./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.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_715fc274-6354-4f96-b4fc-898a386f6c39/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_715fc274-6354-4f96-b4fc-898a386f6c39/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_715fc274-6354-4f96-b4fc-898a386f6c39/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_715fc274-6354-4f96-b4fc-898a386f6c39/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud-vcloud-master/worker/working_dir_715fc274-6354-4f96-b4fc-898a386f6c39/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_715fc274-6354-4f96-b4fc-898a386f6c39/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 b3b24d22acbd30abb2bd6c739c1741063240b31f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:34,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:34,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:34,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:34,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:34,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:34,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:34,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:34,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:34,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:34,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:34,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:34,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:34,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:34,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:34,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:34,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:34,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:34,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:34,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:34,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:34,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:34,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:34,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:34,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:34,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:34,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:34,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:34,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:34,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:34,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:34,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:34,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:34,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:34,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:34,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:34,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:34,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:34,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:34,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:34,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:34,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_715fc274-6354-4f96-b4fc-898a386f6c39/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:34,080 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:34,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:34,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:34,081 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:34,082 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:34,082 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:34,082 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:34,082 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:34,082 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:34,082 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:34,082 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:34,083 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:34,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:34,083 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:34,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:34,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:34,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:34,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:34,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:34,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:34,084 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:34,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:34,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:34,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:34,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:34,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:34,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:34,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:34,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:34,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:34,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:34,086 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:34,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:34,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:34,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:34,087 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_715fc274-6354-4f96-b4fc-898a386f6c39/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 -> b3b24d22acbd30abb2bd6c739c1741063240b31f [2019-10-22 11:26:34,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:34,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:34,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:34,124 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:34,124 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:34,125 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_715fc274-6354-4f96-b4fc-898a386f6c39/bin/utaipan/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-10-22 11:26:34,172 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_715fc274-6354-4f96-b4fc-898a386f6c39/bin/utaipan/data/0a96178a1/fc4a441be0504145ad93f2bacd5fc666/FLAG903120707 [2019-10-22 11:26:34,619 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:34,620 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_715fc274-6354-4f96-b4fc-898a386f6c39/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-10-22 11:26:34,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_715fc274-6354-4f96-b4fc-898a386f6c39/bin/utaipan/data/0a96178a1/fc4a441be0504145ad93f2bacd5fc666/FLAG903120707 [2019-10-22 11:26:34,963 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_715fc274-6354-4f96-b4fc-898a386f6c39/bin/utaipan/data/0a96178a1/fc4a441be0504145ad93f2bacd5fc666 [2019-10-22 11:26:34,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:34,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:34,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:34,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:34,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:34,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:34" (1/1) ... [2019-10-22 11:26:34,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32febd0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:34, skipping insertion in model container [2019-10-22 11:26:34,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:34" (1/1) ... [2019-10-22 11:26:34,979 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:35,012 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:35,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:35,310 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:35,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:35,393 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:35,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:35 WrapperNode [2019-10-22 11:26:35,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:35,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:35,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:35,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:35,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:35" (1/1) ... [2019-10-22 11:26:35,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:35" (1/1) ... [2019-10-22 11:26:35,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:35,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:35,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:35,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:35,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:35" (1/1) ... [2019-10-22 11:26:35,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:35" (1/1) ... [2019-10-22 11:26:35,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:35" (1/1) ... [2019-10-22 11:26:35,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:35" (1/1) ... [2019-10-22 11:26:35,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:35" (1/1) ... [2019-10-22 11:26:35,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:35" (1/1) ... [2019-10-22 11:26:35,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:35" (1/1) ... [2019-10-22 11:26:35,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:35,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:35,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:35,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:35,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_715fc274-6354-4f96-b4fc-898a386f6c39/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 11:26:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:36,699 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:36,699 INFO L284 CfgBuilder]: Removed 119 assume(true) statements. [2019-10-22 11:26:36,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:36 BoogieIcfgContainer [2019-10-22 11:26:36,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:36,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:36,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:36,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:36,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:34" (1/3) ... [2019-10-22 11:26:36,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb3f46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:36, skipping insertion in model container [2019-10-22 11:26:36,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:35" (2/3) ... [2019-10-22 