states and 41360 transitions. [2019-10-22 08:57:37,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:37,765 INFO L276 IsEmpty]: Start isEmpty. Operand 36029 states and 41360 transitions. [2019-10-22 08:57:37,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-10-22 08:57:37,788 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:37,788 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:37,989 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:37,989 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:37,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:37,990 INFO L82 PathProgramCache]: Analyzing trace with hash 212970977, now seen corresponding path program 1 times [2019-10-22 08:57:37,990 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:37,990 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359128132] [2019-10-22 08:57:37,990 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:37,991 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:37,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:38,125 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-22 08:57:38,126 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359128132] [2019-10-22 08:57:38,126 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:38,126 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:38,126 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301276588] [2019-10-22 08:57:38,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:38,127 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:38,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:38,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:38,127 INFO L87 Difference]: Start difference. First operand 36029 states and 41360 transitions. Second operand 3 states. [2019-10-22 08:57:39,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:39,174 INFO L93 Difference]: Finished difference Result 88153 states and 101318 transitions. [2019-10-22 08:57:39,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:39,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2019-10-22 08:57:39,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:39,249 INFO L225 Difference]: With dead ends: 88153 [2019-10-22 08:57:39,250 INFO L226 Difference]: Without dead ends: 52126 [2019-10-22 08:57:39,274 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:39,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52126 states. [2019-10-22 08:57:39,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52126 to 52120. [2019-10-22 08:57:39,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52120 states. [2019-10-22 08:57:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52120 states to 52120 states and 59854 transitions. [2019-10-22 08:57:39,870 INFO L78 Accepts]: Start accepts. Automaton has 52120 states and 59854 transitions. Word has length 277 [2019-10-22 08:57:39,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:39,870 INFO L462 AbstractCegarLoop]: Abstraction has 52120 states and 59854 transitions. [2019-10-22 08:57:39,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:39,871 INFO L276 IsEmpty]: Start isEmpty. Operand 52120 states and 59854 transitions. [2019-10-22 08:57:39,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-10-22 08:57:39,890 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:39,890 INFO L380 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:39,891 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:39,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:39,891 INFO L82 PathProgramCache]: Analyzing trace with hash -418025450, now seen corresponding path program 1 times [2019-10-22 08:57:39,891 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:39,891 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760932402] [2019-10-22 08:57:39,891 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:39,892 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:39,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:40,350 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-22 08:57:40,352 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760932402] [2019-10-22 08:57:40,353 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069942322] [2019-10-22 08:57:40,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/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 08:57:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:40,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 08:57:40,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:57:40,560 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:57:40,560 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-10-22 08:57:40,560 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838481976] [2019-10-22 08:57:40,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:40,561 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:40,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:40,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:57:40,562 INFO L87 Difference]: Start difference. First operand 52120 states and 59854 transitions. Second operand 3 states. [2019-10-22 08:57:41,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:41,657 INFO L93 Difference]: Finished difference Result 103235 states and 118509 transitions. [2019-10-22 08:57:41,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:41,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2019-10-22 08:57:41,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:41,658 INFO L225 Difference]: With dead ends: 103235 [2019-10-22 08:57:41,659 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:57:41,690 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 283 SyntacticMatches, 0 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 08:57:41,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:57:41,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:57:41,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:57:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:41,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 284 [2019-10-22 08:57:41,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:41,691 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:41,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:41,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:41,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:57:41,892 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:41,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:57:42,500 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 168 [2019-10-22 08:57:42,982 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 168 [2019-10-22 08:57:43,584 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 36 [2019-10-22 08:57:44,082 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 36 [2019-10-22 08:57:44,086 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-10-22 08:57:44,086 INFO L443 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-10-22 08:57:44,086 INFO L443 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,086 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,086 INFO L443 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,086 INFO L443 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,086 INFO L443 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,086 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,086 INFO L443 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,087 INFO L443 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-10-22 08:57:44,087 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,087 INFO L443 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-10-22 08:57:44,087 INFO L443 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-10-22 08:57:44,087 INFO L443 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,087 INFO L443 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,087 INFO L443 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,087 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,087 INFO L443 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-10-22 08:57:44,087 INFO L443 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-10-22 08:57:44,087 INFO L443 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,087 INFO L443 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,087 INFO L443 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,088 INFO L443 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,088 INFO L443 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,088 