./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/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 d443bde2b4ed91a040fe01a253a772dbee49a394 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:48:53,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:48:53,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:48:53,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:48:53,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:48:53,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:48:53,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:48:53,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:48:53,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:48:53,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:48:53,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:48:53,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:48:53,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:48:53,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:48:53,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:48:53,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:48:53,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:48:53,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:48:53,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:48:53,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:48:53,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:48:53,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:48:53,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:48:53,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:48:53,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:48:53,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:48:53,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:48:53,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:48:53,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:48:53,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:48:53,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:48:53,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:48:53,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:48:53,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:48:53,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:48:53,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:48:53,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:48:53,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:48:53,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:48:53,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:48:53,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:48:53,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 13:48:53,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:48:53,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:48:53,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:48:53,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:48:53,741 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:48:53,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:48:53,741 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:48:53,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:48:53,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:48:53,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:48:53,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:48:53,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:48:53,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:48:53,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:48:53,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:48:53,743 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:48:53,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:48:53,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:48:53,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:48:53,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:48:53,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:48:53,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:48:53,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:48:53,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:48:53,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:48:53,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:48:53,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:48:53,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:48:53,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:48:53,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/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 -> d443bde2b4ed91a040fe01a253a772dbee49a394 [2019-12-07 13:48:53,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:48:53,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:48:53,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:48:53,866 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:48:53,866 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:48:53,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2019-12-07 13:48:53,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/bin/uautomizer/data/5797eda82/248a02a2f98f49178c9f93c6e3e3bcf0/FLAG96fe35873 [2019-12-07 13:48:54,401 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:48:54,402 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2019-12-07 13:48:54,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/bin/uautomizer/data/5797eda82/248a02a2f98f49178c9f93c6e3e3bcf0/FLAG96fe35873 [2019-12-07 13:48:54,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/bin/uautomizer/data/5797eda82/248a02a2f98f49178c9f93c6e3e3bcf0 [2019-12-07 13:48:54,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:48:54,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:48:54,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:48:54,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:48:54,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:48:54,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:48:54" (1/1) ... [2019-12-07 13:48:54,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ffc5a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:54, skipping insertion in model container [2019-12-07 13:48:54,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:48:54" (1/1) ... [2019-12-07 13:48:54,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:48:54,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:48:54,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:48:54,877 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:48:55,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:48:55,028 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:48:55,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:55 WrapperNode [2019-12-07 13:48:55,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:48:55,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:48:55,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:48:55,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:48:55,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:55" (1/1) ... [2019-12-07 13:48:55,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:55" (1/1) ... [2019-12-07 13:48:55,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:48:55,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:48:55,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:48:55,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:48:55,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:55" (1/1) ... [2019-12-07 13:48:55,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:55" (1/1) ... [2019-12-07 13:48:55,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:55" (1/1) ... [2019-12-07 13:48:55,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:55" (1/1) ... [2019-12-07 13:48:55,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:55" (1/1) ... [2019-12-07 