./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label07.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/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 6f9a2fcb1012f2ff72c6593976c4936a90359f50 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:27:33,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:27:33,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:27:33,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:27:33,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:27:33,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:27:33,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:27:33,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:27:33,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:27:33,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:27:33,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:27:33,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:27:33,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:27:33,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:27:33,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:27:33,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:27:33,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:27:33,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:27:33,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:27:33,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:27:33,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:27:33,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:27:33,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:27:33,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:27:33,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:27:33,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:27:33,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:27:33,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:27:33,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:27:33,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:27:33,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:27:33,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:27:33,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:27:33,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:27:33,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:27:33,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:27:33,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:27:33,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:27:33,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:27:33,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:27:33,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:27:33,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 09:27:33,300 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:27:33,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:27:33,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:27:33,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:27:33,302 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:27:33,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:27:33,302 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:27:33,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:27:33,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:27:33,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:27:33,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:27:33,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:27:33,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:27:33,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:27:33,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:27:33,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:27:33,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:27:33,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:27:33,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:27:33,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:27:33,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:27:33,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:27:33,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:27:33,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:27:33,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:27:33,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:27:33,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:27:33,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:27:33,308 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_d1e8e51c-11e8-4233-88b9-e3a17fb50050/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 -> 6f9a2fcb1012f2ff72c6593976c4936a90359f50 [2019-11-20 09:27:33,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:27:33,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:27:33,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:27:33,465 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:27:33,466 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:27:33,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label07.c [2019-11-20 09:27:33,514 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/data/2ba76df1b/87049e6e84a7419b83099e32e9678ff1/FLAG65a2869fb [2019-11-20 09:27:34,036 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:27:34,036 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/sv-benchmarks/c/eca-rers2012/Problem14_label07.c [2019-11-20 09:27:34,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/data/2ba76df1b/87049e6e84a7419b83099e32e9678ff1/FLAG65a2869fb [2019-11-20 09:27:34,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/data/2ba76df1b/87049e6e84a7419b83099e32e9678ff1 [2019-11-20 09:27:34,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:27:34,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:27:34,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:27:34,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:27:34,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:27:34,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:34" (1/1) ... [2019-11-20 09:27:34,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f9a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34, skipping insertion in model container [2019-11-20 09:27:34,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:34" (1/1) ... [2019-11-20 09:27:34,328 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:27:34,387 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:27:34,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:27:34,905 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:27:35,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:27:35,085 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:27:35,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35 WrapperNode [2019-11-20 09:27:35,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:27:35,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:27:35,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:27:35,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:27:35,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2019-11-20 09:27:35,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2019-11-20 09:27:35,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:27:35,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:27:35,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:27:35,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:27:35,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2019-11-20 09:27:35,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2019-11-20 09:27:35,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2019-11-20 09:27:35,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2019-11-20 09:27:35,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2019-11-20 09:27:35,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2019-11-20 09:27:35,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2019-11-20 09:27:35,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:27:35,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:27:35,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:27:35,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:27:35,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:27:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:27:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:27:36,565 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:27:36,565 