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,088 INFO L443 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,088 INFO L443 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,088 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,088 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,088 INFO L443 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-10-22 08:57:44,088 INFO L443 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-10-22 08:57:44,088 INFO L443 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-10-22 08:57:44,088 INFO L443 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,088 INFO L443 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,088 INFO L443 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,089 INFO L443 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,089 INFO L443 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,089 INFO L443 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,089 INFO L443 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-10-22 08:57:44,089 INFO L443 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-10-22 08:57:44,089 INFO L443 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-10-22 08:57:44,089 INFO L443 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,089 INFO L443 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,089 INFO L443 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,089 INFO L443 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,089 INFO L443 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,089 INFO L443 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,089 INFO L443 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-10-22 08:57:44,090 INFO L443 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-10-22 08:57:44,090 INFO L443 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-10-22 08:57:44,090 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,090 INFO L443 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,090 INFO L443 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,090 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-10-22 08:57:44,090 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,090 INFO L443 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-10-22 08:57:44,090 INFO L443 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,090 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,090 INFO L443 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-10-22 08:57:44,090 INFO L443 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-10-22 08:57:44,090 INFO L443 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,091 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,091 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,091 INFO L443 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,091 INFO L443 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,091 INFO L443 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,091 INFO L443 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,091 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-10-22 08:57:44,091 INFO L443 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-10-22 08:57:44,091 INFO L443 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-10-22 08:57:44,091 INFO L443 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-10-22 08:57:44,091 INFO L443 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-10-22 08:57:44,091 INFO L443 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,091 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,092 INFO L443 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,092 INFO L443 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,092 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,092 INFO L443 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,092 INFO L443 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,092 INFO L443 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,092 INFO L443 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,092 INFO L443 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,092 INFO L443 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-10-22 08:57:44,092 INFO L443 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-10-22 08:57:44,092 INFO L443 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-10-22 08:57:44,092 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,092 INFO L443 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,093 INFO L443 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,093 INFO L443 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,093 INFO L443 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,093 INFO L443 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,093 INFO L443 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,093 INFO L443 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,093 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,093 INFO L443 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-10-22 08:57:44,094 INFO L443 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-10-22 08:57:44,094 INFO L443 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-10-22 08:57:44,094 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-10-22 08:57:44,094 INFO L443 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-10-22 08:57:44,094 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,094 INFO L443 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,094 INFO L443 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,094 INFO L443 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,094 INFO L443 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,095 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:57:44,095 INFO L443 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,095 INFO L443 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,095 INFO L443 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,095 INFO L443 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-10-22 08:57:44,095 INFO L443 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-10-22 08:57:44,095 INFO L443 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-10-22 08:57:44,095 INFO L443 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,095 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,095 INFO L443 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,096 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-10-22 08:57:44,096 INFO L443 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-10-22 08:57:44,096 INFO L443 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,096 INFO L443 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,096 INFO L443 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,096 INFO L443 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-10-22 08:57:44,096 INFO L443 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,096 INFO L443 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-10-22 08:57:44,096 INFO L443 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,097 INFO L443 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-10-22 08:57:44,097 INFO L443 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,097 INFO L443 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,097 INFO L443 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-10-22 08:57:44,097 INFO L443 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-10-22 08:57:44,099 INFO L443 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-10-22 08:57:44,099 INFO L443 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-10-22 08:57:44,100 INFO L443 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-10-22 08:57:44,100 INFO L443 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-10-22 08:57:44,100 INFO L443 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-10-22 08:57:44,100 INFO L443 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,100 INFO L443 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,100 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,100 INFO L439 ceAbstractionStarter]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse0 (= ~a27~0 1)) (.cse1 (= ~a5~0 1))) (let ((.cse2 (not (= 0 ~a3~0))) (.cse4 (<= ~a6~0 0)) (.cse5 (= ~a11~0 1)) (.cse3 (= ~a12~0 1)) (.cse6 (and (not .cse0) .cse1 (= ~a16~0 1)))) (or (and .cse0 .cse1 (<= ~a20~0 0)) (and .cse2 .cse3 .cse1) (and .cse2 .cse4 .cse1 .cse5) (and .cse0 .cse1 .cse5) (and .cse4 .cse3 .cse1) (and .cse4 .cse6 .cse5) (and (= 1 ~a6~0) .cse1) (and .cse3 .cse6) (and (= 1 ~a3~0) .cse1) (and (<= ~a3~0 0) (and .cse0 .cse1))))) [2019-10-22 08:57:44,101 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,101 INFO L443 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,101 INFO L443 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,101 INFO L443 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-10-22 08:57:44,101 INFO L443 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-10-22 08:57:44,101 INFO L443 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,101 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,101 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:57:44,101 INFO L443 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,102 INFO L446 ceAbstractionStarter]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-10-22 08:57:44,102 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,102 INFO L443 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,102 INFO L443 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,102 INFO L443 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,102 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,102 INFO L443 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,102 INFO L443 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-10-22 08:57:44,102 INFO L443 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-10-22 08:57:44,102 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,103 INFO L443 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,103 INFO L443 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,103 INFO L443 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,103 INFO L443 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,103 INFO L443 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,103 INFO L443 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,104 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,105 INFO L443 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,105 INFO L443 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-10-22 08:57:44,105 INFO L443 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-10-22 08:57:44,106 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,106 INFO L443 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,106 INFO L443 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-10-22 08:57:44,106 INFO L443 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-10-22 08:57:44,106 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,106 INFO L439 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse0 (= ~a27~0 1)) (.cse1 (= ~a5~0 1))) (let ((.cse2 (not (= 0 ~a3~0))) (.cse4 (<= ~a6~0 0)) (.cse5 (= ~a11~0 1)) (.cse3 (= ~a12~0 1)) (.cse6 (and (not .cse0) .cse1 (= ~a16~0 1)))) (or (and .cse0 .cse1 (<= ~a20~0 0)) (and .cse2 .cse3 .cse1) (and .cse2 .cse4 .cse1 .cse5) (and .cse0 .cse1 .cse5) (and .cse4 .cse3 .cse1) (and .cse4 .cse6 .cse5) (and (= 1 ~a6~0) .cse1) (and .cse3 .cse6) (and (= 1 ~a3~0) .cse1) (and (<= ~a3~0 0) (and .cse0 .cse1))))) [2019-10-22 08:57:44,106 INFO L443 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,106 INFO L443 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,107 INFO L443 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,107 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,107 INFO L443 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-10-22 08:57:44,107 INFO L443 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-10-22 08:57:44,107 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,107 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,108 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,108 INFO L443 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,108 INFO L443 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,108 INFO L443 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,108 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1560) no Hoare annotation was computed. [2019-10-22 08:57:44,108 INFO L443 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,108 INFO L443 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,108 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-10-22 08:57:44,109 INFO L443 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-10-22 08:57:44,109 INFO L443 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-10-22 08:57:44,109 INFO L443 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,109 INFO L443 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-10-22 08:57:44,109 INFO L443 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,109 INFO L443 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,109 INFO L443 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-10-22 08:57:44,109 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,109 INFO L443 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,109 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,110 INFO L443 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,110 INFO L443 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,110 INFO L443 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-10-22 08:57:44,110 INFO L443 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,110 INFO L443 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-10-22 08:57:44,110 INFO L443 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-10-22 08:57:44,110 INFO L443 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-10-22 08:57:44,110 INFO L443 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,110 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,111 INFO L443 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,111 INFO L443 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,111 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,111 INFO L443 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,111 INFO L443 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,111 INFO L443 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,111 INFO L443 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-10-22 08:57:44,111 INFO L443 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-10-22 08:57:44,111 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,111 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,112 INFO L443 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-10-22 08:57:44,112 INFO L443 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-10-22 08:57:44,112 INFO L443 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-10-22 08:57:44,112 INFO L443 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,112 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,112 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,112 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,112 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,112 INFO L443 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,112 INFO L443 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,113 INFO L443 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,113 INFO L443 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,113 INFO L443 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,113 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,113 INFO L443 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-10-22 08:57:44,118 INFO L443 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-10-22 08:57:44,118 INFO L443 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-10-22 08:57:44,118 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:57:44,118 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,118 INFO L443 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,118 INFO L443 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,119 INFO L443 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,119 INFO L443 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,119 INFO L443 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,119 INFO L443 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,119 INFO L443 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-10-22 08:57:44,119 INFO L443 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-10-22 08:57:44,119 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,120 INFO L443 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-10-22 08:57:44,121 INFO L443 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-10-22 08:57:44,122 INFO L443 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-10-22 08:57:44,122 INFO L443 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,122 INFO