13:48:55,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:55" (1/1) ... [2019-12-07 13:48:55,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:55" (1/1) ... [2019-12-07 13:48:55,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:48:55,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:48:55,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:48:55,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:48:55,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/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 [2019-12-07 13:48:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:48:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:48:56,421 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:48:56,422 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 13:48:56,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:48:56 BoogieIcfgContainer [2019-12-07 13:48:56,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:48:56,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:48:56,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:48:56,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:48:56,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:48:54" (1/3) ... [2019-12-07 13:48:56,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c33ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:48:56, skipping insertion in model container [2019-12-07 13:48:56,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:55" (2/3) ... [2019-12-07 13:48:56,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c33ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:48:56, skipping insertion in model container [2019-12-07 13:48:56,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:48:56" (3/3) ... [2019-12-07 13:48:56,429 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label24.c [2019-12-07 13:48:56,435 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:48:56,440 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:48:56,448 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:48:56,471 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:48:56,472 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:48:56,472 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:48:56,472 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:48:56,472 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:48:56,472 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:48:56,473 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:48:56,473 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:48:56,492 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-12-07 13:48:56,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-07 13:48:56,503 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:48:56,504 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:48:56,504 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:48:56,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:48:56,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1612939027, now seen corresponding path program 1 times [2019-12-07 13:48:56,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:48:56,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851816471] [2019-12-07 13:48:56,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:48:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:48:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:48:56,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851816471] [2019-12-07 13:48:56,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:48:56,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:48:56,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114228468] [2019-12-07 13:48:56,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:48:56,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:48:56,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:48:56,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:48:56,915 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2019-12-07 13:48:58,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:48:58,155 INFO L93 Difference]: Finished difference Result 1023 states and 1861 transitions. [2019-12-07 13:48:58,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:48:58,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 191 [2019-12-07 13:48:58,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:48:58,170 INFO L225 Difference]: With dead ends: 1023 [2019-12-07 13:48:58,170 INFO L226 Difference]: Without dead ends: 654 [2019-12-07 13:48:58,174 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:48:58,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-12-07 13:48:58,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 652. [2019-12-07 13:48:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2019-12-07 13:48:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 964 transitions. [2019-12-07 13:48:58,225 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 964 transitions. Word has length 191 [2019-12-07 13:48:58,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:48:58,226 INFO L462 AbstractCegarLoop]: Abstraction has 652 states and 964 transitions. [2019-12-07 13:48:58,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:48:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 964 transitions. [2019-12-07 13:48:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-07 13:48:58,231 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:48:58,231 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:48:58,231 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:48:58,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:48:58,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1561555348, now seen corresponding path program 1 times [2019-12-07 13:48:58,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:48:58,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316160824] [2019-12-07 13:48:58,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:48:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:48:58,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:48:58,314 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316160824] [2019-12-07 13:48:58,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:48:58,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:48:58,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771762603] [2019-12-07 13:48:58,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:48:58,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:48:58,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:48:58,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:48:58,316 INFO L87 Difference]: Start difference. First operand 652 states and 964 transitions. Second operand 3 states. [2019-12-07 13:48:58,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:48:58,967 INFO L93 Difference]: Finished difference Result 1929 states and 2864 transitions. [2019-12-07 13:48:58,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:48:58,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-12-07 13:48:58,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:48:58,973 INFO L225 Difference]: With dead ends: 1929 [2019-12-07 13:48:58,973 INFO L226 Difference]: Without dead ends: 1279 [2019-12-07 13:48:58,976 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:48:58,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-12-07 13:48:59,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1265. [2019-12-07 13:48:59,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2019-12-07 13:48:59,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1832 transitions. [2019-12-07 13:48:59,007 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1832 transitions. Word has length 199 [2019-12-07 