./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label27.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/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 571733b9b2b4edd3beb90cbc1a974d2015477291 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:46:28,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:46:28,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:46:28,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:46:28,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:46:28,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:46:28,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:46:28,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:46:28,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:46:28,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:46:28,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:46:28,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:46:28,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:46:28,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:46:28,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:46:28,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:46:28,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:46:28,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:46:28,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:46:28,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:46:28,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:46:29,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:46:29,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:46:29,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:46:29,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:46:29,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:46:29,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:46:29,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:46:29,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:46:29,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:46:29,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:46:29,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:46:29,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:46:29,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:46:29,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:46:29,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:46:29,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:46:29,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:46:29,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:46:29,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:46:29,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:46:29,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:46:29,040 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:46:29,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:46:29,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:46:29,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:46:29,051 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:46:29,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:46:29,052 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:46:29,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:46:29,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:46:29,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:46:29,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:46:29,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:46:29,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:46:29,054 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:46:29,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:46:29,055 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:46:29,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:46:29,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:46:29,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:46:29,056 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:46:29,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:46:29,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:46:29,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:46:29,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:46:29,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:46:29,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:46:29,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:46:29,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:46:29,058 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_a22b6631-60e1-405a-9a11-7579e86f24bb/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 -> 571733b9b2b4edd3beb90cbc1a974d2015477291 [2019-11-25 08:46:29,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:46:29,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:46:29,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:46:29,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:46:29,213 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:46:29,214 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label27.c [2019-11-25 08:46:29,265 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/bin/uautomizer/data/aab98788d/2735510ff1f04a01ba0f1029746f291c/FLAG221912460 [2019-11-25 08:46:29,756 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:46:29,757 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/sv-benchmarks/c/eca-rers2012/Problem02_label27.c [2019-11-25 08:46:29,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/bin/uautomizer/data/aab98788d/2735510ff1f04a01ba0f1029746f291c/FLAG221912460 [2019-11-25 08:46:29,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/bin/uautomizer/data/aab98788d/2735510ff1f04a01ba0f1029746f291c [2019-11-25 08:46:29,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:46:29,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:46:29,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:46:29,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:46:29,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:46:29,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:46:29" (1/1) ... [2019-11-25 08:46:29,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133f4d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:29, skipping insertion in model container [2019-11-25 08:46:29,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:46:29" (1/1) ... [2019-11-25 08:46:29,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:46:29,845 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:46:30,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:46:30,273 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:46:30,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:46:30,440 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:46:30,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:30 WrapperNode [2019-11-25 08:46:30,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:46:30,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:46:30,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:46:30,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:46:30,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:30" (1/1) ... [2019-11-25 08:46:30,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:30" (1/1) ... [2019-11-25 08:46:30,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:46:30,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:46:30,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:46:30,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:46:30,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:30" (1/1) ... [2019-11-25 08:46:30,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:30" (1/1) ... [2019-11-25 08:46:30,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:30" (1/1) ... [2019-11-25 08:46:30,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:30" (1/1) ... [2019-11-25 08:46:30,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:30" (1/1) ... [2019-11-25 08:46:30,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:30" (1/1) ... [2019-11-25 08:46:30,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:30" (1/1) ... [2019-11-25 08:46:30,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:46:30,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:46:30,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:46:30,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:46:30,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/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 [2019-11-25 08:46:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:46:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:46:31,877 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:46:31,877 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:46:31,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:31 BoogieIcfgContainer [2019-11-25 08:46:31,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:46:31,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:46:31,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:46:31,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:46:31,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:46:29" (1/3) ... [2019-11-25 08:46:31,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c03110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:46:31, skipping insertion in model container [2019-11-25 08:46:31,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:30" (2/3) ... [2019-11-25 08:46:31,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c03110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:46:31, skipping insertion in model container [2019-11-25 08:46:31,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:31" (3/3) ... [2019-11-25 08:46:31,892 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label27.c [2019-11-25 08:46:31,900 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:46:31,906 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:46:31,914 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:46:31,936 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:46:31,937 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:46:31,937 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:46:31,937 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:46:31,937 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:46:31,937 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:46:31,937 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:46:31,937 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:46:31,957 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-25 08:46:31,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-25 08:46:31,967 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:46:31,968 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] [2019-11-25 08:46:31,968 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:46:31,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:31,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1105443037, now seen corresponding path program 1 times [2019-11-25 08:46:31,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:31,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895452138] [2019-11-25 08:46:31,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:32,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:46:32,363 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895452138] [2019-11-25 08:46:32,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:32,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:46:32,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226353446] [2019-11-25 08:46:32,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:46:32,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:32,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:46:32,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:46:32,391 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-25 08:46:34,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:34,026 INFO L93 Difference]: Finished difference Result 747 states and 1324 transitions. [2019-11-25 08:46:34,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:46:34,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2019-11-25 08:46:34,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:46:34,048 INFO L225 Difference]: With dead ends: 747 [2019-11-25 08:46:34,048 INFO L226 Difference]: Without dead ends: 453 [2019-11-25 08:46:34,052 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 [2019-11-25 08:46:34,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2019-11-25 08:46:34,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 449. [2019-11-25 08:46:34,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-11-25 08:46:34,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 614 transitions. [2019-11-25 08:46:34,113 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 614 transitions. Word has length 95 [2019-11-25 08:46:34,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:46:34,114 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 614 transitions. [2019-11-25 08:46:34,114 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:46:34,114 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 614 transitions. [2019-11-25 08:46:34,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-25 08:46:34,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:46:34,120 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-25 08:46:34,120 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:46:34,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:34,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1333663362, now seen corresponding path program 1 times [2019-11-25 08:46:34,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:34,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505879059] [2019-11-25 08:46:34,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-25 08:46:34,259 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505879059] [2019-11-25 08:46:34,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:34,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:46:34,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522979848] [2019-11-25 08:46:34,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:46:34,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:34,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:46:34,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:46:34,263 INFO L87 Difference]: Start difference. First operand 449 states and 614 transitions. Second operand 4 states. [2019-11-25 08:46:35,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:35,079 INFO L93 Difference]: Finished difference Result 1456 states and 1957 transitions. [2019-11-25 08:46:35,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:46:35,080 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-11-25 08:46:35,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:46:35,087 INFO L225 Difference]: With dead ends: 1456 [2019-11-25 08:46:35,087 INFO L226 Difference]: Without dead ends: 1009 [2019-11-25 08:46:35,090 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 [2019-11-25 08:46:35,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2019-11-25 08:46:35,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 869. [2019-11-25 08:46:35,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2019-11-25 08:46:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1153 transitions. [2019-11-25 08:46:35,144 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1153 transitions. Word has length 104 [2019-11-25 08:46:35,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:46:35,145 INFO L462 AbstractCegarLoop]: Abstraction has 869 states and 1153 transitions. [2019-11-25 08:46:35,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:46:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1153 transitions. [2019-11-25 08:46:35,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-25 08:46:35,152 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:46:35,153 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-25 08:46:35,153 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:46:35,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:35,153 INFO L82 PathProgramCache]: Analyzing trace with hash 6722654, now seen corresponding path program 1 times [2019-11-25 08:46:35,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:35,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933217044] [2019-11-25 08:46:35,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-25 08:46:35,237 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933217044] [2019-11-25 08:46:35,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:35,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:46:35,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853426227] [2019-11-25 08:46:35,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:46:35,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:35,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:46:35,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:46:35,239 INFO L87 Difference]: Start difference. First operand 869 states and 1153 transitions. Second operand 3 states. [2019-11-25 08:46:35,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:35,776 INFO L93 Difference]: Finished difference Result 2299 states and 3052 transitions. [2019-11-25 08:46:35,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:46:35,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-11-25 08:46:35,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:46:35,787 INFO L225 Difference]: With dead ends: 2299 [2019-11-25 08:46:35,788 INFO L226 Difference]: Without dead ends: 1432 [2019-11-25 08:46:35,789 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 [2019-11-25 08:46:35,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2019-11-25 08:46:35,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2019-11-25 08:46:35,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1432 states. [2019-11-25 08:46:35,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 1790 transitions. [2019-11-25 08:46:35,830 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 1790 transitions. Word has length 128 [2019-11-25 08:46:35,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:46:35,830 INFO L462 AbstractCegarLoop]: Abstraction has 1432 states and 1790 transitions. [2019-11-25 08:46:35,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:46:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1790 transitions. [2019-11-25 08:46:35,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-25 08:46:35,847 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:46:35,848 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] [2019-11-25 08:46:35,848 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:46:35,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:35,849 INFO L82 PathProgramCache]: Analyzing trace with hash 673148457, now seen corresponding path program 1 times [2019-11-25 08:46:35,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:35,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652881692] [2019-11-25 08:46:35,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-25 08:46:35,993 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652881692] [2019-11-25 08:46:35,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:35,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:46:35,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282312816] [2019-11-25 08:46:35,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:46:35,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:35,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:46:35,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:46:35,997 INFO L87 Difference]: Start difference. First operand 1432 states and 1790 transitions. Second operand 4 states. [2019-11-25 08:46:36,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:36,706 INFO L93 Difference]: Finished difference Result 2862 states and 3578 transitions. [2019-11-25 08:46:36,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:46:36,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2019-11-25 08:46:36,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:46:36,713 INFO L225 Difference]: With dead ends: 2862 [2019-11-25 08:46:36,714 INFO L226 Difference]: Without dead ends: 1432 [2019-11-25 08:46:36,715 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 [2019-11-25 08:46:36,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2019-11-25 08:46:36,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1152. [2019-11-25 08:46:36,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1152 states. [2019-11-25 08:46:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1354 transitions. [2019-11-25 08:46:36,742 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1354 transitions. Word has length 133 [2019-11-25 08:46:36,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:46:36,743 INFO L462 AbstractCegarLoop]: Abstraction has 1152 states and 1354 transitions. [2019-11-25 08:46:36,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:46:36,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1354 transitions. [2019-11-25 08:46:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-25 08:46:36,746 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:46:36,746 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] [2019-11-25 08:46:36,746 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:46:36,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:36,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1020463625, now seen corresponding path program 1 times [2019-11-25 08:46:36,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:36,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071785508] [2019-11-25 08:46:36,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:36,808 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-25 08:46:36,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071785508] [2019-11-25 08:46:36,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:36,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:46:36,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96764906] [2019-11-25 08:46:36,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:46:36,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:36,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:46:36,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:46:36,810 INFO L87 Difference]: Start difference. First operand 1152 states and 1354 transitions. Second operand 3 states. [2019-11-25 08:46:37,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:37,367 INFO L93 Difference]: Finished difference Result 3150 states and 3705 transitions. [2019-11-25 08:46:37,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:46:37,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-11-25 08:46:37,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:46:37,377 INFO L225 Difference]: With dead ends: 3150 [2019-11-25 08:46:37,378 INFO L226 Difference]: Without dead ends: 1858 [2019-11-25 08:46:37,380 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 [2019-11-25 08:46:37,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2019-11-25 08:46:37,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1712. [2019-11-25 08:46:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1712 states. [2019-11-25 08:46:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 1986 transitions. [2019-11-25 08:46:37,423 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 1986 transitions. Word has length 146 [2019-11-25 08:46:37,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:46:37,423 INFO L462 AbstractCegarLoop]: Abstraction has 1712 states and 1986 transitions. [2019-11-25 08:46:37,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:46:37,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 1986 transitions. [2019-11-25 08:46:37,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-25 08:46:37,427 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:46:37,427 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] [2019-11-25 08:46:37,427 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:46:37,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:37,428 INFO L82 PathProgramCache]: Analyzing trace with hash 2032867488, now seen corresponding path program 1 times [2019-11-25 08:46:37,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:37,428 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166215915] [2019-11-25 08:46:37,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:37,522 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-25 08:46:37,522 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166215915] [2019-11-25 08:46:37,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:37,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:46:37,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773331657] [2019-11-25 08:46:37,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:46:37,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:37,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:46:37,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:46:37,525 INFO L87 Difference]: Start difference. First operand 1712 states and 1986 transitions. Second operand 3 states. [2019-11-25 08:46:38,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:38,043 INFO L93 Difference]: Finished difference Result 4118 states and 4755 transitions. [2019-11-25 08:46:38,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:46:38,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-11-25 08:46:38,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:46:38,053 INFO L225 Difference]: With dead ends: 4118 [2019-11-25 08:46:38,053 INFO L226 Difference]: Without dead ends: 1705 [2019-11-25 08:46:38,056 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 [2019-11-25 08:46:38,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2019-11-25 08:46:38,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1565. [2019-11-25 08:46:38,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1565 states. [2019-11-25 08:46:38,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 1730 transitions. [2019-11-25 08:46:38,088 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 1730 transitions. Word has length 155 [2019-11-25 