./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label54.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label54.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 53b983b7afabd36c3f52ff1a7123c853e0b66b99 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:21:55,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:55,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:55,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:55,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:55,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:55,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:55,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:55,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:55,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:55,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:55,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:55,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:55,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:55,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:55,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:55,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:55,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:55,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:55,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:55,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:55,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:55,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:55,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:55,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:55,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:55,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:55,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:55,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:55,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:55,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:55,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:55,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:55,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:55,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:55,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:55,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:55,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:55,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:55,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:55,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:55,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:21:55,103 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:55,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:55,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:55,104 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:55,104 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:55,104 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:55,104 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:55,104 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:55,104 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:55,105 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:55,105 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:55,105 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:55,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:55,106 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:55,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:55,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:55,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:55,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:55,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:55,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:55,107 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:55,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:55,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:55,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:55,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:55,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:55,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:55,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:55,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:55,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:55,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:55,109 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:55,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:55,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:55,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:55,110 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan 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 -> Taipan 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 -> 53b983b7afabd36c3f52ff1a7123c853e0b66b99 [2019-10-22 11:21:55,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:55,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:55,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:55,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:55,160 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:55,160 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label54.c [2019-10-22 11:21:55,203 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/data/2410c2c31/cd1b3c4cb2cf4b8db8c490cf05c8d8ee/FLAG7bbed10e2 [2019-10-22 11:21:55,658 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:55,658 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/sv-benchmarks/c/eca-rers2012/Problem10_label54.c [2019-10-22 11:21:55,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/data/2410c2c31/cd1b3c4cb2cf4b8db8c490cf05c8d8ee/FLAG7bbed10e2 [2019-10-22 11:21:55,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/data/2410c2c31/cd1b3c4cb2cf4b8db8c490cf05c8d8ee [2019-10-22 11:21:55,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:55,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:55,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:55,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:55,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:55,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:55" (1/1) ... [2019-10-22 11:21:55,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af3be52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55, skipping insertion in model container [2019-10-22 11:21:55,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:55" (1/1) ... [2019-10-22 11:21:56,002 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:56,063 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:56,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:56,523 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:56,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:56,651 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:56,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:56 WrapperNode [2019-10-22 11:21:56,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:56,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:56,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:56,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:56,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:56" (1/1) ... [2019-10-22 11:21:56,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:56" (1/1) ... [2019-10-22 11:21:56,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:56,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:56,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:56,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:56,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:56" (1/1) ... [2019-10-22 11:21:56,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:56" (1/1) ... [2019-10-22 11:21:56,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:56" (1/1) ... [2019-10-22 11:21:56,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:56" (1/1) ... [2019-10-22 11:21:56,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:56" (1/1) ... [2019-10-22 11:21:56,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:56" (1/1) ... [2019-10-22 11:21:56,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:56" (1/1) ... [2019-10-22 11:21:56,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:56,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:56,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:56,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:56,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:57,811 