13:48:59,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:48:59,008 INFO L462 AbstractCegarLoop]: Abstraction has 1265 states and 1832 transitions. [2019-12-07 13:48:59,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:48:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1832 transitions. [2019-12-07 13:48:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-12-07 13:48:59,011 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:48:59,011 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:48:59,012 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:48:59,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:48:59,012 INFO L82 PathProgramCache]: Analyzing trace with hash -252433271, now seen corresponding path program 1 times [2019-12-07 13:48:59,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:48:59,012 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247789357] [2019-12-07 13:48:59,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:48:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:48:59,141 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 13:48:59,141 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247789357] [2019-12-07 13:48:59,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:48:59,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:48:59,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272045177] [2019-12-07 13:48:59,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:48:59,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:48:59,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:48:59,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:48:59,143 INFO L87 Difference]: Start difference. First operand 1265 states and 1832 transitions. Second operand 3 states. [2019-12-07 13:48:59,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:48:59,851 INFO L93 Difference]: Finished difference Result 3758 states and 5448 transitions. [2019-12-07 13:48:59,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:48:59,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-12-07 13:48:59,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:48:59,862 INFO L225 Difference]: With dead ends: 3758 [2019-12-07 13:48:59,862 INFO L226 Difference]: Without dead ends: 2495 [2019-12-07 13:48:59,863 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:48:59,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2019-12-07 13:48:59,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2493. [2019-12-07 13:48:59,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2019-12-07 13:48:59,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 3402 transitions. [2019-12-07 13:48:59,902 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 3402 transitions. Word has length 206 [2019-12-07 13:48:59,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:48:59,902 INFO L462 AbstractCegarLoop]: Abstraction has 2493 states and 3402 transitions. [2019-12-07 13:48:59,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:48:59,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 3402 transitions. [2019-12-07 13:48:59,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-12-07 13:48:59,907 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:48:59,907 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:48:59,908 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:48:59,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:48:59,908 INFO L82 PathProgramCache]: Analyzing trace with hash -225243153, now seen corresponding path program 1 times [2019-12-07 13:48:59,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:48:59,908 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218849014] [2019-12-07 13:48:59,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:48:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:48:59,985 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 13:48:59,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218849014] [2019-12-07 13:48:59,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:48:59,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:48:59,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632314126] [2019-12-07 13:48:59,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:48:59,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:48:59,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:48:59,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:48:59,987 INFO L87 Difference]: Start difference. First operand 2493 states and 3402 transitions. Second operand 4 states. [2019-12-07 13:49:00,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:00,752 INFO L93 Difference]: Finished difference Result 4955 states and 6763 transitions. [2019-12-07 13:49:00,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:49:00,752 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2019-12-07 13:49:00,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:00,761 INFO L225 Difference]: With dead ends: 4955 [2019-12-07 13:49:00,761 INFO L226 Difference]: Without dead ends: 2464 [2019-12-07 13:49:00,764 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:49:00,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2019-12-07 13:49:00,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 2464. [2019-12-07 13:49:00,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2464 states. [2019-12-07 13:49:00,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3263 transitions. [2019-12-07 13:49:00,797 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3263 transitions. Word has length 216 [2019-12-07 13:49:00,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:00,797 INFO L462 AbstractCegarLoop]: Abstraction has 2464 states and 3263 transitions. [2019-12-07 13:49:00,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:49:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3263 transitions. [2019-12-07 13:49:00,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-12-07 13:49:00,801 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:00,802 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:49:00,802 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:00,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:00,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1464925484, now seen corresponding path program 1 times [2019-12-07 13:49:00,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:49:00,802 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37377143] [2019-12-07 13:49:00,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:49:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:00,880 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 13:49:00,880 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37377143] [2019-12-07 13:49:00,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:49:00,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:49:00,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378014148] [2019-12-07 13:49:00,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:49:00,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:49:00,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:49:00,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:49:00,881 INFO L87 Difference]: Start difference. First operand 2464 states and 3263 transitions. Second operand 4 states. [2019-12-07 13:49:02,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:02,024 INFO L93 Difference]: Finished difference Result 9843 states and 13038 transitions. [2019-12-07 13:49:02,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:49:02,025 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2019-12-07 13:49:02,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:02,050 INFO L225 Difference]: With dead ends: 9843 [2019-12-07 13:49:02,050 INFO L226 Difference]: Without dead ends: 