08:46:38,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:46:38,089 INFO L462 AbstractCegarLoop]: Abstraction has 1565 states and 1730 transitions. [2019-11-25 08:46:38,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:46:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1730 transitions. [2019-11-25 08:46:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-25 08:46:38,093 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:46:38,093 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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] [2019-11-25 08:46:38,094 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:46:38,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:38,098 INFO L82 PathProgramCache]: Analyzing trace with hash 277512423, now seen corresponding path program 1 times [2019-11-25 08:46:38,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:38,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189673686] [2019-11-25 08:46:38,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-25 08:46:38,167 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189673686] [2019-11-25 08:46:38,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:38,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:46:38,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25754539] [2019-11-25 08:46:38,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:46:38,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:38,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:46:38,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:46:38,170 INFO L87 Difference]: Start difference. First operand 1565 states and 1730 transitions. Second operand 3 states. [2019-11-25 08:46:38,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:38,621 INFO L93 Difference]: Finished difference Result 3272 states and 3605 transitions. [2019-11-25 08:46:38,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:46:38,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-11-25 08:46:38,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:46:38,631 INFO L225 Difference]: With dead ends: 3272 [2019-11-25 08:46:38,631 INFO L226 Difference]: Without dead ends: 1709 [2019-11-25 08:46:38,633 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 [2019-11-25 08:46:38,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2019-11-25 08:46:38,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1564. [2019-11-25 08:46:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1564 states. [2019-11-25 08:46:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 1712 transitions. [2019-11-25 08:46:38,671 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 1712 transitions. Word has length 165 [2019-11-25 08:46:38,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:46:38,671 INFO L462 AbstractCegarLoop]: Abstraction has 1564 states and 1712 transitions. [2019-11-25 08:46:38,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:46:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1712 transitions. [2019-11-25 08:46:38,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-25 08:46:38,675 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:46:38,676 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] [2019-11-25 08:46:38,676 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:46:38,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:38,676 INFO L82 PathProgramCache]: Analyzing trace with hash 951820893, now seen corresponding path program 1 times [2019-11-25 08:46:38,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:38,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247754172] [2019-11-25 08:46:38,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:38,885 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-25 08:46:38,885 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247754172] [2019-11-25 08:46:38,886 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761763579] [2019-11-25 08:46:38,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/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 [2019-11-25 08:46:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:38,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:46:39,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:46:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-25 08:46:39,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 08:46:39,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-25 08:46:39,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81438983] [2019-11-25 08:46:39,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:46:39,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:39,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:46:39,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:46:39,066 INFO L87 Difference]: Start difference. First operand 1564 states and 1712 transitions. Second operand 3 states. [2019-11-25 08:46:39,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:39,520 INFO L93 Difference]: Finished difference Result 2836 states and 3080 transitions. [2019-11-25 08:46:39,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:46:39,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-11-25 08:46:39,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:46:39,521 INFO L225 Difference]: With dead ends: 2836 [2019-11-25 08:46:39,521 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:46:39,524 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:46:39,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:46:39,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:46:39,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:46:39,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:46:39,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2019-11-25 08:46:39,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:46:39,525 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:46:39,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:46:39,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:46:39,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:46:39,730 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:46:39,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:46:39,907 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2019-11-25 08:46:40,024 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2019-11-25 08:46:40,027 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,028 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,028 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,028 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-25 08:46:40,028 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-25 08:46:40,028 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-25 08:46:40,028 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-25 08:46:40,028 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-25 08:46:40,028 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-25 08:46:40,028 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-25 08:46:40,029 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,029 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,029 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,029 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-25 08:46:40,029 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-25 08:46:40,029 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-25 08:46:40,029 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-25 08:46:40,029 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-25 08:46:40,029 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-25 08:46:40,030 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-25 08:46:40,030 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,030 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,030 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,030 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-25 08:46:40,030 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-25 08:46:40,030 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-25 08:46:40,030 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-25 08:46:40,030 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-25 08:46:40,030 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,031 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,031 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,031 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-25 08:46:40,031 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-25 08:46:40,031 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-25 08:46:40,031 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-25 08:46:40,031 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-25 08:46:40,031 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-25 