./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/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 fbfe8dec550fadf4da01fadd46005a09263b3b04 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:27:54,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:27:54,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:27:54,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:27:54,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:27:54,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:27:54,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:27:54,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:27:54,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:27:54,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:27:54,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:27:54,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:27:54,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:27:54,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:27:54,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:27:54,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:27:54,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:27:54,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:27:54,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:27:54,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:27:54,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:27:54,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:27:54,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:27:54,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:27:54,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:27:54,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:27:54,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:27:54,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:27:54,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:27:54,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:27:54,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:27:54,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:27:54,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:27:54,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:27:54,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:27:54,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:27:54,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:27:54,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:27:54,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:27:54,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:27:54,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:27:54,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 14:27:54,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:27:54,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:27:54,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:27:54,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:27:54,331 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:27:54,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:27:54,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:27:54,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:27:54,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:27:54,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:27:54,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:27:54,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:27:54,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:27:54,332 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:27:54,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:27:54,333 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:27:54,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:27:54,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:27:54,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:27:54,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:27:54,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:27:54,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:27:54,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:27:54,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:27:54,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:27:54,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:27:54,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:27:54,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:27:54,334 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:27:54,334 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_c5343694-2906-4520-9dab-25e111e3ef38/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 -> fbfe8dec550fadf4da01fadd46005a09263b3b04 [2019-12-07 14:27:54,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:27:54,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:27:54,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:27:54,448 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:27:54,448 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:27:54,449 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-12-07 14:27:54,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/bin/uautomizer/data/a4115ba07/f35c29557a0e4ba0aed5e7e914e0c8ce/FLAGdf2d18471 [2019-12-07 14:27:54,943 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:27:54,943 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-12-07 14:27:54,952 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/bin/uautomizer/data/a4115ba07/f35c29557a0e4ba0aed5e7e914e0c8ce/FLAGdf2d18471 [2019-12-07 14:27:54,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/bin/uautomizer/data/a4115ba07/f35c29557a0e4ba0aed5e7e914e0c8ce [2019-12-07 14:27:54,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:27:54,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:27:54,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:27:54,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:27:54,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:27:54,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:27:54" (1/1) ... [2019-12-07 14:27:54,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cc73ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:27:54, skipping insertion in model container [2019-12-07 14:27:54,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:27:54" (1/1) ... [2019-12-07 14:27:54,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:27:55,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:27:55,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:27:55,239 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:27:55,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:27:55,305 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:27:55,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:27:55 WrapperNode [2019-12-07 14:27:55,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:27:55,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:27:55,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:27:55,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:27:55,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:27:55" (1/1) ... [2019-12-07 14:27:55,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:27:55" (1/1) ... [2019-12-07 14:27:55,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:27:55,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:27:55,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:27:55,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:27:55,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:27:55" (1/1) ... [2019-12-07 14:27:55,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:27:55" (1/1) ... [2019-12-07 14:27:55,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:27:55" (1/1) ... [2019-12-07 14:27:55,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:27:55" (1/1) ... [2019-12-07 14:27:55,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:27:55" (1/1) ... [2019-12-07 