./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label46.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/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label46.c -s /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b933e5eb5edc3f9dba2cad9f501770deba788f6d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:43:54,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:43:54,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:43:54,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:43:54,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:43:54,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:43:54,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:43:54,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:43:54,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:43:54,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:43:54,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:43:54,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:43:54,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:43:54,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:43:54,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:43:54,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:43:54,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:43:54,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:43:54,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:43:54,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:43:54,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:43:54,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:43:54,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:43:54,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:43:54,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:43:54,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:43:54,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:43:54,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:43:54,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:43:54,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:43:54,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:43:54,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:43:54,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:43:54,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:43:54,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:43:54,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:43:54,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:43:54,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:43:54,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:43:54,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:43:54,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:43:54,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:43:54,064 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:43:54,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:43:54,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:43:54,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:43:54,066 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:43:54,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:43:54,066 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:43:54,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:43:54,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:43:54,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:43:54,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:43:54,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:43:54,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:43:54,068 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:43:54,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:43:54,068 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:43:54,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:43:54,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:43:54,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:43:54,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:43:54,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:43:54,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:43:54,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:43:54,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:43:54,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:43:54,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:43:54,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:43:54,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:43:54,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b933e5eb5edc3f9dba2cad9f501770deba788f6d [2019-11-16 00:43:54,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:43:54,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:43:54,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:43:54,112 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:43:54,112 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:43:54,113 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label46.c [2019-11-16 00:43:54,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer/data/00fbb6d13/a78d2c8cab6b40c1b3cd88d842d561df/FLAG97492d652 [2019-11-16 00:43:54,636 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:43:54,636 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/sv-benchmarks/c/eca-rers2012/Problem02_label46.c [2019-11-16 00:43:54,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer/data/00fbb6d13/a78d2c8cab6b40c1b3cd88d842d561df/FLAG97492d652 [2019-11-16 00:43:54,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer/data/00fbb6d13/a78d2c8cab6b40c1b3cd88d842d561df [2019-11-16 00:43:54,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:43:54,889 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:43:54,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:43:54,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:43:54,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:43:54,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:54" (1/1) ... [2019-11-16 00:43:54,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d47d737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54, skipping insertion in model container [2019-11-16 00:43:54,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:54" (1/1) ... [2019-11-16 00:43:54,902 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:43:54,943 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:43:55,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:43:55,349 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:43:55,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:43:55,535 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:43:55,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:55 WrapperNode [2019-11-16 00:43:55,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:43:55,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:43:55,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:43:55,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:43:55,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:55" (1/1) ... [2019-11-16 00:43:55,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:55" (1/1) ... [2019-11-16 00:43:55,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:43:55,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:43:55,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:43:55,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:43:55,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:55" (1/1) ... [2019-11-16 00:43:55,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:55" (1/1) ... [2019-11-16 00:43:55,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:55" (1/1) ... [2019-11-16 00:43:55,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:55" (1/1) ... [2019-11-16 00:43:55,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:55" (1/1) ... [2019-11-16 00:43:55,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:55" (1/1) ... [2019-11-16 00:43:55,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:55" (1/1) ... [2019-11-16 00:43:55,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:43:55,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:43:55,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:43:55,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:43:55,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:43:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:43:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:43:57,043 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:43:57,044 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-16 00:43:57,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:57 BoogieIcfgContainer [2019-11-16 00:43:57,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:43:57,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:43:57,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:43:57,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:43:57,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:43:54" (1/3) ... [2019-11-16 