08:46:40,031 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-25 08:46:40,032 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-25 08:46:40,032 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,032 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,032 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,032 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-25 08:46:40,032 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-25 08:46:40,032 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-25 08:46:40,032 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-25 08:46:40,032 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-25 08:46:40,033 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-25 08:46:40,033 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-25 08:46:40,033 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-25 08:46:40,033 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,033 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,033 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,033 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-25 08:46:40,033 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-25 08:46:40,033 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-25 08:46:40,033 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-25 08:46:40,034 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-25 08:46:40,034 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-25 08:46:40,034 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-25 08:46:40,034 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-25 08:46:40,034 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-25 08:46:40,034 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,034 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,034 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,034 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-25 08:46:40,035 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-25 08:46:40,035 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-25 08:46:40,035 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-25 08:46:40,035 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-25 08:46:40,035 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-25 08:46:40,035 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,035 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,035 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,035 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-25 08:46:40,036 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-25 08:46:40,036 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-25 08:46:40,036 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-25 08:46:40,036 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-25 08:46:40,042 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:46:40,042 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-25 08:46:40,043 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-25 08:46:40,043 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-25 08:46:40,043 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,043 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,043 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,043 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-25 08:46:40,043 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-25 08:46:40,043 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-25 08:46:40,043 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-25 08:46:40,044 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-25 08:46:40,044 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,044 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,044 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,044 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-25 08:46:40,044 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-25 08:46:40,044 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-25 08:46:40,044 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-25 08:46:40,044 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-25 08:46:40,044 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-25 08:46:40,045 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-25 08:46:40,045 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-25 08:46:40,045 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-25 08:46:40,045 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-25 08:46:40,045 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:46:40,045 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 457) no Hoare annotation was computed. [2019-11-25 08:46:40,045 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-25 08:46:40,045 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,045 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,046 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-25 08:46:40,046 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-25 08:46:40,046 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-25 08:46:40,046 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-25 08:46:40,046 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-25 08:46:40,046 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-25 08:46:40,046 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-25 08:46:40,046 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-25 08:46:40,047 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-25 08:46:40,048 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (not (= ~a28~0 11))) (.cse3 (<= ~a17~0 7)) (.cse4 (= ~a11~0 1)) (.cse1 (= ~a19~0 1)) (.cse6 (= ~a25~0 1)) (.cse5 (<= ~a19~0 0)) (.cse0 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 (= ~a28~0 7) .cse4) (and .cse5 .cse2) (and .cse3 (not .cse6) .cse1 .cse4) (and .cse0 .cse1 .cse6) (and .cse5 .cse0))) [2019-11-25 08:46:40,048 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,048 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,048 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-25 08:46:40,048 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-25 08:46:40,048 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-25 08:46:40,048 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-25 08:46:40,048 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-25 08:46:40,048 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-25 08:46:40,049 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-25 08:46:40,049 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,049 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,049 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-25 08:46:40,049 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-25 08:46:40,049 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-25 08:46:40,049 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-25 08:46:40,049 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-25 08:46:40,049 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-25 08:46:40,050 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-25 08:46:40,050 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-25 08:46:40,050 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-25 08:46:40,050 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,050 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,050 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-25 08:46:40,050 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-25 08:46:40,050 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-25 08:46:40,050 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-25 08:46:40,050 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-25 08:46:40,051 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-25 08:46:40,053 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (not (= ~a28~0 11))) (.cse3 (<= ~a17~0 7)) (.cse4 (= ~a11~0 1)) (.cse1 (= ~a19~0 1)) (.cse6 (= ~a25~0 1)) (.cse5 (<= ~a19~0 0)) (.cse0 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 (= ~a28~0 7) .cse4) (and .cse5 .cse2) (and .cse3 (not .cse6) .cse1 .cse4) (and .cse0 .cse1 .cse6) (and .cse5 .cse0))) [2019-11-25 08:46:40,053 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,053 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,053 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-25 08:46:40,053 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-25 08:46:40,053 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-25 08:46:40,053 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-25 08:46:40,053 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-25 08:46:40,054 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,054 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,054 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-25 