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:57,812 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:21:57,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:57 BoogieIcfgContainer [2019-10-22 11:21:57,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:57,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:57,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:57,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:57,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:55" (1/3) ... [2019-10-22 11:21:57,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77758117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:57, skipping insertion in model container [2019-10-22 11:21:57,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:56" (2/3) ... [2019-10-22 11:21:57,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77758117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:57, skipping insertion in model container [2019-10-22 11:21:57,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:57" (3/3) ... [2019-10-22 11:21:57,820 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label54.c [2019-10-22 11:21:57,829 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:57,837 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:21:57,847 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:21:57,870 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:57,870 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:57,870 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:57,870 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:57,871 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:57,871 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:57,871 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:57,871 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:57,888 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-10-22 11:21:57,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 11:21:57,896 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:57,897 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:57,898 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:57,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:57,904 INFO L82 PathProgramCache]: Analyzing trace with hash 531730986, now seen corresponding path program 1 times [2019-10-22 11:21:57,913 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:57,913 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618347259] [2019-10-22 11:21:57,913 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:57,913 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:57,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:58,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:58,169 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618347259] [2019-10-22 11:21:58,170 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:58,170 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:58,171 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170851896] [2019-10-22 11:21:58,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:58,179 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:58,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:58,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:58,196 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-10-22 11:21:59,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:59,400 INFO L93 Difference]: Finished difference Result 694 states and 1246 transitions. [2019-10-22 11:21:59,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:59,401 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2019-10-22 11:21:59,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:59,421 INFO L225 Difference]: With dead ends: 694 [2019-10-22 11:21:59,422 INFO L226 Difference]: Without dead ends: 421 [2019-10-22 11:21:59,425 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:59,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-10-22 11:21:59,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-10-22 11:21:59,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-10-22 11:21:59,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-10-22 11:21:59,472 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 62 [2019-10-22 11:21:59,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:59,472 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-10-22 11:21:59,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:59,473 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-10-22 11:21:59,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-22 11:21:59,475 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:59,476 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:59,476 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:59,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:59,476 INFO L82 PathProgramCache]: Analyzing trace with hash 5769331, now seen corresponding path program 1 times [2019-10-22 11:21:59,477 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:59,477 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494778795] [2019-10-22 11:21:59,477 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:59,477 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:59,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:59,607 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494778795] [2019-10-22 11:21:59,607 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:59,607 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:59,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999568499] [2019-10-22 11:21:59,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:59,610 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:59,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:59,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:59,611 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 4 states. [2019-10-22 11:22:00,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:00,317 INFO L93 Difference]: Finished difference Result 840 states and 1290 transitions. [2019-10-22 11:22:00,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:00,318 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2019-10-22 11:22:00,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:00,321 INFO L225 Difference]: With dead ends: 840 [2019-10-22 11:22:00,321 INFO L226 Difference]: Without dead ends: 560 [2019-10-22 11:22:00,322 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:00,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-10-22 11:22:00,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2019-10-22 11:22:00,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-22 11:22:00,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2019-10-22 11:22:00,346 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 131 [2019-10-22 11:22:00,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:00,346 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2019-10-22 11:22:00,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2019-10-22 11:22:00,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-22 11:22:00,350 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:00,351 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:00,351 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:00,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:00,351 INFO L82 PathProgramCache]: Analyzing trace with hash -779134940, now seen corresponding path program 1 times [2019-10-22 11:22:00,351 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:00,351 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975730829] [2019-10-22 11:22:00,352 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:00,352 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:00,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 3 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:00,540 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975730829] [2019-10-22 11:22:00,542 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039731299] [2019-10-22 11:22:00,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:00,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:22:00,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:00,672 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:00,672 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:00,704 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:00,704 