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 09:27:36,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:36 BoogieIcfgContainer [2019-11-20 09:27:36,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:27:36,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:27:36,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:27:36,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:27:36,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:34" (1/3) ... [2019-11-20 09:27:36,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d885af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:36, skipping insertion in model container [2019-11-20 09:27:36,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (2/3) ... [2019-11-20 09:27:36,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d885af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:36, skipping insertion in model container [2019-11-20 09:27:36,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:36" (3/3) ... [2019-11-20 09:27:36,574 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label07.c [2019-11-20 09:27:36,584 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:27:36,591 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 09:27:36,601 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 09:27:36,638 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:27:36,639 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:27:36,639 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:27:36,639 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:27:36,639 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:27:36,640 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:27:36,640 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:27:36,641 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:27:36,667 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-20 09:27:36,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 09:27:36,677 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:36,678 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] [2019-11-20 09:27:36,678 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:36,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:36,684 INFO L82 PathProgramCache]: Analyzing trace with hash 433832817, now seen corresponding path program 1 times [2019-11-20 09:27:36,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:36,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551885345] [2019-11-20 09:27:36,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:37,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:37,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551885345] [2019-11-20 09:27:37,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:37,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:27:37,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196632374] [2019-11-20 09:27:37,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:27:37,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:37,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:27:37,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:27:37,029 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-20 09:27:38,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:38,851 INFO L93 Difference]: Finished difference Result 866 states and 1574 transitions. [2019-11-20 09:27:38,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:27:38,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-11-20 09:27:38,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:38,874 INFO L225 Difference]: With dead ends: 866 [2019-11-20 09:27:38,874 INFO L226 Difference]: Without dead ends: 538 [2019-11-20 09:27:38,878 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:27:38,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-20 09:27:38,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 360. [2019-11-20 09:27:38,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-11-20 09:27:38,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2019-11-20 09:27:38,955 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 47 [2019-11-20 09:27:38,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:38,955 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2019-11-20 09:27:38,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:27:38,955 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2019-11-20 09:27:38,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-20 09:27:38,960 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:38,960 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-20 09:27:38,960 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:38,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:38,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1697201153, now seen corresponding path program 1 times [2019-11-20 09:27:38,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:38,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22702148] [2019-11-20 09:27:38,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:39,100 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:39,101 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22702148] [2019-11-20 09:27:39,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:39,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:27:39,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045512064] [2019-11-20 09:27:39,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:27:39,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:39,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:27:39,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:27:39,104 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand 4 states. [2019-11-20 09:27:40,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:40,329 INFO L93 Difference]: Finished difference Result 1430 states and 2032 transitions. [2019-11-20 09:27:40,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:27:40,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2019-11-20 09:27:40,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:40,339 INFO L225 Difference]: With dead ends: 1430 [2019-11-20 09:27:40,339 INFO L226 Difference]: Without dead ends: 1072 [2019-11-20 09:27:40,341 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:27:40,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2019-11-20 09:27:40,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 894. [2019-11-20 09:27:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2019-11-20 09:27:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1212 transitions. [2019-11-20 09:27:40,382 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1212 transitions. Word has length 126 [2019-11-20 09:27:40,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:40,383 INFO L462 AbstractCegarLoop]: Abstraction has 894 states and 1212 transitions. [2019-11-20 09:27:40,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:27:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1212 transitions. [2019-11-20 09:27:40,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 09:27:40,388 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:40,388 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:40,388 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:40,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:40,389 INFO L82 PathProgramCache]: Analyzing trace with hash 704948234, now seen corresponding path program 1 times [2019-11-20 09:27:40,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:40,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672330413] [2019-11-20 09:27:40,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:40,801 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672330413] [2019-11-20 09:27:40,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:40,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 09:27:40,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387662081] [2019-11-20 09:27:40,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 09:27:40,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:40,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 09:27:40,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-20 09:27:40,807 INFO L87 Difference]: Start difference. First operand 894 states and 1212 transitions. Second operand 6 states. [2019-11-20 09:27:42,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:42,339 INFO L93 Difference]: Finished