./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label25.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label25.c -s /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/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 ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:43:02,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:43:02,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:43:03,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:43:03,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:43:03,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:43:03,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:43:03,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:43:03,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:43:03,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:43:03,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:43:03,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:43:03,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:43:03,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:43:03,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:43:03,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:43:03,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:43:03,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:43:03,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:43:03,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:43:03,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:43:03,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:43:03,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:43:03,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:43:03,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:43:03,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:43:03,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:43:03,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:43:03,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:43:03,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:43:03,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:43:03,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:43:03,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:43:03,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:43:03,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:43:03,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:43:03,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:43:03,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:43:03,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:43:03,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:43:03,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:43:03,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 07:43:03,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:43:03,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:43:03,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:43:03,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:43:03,063 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:43:03,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:43:03,063 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:43:03,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:43:03,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:43:03,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:43:03,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:43:03,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:43:03,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:43:03,064 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:43:03,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:43:03,065 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:43:03,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:43:03,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:43:03,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:43:03,065 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:43:03,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:43:03,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:43:03,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:43:03,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:43:03,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:43:03,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:43:03,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:43:03,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:43:03,067 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_84a5b636-9cd8-4dc7-8842-949cf4d42493/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 -> ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 [2019-11-20 07:43:03,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:43:03,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:43:03,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:43:03,249 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:43:03,249 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:43:03,250 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label25.c [2019-11-20 07:43:03,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/bin/uautomizer/data/0ef40deab/9366d9038c854b168d53574e18ec2c63/FLAG0d5d2e404 [2019-11-20 07:43:03,797 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:43:03,797 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/sv-benchmarks/c/eca-rers2012/Problem02_label25.c [2019-11-20 07:43:03,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/bin/uautomizer/data/0ef40deab/9366d9038c854b168d53574e18ec2c63/FLAG0d5d2e404 [2019-11-20 07:43:04,325 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/bin/uautomizer/data/0ef40deab/9366d9038c854b168d53574e18ec2c63 [2019-11-20 07:43:04,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:43:04,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:43:04,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:43:04,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:43:04,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:43:04,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:43:04" (1/1) ... [2019-11-20 07:43:04,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61dceabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:04, skipping insertion in model container [2019-11-20 07:43:04,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:43:04" (1/1) ... [2019-11-20 07:43:04,342 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:43:04,387 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:43:04,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:43:04,810 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:43:04,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:43:04,912 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:43:04,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:04 WrapperNode [2019-11-20 07:43:04,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:43:04,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:43:04,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:43:04,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:43:04,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:04" (1/1) ... [2019-11-20 07:43:04,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:04" (1/1) ... [2019-11-20 07:43:04,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:43:04,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:43:04,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:43:04,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:43:05,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:04" (1/1) ... [2019-11-20 07:43:05,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:04" (1/1) ... [2019-11-20 07:43:05,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:04" (1/1) ... [2019-11-20 07:43:05,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:04" (1/1) ... [2019-11-20 07:43:05,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:04" (1/1) ... [2019-11-20 07:43:05,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:04" (1/1) ... [2019-11-20 07:43:05,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:04" (1/1) ... [2019-11-20 07:43:05,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:43:05,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:43:05,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:43:05,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:43:05,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/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 [2019-11-20 07:43:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:43:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:43:06,385 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:43:06,385 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 07:43:06,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:43:06 BoogieIcfgContainer [2019-11-20 