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:22:00,704 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 8 [2019-10-22 11:22:00,705 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784735414] [2019-10-22 11:22:00,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:00,705 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:00,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:00,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:22:00,706 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 4 states. [2019-10-22 11:22:01,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:01,445 INFO L93 Difference]: Finished difference Result 1396 states and 1948 transitions. [2019-10-22 11:22:01,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:01,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2019-10-22 11:22:01,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:01,449 INFO L225 Difference]: With dead ends: 1396 [2019-10-22 11:22:01,449 INFO L226 Difference]: Without dead ends: 977 [2019-10-22 11:22:01,452 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:22:01,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-10-22 11:22:01,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699. [2019-10-22 11:22:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-10-22 11:22:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 894 transitions. [2019-10-22 11:22:01,502 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 894 transitions. Word has length 137 [2019-10-22 11:22:01,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:01,503 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 894 transitions. [2019-10-22 11:22:01,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:01,503 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 894 transitions. [2019-10-22 11:22:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-22 11:22:01,508 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:01,509 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:01,709 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:01,710 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:01,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:01,710 INFO L82 PathProgramCache]: Analyzing trace with hash -592947639, now seen corresponding path program 1 times [2019-10-22 11:22:01,710 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:01,711 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851571903] [2019-10-22 11:22:01,711 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:01,711 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:01,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:01,923 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851571903] [2019-10-22 11:22:01,923 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:01,923 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:01,923 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984097506] [2019-10-22 11:22:01,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:01,924 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:01,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:01,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:01,925 INFO L87 Difference]: Start difference. First operand 699 states and 894 transitions. Second operand 4 states. [2019-10-22 11:22:02,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:02,543 INFO L93 Difference]: Finished difference Result 1674 states and 2129 transitions. [2019-10-22 11:22:02,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:02,543 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 199 [2019-10-22 11:22:02,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:02,547 INFO L225 Difference]: With dead ends: 1674 [2019-10-22 11:22:02,547 INFO L226 Difference]: Without dead ends: 977 [2019-10-22 11:22:02,549 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:02,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-10-22 11:22:02,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-10-22 11:22:02,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-10-22 11:22:02,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1172 transitions. [2019-10-22 11:22:02,569 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1172 transitions. Word has length 199 [2019-10-22 11:22:02,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:02,569 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1172 transitions. [2019-10-22 11:22:02,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:02,570 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1172 transitions. [2019-10-22 11:22:02,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-10-22 11:22:02,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:02,573 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:02,573 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:02,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:02,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1800488349, now seen corresponding path program 1 times [2019-10-22 11:22:02,574 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:02,574 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55017656] [2019-10-22 11:22:02,574 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:02,574 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:02,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:02,755 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-22 11:22:02,755 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55017656] [2019-10-22 11:22:02,756 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:02,756 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:02,756 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606609521] [2019-10-22 11:22:02,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:02,757 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:02,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:02,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:02,758 INFO L87 Difference]: Start difference. First operand 977 states and 1172 transitions. Second operand 5 states. [2019-10-22 11:22:03,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:03,927 INFO L93 Difference]: Finished difference Result 3620 states and 4341 transitions. [2019-10-22 11:22:03,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:22:03,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 221 [2019-10-22 11:22:03,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:03,938 INFO L225 Difference]: With dead ends: 3620 [2019-10-22 11:22:03,938 INFO L226 Difference]: Without dead ends: 2645 [2019-10-22 11:22:03,944 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:03,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2019-10-22 11:22:03,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 1811. [2019-10-22 11:22:03,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2019-10-22 11:22:03,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2106 transitions. [2019-10-22 11:22:03,982 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2106 transitions. Word has length 221 [2019-10-22 11:22:03,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:03,983 INFO L462 AbstractCegarLoop]: Abstraction has 1811 states and 2106 transitions. [2019-10-22 11:22:03,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2106 transitions. [2019-10-22 11:22:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-10-22 11:22:03,987 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:03,988 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:03,988 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:03,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:03,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1254733425, now seen corresponding path program 1 times [2019-10-22 11:22:03,989 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:03,989 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552406257] [2019-10-22 11:22:03,989 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:03,989 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:03,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:04,156 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:04,156 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552406257] [2019-10-22 11:22:04,156 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:04,156 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:04,156 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321844583] [2019-10-22 