00:43:57,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bf2b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:57, skipping insertion in model container [2019-11-16 00:43:57,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:55" (2/3) ... [2019-11-16 00:43:57,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bf2b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:57, skipping insertion in model container [2019-11-16 00:43:57,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:57" (3/3) ... [2019-11-16 00:43:57,055 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2019-11-16 00:43:57,064 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:43:57,073 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:43:57,083 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:43:57,124 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:43:57,124 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:43:57,124 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:43:57,124 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:43:57,124 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:43:57,124 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:43:57,124 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:43:57,125 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:43:57,142 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-16 00:43:57,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-16 00:43:57,158 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:43:57,160 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:43:57,164 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:43:57,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:43:57,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1952388485, now seen corresponding path program 1 times [2019-11-16 00:43:57,178 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:43:57,178 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121909887] [2019-11-16 00:43:57,179 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:43:57,179 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:43:57,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:43:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:43:57,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:43:57,530 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121909887] [2019-11-16 00:43:57,531 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:43:57,531 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:43:57,532 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351053217] [2019-11-16 00:43:57,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:43:57,539 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:43:57,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:43:57,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:43:57,554 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-16 00:43:59,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:43:59,132 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2019-11-16 00:43:59,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:43:59,135 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2019-11-16 00:43:59,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:43:59,159 INFO L225 Difference]: With dead ends: 775 [2019-11-16 00:43:59,160 INFO L226 Difference]: Without dead ends: 460 [2019-11-16 00:43:59,167 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:43:59,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-11-16 00:43:59,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2019-11-16 00:43:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-16 00:43:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2019-11-16 00:43:59,246 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 112 [2019-11-16 00:43:59,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:43:59,247 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2019-11-16 00:43:59,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:43:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2019-11-16 00:43:59,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-16 00:43:59,250 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:43:59,250 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:43:59,250 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:43:59,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:43:59,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1907847920, now seen corresponding path program 1 times [2019-11-16 00:43:59,251 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:43:59,251 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378020945] [2019-11-16 00:43:59,251 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:43:59,251 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:43:59,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:43:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:43:59,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:43:59,467 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378020945] [2019-11-16 00:43:59,467 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:43:59,467 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:43:59,468 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928149517] [2019-11-16 00:43:59,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:43:59,470 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:43:59,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:43:59,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:43:59,471 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2019-11-16 00:44:00,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:44:00,373 INFO L93 Difference]: Finished difference Result 1180 states and 1740 transitions. [2019-11-16 00:44:00,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:44:00,373 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2019-11-16 00:44:00,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:44:00,379 INFO L225 Difference]: With dead ends: 1180 [2019-11-16 00:44:00,380 INFO L226 Difference]: Without dead ends: 874 [2019-11-16 00:44:00,381 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:44:00,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-11-16 00:44:00,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 871. [2019-11-16 00:44:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 871 states. [2019-11-16 00:44:00,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1173 transitions. [2019-11-16 00:44:00,427 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1173 transitions. Word has length 116 [2019-11-16 00:44:00,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:44:00,428 INFO L462 AbstractCegarLoop]: Abstraction has 871 states and 1173 transitions. [2019-11-16 00:44:00,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:44:00,428 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1173 transitions. [2019-11-16 00:44:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-16 00:44:00,439 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:44:00,439 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:44:00,439 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:44:00,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:44:00,440 INFO L82 PathProgramCache]: Analyzing trace with hash 534684038, now seen corresponding path program 1 times [2019-11-16 00:44:00,440 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:44:00,441 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823690185] [2019-11-16 00:44:00,442 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:44:00,442 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:44:00,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:44:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:44:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:44:00,541 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823690185] [2019-11-16 00:44:00,541 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:44:00,541 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:44:00,542 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530625349] [2019-11-16 00:44:00,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:44:00,542 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:44:00,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:44:00,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:44:00,543 INFO L87 Difference]: Start difference. First operand 871 states and 1173 transitions. Second operand 4 states. [2019-11-16 00:44:01,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:44:01,399 INFO L93 Difference]: Finished difference Result 3159 states and 4264 transitions. [2019-11-16 00:44:01,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:44:01,399 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2019-11-16 00:44:01,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:44:01,412 INFO L225 Difference]: With dead ends: 3159 [2019-11-16 00:44:01,413 INFO L226 Difference]: Without dead ends: 2290 [2019-11-16 00:44:01,415 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:44:01,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2019-11-16 00:44:01,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 1432. [2019-11-16 00:44:01,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1432 states. [2019-11-16 00:44:01,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 1934 transitions. [2019-11-16 00:44:01,484 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 1934 transitions. Word has length 130 [2019-11-16 00:44:01,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:44:01,485 INFO L462 AbstractCegarLoop]: Abstraction has 1432 states and 1934 transitions. [2019-11-16 00:44:01,485 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:44:01,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1934 transitions. [2019-11-16 00:44:01,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-16 00:44:01,489 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:44:01,490 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:44:01,490 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:44:01,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:44:01,491 INFO L82 PathProgramCache]: Analyzing trace with hash -191840543, now seen corresponding path program 1 times [2019-11-16 00:44:01,491 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:44:01,491 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916204455] [2019-11-16 00:44:01,491 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:44:01,491 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:44:01,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:44:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:44:01,613 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:44:01,614 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916204455] [2019-11-16 00:44:01,615 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:44:01,615 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:44:01,615 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823330549] [2019-11-16 00:44:01,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:44:01,616 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:44:01,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:44:01,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:44:01,617 INFO L87 Difference]: Start difference. First operand 1432 states and 1934 transitions. Second operand 3 states. [2019-11-16 00:44:02,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:44:02,171 INFO L93 Difference]: Finished difference Result 3841 states and 5156 transitions. [2019-11-16 00:44:02,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:44:02,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-11-16 00:44:02,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:44:02,185 INFO L225 Difference]: With dead ends: 3841 [2019-11-16 00:44:02,185 INFO L226 Difference]: Without dead ends: 2411 [2019-11-16 00:44:02,188 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:44:02,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2411 states. [2019-11-16 00:44:02,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2411 to 2411. [2019-11-16 00:44:02,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2411 states. [2019-11-16 00:44:02,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 3033 transitions. [2019-11-16 00:44:02,250 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 3033 transitions. Word has length 132 [2019-11-16 00:44:02,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:44:02,251 INFO L462 AbstractCegarLoop]: Abstraction has 2411 states and 3033 transitions. [2019-11-16 00:44:02,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:44:02,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 3033 transitions. [2019-11-16 00:44:02,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-16 00:44:02,255 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:44:02,256 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:44:02,256 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:44:02,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:44:02,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1930928697, now seen corresponding path program 1 times [2019-11-16 00:44:02,257 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:44:02,257 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319248138] [2019-11-16 00:44:02,258 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:44:02,258 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:44:02,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:44:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:44:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-16 00:44:02,419 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319248138] [2019-11-16 00:44:02,420 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:44:02,420 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:44:02,421 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488054921] [2019-11-16 00:44:02,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:44:02,421 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:44:02,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:44:02,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:44:02,422 INFO L87 Difference]: Start difference. First operand 2411 states and 3033 transitions. Second operand 4 states. [2019-11-16 00:44:03,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:44:03,308 INFO L93 Difference]: Finished difference Result 5660 states and 7089 transitions. [2019-11-16 00:44:03,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:44:03,308 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2019-11-16 00:44:03,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:44:03,320 INFO L225 Difference]: With dead ends: 5660 [2019-11-16 00:44:03,321 INFO L226 Difference]: Without dead ends: 2124 [2019-11-16 00:44:03,324 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:44:03,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2124 states. [2019-11-16 00:44:03,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2124 to 2124. [2019-11-16 00:44:03,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2124 states. [2019-11-16 00:44:03,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 2549 transitions. [2019-11-16 00:44:03,368 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 2549 transitions. Word has length 139 [2019-11-16 00:44:03,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:44:03,369 INFO L462 AbstractCegarLoop]: Abstraction has 2124 states and 2549 transitions. [2019-11-16 00:44:03,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:44:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2549 transitions. [2019-11-16 00:44:03,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-16 00:44:03,374 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:44:03,374 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:44:03,374 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:44:03,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:44:03,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1824532979, now seen corresponding path program 1 times [2019-11-16 00:44:03,375 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:44:03,375 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690210907] [2019-11-16 00:44:03,375 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:44:03,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:44:03,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:44:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:44:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-16 00:44:03,437 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690210907] [2019-11-16 00:44:03,438 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:44:03,438 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:44:03,438 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712253981] [2019-11-16 00:44:03,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:44:03,439 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:44:03,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:44:03,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:44:03,440 INFO L87 Difference]: Start difference. First operand 2124 states and 2549 transitions. Second operand 4 states. [2019-11-16 00:44:04,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:44:04,133 INFO L93 Difference]: Finished difference Result 5089 states and 6115 transitions. [2019-11-16 00:44:04,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:44:04,137 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2019-11-16 00:44:04,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:44:04,152 INFO L225 Difference]: With dead ends: 5089 [2019-11-16 00:44:04,152 INFO L226 Difference]: Without dead ends: 2967 [2019-11-16 00:44:04,155 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:44:04,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2967 