7381 [2019-12-07 13:49:02,053 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:49:02,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7381 states. [2019-12-07 13:49:02,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7381 to 7377. [2019-12-07 13:49:02,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7377 states. [2019-12-07 13:49:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7377 states to 7377 states and 9720 transitions. [2019-12-07 13:49:02,141 INFO L78 Accepts]: Start accepts. Automaton has 7377 states and 9720 transitions. Word has length 218 [2019-12-07 13:49:02,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:02,141 INFO L462 AbstractCegarLoop]: Abstraction has 7377 states and 9720 transitions. [2019-12-07 13:49:02,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:49:02,141 INFO L276 IsEmpty]: Start isEmpty. Operand 7377 states and 9720 transitions. [2019-12-07 13:49:02,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-12-07 13:49:02,148 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:02,148 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:49:02,149 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:02,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:02,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1826592161, now seen corresponding path program 1 times [2019-12-07 13:49:02,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:49:02,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335051815] [2019-12-07 13:49:02,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:49:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:02,201 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 13:49:02,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335051815] [2019-12-07 13:49:02,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:49:02,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:49:02,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337224177] [2019-12-07 13:49:02,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:49:02,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:49:02,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:49:02,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:49:02,203 INFO L87 Difference]: Start difference. First operand 7377 states and 9720 transitions. Second operand 3 states. [2019-12-07 13:49:02,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:02,832 INFO L93 Difference]: Finished difference Result 14758 states and 19450 transitions. [2019-12-07 13:49:02,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:49:02,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-12-07 13:49:02,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:02,856 INFO L225 Difference]: With dead ends: 14758 [2019-12-07 13:49:02,856 INFO L226 Difference]: Without dead ends: 7383 [2019-12-07 13:49:02,860 INFO L630 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 [2019-12-07 13:49:02,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2019-12-07 13:49:02,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7377. [2019-12-07 13:49:02,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7377 states. [2019-12-07 13:49:02,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7377 states to 7377 states and 8865 transitions. [2019-12-07 13:49:02,945 INFO L78 Accepts]: Start accepts. Automaton has 7377 states and 8865 transitions. Word has length 222 [2019-12-07 13:49:02,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:02,945 INFO L462 AbstractCegarLoop]: Abstraction has 7377 states and 8865 transitions. [2019-12-07 13:49:02,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:49:02,945 INFO L276 IsEmpty]: Start isEmpty. Operand 7377 states and 8865 transitions. [2019-12-07 13:49:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-12-07 13:49:02,949 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:02,950 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:49:02,950 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:02,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:02,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1919299954, now seen corresponding path program 1 times [2019-12-07 13:49:02,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:49:02,950 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224769990] [2019-12-07 13:49:02,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:49:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:03,022 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 13:49:03,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224769990] [2019-12-07 13:49:03,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:49:03,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:49:03,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196274736] [2019-12-07 13:49:03,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:49:03,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:49:03,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:49:03,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:49:03,024 INFO L87 Difference]: Start difference. First operand 7377 states and 8865 transitions. Second operand 3 states. [2019-12-07 13:49:03,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:03,627 INFO L93 Difference]: Finished difference Result 21872 states and 26317 transitions. [2019-12-07 13:49:03,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:49:03,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2019-12-07 13:49:03,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:03,658 INFO L225 Difference]: With dead ends: 21872 [2019-12-07 13:49:03,658 INFO L226 Difference]: Without dead ends: 14497 [2019-12-07 13:49:03,664 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:49:03,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14497 states. [2019-12-07 13:49:03,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14497 to 14488. [2019-12-07 13:49:03,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14488 states. [2019-12-07 13:49:03,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14488 states to 14488 states and 17031 transitions. [2019-12-07 13:49:03,798 INFO L78 Accepts]: Start accepts. Automaton has 14488 states and 17031 transitions. Word has length 240 [2019-12-07 13:49:03,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:03,798 INFO L462 AbstractCegarLoop]: Abstraction has 14488 states and 17031 transitions. [2019-12-07 13:49:03,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:49:03,798 INFO L276 IsEmpty]: Start isEmpty. Operand 14488 states and 17031 transitions. [2019-12-07 13:49:03,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-12-07 13:49:03,805 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:03,805 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:49:03,806 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:03,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:03,806 INFO L82 PathProgramCache]: Analyzing trace with hash 237647221, now seen corresponding path program 1 times [2019-12-07 13:49:03,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:49:03,806 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915917818] [2019-12-07 13:49:03,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:49:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:49:03,891 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915917818] [2019-12-07 13:49:03,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:49:03,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:49:03,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574884725] [2019-12-07 13:49:03,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:49:03,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:49:03,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:49:03,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:49:03,893 