14:27:55,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:27:55" (1/1) ... [2019-12-07 14:27:55,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:27:55" (1/1) ... [2019-12-07 14:27:55,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:27:55,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:27:55,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:27:55,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:27:55,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:27:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/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 [2019-12-07 14:27:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:27:55,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:27:56,060 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:27:56,061 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 14:27:56,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:27:56 BoogieIcfgContainer [2019-12-07 14:27:56,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:27:56,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:27:56,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:27:56,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:27:56,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:27:54" (1/3) ... [2019-12-07 14:27:56,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516ba7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:27:56, skipping insertion in model container [2019-12-07 14:27:56,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:27:55" (2/3) ... [2019-12-07 14:27:56,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516ba7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:27:56, skipping insertion in model container [2019-12-07 14:27:56,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:27:56" (3/3) ... [2019-12-07 14:27:56,067 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label04.c [2019-12-07 14:27:56,073 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:27:56,078 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:27:56,086 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:27:56,103 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:27:56,103 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:27:56,103 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:27:56,103 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:27:56,103 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:27:56,103 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:27:56,103 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:27:56,104 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:27:56,119 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 14:27:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-07 14:27:56,127 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:27:56,127 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:27:56,128 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:27:56,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:27:56,132 INFO L82 PathProgramCache]: Analyzing trace with hash 585738029, now seen corresponding path program 1 times [2019-12-07 14:27:56,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:27:56,138 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418790896] [2019-12-07 14:27:56,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:27:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:27:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:27:56,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418790896] [2019-12-07 14:27:56,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:27:56,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:27:56,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429600503] [2019-12-07 14:27:56,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:27:56,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:27:56,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:27:56,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:27:56,421 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-12-07 14:27:57,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:27:57,173 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-12-07 14:27:57,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:27:57,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2019-12-07 14:27:57,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:27:57,186 INFO L225 Difference]: With dead ends: 739 [2019-12-07 14:27:57,186 INFO L226 Difference]: Without dead ends: 445 [2019-12-07 14:27:57,189 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 [2019-12-07 14:27:57,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-12-07 14:27:57,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-12-07 14:27:57,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-12-07 14:27:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-12-07 14:27:57,232 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 106 [2019-12-07 14:27:57,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:27:57,233 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-12-07 14:27:57,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:27:57,233 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-12-07 14:27:57,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-07 14:27:57,237 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:27:57,237 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:27:57,238 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:27:57,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:27:57,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1744926738, now seen corresponding path program 1 times [2019-12-07 14:27:57,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:27:57,238 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206120712] [2019-12-07 14:27:57,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:27:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:27:57,294 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:27:57,294 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206120712] [2019-12-07 14:27:57,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:27:57,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:27:57,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837309506] [2019-12-07 14:27:57,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:27:57,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:27:57,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:27:57,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:27:57,296 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-12-07 14:27:57,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:27:57,766 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-12-07 14:27:57,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:27:57,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2019-12-07 14:27:57,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:27:57,770 INFO L225 Difference]: With dead ends: 1470 [2019-12-07 14:27:57,770 INFO L226 Difference]: Without dead ends: 1027 [2019-12-07 14:27:57,772 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 [2019-12-07 14:27:57,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-12-07 14:27:57,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-12-07 14:27:57,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-12-07 14:27:57,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-12-07 14:27:57,806 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 124 [2019-12-07 14:27:57,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:27:57,806 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-12-07 14:27:57,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:27:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-12-07 14:27:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-07 14:27:57,810 