states. [2019-11-16 00:44:04,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2967 to 2684. [2019-11-16 00:44:04,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2684 states. [2019-11-16 00:44:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 3063 transitions. [2019-11-16 00:44:04,209 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 3063 transitions. Word has length 156 [2019-11-16 00:44:04,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:44:04,210 INFO L462 AbstractCegarLoop]: Abstraction has 2684 states and 3063 transitions. [2019-11-16 00:44:04,210 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:44:04,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 3063 transitions. [2019-11-16 00:44:04,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-16 00:44:04,216 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:44:04,216 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:44:04,216 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:44:04,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:44:04,217 INFO L82 PathProgramCache]: Analyzing trace with hash -2044540922, now seen corresponding path program 1 times [2019-11-16 00:44:04,217 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:44:04,217 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746891085] [2019-11-16 00:44:04,217 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:44:04,217 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:44:04,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:44:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:44:04,266 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-16 00:44:04,266 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746891085] [2019-11-16 00:44:04,266 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:44:04,267 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:44:04,267 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923967311] [2019-11-16 00:44:04,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:44:04,268 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:44:04,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:44:04,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:44:04,268 INFO L87 Difference]: Start difference. First operand 2684 states and 3063 transitions. Second operand 3 states. [2019-11-16 00:44:04,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:44:04,742 INFO L93 Difference]: Finished difference Result 5367 states and 6125 transitions. [2019-11-16 00:44:04,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:44:04,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-11-16 00:44:04,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:44:04,755 INFO L225 Difference]: With dead ends: 5367 [2019-11-16 00:44:04,756 INFO L226 Difference]: Without dead ends: 2685 [2019-11-16 00:44:04,759 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 [2019-11-16 00:44:04,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2019-11-16 00:44:04,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2684. [2019-11-16 00:44:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2684 states. [2019-11-16 00:44:04,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 3009 transitions. [2019-11-16 00:44:04,805 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 3009 transitions. Word has length 166 [2019-11-16 00:44:04,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:44:04,805 INFO L462 AbstractCegarLoop]: Abstraction has 2684 states and 3009 transitions. [2019-11-16 00:44:04,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:44:04,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 3009 transitions. [2019-11-16 00:44:04,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-16 00:44:04,811 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:44:04,812 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:44:04,812 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:44:04,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:44:04,812 INFO L82 PathProgramCache]: Analyzing trace with hash 77820767, now seen corresponding path program 1 times [2019-11-16 00:44:04,813 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:44:04,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560299982] [2019-11-16 00:44:04,813 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:44:04,813 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:44:04,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:44:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:44:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-16 00:44:04,868 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560299982] [2019-11-16 00:44:04,868 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:44:04,868 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:44:04,868 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085258407] [2019-11-16 00:44:04,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:44:04,869 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:44:04,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:44:04,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:44:04,870 INFO L87 Difference]: Start difference. First operand 2684 states and 3009 transitions. Second operand 3 states. [2019-11-16 00:44:05,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:44:05,246 INFO L93 Difference]: Finished difference Result 5787 states and 6454 transitions. [2019-11-16 00:44:05,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:44:05,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-11-16 00:44:05,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:44:05,246 INFO L225 Difference]: With dead ends: 5787 [2019-11-16 00:44:05,246 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:44:05,251 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 [2019-11-16 00:44:05,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:44:05,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:44:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:44:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:44:05,252 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2019-11-16 00:44:05,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:44:05,253 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:44:05,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:44:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:44:05,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:44:05,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-16 00:44:05,467 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2019-11-16 00:44:05,591 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2019-11-16 00:44:05,592 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,593 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,593 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,593 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-16 00:44:05,593 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-16 00:44:05,593 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-16 00:44:05,593 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-16 00:44:05,593 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-16 00:44:05,593 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-16 00:44:05,593 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-16 00:44:05,593 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,594 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,594 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,594 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-16 00:44:05,594 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-16 00:44:05,594 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-16 00:44:05,594 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-16 00:44:05,594 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-16 00:44:05,594 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-16 00:44:05,594 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-16 00:44:05,594 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,594 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,595 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,595 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-16 00:44:05,595 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-16 00:44:05,595 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-16 00:44:05,595 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-16 00:44:05,595 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-16 00:44:05,595 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,595 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,595 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,595 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-16 00:44:05,596 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-16 00:44:05,596 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-16 00:44:05,596 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-16 