11:22:04,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:04,157 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:04,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:04,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:04,158 INFO L87 Difference]: Start difference. First operand 1811 states and 2106 transitions. Second operand 5 states. [2019-10-22 11:22:05,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:05,221 INFO L93 Difference]: Finished difference Result 5288 states and 6093 transitions. [2019-10-22 11:22:05,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:22:05,222 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 274 [2019-10-22 11:22:05,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:05,227 INFO L225 Difference]: With dead ends: 5288 [2019-10-22 11:22:05,227 INFO L226 Difference]: Without dead ends: 1811 [2019-10-22 11:22:05,237 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:05,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2019-10-22 11:22:05,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1672. [2019-10-22 11:22:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2019-10-22 11:22:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1835 transitions. [2019-10-22 11:22:05,270 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1835 transitions. Word has length 274 [2019-10-22 11:22:05,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:05,271 INFO L462 AbstractCegarLoop]: Abstraction has 1672 states and 1835 transitions. [2019-10-22 11:22:05,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:05,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1835 transitions. [2019-10-22 11:22:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2019-10-22 11:22:05,276 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:05,276 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 11:22:05,276 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:05,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:05,277 INFO L82 PathProgramCache]: Analyzing trace with hash -503694946, now seen corresponding path program 1 times [2019-10-22 11:22:05,278 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:05,278 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499757569] [2019-10-22 11:22:05,278 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:05,278 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:05,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:05,621 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 186 proven. 141 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-22 11:22:05,621 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499757569] [2019-10-22 11:22:05,621 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476356429] [2019-10-22 11:22:05,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:05,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:22:05,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:05,816 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-10-22 11:22:05,816 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:05,876 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-10-22 11:22:05,877 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:22:05,877 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2019-10-22 11:22:05,877 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938985143] [2019-10-22 11:22:05,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:05,878 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:05,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:05,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:22:05,879 INFO L87 Difference]: Start difference. First operand 1672 states and 1835 transitions. Second operand 3 states. [2019-10-22 11:22:06,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:06,281 INFO L93 Difference]: Finished difference Result 3479 states and 3856 transitions. [2019-10-22 11:22:06,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:06,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2019-10-22 11:22:06,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:06,282 INFO L225 Difference]: With dead ends: 3479 [2019-10-22 11:22:06,282 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:22:06,285 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 591 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:22:06,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:22:06,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:22:06,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:22:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:22:06,286 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 297 [2019-10-22 11:22:06,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:06,286 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:22:06,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:22:06,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:22:06,487 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:06,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:22:06,779 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2019-10-22 11:22:06,963 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2019-10-22 11:22:06,966 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-22 11:22:06,966 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,966 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,966 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,966 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,966 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,966 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,967 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,968 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,968 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,971 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-22 11:22:06,971 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-22 11:22:06,971 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-22 11:22:06,971 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-22 11:22:06,971 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-22 11:22:06,971 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-22 11:22:06,971 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-22 11:22:06,971 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 11:22:06,971 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-22 11:22:06,971 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-22 11:22:06,971 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-22 11:22:06,971 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-22 11:22:06,972 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-22 11:22:06,972 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-22 11:22:06,972 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,972 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,972 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,972 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,972 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,972 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-22 11:22:06,972 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-22 11:22:06,972 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-22 11:22:06,972 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-22 11:22:06,972 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-22 11:22:06,972 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-22 11:22:06,973 INFO L439 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= 10 ~a19~0)))) (or (and (< ~a10~0 3) .cse0) (<= ~a10~0 1) (and .cse0 (not (= ~a19~0 8))) (and (<= 23 ~a1~0) (<= ~a1~0 218) .cse0) (and .cse0 (<= 4 ~a10~0)))) [2019-10-22 11:22:06,973 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-22 11:22:06,973 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-22 11:22:06,973 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-22 11:22:06,973 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-22 11:22:06,973 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,973 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,973 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,973 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,973 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,974 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-22 11:22:06,974 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-22 11:22:06,974 