07:43:06,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:43:06,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:43:06,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:43:06,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:43:06,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:43:04" (1/3) ... [2019-11-20 07:43:06,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f4ccc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:43:06, skipping insertion in model container [2019-11-20 07:43:06,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:04" (2/3) ... [2019-11-20 07:43:06,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f4ccc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:43:06, skipping insertion in model container [2019-11-20 07:43:06,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:43:06" (3/3) ... [2019-11-20 07:43:06,395 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label25.c [2019-11-20 07:43:06,404 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:43:06,412 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 07:43:06,422 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 07:43:06,458 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:43:06,459 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:43:06,459 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:43:06,459 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:43:06,459 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:43:06,459 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:43:06,459 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:43:06,460 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:43:06,479 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-20 07:43:06,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 07:43:06,500 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:43:06,501 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:43:06,502 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:43:06,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:43:06,509 INFO L82 PathProgramCache]: Analyzing trace with hash 975100445, now seen corresponding path program 1 times [2019-11-20 07:43:06,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:43:06,519 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032297828] [2019-11-20 07:43:06,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:43:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:07,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:43:07,031 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032297828] [2019-11-20 07:43:07,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:43:07,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:43:07,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551799566] [2019-11-20 07:43:07,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 07:43:07,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:43:07,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 07:43:07,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:43:07,057 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-20 07:43:08,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:43:08,442 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-20 07:43:08,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 07:43:08,444 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2019-11-20 07:43:08,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:43:08,465 INFO L225 Difference]: With dead ends: 739 [2019-11-20 07:43:08,465 INFO L226 Difference]: Without dead ends: 445 [2019-11-20 07:43:08,469 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:43:08,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-20 07:43:08,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-20 07:43:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-20 07:43:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-20 07:43:08,536 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 134 [2019-11-20 07:43:08,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:43:08,539 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-20 07:43:08,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 07:43:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-20 07:43:08,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-20 07:43:08,551 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:43:08,552 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:43:08,552 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:43:08,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:43:08,553 INFO L82 PathProgramCache]: Analyzing trace with hash 375324510, now seen corresponding path program 1 times [2019-11-20 07:43:08,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:43:08,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502848056] [2019-11-20 07:43:08,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:43:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:43:08,641 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502848056] [2019-11-20 07:43:08,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:43:08,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:43:08,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84971967] [2019-11-20 07:43:08,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 07:43:08,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:43:08,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 07:43:08,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:43:08,646 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-20 07:43:09,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:43:09,520 INFO L93 Difference]: Finished difference Result 1468 states and 2192 transitions. [2019-11-20 07:43:09,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 07:43:09,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2019-11-20 07:43:09,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:43:09,527 INFO L225 Difference]: With dead ends: 1468 [2019-11-20 07:43:09,527 INFO L226 Difference]: Without dead ends: 1025 [2019-11-20 07:43:09,529 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:43:09,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2019-11-20 07:43:09,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 729. [2019-11-20 07:43:09,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-20 07:43:09,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1052 transitions. [2019-11-20 07:43:09,564 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1052 transitions. Word has length 152 [2019-11-20 07:43:09,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:43:09,564 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1052 transitions. [2019-11-20 07:43:09,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 07:43:09,565 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1052 transitions. [2019-11-20 07:43:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-20 07:43:09,567 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:43:09,568 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:43:09,568 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:43:09,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:43:09,569 INFO L82 PathProgramCache]: Analyzing trace with hash 185080212, now seen corresponding path program 1 times [2019-11-20 07:43:09,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:43:09,569 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604843298] [2019-11-20 07:43:09,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:43:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:43:09,648 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604843298] [2019-11-20 07:43:09,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:43:09,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 07:43:09,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412737627] [2019-11-20 07:43:09,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:43:09,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:43:09,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:43:09,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:43:09,655 INFO L87 Difference]: Start difference. First operand 729 states and 1052 transitions. Second operand 3 states. [2019-11-20 07:43:10,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:43:10,203 INFO L93 Difference]: Finished difference Result 2019 states and 2906 transitions. [2019-11-20 07:43:10,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:43:10,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-11-20 07:43:10,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:43:10,211 INFO L225 Difference]: With dead ends: 2019 [2019-11-20 07:43:10,213 INFO L226 Difference]: Without dead ends: 1292 [2019-11-20 07:43:10,215 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:43:10,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2019-11-20 