00:44:05,596 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-16 00:44:05,596 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-16 00:44:05,596 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-16 00:44:05,596 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-16 00:44:05,596 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,596 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,596 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,597 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-16 00:44:05,597 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-16 00:44:05,597 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-16 00:44:05,597 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-16 00:44:05,597 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-16 00:44:05,597 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-16 00:44:05,597 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-16 00:44:05,597 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-16 00:44:05,597 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,597 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,597 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,598 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-16 00:44:05,598 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-16 00:44:05,598 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-16 00:44:05,598 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-16 00:44:05,598 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-16 00:44:05,598 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-16 00:44:05,598 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-16 00:44:05,598 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-16 00:44:05,598 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-16 00:44:05,598 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,599 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,599 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,599 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-16 00:44:05,599 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-16 00:44:05,599 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-16 00:44:05,599 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-16 00:44:05,599 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-16 00:44:05,599 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-16 00:44:05,599 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,599 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,599 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,600 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-16 00:44:05,600 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-16 00:44:05,600 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-16 00:44:05,600 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-16 00:44:05,600 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-16 00:44:05,600 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-16 00:44:05,600 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 508) no Hoare annotation was computed. [2019-11-16 00:44:05,600 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-16 00:44:05,600 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-16 00:44:05,600 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-16 00:44:05,601 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,601 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,601 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,601 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-16 00:44:05,603 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-16 00:44:05,603 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-16 00:44:05,603 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-16 00:44:05,603 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-16 00:44:05,603 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,603 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,603 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,604 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-16 00:44:05,604 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-16 00:44:05,604 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-16 00:44:05,604 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-16 00:44:05,604 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-16 00:44:05,604 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-16 00:44:05,604 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-16 00:44:05,605 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-16 00:44:05,605 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-16 00:44:05,605 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-16 00:44:05,605 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-16 00:44:05,605 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-16 00:44:05,605 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,605 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,606 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-16 00:44:05,606 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-16 00:44:05,606 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-16 00:44:05,606 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-16 00:44:05,606 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-16 00:44:05,606 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-16 00:44:05,606 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-16 00:44:05,607 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-16 00:44:05,607 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-16 00:44:05,607 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse3 (not (= ~a28~0 11))) (.cse1 (not (= 1 ~a11~0))) (.cse6 (= ~a28~0 9)) (.cse4 (not (= 10 ~a28~0))) (.cse0 (= ~a19~0 1)) (.cse5 (not .cse2)) (.cse7 (= ~a17~0 7))) (or (and .cse0 .cse1) (and .cse2 .cse1 .cse3) (and .cse0 .cse2 .cse3) (and .cse4 .cse5 .cse1) (and .cse6 .cse7) (and .cse6 .cse0) (and .cse4 .cse7 .cse0) (and (= ~a28~0 7) .cse5) (and .cse7 (<= ~a25~0 0))))) [2019-11-16 00:44:05,607 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,608 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,608 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-16 00:44:05,608 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-16 00:44:05,608 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-16 00:44:05,608 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-16 00:44:05,608 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-16 00:44:05,608 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-16 00:44:05,609 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-16 00:44:05,609 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,609 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,609 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-16 00:44:05,609 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-16 00:44:05,609 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-16 00:44:05,609 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-16 00:44:05,610 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-16 00:44:05,610 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-16 00:44:05,610 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-16 00:44:05,610 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-16 00:44:05,610 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-16 00:44:05,610 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,611 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,611 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-16 00:44:05,611 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-16 00:44:05,611 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-16 00:44:05,611 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-16 00:44:05,611 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-16 00:44:05,611 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-16 00:44:05,612 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse3 (not (= ~a28~0 11))) (.cse1 (not (= 1 ~a11~0))) (.cse6 (= ~a28~0 9)) (.cse4 (not (= 10 ~a28~0))) (.cse0 (= ~a19~0 1)) (.cse5 (not .cse2)) (.cse7 (= ~a17~0 7))) (or (and .cse0 .cse1) (and .cse2 .cse1 .cse3) (and .cse0 .cse2 .cse3) (and .cse4 .cse5 .cse1) (and .cse6 .cse7) (and .cse6 .cse0) (and .cse4 .cse7 .cse0) (and (= ~a28~0 7) .cse5) (and .cse7 (<= ~a25~0 0))))) [2019-11-16 00:44:05,612 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,612 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,612 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-16 00:44:05,612 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-16 00:44:05,612 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-16 00:44:05,613 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-16 00:44:05,613 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-16 00:44:05,613 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,613 