INFO L87 Difference]: Start difference. First operand 14488 states and 17031 transitions. Second operand 4 states. [2019-12-07 13:49:04,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:04,630 INFO L93 Difference]: Finished difference Result 28974 states and 34060 transitions. [2019-12-07 13:49:04,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:49:04,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 245 [2019-12-07 13:49:04,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:04,646 INFO L225 Difference]: With dead ends: 28974 [2019-12-07 13:49:04,646 INFO L226 Difference]: Without dead ends: 14488 [2019-12-07 13:49:04,656 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:49:04,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14488 states. [2019-12-07 13:49:04,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14488 to 14488. [2019-12-07 13:49:04,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14488 states. [2019-12-07 13:49:04,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14488 states to 14488 states and 16609 transitions. [2019-12-07 13:49:04,784 INFO L78 Accepts]: Start accepts. Automaton has 14488 states and 16609 transitions. Word has length 245 [2019-12-07 13:49:04,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:04,784 INFO L462 AbstractCegarLoop]: Abstraction has 14488 states and 16609 transitions. [2019-12-07 13:49:04,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:49:04,784 INFO L276 IsEmpty]: Start isEmpty. Operand 14488 states and 16609 transitions. [2019-12-07 13:49:04,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-12-07 13:49:04,789 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:04,789 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:49:04,790 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:04,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:04,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1556480726, now seen corresponding path program 1 times [2019-12-07 13:49:04,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:49:04,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336130805] [2019-12-07 13:49:04,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:49:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:04,855 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-07 13:49:04,855 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336130805] [2019-12-07 13:49:04,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:49:04,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:49:04,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850019762] [2019-12-07 13:49:04,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:49:04,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:49:04,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:49:04,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:49:04,857 INFO L87 Difference]: Start difference. First operand 14488 states and 16609 transitions. Second operand 3 states. [2019-12-07 13:49:05,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:05,484 INFO L93 Difference]: Finished difference Result 35718 states and 40926 transitions. [2019-12-07 13:49:05,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:49:05,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-12-07 13:49:05,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:05,500 INFO L225 Difference]: With dead ends: 35718 [2019-12-07 13:49:05,501 INFO L226 Difference]: Without dead ends: 21232 [2019-12-07 13:49:05,511 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:49:05,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21232 states. [2019-12-07 13:49:05,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21232 to 21227. [2019-12-07 13:49:05,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21227 states. [2019-12-07 13:49:05,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21227 states to 21227 states and 24282 transitions. [2019-12-07 13:49:05,686 INFO L78 Accepts]: Start accepts. Automaton has 21227 states and 24282 transitions. Word has length 253 [2019-12-07 13:49:05,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:05,687 INFO L462 AbstractCegarLoop]: Abstraction has 21227 states and 24282 transitions. [2019-12-07 13:49:05,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:49:05,687 INFO L276 IsEmpty]: Start isEmpty. Operand 21227 states and 24282 transitions. [2019-12-07 13:49:05,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-12-07 13:49:05,731 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:05,731 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:49:05,731 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:05,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:05,732 INFO L82 PathProgramCache]: Analyzing trace with hash 474797067, now seen corresponding path program 1 times [2019-12-07 13:49:05,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:49:05,732 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716930750] [2019-12-07 13:49:05,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:49:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:05,820 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-07 13:49:05,821 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716930750] [2019-12-07 13:49:05,821 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675277359] [2019-12-07 13:49:05,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/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 [2019-12-07 13:49:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:05,921 INFO L264 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:49:05,934 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:49:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-12-07 13:49:06,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 13:49:06,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2019-12-07 13:49:06,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314691224] [2019-12-07 13:49:06,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:49:06,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:49:06,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:49:06,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:49:06,017 INFO L87 Difference]: Start difference. First operand 21227 states and 24282 transitions. Second operand 3 states. [2019-12-07 13:49:06,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:06,909 INFO L93 Difference]: Finished difference Result 42470 states and 48598 transitions. [2019-12-07 13:49:06,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:49:06,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2019-12-07 13:49:06,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:06,928 INFO L225 Difference]: With dead ends: 42470 [2019-12-07 13:49:06,928 INFO L226 Difference]: Without dead ends: 21245 [2019-12-07 13:49:06,940 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:49:06,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21245 states. [2019-12-07 13:49:07,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21245 to 20618. [2019-12-07 13:49:07,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20618 states. [2019-12-07 13:49:07,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20618 states to 20618 states and 23185 transitions. [2019-12-07 13:49:07,175 INFO L78 Accepts]: Start accepts. Automaton has 20618 states and 23185 transitions. Word has length 260 [2019-12-07 13:49:07,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:07,176 INFO L462 AbstractCegarLoop]: Abstraction has 20618 states and 23185 transitions. [2019-12-07 13:49:07,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:49:07,176 INFO L276 