07:43:10,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1292. [2019-11-20 07:43:10,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1292 states. [2019-11-20 07:43:10,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1740 transitions. [2019-11-20 07:43:10,257 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1740 transitions. Word has length 156 [2019-11-20 07:43:10,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:43:10,258 INFO L462 AbstractCegarLoop]: Abstraction has 1292 states and 1740 transitions. [2019-11-20 07:43:10,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:43:10,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1740 transitions. [2019-11-20 07:43:10,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-20 07:43:10,263 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:43:10,263 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:43:10,263 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:43:10,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:43:10,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1769381024, now seen corresponding path program 1 times [2019-11-20 07:43:10,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:43:10,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506013424] [2019-11-20 07:43:10,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:43:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:43:10,375 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506013424] [2019-11-20 07:43:10,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:43:10,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:43:10,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343798428] [2019-11-20 07:43:10,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 07:43:10,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:43:10,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 07:43:10,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:43:10,379 INFO L87 Difference]: Start difference. First operand 1292 states and 1740 transitions. Second operand 4 states. [2019-11-20 07:43:11,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:43:11,284 INFO L93 Difference]: Finished difference Result 3847 states and 5106 transitions. [2019-11-20 07:43:11,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 07:43:11,285 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2019-11-20 07:43:11,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:43:11,297 INFO L225 Difference]: With dead ends: 3847 [2019-11-20 07:43:11,298 INFO L226 Difference]: Without dead ends: 2557 [2019-11-20 07:43:11,300 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:43:11,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2019-11-20 07:43:11,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2133. [2019-11-20 07:43:11,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2019-11-20 07:43:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2651 transitions. [2019-11-20 07:43:11,358 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2651 transitions. Word has length 165 [2019-11-20 07:43:11,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:43:11,360 INFO L462 AbstractCegarLoop]: Abstraction has 2133 states and 2651 transitions. [2019-11-20 07:43:11,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 07:43:11,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2651 transitions. [2019-11-20 07:43:11,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-20 07:43:11,365 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:43:11,366 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:43:11,366 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:43:11,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:43:11,367 INFO L82 PathProgramCache]: Analyzing trace with hash -48138153, now seen corresponding path program 1 times [2019-11-20 07:43:11,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:43:11,368 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311295164] [2019-11-20 07:43:11,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:43:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 07:43:11,491 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311295164] [2019-11-20 07:43:11,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:43:11,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 07:43:11,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055205046] [2019-11-20 07:43:11,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 07:43:11,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:43:11,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 07:43:11,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:43:11,493 INFO L87 Difference]: Start difference. First operand 2133 states and 2651 transitions. Second operand 4 states. [2019-11-20 07:43:12,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:43:12,126 INFO L93 Difference]: Finished difference Result 4264 states and 5300 transitions. [2019-11-20 07:43:12,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:43:12,127 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 172 [2019-11-20 07:43:12,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:43:12,138 INFO L225 Difference]: With dead ends: 4264 [2019-11-20 07:43:12,138 INFO L226 Difference]: Without dead ends: 2133 [2019-11-20 07:43:12,142 INFO L630 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 [2019-11-20 07:43:12,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2019-11-20 07:43:12,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1713. [2019-11-20 07:43:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1713 states. [2019-11-20 07:43:12,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2014 transitions. [2019-11-20 07:43:12,187 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2014 transitions. Word has length 172 [2019-11-20 07:43:12,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:43:12,187 INFO L462 AbstractCegarLoop]: Abstraction has 1713 states and 2014 transitions. [2019-11-20 07:43:12,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 07:43:12,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2014 transitions. [2019-11-20 07:43:12,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-20 07:43:12,192 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:43:12,193 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:43:12,193 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:43:12,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:43:12,194 INFO L82 PathProgramCache]: Analyzing trace with hash 806895735, now seen corresponding path program 1 times [2019-11-20 07:43:12,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:43:12,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201171431] [2019-11-20 07:43:12,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:43:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:43:12,273 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201171431] [2019-11-20 07:43:12,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:43:12,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:43:12,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443348935] [2019-11-20 07:43:12,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:43:12,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:43:12,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:43:12,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:43:12,276 INFO L87 Difference]: Start difference. First operand 1713 states and 2014 transitions. Second operand 3 states. [2019-11-20 07:43:12,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:43:12,792 INFO L93 Difference]: Finished difference Result 3710 states and 4325 transitions. [2019-11-20 07:43:12,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:43:12,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-11-20 07:43:12,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:43:12,803 INFO L225 Difference]: With dead ends: 3710 [2019-11-20 07:43:12,803 INFO L226 Difference]: Without dead ends: 1857 [2019-11-20 07:43:12,805 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:43:12,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2019-11-20 07:43:12,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1711. [2019-11-20 07:43:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1711 states. [2019-11-20 07:43:12,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1711 states and 1947 transitions. [2019-11-20 07:43:12,840 INFO L78 Accepts]: Start accepts. Automaton has 1711 states and 1947 transitions. Word has length 185 [2019-11-20 07:43:12,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:43:12,841 INFO L462 AbstractCegarLoop]: Abstraction has 1711 states and 1947 transitions. [2019-11-20 07:43:12,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:43:12,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 