11:26:36,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb3f46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:36, skipping insertion in model container [2019-10-22 11:26:36,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:36" (3/3) ... [2019-10-22 11:26:36,708 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-10-22 11:26:36,717 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:36,724 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 23 error locations. [2019-10-22 11:26:36,738 INFO L249 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2019-10-22 11:26:36,761 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:36,761 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:36,761 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:36,762 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:36,762 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:36,762 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:36,762 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:36,762 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:36,783 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2019-10-22 11:26:36,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 11:26:36,790 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:36,791 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] [2019-10-22 11:26:36,793 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:36,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:36,798 INFO L82 PathProgramCache]: Analyzing trace with hash 211735483, now seen corresponding path program 1 times [2019-10-22 11:26:36,807 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:36,807 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441086366] [2019-10-22 11:26:36,808 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:36,808 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:36,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:37,029 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 11:26:37,034 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441086366] [2019-10-22 11:26:37,035 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:37,035 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:37,035 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106995872] [2019-10-22 11:26:37,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:37,044 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:37,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:37,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:37,063 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2019-10-22 11:26:37,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:37,168 INFO L93 Difference]: Finished difference Result 572 states and 892 transitions. [2019-10-22 11:26:37,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:37,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-10-22 11:26:37,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:37,183 INFO L225 Difference]: With dead ends: 572 [2019-10-22 11:26:37,183 INFO L226 Difference]: Without dead ends: 289 [2019-10-22 11:26:37,186 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:37,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2019-10-22 11:26:37,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2019-10-22 11:26:37,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2019-10-22 11:26:37,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 413 transitions. [2019-10-22 11:26:37,246 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 413 transitions. Word has length 31 [2019-10-22 11:26:37,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:37,247 INFO L462 AbstractCegarLoop]: Abstraction has 289 states and 413 transitions. [2019-10-22 11:26:37,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:37,247 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 413 transitions. [2019-10-22 11:26:37,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 11:26:37,248 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:37,248 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] [2019-10-22 11:26:37,249 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:37,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:37,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1187444686, now seen corresponding path program 1 times [2019-10-22 11:26:37,251 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:37,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266578833] [2019-10-22 11:26:37,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:37,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:37,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:37,406 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 11:26:37,407 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266578833] [2019-10-22 11:26:37,407 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:37,407 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:37,407 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73112095] [2019-10-22 11:26:37,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:37,409 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:37,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:37,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:37,411 INFO L87 Difference]: Start difference. First operand 289 states and 413 transitions. Second operand 3 states. [2019-10-22 11:26:37,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:37,488 INFO L93 Difference]: Finished difference Result 597 states and 861 transitions. [2019-10-22 11:26:37,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:37,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-10-22 11:26:37,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:37,492 INFO L225 Difference]: With dead ends: 597 [2019-10-22 11:26:37,492 INFO L226 Difference]: Without dead ends: 323 [2019-10-22 11:26:37,499 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:37,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2019-10-22 11:26:37,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 265. [2019-10-22 11:26:37,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2019-10-22 11:26:37,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 377 transitions. [2019-10-22 11:26:37,518 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 377 transitions. Word has length 42 [2019-10-22 11:26:37,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:37,518 INFO L462 AbstractCegarLoop]: Abstraction has 265 states and 377 transitions. [2019-10-22 11:26:37,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:37,518 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 377 transitions. [2019-10-22 11:26:37,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 11:26:37,519 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:37,519 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] [2019-10-22 11:26:37,520 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:37,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:37,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1273755287, now seen corresponding path program 1 times [2019-10-22 11:26:37,521 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:37,521 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730915503] [2019-10-22 11:26:37,521 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:37,521 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:37,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:37,675 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 11:26:37,676 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730915503] [2019-10-22 11:26:37,678 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:37,678 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:37,679 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236586668] [2019-10-22 11:26:37,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:37,679 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:37,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:37,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:37,680 INFO L87 Difference]: Start difference. First operand 265 states and 377 transitions. Second operand 3 states. [2019-10-22 11:26:37,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:37,717 INFO L93 Difference]: Finished difference Result 742 states and 1066 transitions. [2019-10-22 11:26:37,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:37,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-10-22 11:26:37,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:37,721 INFO L225 Difference]: With dead ends: 742 [2019-10-22 11:26:37,721 INFO L226 Difference]: Without dead ends: 492 [2019-10-22 11:26:37,722 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:37,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2019-10-22 11:26:37,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 300. [2019-10-22 11:26:37,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2019-10-22 11:26:37,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 429 transitions. [2019-10-22 11:26:37,741 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 429 transitions. Word has length 49 [2019-10-22 11:26:37,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:37,745 INFO L462 AbstractCegarLoop]: Abstraction has 300 states and 429 transitions. [2019-10-22 11:26:37,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:37,745 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 429 transitions. [2019-10-22 11:26:37,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 11:26:37,747 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:37,747 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] [2019-10-22 11:26:37,748 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:37,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:37,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1910840580, now seen corresponding path program 1 times [2019-10-22 11:26:37,748 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:37,748 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272776617] [2019-10-22 11:26:37,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:37,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:37,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:37,889 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 11:26:37,889 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272776617] [2019-10-22 11:26:37,890 