08:46:40,054 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-25 08:46:40,054 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-25 08:46:40,054 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-25 08:46:40,054 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-25 08:46:40,054 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-25 08:46:40,054 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-25 08:46:40,055 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-25 08:46:40,055 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-25 08:46:40,055 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,055 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,055 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-25 08:46:40,055 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,055 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-25 08:46:40,055 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-25 08:46:40,055 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-25 08:46:40,055 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-25 08:46:40,056 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-25 08:46:40,056 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:46:40,056 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-25 08:46:40,056 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,056 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,056 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,056 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-25 08:46:40,056 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-25 08:46:40,056 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-25 08:46:40,057 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-25 08:46:40,057 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-25 08:46:40,057 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,057 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,057 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,057 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-25 08:46:40,057 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-25 08:46:40,057 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-25 08:46:40,057 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-25 08:46:40,058 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-25 08:46:40,058 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-25 08:46:40,058 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,058 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,058 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,058 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-25 08:46:40,058 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-25 08:46:40,058 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-25 08:46:40,058 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-25 08:46:40,058 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-25 08:46:40,059 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-25 08:46:40,059 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:46:40,059 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-25 08:46:40,059 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-25 08:46:40,059 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,059 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,059 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,059 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-25 08:46:40,059 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-25 08:46:40,059 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-25 08:46:40,060 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-25 08:46:40,060 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-25 08:46:40,060 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,060 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,060 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:46:40,060 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-25 08:46:40,060 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-25 08:46:40,060 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-25 08:46:40,060 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-25 08:46:40,061 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-25 08:46:40,061 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-25 08:46:40,061 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-25 08:46:40,061 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-25 08:46:40,061 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-25 08:46:40,061 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-25 08:46:40,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:46:40 BoogieIcfgContainer [2019-11-25 08:46:40,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:46:40,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:46:40,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:46:40,099 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:46:40,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:31" (3/4) ... [2019-11-25 08:46:40,103 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:46:40,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-25 08:46:40,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:46:40,311 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a22b6631-60e1-405a-9a11-7579e86f24bb/bin/uautomizer/witness.graphml [2019-11-25 08:46:40,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:46:40,313 INFO L168 Benchmark]: Toolchain (without parser) took 10527.64 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 301.5 MB). Free memory was 940.7 MB in the beginning and 1.0 GB in the end (delta: -98.0 MB). Peak memory consumption was 203.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:40,313 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:46:40,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:40,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:40,314 INFO L168 Benchmark]: Boogie Preprocessor took 59.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:40,314 INFO L168 Benchmark]: RCFGBuilder took 1286.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.0 MB in the end (delta: 107.3 MB). Peak memory consumption was 107.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:40,315 INFO L168 Benchmark]: TraceAbstraction took 8219.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 171.4 MB). Free memory was 976.0 MB in the beginning and 1.1 GB in the end (delta: -85.1 MB). Peak memory consumption was 86.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:40,315 INFO L168 Benchmark]: Witness Printer took 212.97 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:40,317 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 654.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1286.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.0 MB in the end (delta: 107.3 MB). Peak memory consumption was 107.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8219.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 171.4 MB). Free memory was 976.0 MB in the beginning and 1.1 GB in the end (delta: -85.1 MB). Peak memory consumption was 86.4 MB. Max. memory is 11.5 GB. * Witness Printer took 212.97 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB 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: 457]: 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: ((((((a17 == 8 && a19 == 1) && !(a28 == 11)) || (((a17 <= 7 && a19 == 1) && a28 == 7) && a11 == 1)) || (a19 <= 0 && !(a28 == 11))) || (((a17 <= 7 && !(a25 == 1)) && a19 == 1) && a11 == 1)) || ((a17 == 8 && a19 == 1) && a25 == 1)) || (a19 <= 0 && a17 == 8) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((a17 == 8 && a19 == 1) && !(a28 == 11)) || (((a17 <= 7 && a19 == 1) && a28 == 7) && a11 == 1)) || (a19 <= 0 && !(a28 == 11))) || (((a17 <= 7 && !(a25 == 1)) && a19 == 1) && a11 == 1)) || ((a17 == 8 && a19 == 1) && a25 == 1)) || (a19 <= 0 && a17 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1178 SDtfs, 1572 SDslu, 184 SDs, 0 SdLazy, 3564 SolverSat, 755 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 179 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1712occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 855 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 36 NumberOfFragments, 129 HoareAnnotationTreeSize, 3 FomulaSimplifications, 430 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 158 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1264 NumberOfCodeBlocks, 1264 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1255 ConstructedInterpolants, 0 QuantifiedInterpolants, 350960 SizeOfPredicates, 0 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 718/721 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...