1947 transitions. [2019-11-20 07:43:12,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-20 07:43:12,847 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:43:12,847 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:43:12,847 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:43:12,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:43:12,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1184204288, now seen corresponding path program 1 times [2019-11-20 07:43:12,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:43:12,852 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607024187] [2019-11-20 07:43:12,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:43:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:13,003 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:43:13,004 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607024187] [2019-11-20 07:43:13,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:43:13,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:43:13,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088900615] [2019-11-20 07:43:13,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:43:13,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:43:13,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:43:13,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:43:13,014 INFO L87 Difference]: Start difference. First operand 1711 states and 1947 transitions. Second operand 3 states. [2019-11-20 07:43:13,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:43:13,492 INFO L93 Difference]: Finished difference Result 4116 states and 4672 transitions. [2019-11-20 07:43:13,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:43:13,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-11-20 07:43:13,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:43:13,503 INFO L225 Difference]: With dead ends: 4116 [2019-11-20 07:43:13,503 INFO L226 Difference]: Without dead ends: 1704 [2019-11-20 07:43:13,506 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:43:13,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2019-11-20 07:43:13,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1564. [2019-11-20 07:43:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1564 states. [2019-11-20 07:43:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 1712 transitions. [2019-11-20 07:43:13,535 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 1712 transitions. Word has length 194 [2019-11-20 07:43:13,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:43:13,536 INFO L462 AbstractCegarLoop]: Abstraction has 1564 states and 1712 transitions. [2019-11-20 07:43:13,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:43:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1712 transitions. [2019-11-20 07:43:13,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-11-20 07:43:13,541 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:43:13,541 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:43:13,541 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:43:13,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:43:13,542 INFO L82 PathProgramCache]: Analyzing trace with hash 2080879011, now seen corresponding path program 1 times [2019-11-20 07:43:13,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:43:13,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957262124] [2019-11-20 07:43:13,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:43:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 07:43:13,717 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957262124] [2019-11-20 07:43:13,718 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405603267] [2019-11-20 07:43:13,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 07:43:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:13,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:43:13,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:43:13,912 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 07:43:13,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 07:43:13,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-20 07:43:13,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376805924] [2019-11-20 07:43:13,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:43:13,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:43:13,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:43:13,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-20 07:43:13,915 INFO L87 Difference]: Start difference. First operand 1564 states and 1712 transitions. Second operand 3 states. [2019-11-20 07:43:14,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:43:14,309 INFO L93 Difference]: Finished difference Result 2836 states and 3080 transitions. [2019-11-20 07:43:14,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:43:14,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-11-20 07:43:14,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:43:14,310 INFO L225 Difference]: With dead ends: 2836 [2019-11-20 07:43:14,311 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 07:43:14,313 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-20 07:43:14,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 07:43:14,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 07:43:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 07:43:14,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 07:43:14,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2019-11-20 07:43:14,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:43:14,314 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:43:14,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:43:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:43:14,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:43:14,520 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 07:43:14,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 07:43:14,739 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2019-11-20 07:43:14,864 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2019-11-20 07:43:14,867 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,868 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,868 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,868 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-20 07:43:14,868 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-20 07:43:14,868 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-20 07:43:14,868 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-20 07:43:14,868 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-20 07:43:14,868 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-20 07:43:14,868 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-20 07:43:14,868 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,869 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,869 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,869 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-20 07:43:14,869 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-20 07:43:14,869 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-20 07:43:14,869 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-20 07:43:14,869 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-20 07:43:14,869 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-20 07:43:14,869 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-20 07:43:14,869 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,869 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,869 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,870 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-20 07:43:14,870 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-20 07:43:14,870 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-20 07:43:14,870 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-20 07:43:14,870 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-20 07:43:14,870 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,870 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,871 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,872 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-20 07:43:14,872 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-20 07:43:14,872 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-20 07:43:14,873 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-20 07:43:14,873 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-20 07:43:14,874 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-20 07:43:14,874 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-20 07:43:14,874 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-20 07:43:14,874 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,874 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,874 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,874 