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,613 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-16 00:44:05,613 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-16 00:44:05,613 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-16 00:44:05,614 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-16 00:44:05,614 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-16 00:44:05,614 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-16 00:44:05,614 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-16 00:44:05,614 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-16 00:44:05,614 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-16 00:44:05,614 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,615 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,615 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-16 00:44:05,615 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,615 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-16 00:44:05,615 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-16 00:44:05,615 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-16 00:44:05,615 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-16 00:44:05,616 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-16 00:44:05,616 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-16 00:44:05,616 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-16 00:44:05,616 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,616 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,616 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,616 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-16 00:44:05,617 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-16 00:44:05,617 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-16 00:44:05,617 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-16 00:44:05,617 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-16 00:44:05,617 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,617 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,617 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,618 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-16 00:44:05,618 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-16 00:44:05,618 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-16 00:44:05,618 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-16 00:44:05,618 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-16 00:44:05,618 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-16 00:44:05,618 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,618 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,619 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,619 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-16 00:44:05,619 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-16 00:44:05,619 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-16 00:44:05,619 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-16 00:44:05,619 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-16 00:44:05,619 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-16 00:44:05,620 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-16 00:44:05,620 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-16 00:44:05,620 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-16 00:44:05,620 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,620 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,620 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,620 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-16 00:44:05,621 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-16 00:44:05,621 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-16 00:44:05,621 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-16 00:44:05,621 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-16 00:44:05,621 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,621 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,621 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:44:05,622 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-16 00:44:05,622 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-16 00:44:05,622 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-16 00:44:05,622 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-16 00:44:05,622 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-16 00:44:05,622 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-16 00:44:05,622 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-16 00:44:05,623 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-16 00:44:05,623 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-16 00:44:05,623 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-16 00:44:05,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:44:05 BoogieIcfgContainer [2019-11-16 00:44:05,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:44:05,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:44:05,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:44:05,641 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:44:05,642 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:57" (3/4) ... [2019-11-16 00:44:05,645 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:44:05,664 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-16 00:44:05,666 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-16 00:44:05,790 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_09981e0a-ed12-4839-8819-f2dd6a3a9def/bin/uautomizer/witness.graphml [2019-11-16 00:44:05,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:44:05,791 INFO L168 Benchmark]: Toolchain (without parser) took 10902.91 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 296.2 MB). Free memory was 944.7 MB in the beginning and 850.8 MB in the end (delta: 93.9 MB). Peak memory consumption was 390.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:44:05,792 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:44:05,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:44:05,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:44:05,793 INFO L168 Benchmark]: Boogie Preprocessor took 83.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:44:05,793 INFO L168 Benchmark]: RCFGBuilder took 1339.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 966.6 MB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:44:05,793 INFO L168 Benchmark]: TraceAbstraction took 8595.01 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 966.6 MB in the beginning and 873.2 MB in the end (delta: 93.5 MB). Peak memory consumption was 269.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:44:05,794 INFO L168 Benchmark]: Witness Printer took 149.10 ms. Allocated memory is still 1.3 GB. Free memory was 873.2 MB in the beginning and 850.8 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:44:05,796 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 647.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1339.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 966.6 MB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8595.01 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 966.6 MB in the beginning and 873.2 MB in the end (delta: 93.5 MB). Peak memory consumption was 269.1 MB. Max. memory is 11.5 GB. * Witness Printer took 149.10 ms. Allocated memory is still 1.3 GB. Free memory was 873.2 MB in the beginning and 850.8 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 508]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((a19 == 1 && !(1 == a11)) || ((a25 == 1 && !(1 == a11)) && !(a28 == 11))) || ((a19 == 1 && a25 == 1) && !(a28 == 11))) || ((!(10 == a28) && !(a25 == 1)) && !(1 == a11))) || (a28 == 9 && a17 == 7)) || (a28 == 9 && a19 == 1)) || ((!(10 == a28) && a17 == 7) && a19 == 1)) || (a28 == 7 && !(a25 == 1))) || (a17 == 7 && a25 <= 0) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((a19 == 1 && !(1 == a11)) || ((a25 == 1 && !(1 == a11)) && !(a28 == 11))) || ((a19 == 1 && a25 == 1) && !(a28 == 11))) || ((!(10 == a28) && !(a25 == 1)) && !(1 == a11))) || (a28 == 9 && a17 == 7)) || (a28 == 9 && a19 == 1)) || ((!(10 == a28) && a17 == 7) && a19 == 1)) || (a28 == 7 && !(a25 == 1))) || (a17 == 7 && a25 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 8.5s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1012 SDtfs, 1742 SDslu, 248 SDs, 0 SdLazy, 4756 SolverSat, 817 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2684occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1297 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 66 NumberOfFragments, 171 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1134 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 566 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1123 NumberOfCodeBlocks, 1123 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1115 ConstructedInterpolants, 0 QuantifiedInterpolants, 298315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 345/345 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...