IsEmpty]: Start isEmpty. Operand 20618 states and 23185 transitions. [2019-12-07 13:49:07,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-07 13:49:07,185 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:07,186 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:49:07,386 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:49:07,386 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:07,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:07,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1666597647, now seen corresponding path program 1 times [2019-12-07 13:49:07,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:49:07,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980199776] [2019-12-07 13:49:07,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:49:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:07,494 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-12-07 13:49:07,494 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980199776] [2019-12-07 13:49:07,494 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282766907] [2019-12-07 13:49:07,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/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 [2019-12-07 13:49:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:07,632 INFO L264 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 13:49:07,637 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:49:07,692 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-07 13:49:07,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 13:49:07,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-12-07 13:49:07,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031125981] [2019-12-07 13:49:07,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:49:07,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:49:07,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:49:07,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:49:07,693 INFO L87 Difference]: Start difference. First operand 20618 states and 23185 transitions. Second operand 3 states. [2019-12-07 13:49:08,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:08,362 INFO L93 Difference]: Finished difference Result 55276 states and 62224 transitions. [2019-12-07 13:49:08,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:49:08,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 270 [2019-12-07 13:49:08,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:08,392 INFO L225 Difference]: With dead ends: 55276 [2019-12-07 13:49:08,392 INFO L226 Difference]: Without dead ends: 34660 [2019-12-07 13:49:08,402 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:49:08,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34660 states. [2019-12-07 13:49:08,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34660 to 34625. [2019-12-07 13:49:08,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34625 states. [2019-12-07 13:49:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34625 states to 34625 states and 38656 transitions. [2019-12-07 13:49:08,681 INFO L78 Accepts]: Start accepts. Automaton has 34625 states and 38656 transitions. Word has length 270 [2019-12-07 13:49:08,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:08,681 INFO L462 AbstractCegarLoop]: Abstraction has 34625 states and 38656 transitions. [2019-12-07 13:49:08,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:49:08,681 INFO L276 IsEmpty]: Start isEmpty. Operand 34625 states and 38656 transitions. [2019-12-07 13:49:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-12-07 13:49:08,695 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:08,695 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:49:08,896 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:49:08,896 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:08,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:08,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1954846457, now seen corresponding path program 1 times [2019-12-07 13:49:08,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:49:08,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178478520] [2019-12-07 13:49:08,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:49:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:09,166 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:49:09,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178478520] [2019-12-07 13:49:09,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252947784] [2019-12-07 13:49:09,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/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 [2019-12-07 13:49:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:09,272 INFO L264 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:49:09,276 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:49:09,333 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-07 13:49:09,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 13:49:09,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-12-07 13:49:09,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387841022] [2019-12-07 13:49:09,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:49:09,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:49:09,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:49:09,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:49:09,335 INFO L87 Difference]: Start difference. First operand 34625 states and 38656 transitions. Second operand 3 states. [2019-12-07 13:49:10,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:10,349 INFO L93 Difference]: Finished difference Result 69874 states and 77969 transitions. [2019-12-07 13:49:10,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:49:10,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2019-12-07 13:49:10,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:10,350 INFO L225 Difference]: With dead ends: 69874 [2019-12-07 13:49:10,351 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:49:10,369 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 283 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:49:10,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:49:10,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:49:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:49:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:49:10,370 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 284 [2019-12-07 13:49:10,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:10,370 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:49:10,370 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:49:10,370 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:49:10,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:49:10,571 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:49:10,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:49:10,698 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2019-12-07 13:49:11,030 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-12-07 13:49:11,271 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-12-07 13:49:11,273 INFO L246 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-12-07 13:49:11,273 INFO L246 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-12-07 13:49:11,273 INFO L246 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,274 INFO L246 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-12-07 13:49:11,275 INFO L246 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-12-07 13:49:11,276 INFO L246 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,277 INFO L246 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-12-07 13:49:11,278 INFO L246 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,279 INFO L246 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,280 