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-20 07:43:14,875 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-20 07:43:14,879 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-20 07:43:14,880 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-20 07:43:14,880 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-20 07:43:14,880 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-20 07:43:14,880 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-20 07:43:14,880 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-20 07:43:14,880 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,880 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,881 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,881 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-20 07:43:14,881 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-20 07:43:14,881 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-20 07:43:14,881 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-20 07:43:14,881 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-20 07:43:14,881 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-20 07:43:14,882 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-20 07:43:14,887 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-20 07:43:14,887 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-20 07:43:14,887 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,888 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,888 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,888 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-20 07:43:14,888 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-20 07:43:14,888 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-20 07:43:14,888 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-20 07:43:14,888 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-20 07:43:14,889 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-20 07:43:14,889 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,889 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,889 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,889 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-20 07:43:14,889 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-20 07:43:14,889 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-20 07:43:14,890 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-20 07:43:14,890 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-20 07:43:14,890 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 07:43:14,890 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-20 07:43:14,890 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-20 07:43:14,890 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-20 07:43:14,890 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,891 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,891 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,891 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-20 07:43:14,891 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-20 07:43:14,892 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-20 07:43:14,892 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-20 07:43:14,893 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-20 07:43:14,893 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,893 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,893 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,893 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-20 07:43:14,893 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-20 07:43:14,893 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-20 07:43:14,894 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-20 07:43:14,894 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-20 07:43:14,894 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-20 07:43:14,895 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-20 07:43:14,895 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-20 07:43:14,895 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-20 07:43:14,895 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-20 07:43:14,896 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 07:43:14,896 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 574) no Hoare annotation was computed. [2019-11-20 07:43:14,896 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-20 07:43:14,896 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,896 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,896 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-20 07:43:14,897 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-20 07:43:14,897 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-20 07:43:14,897 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-20 07:43:14,897 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-20 07:43:14,897 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-20 07:43:14,897 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-20 07:43:14,897 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-20 07:43:14,898 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-20 07:43:14,898 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse8 (= ~a25~0 1))) (let ((.cse6 (not .cse8)) (.cse7 (= ~a17~0 8))) (let ((.cse1 (and .cse6 .cse7)) (.cse0 (<= ~a19~0 0)) (.cse5 (not (= ~a28~0 11))) (.cse2 (<= ~a17~0 7)) (.cse4 (= ~a11~0 1)) (.cse3 (= ~a19~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= ~a28~0 7) .cse4) (and .cse1 .cse3 .cse5) (and .cse0 .cse5) (and .cse2 .cse3 .cse6 .cse4) (and .cse7 .cse3 .cse8))))) [2019-11-20 07:43:14,898 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,898 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,899 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-20 07:43:14,899 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-20 07:43:14,899 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-20 07:43:14,899 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-20 07:43:14,899 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-20 07:43:14,899 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-20 07:43:14,899 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-20 07:43:14,900 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,900 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,900 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-20 07:43:14,900 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-20 07:43:14,900 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-20 07:43:14,900 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-20 07:43:14,900 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-20 07:43:14,901 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-20 07:43:14,901 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-20 07:43:14,901 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-20 07:43:14,901 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-20 07:43:14,901 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,901 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,901 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-20 07:43:14,902 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-20 07:43:14,902 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-20 07:43:14,902 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-20 07:43:14,902 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-20 07:43:14,902 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-20 07:43:14,903 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse8 (= ~a25~0 1))) (let ((.cse6 (not .cse8)) (.cse7 (= ~a17~0 8))) (let ((.cse1 (and .cse6 .cse7)) (.cse0 (<= ~a19~0 0)) (.cse5 (not (= ~a28~0 11))) (.cse2 (<= ~a17~0 7)) (.cse4 (= ~a11~0 1)) (.cse3 (= ~a19~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= ~a28~0 7) .cse4) (and .cse1 .cse3 .cse5) (and .cse0 .cse5) (and .cse2 .cse3 .cse6 .cse4) (and .cse7 .cse3 .cse8))))) [2019-11-20 07:43:14,904 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,904 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,904 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-20 07:43:14,904 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-20 07:43:14,904 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-20 07:43:14,904 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-20 07:43:14,904 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-20 07:43:14,905 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,905 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,905 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-20 07:43:14,905 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-20 07:43:14,905 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-20 07:43:14,905 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-20 07:43:14,906 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-20 07:43:14,906 