difference Result 2854 states and 3917 transitions. [2019-11-20 09:27:42,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:27:42,339 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2019-11-20 09:27:42,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:42,350 INFO L225 Difference]: With dead ends: 2854 [2019-11-20 09:27:42,351 INFO L226 Difference]: Without dead ends: 1962 [2019-11-20 09:27:42,353 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:27:42,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2019-11-20 09:27:42,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2019-11-20 09:27:42,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2019-11-20 09:27:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2348 transitions. [2019-11-20 09:27:42,394 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2348 transitions. Word has length 155 [2019-11-20 09:27:42,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:42,394 INFO L462 AbstractCegarLoop]: Abstraction has 1784 states and 2348 transitions. [2019-11-20 09:27:42,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 09:27:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2348 transitions. [2019-11-20 09:27:42,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-20 09:27:42,401 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:42,402 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:42,402 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:42,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:42,402 INFO L82 PathProgramCache]: Analyzing trace with hash -2059303942, now seen corresponding path program 1 times [2019-11-20 09:27:42,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:42,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871178941] [2019-11-20 09:27:42,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:42,517 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 09:27:42,517 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871178941] [2019-11-20 09:27:42,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:42,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:27:42,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661861571] [2019-11-20 09:27:42,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:27:42,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:42,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:27:42,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:27:42,523 INFO L87 Difference]: Start difference. First operand 1784 states and 2348 transitions. Second operand 4 states. [2019-11-20 09:27:43,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:43,749 INFO L93 Difference]: Finished difference Result 5702 states and 7593 transitions. [2019-11-20 09:27:43,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:27:43,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 221 [2019-11-20 09:27:43,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:43,772 INFO L225 Difference]: With dead ends: 5702 [2019-11-20 09:27:43,772 INFO L226 Difference]: Without dead ends: 3920 [2019-11-20 09:27:43,776 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:27:43,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2019-11-20 09:27:43,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3030. [2019-11-20 09:27:43,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2019-11-20 09:27:43,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3805 transitions. [2019-11-20 09:27:43,846 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3805 transitions. Word has length 221 [2019-11-20 09:27:43,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:43,847 INFO L462 AbstractCegarLoop]: Abstraction has 3030 states and 3805 transitions. [2019-11-20 09:27:43,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:27:43,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3805 transitions. [2019-11-20 09:27:43,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 09:27:43,851 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:43,851 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2019-11-20 09:27:43,852 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:43,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:43,852 INFO L82 PathProgramCache]: Analyzing trace with hash 578378333, now seen corresponding path program 1 times [2019-11-20 09:27:43,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:43,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201012039] [2019-11-20 09:27:43,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 09:27:44,137 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201012039] [2019-11-20 09:27:44,137 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564163704] [2019-11-20 09:27:44,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:27:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:44,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 09:27:44,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:27:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 09:27:44,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 09:27:44,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-20 09:27:44,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140697525] [2019-11-20 09:27:44,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:27:44,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:44,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:27:44,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-20 09:27:44,416 INFO L87 Difference]: Start difference. First operand 3030 states and 3805 transitions. Second operand 4 states. [2019-11-20 09:27:45,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:45,269 INFO L93 Difference]: Finished difference Result 6265 states and 7839 transitions. [2019-11-20 09:27:45,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:27:45,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 235 [2019-11-20 09:27:45,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:45,286 INFO L225 Difference]: With dead ends: 6265 [2019-11-20 09:27:45,287 INFO L226 Difference]: Without dead ends: 3208 [2019-11-20 09:27:45,291 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-20 09:27:45,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2019-11-20 09:27:45,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2019-11-20 09:27:45,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2019-11-20 09:27:45,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3346 transitions. [2019-11-20 09:27:45,351 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3346 transitions. Word has length 235 [2019-11-20 09:27:45,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:45,352 INFO L462 AbstractCegarLoop]: Abstraction has 3030 states and 3346 transitions. [2019-11-20 09:27:45,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:27:45,352 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3346 transitions. [2019-11-20 09:27:45,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-11-20 09:27:45,357 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:45,358 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:45,566 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:27:45,566 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:45,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:45,566 INFO L82 PathProgramCache]: Analyzing trace with hash 2124879563, now seen corresponding path program 1 times [2019-11-20 09:27:45,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:45,567 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838556282] [2019-11-20 09:27:45,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 65 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 09:27:46,142 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838556282] [2019-11-20 09:27:46,142 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625922290] [2019-11-20 09:27:46,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:27:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:46,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 09:27:46,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:27:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-11-20 09:27:46,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 09:27:46,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-20 09:27:46,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519415153] [2019-11-20 