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:37,890 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:37,890 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436492756] [2019-10-22 11:26:37,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:37,891 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:37,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:37,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:37,891 INFO L87 Difference]: Start difference. First operand 300 states and 429 transitions. Second operand 5 states. [2019-10-22 11:26:38,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:38,165 INFO L93 Difference]: Finished difference Result 942 states and 1360 transitions. [2019-10-22 11:26:38,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:38,166 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2019-10-22 11:26:38,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:38,169 INFO L225 Difference]: With dead ends: 942 [2019-10-22 11:26:38,169 INFO L226 Difference]: Without dead ends: 657 [2019-10-22 11:26:38,170 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:26:38,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2019-10-22 11:26:38,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 386. [2019-10-22 11:26:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2019-10-22 11:26:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 552 transitions. [2019-10-22 11:26:38,190 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 552 transitions. Word has length 50 [2019-10-22 11:26:38,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:38,191 INFO L462 AbstractCegarLoop]: Abstraction has 386 states and 552 transitions. [2019-10-22 11:26:38,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 552 transitions. [2019-10-22 11:26:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 11:26:38,192 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:38,192 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] [2019-10-22 11:26:38,193 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:38,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:38,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1041102253, now seen corresponding path program 1 times [2019-10-22 11:26:38,193 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:38,194 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520406866] [2019-10-22 11:26:38,194 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:38,194 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:38,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:38,265 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 11:26:38,300 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520406866] [2019-10-22 11:26:38,300 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:38,300 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:38,300 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765613278] [2019-10-22 11:26:38,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:38,301 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:38,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:38,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:38,301 INFO L87 Difference]: Start difference. First operand 386 states and 552 transitions. Second operand 5 states. [2019-10-22 11:26:38,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:38,530 INFO L93 Difference]: Finished difference Result 944 states and 1360 transitions. [2019-10-22 11:26:38,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:38,531 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-10-22 11:26:38,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:38,533 INFO L225 Difference]: With dead ends: 944 [2019-10-22 11:26:38,534 INFO L226 Difference]: Without dead ends: 659 [2019-10-22 11:26:38,535 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:26:38,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2019-10-22 11:26:38,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 390. [2019-10-22 11:26:38,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-10-22 11:26:38,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 556 transitions. [2019-10-22 11:26:38,550 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 556 transitions. Word has length 51 [2019-10-22 11:26:38,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:38,550 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 556 transitions. [2019-10-22 11:26:38,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:38,550 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 556 transitions. [2019-10-22 11:26:38,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 11:26:38,552 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:38,552 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] [2019-10-22 11:26:38,552 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:38,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:38,553 INFO L82 PathProgramCache]: Analyzing trace with hash -458607163, now seen corresponding path program 1 times [2019-10-22 11:26:38,553 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:38,553 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420554860] [2019-10-22 11:26:38,553 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:38,555 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:38,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:38,628 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 11:26:38,628 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420554860] [2019-10-22 11:26:38,628 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:38,628 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:38,628 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025788630] [2019-10-22 11:26:38,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:26:38,629 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:38,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:26:38,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:26:38,629 INFO L87 Difference]: Start difference. First operand 390 states and 556 transitions. Second operand 4 states. [2019-10-22 11:26:38,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:38,833 INFO L93 Difference]: Finished difference Result 944 states and 1356 transitions. [2019-10-22 11:26:38,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:38,834 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2019-10-22 11:26:38,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:38,836 INFO L225 Difference]: With dead ends: 944 [2019-10-22 11:26:38,837 INFO L226 Difference]: Without dead ends: 659 [2019-10-22 11:26:38,840 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:38,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2019-10-22 11:26:38,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 390. [2019-10-22 11:26:38,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-10-22 11:26:38,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 554 transitions. [2019-10-22 11:26:38,857 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 554 transitions. Word has length 53 [2019-10-22 11:26:38,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:38,858 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 554 transitions. [2019-10-22 11:26:38,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:26:38,858 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 554 transitions. [2019-10-22 11:26:38,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 11:26:38,859 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:38,859 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] [2019-10-22 11:26:38,860 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:38,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:38,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1789775306, now seen corresponding path program 1 times [2019-10-22 11:26:38,860 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:38,860 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999951623] [2019-10-22 11:26:38,860 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:38,860 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:38,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:39,008 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 11:26:39,008 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999951623] [2019-10-22 11:26:39,008 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:39,008 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:39,008 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339725553] [2019-10-22 11:26:39,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:39,009 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:39,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:39,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:39,010 INFO L87 Difference]: Start difference. First operand 390 states and 554 transitions. Second operand 5 states. [2019-10-22 11:26:39,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:39,059 INFO L93 Difference]: Finished difference Result 776 states and 1117 transitions. [2019-10-22 11:26:39,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:26:39,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-10-22 11:26:39,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:39,061 INFO L225 Difference]: With dead ends: 776 [2019-10-22 11:26:39,062 INFO L226 Difference]: Without dead ends: 491 [2019-10-22 11:26:39,062 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:39,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2019-10-22 11:26:39,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 385. [2019-10-22 11:26:39,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-10-22 11:26:39,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 546 transitions. [2019-10-22 11:26:39,079 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 546 transitions. Word has length 54 [2019-10-22 11:26:39,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:39,080 INFO L462 AbstractCegarLoop]: Abstraction has 385 states and 546 transitions. [2019-10-22 11:26:39,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:39,080 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 546 transitions. [2019-10-22 11:26:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 11:26:39,081 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:39,081 