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:27:57,810 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:27:57,810 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:27:57,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:27:57,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1686692647, now seen corresponding path program 1 times [2019-12-07 14:27:57,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:27:57,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383702418] [2019-12-07 14:27:57,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:27:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:27:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:27:57,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383702418] [2019-12-07 14:27:57,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:27:57,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:27:57,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249742485] [2019-12-07 14:27:57,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:27:57,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:27:57,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:27:57,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:27:57,875 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-12-07 14:27:58,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:27:58,450 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-12-07 14:27:58,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:27:58,451 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2019-12-07 14:27:58,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:27:58,458 INFO L225 Difference]: With dead ends: 2582 [2019-12-07 14:27:58,458 INFO L226 Difference]: Without dead ends: 1855 [2019-12-07 14:27:58,459 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 [2019-12-07 14:27:58,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-12-07 14:27:58,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-12-07 14:27:58,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-12-07 14:27:58,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2142 transitions. [2019-12-07 14:27:58,488 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2142 transitions. Word has length 128 [2019-12-07 14:27:58,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:27:58,488 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2142 transitions. [2019-12-07 14:27:58,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:27:58,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2142 transitions. [2019-12-07 14:27:58,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-07 14:27:58,491 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:27:58,491 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:27:58,491 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:27:58,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:27:58,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1700654884, now seen corresponding path program 1 times [2019-12-07 14:27:58,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:27:58,492 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949391727] [2019-12-07 14:27:58,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:27:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:27:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:27:58,531 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949391727] [2019-12-07 14:27:58,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:27:58,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:27:58,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112685693] [2019-12-07 14:27:58,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:27:58,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:27:58,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:27:58,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:27:58,533 INFO L87 Difference]: Start difference. First operand 1570 states and 2142 transitions. Second operand 3 states. [2019-12-07 14:27:58,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:27:58,912 INFO L93 Difference]: Finished difference Result 3840 states and 5195 transitions. [2019-12-07 14:27:58,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:27:58,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-12-07 14:27:58,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:27:58,920 INFO L225 Difference]: With dead ends: 3840 [2019-12-07 14:27:58,921 INFO L226 Difference]: Without dead ends: 2272 [2019-12-07 14:27:58,922 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 [2019-12-07 14:27:58,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-12-07 14:27:58,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-12-07 14:27:58,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-12-07 14:27:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2839 transitions. [2019-12-07 14:27:58,975 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2839 transitions. Word has length 128 [2019-12-07 14:27:58,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:27:58,975 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2839 transitions. [2019-12-07 14:27:58,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:27:58,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2839 transitions. [2019-12-07 14:27:58,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-12-07 14:27:58,979 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:27:58,979 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:27:58,979 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:27:58,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:27:58,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1927886609, now seen corresponding path program 1 times [2019-12-07 14:27:58,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:27:58,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936129952] [2019-12-07 14:27:58,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:27:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:27:59,083 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 14:27:59,083 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936129952] [2019-12-07 14:27:59,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:27:59,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:27:59,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419935825] [2019-12-07 14:27:59,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:27:59,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:27:59,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:27:59,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:27:59,085 INFO L87 Difference]: Start difference. First operand 2272 states and 2839 transitions. Second operand 4 states. [2019-12-07 14:27:59,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:27:59,503 INFO L93 Difference]: Finished difference Result 4542 states and 5676 transitions. [2019-12-07 14:27:59,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:27:59,503 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2019-12-07 14:27:59,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:27:59,512 INFO L225 Difference]: With dead ends: 4542 [2019-12-07 14:27:59,512 INFO L226 Difference]: Without dead ends: 2272 [2019-12-07 14:27:59,514 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:27:59,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-12-07 14:27:59,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 1852. [2019-12-07 14:27:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1852 states. [2019-12-07 14:27:59,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1852 states and 2236 transitions. [2019-12-07 14:27:59,541 INFO L78 Accepts]: Start accepts. Automaton has 1852 states and 2236 transitions. Word has length 133 [2019-12-07 14:27:59,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:27:59,542 