INFO L246 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,281 INFO L242 CegarLoopResult]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse8 (= ~a26~0 1)) (.cse9 (<= ~a12~0 0)) (.cse1 (= 1 ~a3~0)) (.cse6 (= 1 ~a6~0)) (.cse10 (not (= 0 ~a3~0))) (.cse7 (= ~a27~0 1)) (.cse5 (<= ~a3~0 0)) (.cse0 (<= ~a6~0 0)) (.cse2 (= 1 ~a5~0)) (.cse3 (= ~a12~0 1)) (.cse4 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse7 .cse2 .cse3 .cse8) (and .cse7 .cse2 .cse6 .cse3 .cse8) (and .cse2 .cse6 .cse3 .cse8 .cse4) (and .cse0 .cse9 .cse2 .cse8 .cse4) (and .cse0 .cse9 .cse7 .cse2) (and .cse7 .cse2 .cse6 .cse3 (= ~a15~0 1)) (and .cse10 .cse0 .cse9 .cse2 .cse4) (and .cse0 .cse2 .cse3 .cse8 .cse4) (and .cse5 .cse9 .cse2 .cse6) (and .cse10 .cse7 .cse2 .cse6 .cse3) (and .cse9 .cse2 .cse6 .cse4) (and .cse9 .cse7 .cse2 .cse6) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= ~a10~0 1) .cse2 .cse6 .cse3 (not (= 1 ~a7~0)) .cse4) (and .cse10 .cse0 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3 .cse4))) [2019-12-07 13:49:11,281 INFO L246 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,281 INFO L246 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,281 INFO L246 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,281 INFO L246 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-12-07 13:49:11,281 INFO L246 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-12-07 13:49:11,281 INFO L246 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,281 INFO L246 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,281 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:49:11,281 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1608) no Hoare annotation was computed. [2019-12-07 13:49:11,281 INFO L246 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,281 INFO L249 CegarLoopResult]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-12-07 13:49:11,281 INFO L246 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,281 INFO L246 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,282 INFO L246 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L242 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse8 (= ~a26~0 1)) (.cse9 (<= ~a12~0 0)) (.cse1 (= 1 ~a3~0)) (.cse6 (= 1 ~a6~0)) (.cse10 (not (= 0 ~a3~0))) (.cse7 (= ~a27~0 1)) (.cse5 (<= ~a3~0 0)) (.cse0 (<= ~a6~0 0)) (.cse2 (= 1 ~a5~0)) (.cse3 (= ~a12~0 1)) (.cse4 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse7 .cse2 .cse3 .cse8) (and .cse7 .cse2 .cse6 .cse3 .cse8) (and .cse2 .cse6 .cse3 .cse8 .cse4) (and .cse0 .cse9 .cse2 .cse8 .cse4) (and .cse0 .cse9 .cse7 .cse2) (and .cse7 .cse2 .cse6 .cse3 (= ~a15~0 1)) (and .cse10 .cse0 .cse9 .cse2 .cse4) (and .cse0 .cse2 .cse3 .cse8 .cse4) (and .cse5 .cse9 .cse2 .cse6) (and .cse10 .cse7 .cse2 .cse6 .cse3) (and .cse9 .cse2 .cse6 .cse4) (and .cse9 .cse7 .cse2 .cse6) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= ~a10~0 1) .cse2 .cse6 .cse3 (not (= 1 ~a7~0)) .cse4) (and .cse10 .cse0 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3 .cse4))) [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,283 INFO L246 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,284 INFO L246 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,285 INFO L246 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,286 INFO L246 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,286 INFO L246 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,286 INFO L246 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,286 INFO L246 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,286 INFO L246 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,286 INFO L246 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-12-07 13:49:11,286 INFO L246 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-12-07 13:49:11,286 INFO L246 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-12-07 13:49:11,286 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:49:11,286 INFO L246 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,286 INFO L246 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,286 INFO L246 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,287 INFO L246 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,287 INFO L246 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,287 INFO L246 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,287 INFO L246 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,287 INFO L246 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-12-07 13:49:11,287 INFO L246 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-12-07 13:49:11,287 INFO L246 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,287 INFO L246 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-12-07 13:49:11,287 INFO L246 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-12-07 13:49:11,287 INFO L246 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-12-07 13:49:11,287 INFO L246 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,287 INFO L246 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,288 INFO L246 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,288 INFO L246 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,288 INFO L246 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,288 INFO L246 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-12-07 13:49:11,288 INFO L246 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-12-07 13:49:11,288 INFO L246 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,288 INFO L246 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,288 INFO L246 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,288 INFO L246 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-12-07 13:49:11,288 INFO L246 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-12-07 13:49:11,288 INFO L246 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,289 INFO L246 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-12-07 13:49:11,289 INFO L246 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,289 INFO L246 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,289 INFO L246 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,289 INFO L246 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,289 INFO L246 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,289 INFO L246 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,289 INFO L246 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,289 INFO L246 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,289 INFO L246 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,289 INFO L246 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,289 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:49:11,289 INFO L246 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-12-07 13:49:11,290 INFO L246 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-12-07 13:49:11,290 INFO L246 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-12-07 13:49:11,290 INFO L246 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,290 INFO L246 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-12-07 13:49:11,290 INFO L246 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-12-07 13:49:11,290 INFO L246 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,290 INFO L246 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,290 INFO L246 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,290 INFO L246 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,290 INFO L246 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,290 INFO L246 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,290 INFO L246 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,290 INFO L246 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,291 INFO L246 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,291 INFO L246 