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] [2019-10-22 11:26:39,081 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:39,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:39,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1630366882, now seen corresponding path program 1 times [2019-10-22 11:26:39,082 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:39,082 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284734462] [2019-10-22 11:26:39,082 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:39,082 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:39,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:39,202 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 11:26:39,202 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284734462] [2019-10-22 11:26:39,203 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:39,203 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:39,203 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298993154] [2019-10-22 11:26:39,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:39,203 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:39,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:39,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:39,204 INFO L87 Difference]: Start difference. First operand 385 states and 546 transitions. Second operand 5 states. [2019-10-22 11:26:39,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:39,310 INFO L93 Difference]: Finished difference Result 807 states and 1166 transitions. [2019-10-22 11:26:39,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:39,311 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-22 11:26:39,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:39,313 INFO L225 Difference]: With dead ends: 807 [2019-10-22 11:26:39,313 INFO L226 Difference]: Without dead ends: 527 [2019-10-22 11:26:39,314 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:26:39,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2019-10-22 11:26:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 355. [2019-10-22 11:26:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2019-10-22 11:26:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 500 transitions. [2019-10-22 11:26:39,332 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 500 transitions. Word has length 58 [2019-10-22 11:26:39,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:39,332 INFO L462 AbstractCegarLoop]: Abstraction has 355 states and 500 transitions. [2019-10-22 11:26:39,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 500 transitions. [2019-10-22 11:26:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 11:26:39,333 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:39,333 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:39,334 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:39,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:39,334 INFO L82 PathProgramCache]: Analyzing trace with hash 644191382, now seen corresponding path program 1 times [2019-10-22 11:26:39,334 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:39,334 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130217390] [2019-10-22 11:26:39,335 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:39,335 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:39,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:39,435 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 11:26:39,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130217390] [2019-10-22 11:26:39,435 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:39,435 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:39,435 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300973592] [2019-10-22 11:26:39,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:39,436 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:39,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:39,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:39,436 INFO L87 Difference]: Start difference. First operand 355 states and 500 transitions. Second operand 5 states. [2019-10-22 11:26:39,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:39,550 INFO L93 Difference]: Finished difference Result 904 states and 1296 transitions. [2019-10-22 11:26:39,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:39,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-10-22 11:26:39,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:39,552 INFO L225 Difference]: With dead ends: 904 [2019-10-22 11:26:39,553 INFO L226 Difference]: Without dead ends: 654 [2019-10-22 11:26:39,554 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:26:39,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-10-22 11:26:39,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 325. [2019-10-22 11:26:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-10-22 11:26:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 454 transitions. [2019-10-22 11:26:39,574 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 454 transitions. Word has length 63 [2019-10-22 11:26:39,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:39,592 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 454 transitions. [2019-10-22 11:26:39,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:39,593 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 454 transitions. [2019-10-22 11:26:39,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-22 11:26:39,593 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:39,594 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:39,594 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:39,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:39,594 INFO L82 PathProgramCache]: Analyzing trace with hash 157991886, now seen corresponding path program 1 times [2019-10-22 11:26:39,595 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:39,595 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451727900] [2019-10-22 11:26:39,595 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:39,595 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:39,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:39,748 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 11:26:39,748 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451727900] [2019-10-22 11:26:39,748 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:39,749 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:26:39,749 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816853967] [2019-10-22 11:26:39,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:39,749 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:39,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:39,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:39,750 INFO L87 Difference]: Start difference. First operand 325 states and 454 transitions. Second operand 6 states. [2019-10-22 11:26:39,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:39,963 INFO L93 Difference]: Finished difference Result 1105 states and 1564 transitions. [2019-10-22 11:26:39,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:26:39,965 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-10-22 11:26:39,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:39,968 INFO L225 Difference]: With dead ends: 1105 [2019-10-22 11:26:39,968 INFO L226 Difference]: Without dead ends: 885 [2019-10-22 11:26:39,969 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:26:39,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2019-10-22 11:26:39,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 364. [2019-10-22 11:26:39,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2019-10-22 11:26:39,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 508 transitions. [2019-10-22 11:26:39,995 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 508 transitions. Word has length 68 [2019-10-22 11:26:39,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:39,995 INFO L462 AbstractCegarLoop]: Abstraction has 364 states and 508 transitions. [2019-10-22 11:26:39,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 508 transitions. [2019-10-22 11:26:39,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-22 11:26:39,997 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:39,998 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:39,998 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:39,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:39,998 INFO L82 PathProgramCache]: Analyzing trace with hash -2134355609, now seen corresponding path program 1 times [2019-10-22 11:26:39,999 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:39,999 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913828746] [2019-10-22 11:26:39,999 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:39,999 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:39,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:40,087 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 11:26:40,087 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913828746] [2019-10-22 11:26:40,087 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:40,087 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:40,088 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38922260] [2019-10-22 11:26:40,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:40,088 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:40,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:40,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:40,088 INFO L87 Difference]: Start difference. First operand 364 states and 508 transitions. Second operand 3 states. [2019-10-22 11:26:40,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:40,146 INFO L93 Difference]: Finished difference Result 662 states and 935 transitions. [2019-10-22 11:26:40,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:40,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2019-10-22 11:26:40,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:40,149 INFO L225 Difference]: With dead ends: 662 [2019-10-22 11:26:40,149 INFO L226 Difference]: Without dead ends: 442 [2019-10-22 11:26:40,149 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:40,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2019-10-22 11:26:40,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 360. [2019-10-22 11:26:40,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-10-22 