INFO L462 AbstractCegarLoop]: Abstraction has 1852 states and 2236 transitions. [2019-12-07 14:27:59,542 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:27:59,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2236 transitions. [2019-12-07 14:27:59,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-07 14:27:59,544 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:27:59,544 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:27:59,545 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:27:59,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:27:59,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1580571441, now seen corresponding path program 1 times [2019-12-07 14:27:59,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:27:59,545 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339662333] [2019-12-07 14:27:59,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:27:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:27:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:27:59,581 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339662333] [2019-12-07 14:27:59,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:27:59,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:27:59,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278542653] [2019-12-07 14:27:59,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:27:59,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:27:59,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:27:59,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:27:59,582 INFO L87 Difference]: Start difference. First operand 1852 states and 2236 transitions. Second operand 3 states. [2019-12-07 14:27:59,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:27:59,912 INFO L93 Difference]: Finished difference Result 3987 states and 4778 transitions. [2019-12-07 14:27:59,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:27:59,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-12-07 14:27:59,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:27:59,919 INFO L225 Difference]: With dead ends: 3987 [2019-12-07 14:27:59,919 INFO L226 Difference]: Without dead ends: 2137 [2019-12-07 14:27:59,921 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 [2019-12-07 14:27:59,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2019-12-07 14:27:59,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 1992. [2019-12-07 14:27:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1992 states. [2019-12-07 14:27:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2277 transitions. [2019-12-07 14:27:59,947 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2277 transitions. Word has length 146 [2019-12-07 14:27:59,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:27:59,947 INFO L462 AbstractCegarLoop]: Abstraction has 1992 states and 2277 transitions. [2019-12-07 14:27:59,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:27:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2277 transitions. [2019-12-07 14:27:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-07 14:27:59,951 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:27:59,951 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:27:59,951 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:27:59,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:27:59,951 INFO L82 PathProgramCache]: Analyzing trace with hash 97640742, now seen corresponding path program 1 times [2019-12-07 14:27:59,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:27:59,952 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340496625] [2019-12-07 14:27:59,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:27:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:28:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 14:28:00,032 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340496625] [2019-12-07 14:28:00,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:28:00,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:28:00,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172313720] [2019-12-07 14:28:00,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:28:00,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:28:00,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:28:00,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:28:00,034 INFO L87 Difference]: Start difference. First operand 1992 states and 2277 transitions. Second operand 3 states. [2019-12-07 14:28:00,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:28:00,330 INFO L93 Difference]: Finished difference Result 4678 states and 5318 transitions. [2019-12-07 14:28:00,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:28:00,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-12-07 14:28:00,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:28:00,337 INFO L225 Difference]: With dead ends: 4678 [2019-12-07 14:28:00,337 INFO L226 Difference]: Without dead ends: 1843 [2019-12-07 14:28:00,339 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 [2019-12-07 14:28:00,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2019-12-07 14:28:00,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1703. [2019-12-07 14:28:00,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-12-07 14:28:00,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1868 transitions. [2019-12-07 14:28:00,358 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1868 transitions. Word has length 199 [2019-12-07 14:28:00,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:28:00,358 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1868 transitions. [2019-12-07 14:28:00,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:28:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1868 transitions. [2019-12-07 14:28:00,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-12-07 14:28:00,362 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:28:00,362 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:28:00,362 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:28:00,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:28:00,362 INFO L82 PathProgramCache]: Analyzing trace with hash -567770269, now seen corresponding path program 1 times [2019-12-07 14:28:00,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:28:00,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220919830] [2019-12-07 14:28:00,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:28:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:28:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-07 14:28:00,479 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220919830] [2019-12-07 14:28:00,480 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200638501] [2019-12-07 14:28:00,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/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 [2019-12-07 14:28:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:28:00,548 INFO L264 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:28:00,556 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:28:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-07 14:28:00,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 14:28:00,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-12-07 14:28:00,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332234673] [2019-12-07 14:28:00,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:28:00,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:28:00,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:28:00,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:28:00,609 INFO L87 Difference]: Start difference. First operand 1703 states and 1868 transitions. Second operand 3 states. [2019-12-07 14:28:00,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:28:00,955 INFO L93 Difference]: Finished difference