09:27:46,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:27:46,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:46,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:27:46,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 09:27:46,372 INFO L87 Difference]: Start difference. First operand 3030 states and 3346 transitions. Second operand 3 states. [2019-11-20 09:27:46,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:46,873 INFO L93 Difference]: Finished difference Result 6058 states and 6690 transitions. [2019-11-20 09:27:46,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:27:46,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2019-11-20 09:27:46,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:46,890 INFO L225 Difference]: With dead ends: 6058 [2019-11-20 09:27:46,890 INFO L226 Difference]: Without dead ends: 3030 [2019-11-20 09:27:46,894 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 329 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 09:27:46,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2019-11-20 09:27:46,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 3030. [2019-11-20 09:27:46,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2019-11-20 09:27:46,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3307 transitions. [2019-11-20 09:27:46,948 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3307 transitions. Word has length 330 [2019-11-20 09:27:46,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:46,949 INFO L462 AbstractCegarLoop]: Abstraction has 3030 states and 3307 transitions. [2019-11-20 09:27:46,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:27:46,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3307 transitions. [2019-11-20 09:27:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2019-11-20 09:27:46,958 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:46,959 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:47,162 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:27:47,162 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:47,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:47,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1046101739, now seen corresponding path program 1 times [2019-11-20 09:27:47,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:47,163 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068164825] [2019-11-20 09:27:47,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 440 proven. 65 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2019-11-20 09:27:47,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068164825] [2019-11-20 09:27:47,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628767397] [2019-11-20 09:27:47,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:27:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:48,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 09:27:48,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:27:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2019-11-20 09:27:48,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 09:27:48,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-20 09:27:48,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540677990] [2019-11-20 09:27:48,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:27:48,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:48,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:27:48,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 09:27:48,131 INFO L87 Difference]: Start difference. First operand 3030 states and 3307 transitions. Second operand 3 states. [2019-11-20 09:27:48,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:48,619 INFO L93 Difference]: Finished difference Result 4278 states and 4649 transitions. [2019-11-20 09:27:48,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:27:48,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 437 [2019-11-20 09:27:48,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:48,652 INFO L225 Difference]: With dead ends: 4278 [2019-11-20 09:27:48,652 INFO L226 Difference]: Without dead ends: 4276 [2019-11-20 09:27:48,654 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 436 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 09:27:48,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2019-11-20 09:27:48,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3208. [2019-11-20 09:27:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2019-11-20 09:27:48,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3509 transitions. [2019-11-20 09:27:48,719 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3509 transitions. Word has length 437 [2019-11-20 09:27:48,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:48,720 INFO L462 AbstractCegarLoop]: Abstraction has 3208 states and 3509 transitions. [2019-11-20 09:27:48,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:27:48,721 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3509 transitions. [2019-11-20 09:27:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2019-11-20 09:27:48,732 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:48,733 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-20 09:27:48,938 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:27:48,938 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:48,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:48,957 INFO L82 PathProgramCache]: Analyzing trace with hash -97726481, now seen corresponding path program 1 times [2019-11-20 09:27:48,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:48,958 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727409456] [2019-11-20 09:27:48,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 440 proven. 65 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2019-11-20 09:27:49,553 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727409456] [2019-11-20 09:27:49,554 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702500770] [2019-11-20 09:27:49,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:27:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:49,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 09:27:49,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:27:49,884 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2019-11-20 09:27:49,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 09:27:49,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-20 09:27:49,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241210618] [2019-11-20 09:27:49,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:27:49,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:49,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:27:49,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 09:27:49,886 INFO L87 Difference]: Start difference. First operand 3208 states and 3509 transitions. Second operand 3 states. [2019-11-20 09:27:50,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:50,429 INFO L93 Difference]: Finished difference Result 3744 states and 4103 transitions. [2019-11-20 09:27:50,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:27:50,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 468 [2019-11-20 09:27:50,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:50,449 INFO L225 Difference]: With dead ends: 3744 [2019-11-20 09:27:50,449 INFO L226 Difference]: Without dead ends: 3742 [2019-11-20 09:27:50,450 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 467 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 09:27:50,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2019-11-20 09:27:50,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3208. [2019-11-20 09:27:50,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2019-11-20 09:27:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3509 transitions. [2019-11-20 09:27:50,515 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3509 transitions. Word has length 468 [2019-11-20 09:27:50,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:50,516 INFO L462 AbstractCegarLoop]: Abstraction has 3208 states and 3509 transitions. [2019-11-20 09:27:50,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:27:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3509 transitions. [2019-11-20 09:27:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2019-11-20 09:27:50,528 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:50,529 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-20 09:27:50,732 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:27:50,733 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:50,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:50,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1907640015, now seen corresponding path program 1 times [2019-11-20 09:27:50,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:50,734 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777528915] [2019-11-20 09:27:50,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:51,464 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 440 proven. 