11:26:40,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 501 transitions. [2019-10-22 11:26:40,173 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 501 transitions. Word has length 69 [2019-10-22 11:26:40,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:40,173 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 501 transitions. [2019-10-22 11:26:40,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:40,173 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 501 transitions. [2019-10-22 11:26:40,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-22 11:26:40,176 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:40,176 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:40,176 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:40,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:40,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1585943340, now seen corresponding path program 1 times [2019-10-22 11:26:40,177 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:40,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948692473] [2019-10-22 11:26:40,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:40,254 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 11:26:40,254 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948692473] [2019-10-22 11:26:40,254 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:40,254 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:40,255 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515742594] [2019-10-22 11:26:40,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:26:40,255 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:40,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:26:40,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:26:40,255 INFO L87 Difference]: Start difference. First operand 360 states and 501 transitions. Second operand 4 states. [2019-10-22 11:26:40,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:40,386 INFO L93 Difference]: Finished difference Result 953 states and 1330 transitions. [2019-10-22 11:26:40,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:40,387 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2019-10-22 11:26:40,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:40,389 INFO L225 Difference]: With dead ends: 953 [2019-10-22 11:26:40,390 INFO L226 Difference]: Without dead ends: 727 [2019-10-22 11:26:40,390 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:40,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2019-10-22 11:26:40,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 530. [2019-10-22 11:26:40,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2019-10-22 11:26:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 734 transitions. [2019-10-22 11:26:40,423 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 734 transitions. Word has length 72 [2019-10-22 11:26:40,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:40,423 INFO L462 AbstractCegarLoop]: Abstraction has 530 states and 734 transitions. [2019-10-22 11:26:40,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:26:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 734 transitions. [2019-10-22 11:26:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-22 11:26:40,424 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:40,424 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:40,425 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:40,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:40,425 INFO L82 PathProgramCache]: Analyzing trace with hash -2083950892, now seen corresponding path program 1 times [2019-10-22 11:26:40,426 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:40,426 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42368300] [2019-10-22 11:26:40,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:40,493 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 11:26:40,493 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42368300] [2019-10-22 11:26:40,494 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:40,494 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:40,494 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738150401] [2019-10-22 11:26:40,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:40,494 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:40,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:40,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:40,495 INFO L87 Difference]: Start difference. First operand 530 states and 734 transitions. Second operand 3 states. [2019-10-22 11:26:40,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:40,530 INFO L93 Difference]: Finished difference Result 909 states and 1264 transitions. [2019-10-22 11:26:40,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:40,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2019-10-22 11:26:40,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:40,532 INFO L225 Difference]: With dead ends: 909 [2019-10-22 11:26:40,532 INFO L226 Difference]: Without dead ends: 530 [2019-10-22 11:26:40,533 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:40,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2019-10-22 11:26:40,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2019-10-22 11:26:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2019-10-22 11:26:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 730 transitions. [2019-10-22 11:26:40,565 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 730 transitions. Word has length 72 [2019-10-22 11:26:40,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:40,565 INFO L462 AbstractCegarLoop]: Abstraction has 530 states and 730 transitions. [2019-10-22 11:26:40,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:40,566 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 730 transitions. [2019-10-22 11:26:40,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-22 11:26:40,566 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:40,567 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:40,567 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:40,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:40,567 INFO L82 PathProgramCache]: Analyzing trace with hash 2070467794, now seen corresponding path program 1 times [2019-10-22 11:26:40,567 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:40,568 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250356766] [2019-10-22 11:26:40,568 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,568 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:40,609 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 11:26:40,610 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250356766] [2019-10-22 11:26:40,610 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:40,610 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:40,610 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222542058] [2019-10-22 11:26:40,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:40,610 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:40,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:40,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:40,611 INFO L87 Difference]: Start difference. First operand 530 states and 730 transitions. Second operand 3 states. [2019-10-22 11:26:40,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:40,680 INFO L93 Difference]: Finished difference Result 1253 states and 1720 transitions. [2019-10-22 11:26:40,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:40,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2019-10-22 11:26:40,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:40,684 INFO L225 Difference]: With dead ends: 1253 [2019-10-22 11:26:40,684 INFO L226 Difference]: Without dead ends: 837 [2019-10-22 11:26:40,685 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:40,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2019-10-22 11:26:40,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 564. [2019-10-22 11:26:40,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-10-22 11:26:40,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 774 transitions. [2019-10-22 11:26:40,736 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 774 transitions. Word has length 72 [2019-10-22 11:26:40,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:40,736 INFO L462 AbstractCegarLoop]: Abstraction has 564 states and 774 transitions. [2019-10-22 11:26:40,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 774 transitions. [2019-10-22 11:26:40,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-22 11:26:40,737 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:40,737 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:40,738 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:40,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:40,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1917205063, now seen corresponding path program 1 times [2019-10-22 11:26:40,738 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:40,738 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942915743] [2019-10-22 11:26:40,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:40,912 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 11:26:40,913 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942915743] [2019-10-22 11:26:40,913 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:40,913 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:26:40,913 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097215563] [2019-10-22 11:26:40,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:40,914 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:40,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:40,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:40,914 INFO L87 Difference]: Start difference. First operand 564 states and 774 transitions. Second operand 6 states. [2019-10-22 11:26:41,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:41,177 INFO L93 Difference]: Finished difference Result 1770 states and 2483 transitions. [2019-10-22 11:26:41,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:26:41,177 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2019-10-22 11:26:41,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:41,182 INFO L225 Difference]: With dead ends: 1770 [2019-10-22 11:26:41,182 INFO L226 Difference]: Without dead ends: 1436 [2019-10-22 11:26:41,183 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:26:41,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2019-10-22 11:26:41,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 568. [2019-10-22 11:26:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2019-10-22 11:26:41,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 779 transitions. [2019-10-22 11:26:41,225 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 779 transitions. Word has length 73 [2019-10-22 11:26:41,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:41,225 INFO L462 AbstractCegarLoop]: Abstraction has 568 states and 779 transitions. [2019-10-22 11:26:41,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:41,225 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 779 transitions. [2019-10-22 11:26:41,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-22 11:26:41,226 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:41,226 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:41,226 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:41,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:41,226 INFO L82 PathProgramCache]: Analyzing trace with hash 197100160, now seen corresponding path program 1 times [2019-10-22 11:26:41,227 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:41,227 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664759125] [2019-10-22 11:26:41,227 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,227 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:41,296 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 11:26:41,296 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664759125] [2019-10-22 11:26:41,296 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:41,296 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:41,297 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402553127] [2019-10-22 11:26:41,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:41,297 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:41,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:41,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:41,297 INFO L87 Difference]: Start difference. First operand 568 states and 779 transitions. Second operand 5 states. [2019-10-22 11:26:41,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:41,425 INFO L93 Difference]: Finished difference Result 888 states and 1239 transitions. [2019-10-22 11:26:41,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:41,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-10-22 11:26:41,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:41,428 INFO L225 Difference]: With dead ends: 888 [2019-10-22 11:26:41,429 INFO L226 Difference]: Without dead ends: 886 [2019-10-22 11:26:41,429 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:26:41,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2019-10-22 11:26:41,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 570. [2019-10-22 11:26:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2019-10-22 11:26:41,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 781 transitions. [2019-10-22 11:26:41,471 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 781 transitions. Word has length 73 [2019-10-22 11:26:41,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:41,471 INFO L462 AbstractCegarLoop]: Abstraction has 570 states and 781 transitions. [2019-10-22 11:26:41,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:41,472 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 781 transitions. [2019-10-22 11:26:41,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-22 11:26:41,472 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:41,472 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:41,473 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:41,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:41,473 INFO L82 PathProgramCache]: Analyzing trace with hash 2083582807, now seen corresponding path program 1 times [2019-10-22 11:26:41,474 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:41,474 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620154984] [2019-10-22 11:26:41,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:41,557 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 11:26:41,558 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620154984] [2019-10-22 11:26:41,558 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:41,558 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:26:41,558 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26088422] [2019-10-22 11:26:41,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:41,558 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:41,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:41,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:41,559 INFO L87 Difference]: Start difference. First operand 570 states and 781 transitions. Second operand 6 states. [2019-10-22 11:26:42,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:42,039 INFO L93 Difference]: Finished difference Result 2037 states and 2828 transitions. [2019-10-22 11:26:42,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:26:42,040 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2019-10-22 11:26:42,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:42,045 INFO L225 Difference]: With dead ends: 2037 [2019-10-22 11:26:42,045 INFO L226 Difference]: Without dead ends: 1662 [2019-10-22 11:26:42,046 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:26:42,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2019-10-22 11:26:42,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 616. [2019-10-22 11:26:42,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2019-10-22 11:26:42,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 839 transitions. [2019-10-22 11:26:42,098 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 839 transitions. Word has length 73 [2019-10-22 11:26:42,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:42,098 INFO L462 AbstractCegarLoop]: Abstraction has 616 states and 839 transitions. [2019-10-22 11:26:42,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:42,099 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 839 transitions. [2019-10-22 11:26:42,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-22 11:26:42,099 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:42,099 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:42,100 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:42,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:42,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1204676769, now seen corresponding path program 1 times [2019-10-22 11:26:42,100 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:42,100 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054324993] [2019-10-22 11:26:42,101 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:42,101 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:42,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:42,184 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 11:26:42,184 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054324993] [2019-10-22 11:26:42,184 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:42,185 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:26:42,185 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059366398] [2019-10-22 11:26:42,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:42,186 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:42,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:42,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:42,186 INFO L87 Difference]: Start difference. First operand 616 states and 839 transitions. Second operand 6 states. [2019-10-22 11:26:42,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:42,576 INFO L93 Difference]: Finished difference Result 2364 states and 3261 transitions. [2019-10-22 11:26:42,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:26:42,576 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 74 [2019-10-22 11:26:42,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:42,582 INFO L225 Difference]: With dead ends: 2364 [2019-10-22 11:26:42,582 INFO L226 Difference]: Without dead ends: 1981 [2019-10-22 11:26:42,584 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:26:42,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2019-10-22 11:26:42,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 694. [2019-10-22 11:26:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2019-10-22 11:26:42,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 941 transitions. [2019-10-22 11:26:42,646 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 941 transitions. Word has length 74 [2019-10-22 11:26:42,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:42,646 INFO L462 AbstractCegarLoop]: Abstraction has 694 states and 941 transitions. [2019-10-22 11:26:42,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:42,646 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 941 transitions. [2019-10-22 11:26:42,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-22 11:26:42,647 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:42,647 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:42,648 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:42,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:42,648 INFO L82 PathProgramCache]: Analyzing trace with hash -217796256, now seen corresponding path program 1 times [2019-10-22 11:26:42,648 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:42,648 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451458525] [2019-10-22 11:26:42,648 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:42,648 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:42,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:42,707 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 11:26:42,707 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451458525] [2019-10-22 11:26:42,707 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:42,708 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:26:42,708 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708213142] [2019-10-22 11:26:42,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:42,708 