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-22 11:22:06,974 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-22 11:22:06,974 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 11:22:06,974 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-22 11:22:06,974 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-22 11:22:06,974 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-22 11:22:06,974 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-22 11:22:06,974 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-22 11:22:06,974 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2019-10-22 11:22:06,974 INFO L446 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-22 11:22:06,975 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-22 11:22:06,976 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-22 11:22:06,976 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-22 11:22:06,981 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-22 11:22:06,981 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,981 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,981 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,981 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,981 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,981 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-22 11:22:06,982 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-22 11:22:06,982 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-22 11:22:06,982 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-22 11:22:06,982 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-22 11:22:06,982 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-22 11:22:06,982 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-22 11:22:06,982 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-22 11:22:06,982 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-22 11:22:06,982 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-22 11:22:06,982 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-22 11:22:06,982 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:22:06,982 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-22 11:22:06,982 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= 10 ~a19~0)))) (or (and (< ~a10~0 3) .cse0) (<= ~a10~0 1) (and .cse0 (not (= ~a19~0 8))) (and (<= 23 ~a1~0) (<= ~a1~0 218) .cse0) (and .cse0 (<= 4 ~a10~0)))) [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-22 11:22:06,983 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-22 11:22:06,984 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-22 11:22:06,984 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-22 11:22:06,984 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-22 11:22:06,984 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-22 11:22:06,984 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-22 11:22:06,984 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-22 11:22:06,985 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-22 11:22:06,985 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,985 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-22 11:22:06,986 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-22 11:22:06,987 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,988 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-22 11:22:06,989 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:22:06,990 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-22 11:22:06,990 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,990 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,990 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,990 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,990 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,993 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:22:06,993 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-22 11:22:06,994 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-22 11:22:06,994 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-22 11:22:06,994 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-22 11:22:06,994 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-22 11:22:06,994 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-22 11:22:06,994 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 11:22:06,994 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-22 11:22:06,994 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-22 11:22:06,994 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-22 11:22:06,994 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-22 11:22:06,994 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-22 11:22:07,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:07 BoogieIcfgContainer [2019-10-22 11:22:07,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:07,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:07,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:07,017 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:07,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:57" (3/4) ... [2019-10-22 11:22:07,020 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:22:07,043 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:22:07,043 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:22:07,188 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7f34ed89-78d2-42f8-b7ba-e9aa1b2e619a/bin/utaipan/witness.graphml [2019-10-22 11:22:07,188 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:07,189 INFO L168 Benchmark]: Toolchain (without parser) took 11201.66 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 405.3 MB). Free memory was 937.0 MB in the beginning and 1.0 GB in the end (delta: -71.0 MB). Peak memory consumption was 334.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,189 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:07,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,190 INFO L168 Benchmark]: Boogie Preprocessor took 52.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,190 INFO L168 Benchmark]: RCFGBuilder took 1043.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.7 MB in the end (delta: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,191 INFO L168 Benchmark]: TraceAbstraction took 9202.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 274.7 MB). Free memory was 981.7 MB in the beginning and 1.0 GB in the end (delta: -52.2 MB). Peak memory consumption was 222.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,191 INFO L168 Benchmark]: Witness Printer took 171.53 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,195 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 663.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1043.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.7 MB in the end (delta: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9202.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 274.7 MB). Free memory was 981.7 MB in the beginning and 1.0 GB in the end (delta: -52.2 MB). Peak memory consumption was 222.5 MB. Max. memory is 11.5 GB. * Witness Printer took 171.53 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 190]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((a10 < 3 && !(10 == a19)) || a10 <= 1) || (!(10 == a19) && !(a19 == 8))) || ((23 <= a1 && a1 <= 218) && !(10 == a19))) || (!(10 == a19) && 4 <= a10) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((a10 < 3 && !(10 == a19)) || a10 <= 1) || (!(10 == a19) && !(a19 == 8))) || ((23 <= a1 && a1 <= 218) && !(10 == a19))) || (!(10 == a19) && 4 <= a10) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 9.1s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 631 SDtfs, 1765 SDslu, 80 SDs, 0 SdLazy, 4843 SolverSat, 789 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 894 GetRequests, 868 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1811occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 1529 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 58 NumberOfFragments, 81 HoareAnnotationTreeSize, 3 FomulaSimplifications, 468 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2684 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1755 NumberOfCodeBlocks, 1755 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2178 ConstructedInterpolants, 0 QuantifiedInterpolants, 1786992 SizeOfPredicates, 2 NumberOfNonLiveVariables, 610 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 1658/1855 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...