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-12-07 13:49:11,291 INFO L246 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-12-07 13:49:11,291 INFO L246 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-12-07 13:49:11,291 INFO L246 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,291 INFO L246 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,291 INFO L246 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,291 INFO L246 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,291 INFO L246 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 13:49:11,291 INFO L246 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,291 INFO L246 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-12-07 13:49:11,291 INFO L246 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-12-07 13:49:11,291 INFO L246 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,292 INFO L246 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-12-07 13:49:11,292 INFO L246 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-12-07 13:49:11,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:49:11 BoogieIcfgContainer [2019-12-07 13:49:11,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:49:11,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:49:11,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:49:11,320 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:49:11,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:48:56" (3/4) ... [2019-12-07 13:49:11,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:49:11,354 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 13:49:11,357 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:49:11,494 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4e776fe4-b578-4fe6-92e1-a4c17acc426a/bin/uautomizer/witness.graphml [2019-12-07 13:49:11,494 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:49:11,495 INFO L168 Benchmark]: Toolchain (without parser) took 17069.01 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 818.9 MB). Free memory was 934.0 MB in the beginning and 908.0 MB in the end (delta: 26.0 MB). Peak memory consumption was 844.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:11,495 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:49:11,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 934.0 MB in the beginning and 1.0 GB in the end (delta: -96.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:11,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:11,496 INFO L168 Benchmark]: Boogie Preprocessor took 63.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 998.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:11,496 INFO L168 Benchmark]: RCFGBuilder took 1248.55 ms. Allocated memory is still 1.1 GB. Free memory was 998.4 MB in the beginning and 977.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 189.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:11,496 INFO L168 Benchmark]: TraceAbstraction took 14896.16 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 720.9 MB). Free memory was 977.6 MB in the beginning and 951.8 MB in the end (delta: 25.8 MB). Peak memory consumption was 746.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:11,497 INFO L168 Benchmark]: Witness Printer took 174.24 ms. Allocated memory is still 1.8 GB. Free memory was 951.8 MB in the beginning and 908.0 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:11,498 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 601.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 934.0 MB in the beginning and 1.0 GB in the end (delta: -96.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 998.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1248.55 ms. Allocated memory is still 1.1 GB. Free memory was 998.4 MB in the beginning and 977.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 189.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14896.16 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 720.9 MB). Free memory was 977.6 MB in the beginning and 951.8 MB in the end (delta: 25.8 MB). Peak memory consumption was 746.7 MB. Max. memory is 11.5 GB. * Witness Printer took 174.24 ms. Allocated memory is still 1.8 GB. Free memory was 951.8 MB in the beginning and 908.0 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1608]: 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: ((((((((((((((((((((a6 <= 0 && 1 == a3) && 1 == a5) && a12 == 1) && a27 <= 0) || ((((a3 <= 0 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || ((((a6 <= 0 && a27 == 1) && 1 == a5) && a12 == 1) && a26 == 1)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a26 == 1)) || ((((1 == a5 && 1 == a6) && a12 == 1) && a26 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 <= 0) && 1 == a5) && a26 == 1) && a27 <= 0)) || (((a6 <= 0 && a12 <= 0) && a27 == 1) && 1 == a5)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a15 == 1)) || ((((!(0 == a3) && a6 <= 0) && a12 <= 0) && 1 == a5) && a27 <= 0)) || ((((a6 <= 0 && 1 == a5) && a12 == 1) && a26 == 1) && a27 <= 0)) || (((a3 <= 0 && a12 <= 0) && 1 == a5) && 1 == a6)) || ((((!(0 == a3) && a27 == 1) && 1 == a5) && 1 == a6) && a12 == 1)) || (((a12 <= 0 && 1 == a5) && 1 == a6) && a27 <= 0)) || (((a12 <= 0 && a27 == 1) && 1 == a5) && 1 == a6)) || ((((1 == a3 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || (((((a10 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && !(1 == a7)) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a27 == 1) && 1 == a5) && a12 == 1)) || ((((a3 <= 0 && a6 <= 0) && 1 == a5) && a12 == 1) && a27 <= 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a6 <= 0 && 1 == a3) && 1 == a5) && a12 == 1) && a27 <= 0) || ((((a3 <= 0 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || ((((a6 <= 0 && a27 == 1) && 1 == a5) && a12 == 1) && a26 == 1)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a26 == 1)) || ((((1 == a5 && 1 == a6) && a12 == 1) && a26 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 <= 0) && 1 == a5) && a26 == 1) && a27 <= 0)) || (((a6 <= 0 && a12 <= 0) && a27 == 1) && 1 == a5)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a15 == 1)) || ((((!(0 == a3) && a6 <= 0) && a12 <= 0) && 1 == a5) && a27 <= 0)) || ((((a6 <= 0 && 1 == a5) && a12 == 1) && a26 == 1) && a27 <= 0)) || (((a3 <= 0 && a12 <= 0) && 1 == a5) && 1 == a6)) || ((((!(0 == a3) && a27 == 1) && 1 == a5) && 1 == a6) && a12 == 1)) || (((a12 <= 0 && 1 == a5) && 1 == a6) && a27 <= 0)) || (((a12 <= 0 && a27 == 1) && 1 == a5) && 1 == a6)) || ((((1 == a3 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || (((((a10 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && !(1 == a7)) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a27 == 1) && 1 == a5) && a12 == 1)) || ((((a3 <= 0 && a6 <= 0) && 1 == a5) && a12 == 1) && a27 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 14.1s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 2294 SDtfs, 3303 SDslu, 295 SDs, 0 SdLazy, 8498 SolverSat, 1746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 823 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34625occurred 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: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 704 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 352 NumberOfFragments, 569 HoareAnnotationTreeSize, 3 FomulaSimplifications, 7204 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 354 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 3618 NumberOfCodeBlocks, 3618 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3603 ConstructedInterpolants, 0 QuantifiedInterpolants, 1933145 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1507 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 1099/1113 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...