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:42,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:42,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:42,709 INFO L87 Difference]: Start difference. First operand 694 states and 941 transitions. Second operand 6 states. [2019-10-22 11:26:42,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:42,889 INFO L93 Difference]: Finished difference Result 1560 states and 2200 transitions. [2019-10-22 11:26:42,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:26:42,889 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 74 [2019-10-22 11:26:42,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:42,893 INFO L225 Difference]: With dead ends: 1560 [2019-10-22 11:26:42,893 INFO L226 Difference]: Without dead ends: 1160 [2019-10-22 11:26:42,894 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:26:42,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2019-10-22 11:26:42,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 700. [2019-10-22 11:26:42,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2019-10-22 11:26:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 947 transitions. [2019-10-22 11:26:42,952 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 947 transitions. Word has length 74 [2019-10-22 11:26:42,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:42,952 INFO L462 AbstractCegarLoop]: Abstraction has 700 states and 947 transitions. [2019-10-22 11:26:42,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:42,953 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 947 transitions. [2019-10-22 11:26:42,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-22 11:26:42,954 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:42,954 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:42,954 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:42,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:42,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1278252476, now seen corresponding path program 1 times [2019-10-22 11:26:42,955 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:42,955 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771378000] [2019-10-22 11:26:42,955 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:42,955 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:42,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:43,001 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 11:26:43,002 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771378000] [2019-10-22 11:26:43,002 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:43,002 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:43,002 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523200661] [2019-10-22 11:26:43,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:43,003 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:43,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:43,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:43,003 INFO L87 Difference]: Start difference. First operand 700 states and 947 transitions. Second operand 3 states. [2019-10-22 11:26:43,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:43,127 INFO L93 Difference]: Finished difference Result 1374 states and 1891 transitions. [2019-10-22 11:26:43,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:43,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2019-10-22 11:26:43,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:43,131 INFO L225 Difference]: With dead ends: 1374 [2019-10-22 11:26:43,131 INFO L226 Difference]: Without dead ends: 905 [2019-10-22 11:26:43,132 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:43,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2019-10-22 11:26:43,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 679. [2019-10-22 11:26:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2019-10-22 11:26:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 910 transitions. [2019-10-22 11:26:43,219 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 910 transitions. Word has length 74 [2019-10-22 11:26:43,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:43,219 INFO L462 AbstractCegarLoop]: Abstraction has 679 states and 910 transitions. [2019-10-22 11:26:43,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 910 transitions. [2019-10-22 11:26:43,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-22 11:26:43,220 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:43,220 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:43,221 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:43,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:43,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1698648942, now seen corresponding path program 1 times [2019-10-22 11:26:43,222 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:43,222 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373371454] [2019-10-22 11:26:43,222 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:43,222 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:43,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:43,328 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:26:43,329 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:26:43,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:43 BoogieIcfgContainer [2019-10-22 11:26:43,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:43,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:43,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:43,457 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:43,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:36" (3/4) ... [2019-10-22 11:26:43,459 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:26:43,611 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_715fc274-6354-4f96-b4fc-898a386f6c39/bin/utaipan/witness.graphml [2019-10-22 11:26:43,614 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:43,616 INFO L168 Benchmark]: Toolchain (without parser) took 8649.52 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 268.4 MB). Free memory was 941.0 MB in the beginning and 1.2 GB in the end (delta: -233.7 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,617 INFO L168 Benchmark]: CDTParser took 0.16 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 11:26:43,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,618 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.74 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 11:26:43,618 INFO L168 Benchmark]: Boogie Preprocessor took 97.08 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 11:26:43,618 INFO L168 Benchmark]: RCFGBuilder took 1142.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,619 INFO L168 Benchmark]: TraceAbstraction took 6754.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -182.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:43,619 INFO L168 Benchmark]: Witness Printer took 158.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,620 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 426.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.08 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 1142.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6754.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -182.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 158.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 662]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L69] msg_t nomsg = (msg_t )-1; [L70] port_t cs1 ; [L71] int8_t cs1_old ; [L72] int8_t cs1_new ; [L73] port_t cs2 ; [L74] int8_t cs2_old ; [L75] int8_t cs2_new ; [L76] port_t s1s2 ; [L77] int8_t s1s2_old ; [L78] int8_t s1s2_new ; [L79] port_t s1s1 ; [L80] int8_t s1s1_old ; [L81] int8_t s1s1_new ; [L82] port_t s2s1 ; [L83] int8_t s2s1_old ; [L84] int8_t s2s1_new ; [L85] port_t s2s2 ; [L86] int8_t s2s2_old ; [L87] int8_t s2s2_new ; [L88] port_t s1p ; [L89] int8_t s1p_old ; [L90] int8_t s1p_new ; [L91] port_t s2p ; [L92] int8_t s2p_old ; [L93] int8_t s2p_new ; [L96] _Bool side1Failed ; [L97] _Bool side2Failed ; [L98] msg_t side1_written ; [L99] msg_t side2_written ; [L102] static _Bool side1Failed_History_0 ; [L103] static _Bool side1Failed_History_1 ; [L104] static _Bool side1Failed_History_2 ; [L105] static _Bool side2Failed_History_0 ; [L106] static _Bool side2Failed_History_1 ; [L107] static _Bool side2Failed_History_2 ; [L108] static int8_t active_side_History_0 ; [L109] static int8_t active_side_History_1 ; [L110] static int8_t active_side_History_2 ; [L111] static msg_t manual_selection_History_0 ; [L112] static msg_t manual_selection_History_1 ; [L113] static msg_t manual_selection_History_2 ; [L463] void (*nodes[4])(void) = { & Console_task_each_pals_period, & Side1_activestandby_task_each_pals_period, & Side2_activestandby_task_each_pals_period, & Pendulum_prism_task_each_pals_period}; VAL [active_side_History_0=0, active_side_History_1=0, active_side_History_2=0, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L585] int c1 ; [L586] int i2 ; [L589] c1 = 0 [L590] side1Failed = __VERIFIER_nondet_bool() [L591] side2Failed = __VERIFIER_nondet_bool() [L592] side1_written = __VERIFIER_nondet_char() [L593] side2_written = __VERIFIER_nondet_char() [L594] side1Failed_History_0 = __VERIFIER_nondet_bool() [L595] side1Failed_History_1 = __VERIFIER_nondet_bool() [L596] side1Failed_History_2 = __VERIFIER_nondet_bool() [L597] side2Failed_History_0 = __VERIFIER_nondet_bool() [L598] side2Failed_History_1 = __VERIFIER_nondet_bool() [L599] side2Failed_History_2 = __VERIFIER_nondet_bool() [L600] active_side_History_0 = __VERIFIER_nondet_char() [L601] active_side_History_1 = __VERIFIER_nondet_char() [L602] active_side_History_2 = __VERIFIER_nondet_char() [L603] manual_selection_History_0 = __VERIFIER_nondet_char() [L604] manual_selection_History_1 = __VERIFIER_nondet_char() [L605] manual_selection_History_2 = __VERIFIER_nondet_char() [L239] COND FALSE !((int )side1Failed_History_0 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L242] COND FALSE !((int )side2Failed_History_0 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L245] COND FALSE !((int )active_side_History_0 != -2) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L248] COND FALSE !((int )manual_selection_History_0 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L251] COND FALSE !((int )side1Failed_History_1 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L254] COND FALSE !