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-20 07:43:14,906 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-20 07:43:14,906 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-20 07:43:14,906 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-20 07:43:14,906 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,906 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,906 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-20 07:43:14,907 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,907 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-20 07:43:14,907 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-20 07:43:14,907 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-20 07:43:14,907 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-20 07:43:14,907 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-20 07:43:14,907 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 07:43:14,908 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-20 07:43:14,908 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,908 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,908 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,908 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-20 07:43:14,908 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-20 07:43:14,908 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-20 07:43:14,909 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-20 07:43:14,909 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-20 07:43:14,909 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,909 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,909 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,910 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-20 07:43:14,910 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-20 07:43:14,910 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-20 07:43:14,910 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-20 07:43:14,910 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-20 07:43:14,910 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-20 07:43:14,911 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,911 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,911 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,911 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-20 07:43:14,911 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-20 07:43:14,911 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-20 07:43:14,911 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-20 07:43:14,912 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-20 07:43:14,912 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-20 07:43:14,912 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 07:43:14,912 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-20 07:43:14,912 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-20 07:43:14,912 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,912 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,913 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,913 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-20 07:43:14,913 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-20 07:43:14,913 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-20 07:43:14,913 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-20 07:43:14,913 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-20 07:43:14,913 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,914 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,914 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 07:43:14,914 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-20 07:43:14,914 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-20 07:43:14,914 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-20 07:43:14,914 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-20 07:43:14,914 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-20 07:43:14,915 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-20 07:43:14,915 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-20 07:43:14,915 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-20 07:43:14,915 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-20 07:43:14,915 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-20 07:43:14,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:43:14 BoogieIcfgContainer [2019-11-20 07:43:14,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:43:14,949 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:43:14,949 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:43:14,950 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:43:14,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:43:06" (3/4) ... [2019-11-20 07:43:14,953 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:43:14,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 07:43:14,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 07:43:15,162 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_84a5b636-9cd8-4dc7-8842-949cf4d42493/bin/uautomizer/witness.graphml [2019-11-20 07:43:15,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:43:15,163 INFO L168 Benchmark]: Toolchain (without parser) took 10834.25 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 275.8 MB). Free memory was 943.4 MB in the beginning and 809.7 MB in the end (delta: 133.8 MB). Peak memory consumption was 409.5 MB. Max. memory is 11.5 GB. [2019-11-20 07:43:15,163 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:43:15,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 07:43:15,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.73 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. [2019-11-20 07:43:15,165 INFO L168 Benchmark]: Boogie Preprocessor took 81.49 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. [2019-11-20 07:43:15,165 INFO L168 Benchmark]: RCFGBuilder took 1312.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 956.5 MB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. [2019-11-20 07:43:15,165 INFO L168 Benchmark]: TraceAbstraction took 8561.86 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 173.0 MB). Free memory was 956.5 MB in the beginning and 832.1 MB in the end (delta: 124.5 MB). Peak memory consumption was 297.5 MB. Max. memory is 11.5 GB. [2019-11-20 07:43:15,166 INFO L168 Benchmark]: Witness Printer took 212.91 ms. Allocated memory is still 1.3 GB. Free memory was 832.1 MB in the beginning and 809.7 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:43:15,168 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 582.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.73 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 81.49 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 1312.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 956.5 MB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8561.86 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 173.0 MB). Free memory was 956.5 MB in the beginning and 832.1 MB in the end (delta: 124.5 MB). Peak memory consumption was 297.5 MB. Max. memory is 11.5 GB. * Witness Printer took 212.91 ms. Allocated memory is still 1.3 GB. Free memory was 832.1 MB in the beginning and 809.7 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 574]: 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 <= 0 && !(a25 == 1) && a17 == 8) || (((a17 <= 7 && a19 == 1) && a28 == 7) && a11 == 1)) || (((!(a25 == 1) && a17 == 8) && a19 == 1) && !(a28 == 11))) || (a19 <= 0 && !(a28 == 11))) || (((a17 <= 7 && a19 == 1) && !(a25 == 1)) && a11 == 1)) || ((a17 == 8 && a19 == 1) && a25 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((a19 <= 0 && !(a25 == 1) && a17 == 8) || (((a17 <= 7 && a19 == 1) && a28 == 7) && a11 == 1)) || (((!(a25 == 1) && a17 == 8) && a19 == 1) && !(a28 == 11))) || (a19 <= 0 && !(a28 == 11))) || (((a17 <= 7 && a19 == 1) && !(a25 == 1)) && a11 == 1)) || ((a17 == 8 && a19 == 1) && a25 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 8.4s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1184 SDtfs, 1692 SDslu, 228 SDs, 0 SdLazy, 3954 SolverSat, 750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 217 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2133occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1426 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 36 NumberOfFragments, 149 HoareAnnotationTreeSize, 3 FomulaSimplifications, 612 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 288 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1574 NumberOfCodeBlocks, 1574 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1565 ConstructedInterpolants, 0 QuantifiedInterpolants, 478488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 376 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 611/614 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...