65 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2019-11-20 09:27:51,464 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777528915] [2019-11-20 09:27:51,465 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654124607] [2019-11-20 09:27:51,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:27:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:51,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 09:27:51,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:27:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2019-11-20 09:27:51,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 09:27:51,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2019-11-20 09:27:51,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100542880] [2019-11-20 09:27:51,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 09:27:51,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:51,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 09:27:51,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-11-20 09:27:51,983 INFO L87 Difference]: Start difference. First operand 3208 states and 3509 transitions. Second operand 7 states. [2019-11-20 09:27:52,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:52,982 INFO L93 Difference]: Finished difference Result 6692 states and 7306 transitions. [2019-11-20 09:27:52,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 09:27:52,983 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 477 [2019-11-20 09:27:52,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:52,998 INFO L225 Difference]: With dead ends: 6692 [2019-11-20 09:27:52,998 INFO L226 Difference]: Without dead ends: 3386 [2019-11-20 09:27:53,002 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 472 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-11-20 09:27:53,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2019-11-20 09:27:53,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3208. [2019-11-20 09:27:53,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2019-11-20 09:27:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3437 transitions. [2019-11-20 09:27:53,062 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3437 transitions. Word has length 477 [2019-11-20 09:27:53,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:53,063 INFO L462 AbstractCegarLoop]: Abstraction has 3208 states and 3437 transitions. [2019-11-20 09:27:53,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 09:27:53,063 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3437 transitions. [2019-11-20 09:27:53,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2019-11-20 09:27:53,085 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:53,085 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:53,289 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:27:53,289 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:53,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:53,289 INFO L82 PathProgramCache]: Analyzing trace with hash 729403087, now seen corresponding path program 1 times [2019-11-20 09:27:53,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:53,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113454061] [2019-11-20 09:27:53,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1840 backedges. 1361 proven. 0 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2019-11-20 09:27:54,979 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113454061] [2019-11-20 09:27:54,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:54,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 09:27:54,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340457183] [2019-11-20 09:27:54,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 09:27:54,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:54,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 09:27:54,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:27:54,982 INFO L87 Difference]: Start difference. First operand 3208 states and 3437 transitions. Second operand 7 states. [2019-11-20 09:27:56,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:56,122 INFO L93 Difference]: Finished difference Result 7375 states and 7863 transitions. [2019-11-20 09:27:56,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 09:27:56,123 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 824 [2019-11-20 09:27:56,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:56,151 INFO L225 Difference]: With dead ends: 7375 [2019-11-20 09:27:56,156 INFO L226 Difference]: Without dead ends: 4169 [2019-11-20 09:27:56,160 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-11-20 09:27:56,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4169 states. [2019-11-20 09:27:56,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4169 to 3386. [2019-11-20 09:27:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2019-11-20 09:27:56,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3618 transitions. [2019-11-20 09:27:56,231 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3618 transitions. Word has length 824 [2019-11-20 09:27:56,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:56,232 INFO L462 AbstractCegarLoop]: Abstraction has 3386 states and 3618 transitions. [2019-11-20 09:27:56,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 09:27:56,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3618 transitions. [2019-11-20 09:27:56,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2019-11-20 09:27:56,242 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:56,243 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:56,244 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:56,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:56,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1264885244, now seen corresponding path program 1 times [2019-11-20 09:27:56,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:56,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877250678] [2019-11-20 09:27:56,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:56,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2226 backedges. 1480 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2019-11-20 09:27:56,988 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877250678] [2019-11-20 09:27:56,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:56,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:27:56,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041401783] [2019-11-20 09:27:56,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:27:56,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:56,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:27:56,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:27:56,992 INFO L87 Difference]: Start difference. First operand 3386 states and 3618 transitions. Second operand 3 states. [2019-11-20 09:27:57,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:57,518 INFO L93 Difference]: Finished difference Result 7838 states and 8355 transitions. [2019-11-20 09:27:57,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:27:57,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 840 [2019-11-20 09:27:57,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:57,531 INFO L225 Difference]: With dead ends: 7838 [2019-11-20 09:27:57,538 INFO L226 Difference]: Without dead ends: 4454 [2019-11-20 09:27:57,542 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:27:57,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2019-11-20 09:27:57,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4276. [2019-11-20 09:27:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4276 states. [2019-11-20 09:27:57,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4535 transitions. [2019-11-20 09:27:57,606 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4535 transitions. Word has length 840 [2019-11-20 09:27:57,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:57,607 INFO L462 AbstractCegarLoop]: Abstraction has 4276 states and 4535 transitions. [2019-11-20 09:27:57,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:27:57,611 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4535 transitions. [2019-11-20 09:27:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2019-11-20 09:27:57,626 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:57,628 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:57,628 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:57,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:57,629 INFO L82 PathProgramCache]: Analyzing trace with hash 585090150, now seen corresponding path program 1 times [2019-11-20 09:27:57,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:57,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26510751] [2019-11-20 09:27:57,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:58,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2320 backedges. 