((int )side2Failed_History_1 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L257] COND FALSE !((int )active_side_History_1 != -2) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L260] COND FALSE !((int )manual_selection_History_1 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L263] COND FALSE !((int )side1Failed_History_2 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L266] COND FALSE !((int )side2Failed_History_2 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L269] COND FALSE !((int )active_side_History_2 != -2) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L272] COND FALSE !((int )manual_selection_History_2 != 0) [L275] return (1); VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L606] i2 = init() [L608] cs1_old = nomsg [L609] cs1_new = nomsg [L610] cs2_old = nomsg [L611] cs2_new = nomsg [L612] s1s2_old = nomsg [L613] s1s2_new = nomsg [L614] s1s1_old = nomsg [L615] s1s1_new = nomsg [L616] s2s1_old = nomsg [L617] s2s1_new = nomsg [L618] s2s2_old = nomsg [L619] s2s2_new = nomsg [L620] s1p_old = nomsg [L621] s1p_new = nomsg [L622] s2p_old = nomsg [L623] s2p_new = nomsg [L624] i2 = 0 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-1, cs2=0, cs2_new=-1, cs2_old=-1, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L625] COND TRUE i2 < 10 [L293] msg_t manual_selection ; [L294] char tmp ; [L297] tmp = __VERIFIER_nondet_char() [L298] manual_selection = tmp [L209] manual_selection_History_2 = manual_selection_History_1 [L210] manual_selection_History_1 = manual_selection_History_0 [L211] manual_selection_History_0 = val VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-1, cs2=0, cs2_new=-1, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L300] EXPR manual_selection != nomsg && cs1_new == nomsg ? manual_selection : cs1_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-1, cs2=0, cs2_new=-1, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L300] cs1_new = manual_selection != nomsg && cs1_new == nomsg ? manual_selection : cs1_new [L301] EXPR manual_selection != nomsg && cs2_new == nomsg ? manual_selection : cs2_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-1, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L301] cs2_new = manual_selection != nomsg && cs2_new == nomsg ? manual_selection : cs2_new [L302] manual_selection = (msg_t )0 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=5, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L308] int8_t side1 ; [L309] int8_t side2 ; [L310] msg_t manual_selection ; [L311] int8_t next_state ; [L314] side1 = nomsg [L315] side2 = nomsg [L316] manual_selection = (msg_t )0 [L317] side1Failed = __VERIFIER_nondet_bool() [L119] side1Failed_History_2 = side1Failed_History_1 [L120] side1Failed_History_1 = side1Failed_History_0 [L121] side1Failed_History_0 = val VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L319] COND FALSE !(\read(side1Failed)) [L326] side1 = s1s1_old [L327] s1s1_old = nomsg [L328] side2 = s2s1_old [L329] s2s1_old = nomsg [L330] manual_selection = cs1_old [L331] cs1_old = nomsg VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L332] COND TRUE (int )side1 == (int )side2 [L333] next_state = (int8_t )1 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L356] EXPR next_state != nomsg && s1s1_new == nomsg ? next_state : s1s1_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L356] s1s1_new = next_state != nomsg && s1s1_new == nomsg ? next_state : s1s1_new [L357] EXPR next_state != nomsg && s1s2_new == nomsg ? next_state : s1s2_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L357] s1s2_new = next_state != nomsg && s1s2_new == nomsg ? next_state : s1s2_new [L358] EXPR next_state != nomsg && s1p_new == nomsg ? next_state : s1p_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L358] s1p_new = next_state != nomsg && s1p_new == nomsg ? next_state : s1p_new [L359] side1_written = next_state VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=4, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L365] int8_t side1 ; [L366] int8_t side2 ; [L367] msg_t manual_selection ; [L368] int8_t next_state ; [L371] side1 = nomsg [L372] side2 = nomsg [L373] manual_selection = (msg_t )0 [L374] side2Failed = __VERIFIER_nondet_bool() [L149] side2Failed_History_2 = side2Failed_History_1 [L150] side2Failed_History_1 = side2Failed_History_0 [L151] side2Failed_History_0 = val VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L376] COND FALSE !(\read(side2Failed)) [L383] side1 = s1s2_old [L384] s1s2_old = nomsg [L385] side2 = s2s2_old [L386] s2s2_old = nomsg [L387] manual_selection = cs2_old [L388] cs2_old = nomsg VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L389] COND TRUE (int )side1 == (int )side2 [L390] next_state = (int8_t )1 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L413] EXPR next_state != nomsg && s2s1_new == nomsg ? next_state : s2s1_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L413] s2s1_new = next_state != nomsg && s2s1_new == nomsg ? next_state : s2s1_new [L414] EXPR next_state != nomsg && s2s2_new == nomsg ? next_state : s2s2_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L414] s2s2_new = next_state != nomsg && s2s2_new == nomsg ? next_state : s2s2_new [L415] EXPR next_state != nomsg && s2p_new == nomsg ? next_state : s2p_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L415] s2p_new = next_state != nomsg && s2p_new == nomsg ? next_state : s2p_new [L416] side2_written = next_state VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L422] int8_t active_side ; [L423] int8_t tmp ; [L424] int8_t side1 ; [L425] int8_t side2 ; [L190] COND TRUE (int )index == 0 [L191] return (active_side_History_0); VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L428] tmp = read_active_side_history((unsigned char)0) [L429] active_side = tmp [L430] side1 = nomsg [L431] side2 = nomsg [L432] side1 = s1p_old [L433] s1p_old = nomsg [L434] side2 = s2p_old [L435] s2p_old = nomsg VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L436] COND FALSE !((int )side1 == 1) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L439] COND FALSE !((int )side2 == 1) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L442] COND FALSE !((int )side1 == 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L450] COND TRUE (int )side1 == (int )nomsg VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L451] COND FALSE !((int )side2 == 0) [L454] active_side = (int8_t )0 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L179] active_side_History_2 = active_side_History_1 [L180] active_side_History_1 = active_side_History_0 [L181] active_side_History_0 = val VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L631] cs1_old = cs1_new [L632] cs1_new = nomsg [L633] cs2_old = cs2_new [L634] cs2_new = nomsg [L635] s1s2_old = s1s2_new [L636] s1s2_new = nomsg [L637] s1s1_old = s1s1_new [L638] s1s1_new = nomsg [L639] s2s1_old = s2s1_new [L640] s2s1_new = nomsg [L641] s2s2_old = s2s2_new [L642] s2s2_new = nomsg [L643] s1p_old = s1p_new [L644] s1p_new = nomsg [L645] s2p_old = s2p_new [L646] s2p_new = nomsg [L466] int tmp ; [L467] msg_t tmp___0 ; [L468] _Bool tmp___1 ; [L469] _Bool tmp___2 ; [L470] _Bool tmp___3 ; [L471] _Bool tmp___4 ; [L472] int8_t tmp___5 ; [L473] _Bool tmp___6 ; [L474] _Bool tmp___7 ; [L475] _Bool tmp___8 ; [L476] int8_t tmp___9 ; [L477] _Bool tmp___10 ; [L478] _Bool tmp___11 ; [L479] _Bool tmp___12 ; [L480] msg_t tmp___13 ; [L481] _Bool tmp___14 ; [L482] _Bool tmp___15 ; [L483] _Bool tmp___16 ; [L484] _Bool tmp___17 ; [L485] int8_t tmp___18 ; [L486] int8_t tmp___19 ; [L487] int8_t tmp___20 ; VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L490] COND TRUE ! side1Failed [L491] tmp = 1 VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L220] COND FALSE !((int )index == 0) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L223] COND TRUE (int )index == 1 [L224] return (manual_selection_History_1); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L499] tmp___0 = read_manual_selection_history((unsigned char)1) [L500] COND TRUE ! tmp___0 [L130] COND FALSE !((int )index == 0) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L133] COND TRUE (int )index == 1 [L134] return (side1Failed_History_1); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L501] tmp___1 = read_side1_failed_history((unsigned char)1) [L502] COND TRUE ! tmp___1 [L130] COND TRUE (int )index == 0 [L131] return (side1Failed_History_0); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L503] tmp___2 = read_side1_failed_history((unsigned char)0) [L504] COND TRUE ! tmp___2 [L160] COND FALSE !((int )index == 0) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L163] COND TRUE (int )index == 1 [L164] return (side2Failed_History_1); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L505] tmp___3 = read_side2_failed_history((unsigned char)1) [L506] COND TRUE ! tmp___3 [L160] COND TRUE (int )index == 0 [L161] return (side2Failed_History_0); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L507] tmp___4 = read_side2_failed_history((unsigned char)0) [L508] COND TRUE ! tmp___4 VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L509] COND FALSE !(! ((int )side1_written == 1)) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L514] COND FALSE !(! (! ((int )side1_written == 0))) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L519] COND TRUE ! (! ((int )side1_written == 1)) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L520] COND TRUE ! ((int )side2_written == 0) [L521] return (0); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L647] c1 = check() [L660] COND TRUE ! arg VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L662] __VERIFIER_error() VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 293 locations, 23 error locations. Result: UNSAFE, OverallTime: 6.6s, OverallIterations: 21, TraceHistogramMax: 1, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 9033 SDtfs, 12752 SDslu, 14301 SDs, 0 SdLazy, 1331 SolverSat, 143 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 63 SyntacticMatches, 8 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=700occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 6942 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1320 NumberOfCodeBlocks, 1320 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1225 ConstructedInterpolants, 0 QuantifiedInterpolants, 255377 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...