L443 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,122 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,122 INFO L443 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,122 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,123 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-10-22 08:57:44,123 INFO L443 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-10-22 08:57:44,123 INFO L443 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,123 INFO L443 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,123 INFO L443 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,123 INFO L443 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-10-22 08:57:44,123 INFO L443 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-10-22 08:57:44,123 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,123 INFO L443 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-10-22 08:57:44,123 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,124 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,124 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,124 INFO L443 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,124 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,124 INFO L443 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,124 INFO L443 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,124 INFO L443 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,124 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,124 INFO L443 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,124 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:57:44,125 INFO L443 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-10-22 08:57:44,125 INFO L443 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-10-22 08:57:44,125 INFO L443 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-10-22 08:57:44,125 INFO L443 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,125 INFO L443 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-10-22 08:57:44,127 INFO L443 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-10-22 08:57:44,128 INFO L443 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,128 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,128 INFO L443 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,128 INFO L443 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,128 INFO L443 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,128 INFO L443 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,128 INFO L443 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,128 INFO L443 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,128 INFO L443 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,128 INFO L443 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-10-22 08:57:44,128 INFO L443 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-10-22 08:57:44,128 INFO L443 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-10-22 08:57:44,128 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,129 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,129 INFO L443 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,129 INFO L443 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,129 INFO L443 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:57:44,129 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,129 INFO L443 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-10-22 08:57:44,129 INFO L443 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-10-22 08:57:44,129 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,129 INFO L443 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-10-22 08:57:44,129 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-10-22 08:57:44,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:44 BoogieIcfgContainer [2019-10-22 08:57:44,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:44,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:44,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:44,147 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:44,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:21" (3/4) ... [2019-10-22 08:57:44,150 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:57:44,173 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:57:44,175 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:57:44,384 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4e27d732-4d72-43bc-9b68-10d81288d822/bin/uautomizer/witness.graphml [2019-10-22 08:57:44,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:44,386 INFO L168 Benchmark]: Toolchain (without parser) took 26487.06 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 944.5 MB in the beginning and 682.3 MB in the end (delta: 262.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,386 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:44,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1051.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.06 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,387 INFO L168 Benchmark]: Boogie Preprocessor took 88.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,387 INFO L168 Benchmark]: RCFGBuilder took 2227.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -144.6 MB). Peak memory consumption was 264.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,387 INFO L168 Benchmark]: TraceAbstraction took 22770.17 ms. Allocated memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: 919.6 MB). Free memory was 1.2 GB in the beginning and 741.4 MB in the end (delta: 482.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,388 INFO L168 Benchmark]: Witness Printer took 237.89 ms. Allocated memory is still 2.2 GB. Free memory was 741.4 MB in the beginning and 682.3 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,389 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1051.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.06 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2227.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -144.6 MB). Peak memory consumption was 264.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22770.17 ms. Allocated memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: 919.6 MB). Free memory was 1.2 GB in the beginning and 741.4 MB in the end (delta: 482.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 237.89 ms. Allocated memory is still 2.2 GB. Free memory was 741.4 MB in the beginning and 682.3 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1560]: 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: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1658]: Loop Invariant Derived loop invariant: ((((((((((a27 == 1 && a5 == 1) && a20 <= 0) || ((!(0 == a3) && a12 == 1) && a5 == 1)) || (((!(0 == a3) && a6 <= 0) && a5 == 1) && a11 == 1)) || ((a27 == 1 && a5 == 1) && a11 == 1)) || ((a6 <= 0 && a12 == 1) && a5 == 1)) || ((a6 <= 0 && (!(a27 == 1) && a5 == 1) && a16 == 1) && a11 == 1)) || (1 == a6 && a5 == 1)) || (a12 == 1 && (!(a27 == 1) && a5 == 1) && a16 == 1)) || (1 == a3 && a5 == 1)) || (a3 <= 0 && a27 == 1 && a5 == 1) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((((((a27 == 1 && a5 == 1) && a20 <= 0) || ((!(0 == a3) && a12 == 1) && a5 == 1)) || (((!(0 == a3) && a6 <= 0) && a5 == 1) && a11 == 1)) || ((a27 == 1 && a5 == 1) && a11 == 1)) || ((a6 <= 0 && a12 == 1) && a5 == 1)) || ((a6 <= 0 && (!(a27 == 1) && a5 == 1) && a16 == 1) && a11 == 1)) || (1 == a6 && a5 == 1)) || (a12 == 1 && (!(a27 == 1) && a5 == 1) && a16 == 1)) || (1 == a3 && a5 == 1)) || (a3 <= 0 && a27 == 1 && a5 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 22.6s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, HoareTripleCheckerStatistics: 2616 SDtfs, 3706 SDslu, 983 SDs, 0 SdLazy, 7907 SolverSat, 1523 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 837 GetRequests, 808 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52120occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 7614 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 508 NumberOfFragments, 229 HoareAnnotationTreeSize, 3 FomulaSimplifications, 8936 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 5926 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 3599 NumberOfCodeBlocks, 3599 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3584 ConstructedInterpolants, 0 QuantifiedInterpolants, 1628307 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1522 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 1274/1293 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...