Result 3818 states and 4179 transitions. [2019-12-07 14:28:00,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:28:00,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-12-07 14:28:00,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:28:00,956 INFO L225 Difference]: With dead ends: 3818 [2019-12-07 14:28:00,956 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:28:00,958 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:28:00,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:28:00,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:28:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:28:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:28:00,959 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2019-12-07 14:28:00,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:28:00,959 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:28:00,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:28:00,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:28:00,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:28:01,160 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:28:01,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:28:01,348 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-12-07 14:28:01,485 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-12-07 14:28:01,487 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,487 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 14:28:01,488 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 14:28:01,489 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,490 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 14:28:01,491 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 14:28:01,492 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 490) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,493 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,494 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 14:28:01,494 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 14:28:01,494 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 14:28:01,494 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 14:28:01,494 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 14:28:01,494 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 14:28:01,494 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 14:28:01,494 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 14:28:01,494 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 14:28:01,494 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse4 (= ~a25~0 1))) (let ((.cse0 (= ~a17~0 8)) (.cse3 (<= 10 ~a28~0)) (.cse1 (= ~a19~0 1)) (.cse7 (= ~a11~0 1)) (.cse5 (<= ~a19~0 0)) (.cse6 (not .cse4)) (.cse2 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (and .cse5 .cse6 .cse0) (and .cse5 .cse0 .cse2) (and .cse1 .cse4 .cse7) (and .cse3 .cse1 .cse7) (and (= ~a28~0 9) .cse5) (and .cse5 .cse6 .cse2)))) [2019-12-07 14:28:01,494 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,494 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,494 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 14:28:01,494 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 14:28:01,495 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (= ~a25~0 1))) (let ((.cse0 (= ~a17~0 8)) (.cse3 (<= 10 ~a28~0)) (.cse1 (= ~a19~0 1)) (.cse7 (= ~a11~0 1)) (.cse5 (<= ~a19~0 0)) (.cse6 (not .cse4)) (.cse2 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (and .cse5 .cse6 .cse0) (and .cse5 .cse0 .cse2) (and .cse1 .cse4 .cse7) (and .cse3 .cse1 .cse7) (and (= ~a28~0 9) .cse5) (and .cse5 .cse6 .cse2)))) [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 14:28:01,496 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 14:28:01,497 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 14:28:01,498 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 14:28:01,499 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 14:28:01,500 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 14:28:01,500 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 14:28:01,500 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 14:28:01,500 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 14:28:01,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:28:01 BoogieIcfgContainer [2019-12-07 14:28:01,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:28:01,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:28:01,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:28:01,515 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:28:01,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:27:56" (3/4) ... [2019-12-07 14:28:01,518 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:28:01,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 14:28:01,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:28:01,636 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c5343694-2906-4520-9dab-25e111e3ef38/bin/uautomizer/witness.graphml [2019-12-07 14:28:01,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:28:01,637 INFO L168 Benchmark]: Toolchain (without parser) took 6674.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -124.4 MB). Peak memory consumption was 90.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:28:01,637 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:28:01,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -134.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:28:01,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:28:01,638 INFO L168 Benchmark]: Boogie Preprocessor took 42.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:28:01,639 INFO L168 Benchmark]: RCFGBuilder took 660.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 959.5 MB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:28:01,639 INFO L168 Benchmark]: TraceAbstraction took 5452.50 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 112.2 MB). Free memory was 954.2 MB in the beginning and 1.1 GB in the end (delta: -129.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:28:01,639 INFO L168 Benchmark]: Witness Printer took 121.22 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:28:01,641 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -134.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 660.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 959.5 MB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5452.50 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 112.2 MB). Free memory was 954.2 MB in the beginning and 1.1 GB in the end (delta: -129.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 121.22 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 490]: 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)) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((a19 == 1 && a25 == 1) && a11 == 1)) || ((10 <= a28 && a19 == 1) && a11 == 1)) || (a28 == 9 && a19 <= 0)) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((a17 == 8 && a19 == 1) && !(a28 == 11)) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((a19 == 1 && a25 == 1) && a11 == 1)) || ((10 <= a28 && a19 == 1) && a11 == 1)) || (a28 == 9 && a19 <= 0)) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 5.0s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1196 SDtfs, 1565 SDslu, 222 SDs, 0 SdLazy, 4134 SolverSat, 795 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 223 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 167 HoareAnnotationTreeSize, 3 FomulaSimplifications, 988 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 292 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 1390 NumberOfCodeBlocks, 1390 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1381 ConstructedInterpolants, 0 QuantifiedInterpolants, 493873 SizeOfPredicates, 1 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 568/571 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...