1523 proven. 0 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2019-11-20 09:27:58,459 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26510751] [2019-11-20 09:27:58,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:58,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:27:58,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075562968] [2019-11-20 09:27:58,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:27:58,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:58,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:27:58,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:27:58,462 INFO L87 Difference]: Start difference. First operand 4276 states and 4535 transitions. Second operand 4 states. [2019-11-20 09:27:59,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:59,311 INFO L93 Difference]: Finished difference Result 9974 states and 10610 transitions. [2019-11-20 09:27:59,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:27:59,311 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 900 [2019-11-20 09:27:59,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:59,322 INFO L225 Difference]: With dead ends: 9974 [2019-11-20 09:27:59,322 INFO L226 Difference]: Without dead ends: 5700 [2019-11-20 09:27:59,327 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 [2019-11-20 09:27:59,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states. [2019-11-20 09:27:59,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5344. [2019-11-20 09:27:59,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2019-11-20 09:27:59,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5625 transitions. [2019-11-20 09:27:59,407 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5625 transitions. Word has length 900 [2019-11-20 09:27:59,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:59,408 INFO L462 AbstractCegarLoop]: Abstraction has 5344 states and 5625 transitions. [2019-11-20 09:27:59,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:27:59,408 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5625 transitions. [2019-11-20 09:27:59,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 925 [2019-11-20 09:27:59,421 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:59,422 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-11-20 09:27:59,422 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:59,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:59,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1229948962, now seen corresponding path program 1 times [2019-11-20 09:27:59,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:59,423 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11182532] [2019-11-20 09:27:59,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:28:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2393 backedges. 1184 proven. 4 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2019-11-20 09:28:00,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11182532] [2019-11-20 09:28:00,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221413797] [2019-11-20 09:28:00,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:28:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:28:01,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 09:28:01,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:28:01,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 09:28:02,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2393 backedges. 1165 proven. 23 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2019-11-20 09:28:02,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 09:28:02,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2019-11-20 09:28:02,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041149663] [2019-11-20 09:28:02,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 09:28:02,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:28:02,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 09:28:02,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-20 09:28:02,155 INFO L87 Difference]: Start difference. First operand 5344 states and 5625 transitions. Second operand 8 states. [2019-11-20 09:28:03,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:28:03,676 INFO L93 Difference]: Finished difference Result 12022 states and 12614 transitions. [2019-11-20 09:28:03,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 09:28:03,677 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 924 [2019-11-20 09:28:03,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:28:03,687 INFO L225 Difference]: With dead ends: 12022 [2019-11-20 09:28:03,687 INFO L226 Difference]: Without dead ends: 6680 [2019-11-20 09:28:03,693 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 932 GetRequests, 921 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2019-11-20 09:28:03,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6680 states. [2019-11-20 09:28:03,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6680 to 5344. [2019-11-20 09:28:03,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2019-11-20 09:28:03,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5624 transitions. [2019-11-20 09:28:03,775 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5624 transitions. Word has length 924 [2019-11-20 09:28:03,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:28:03,775 INFO L462 AbstractCegarLoop]: Abstraction has 5344 states and 5624 transitions. [2019-11-20 09:28:03,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 09:28:03,776 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5624 transitions. [2019-11-20 09:28:03,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1091 [2019-11-20 09:28:03,791 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:28:03,792 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:28:04,003 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:28:04,003 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:28:04,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:28:04,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1841080212, now seen corresponding path program 1 times [2019-11-20 09:28:04,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:28:04,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226344866] [2019-11-20 09:28:04,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:28:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:28:05,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3714 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 3310 trivial. 0 not checked. [2019-11-20 09:28:05,084 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226344866] [2019-11-20 09:28:05,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:28:05,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:28:05,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499844344] [2019-11-20 09:28:05,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:28:05,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:28:05,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:28:05,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:28:05,087 INFO L87 Difference]: Start difference. First operand 5344 states and 5624 transitions. Second operand 3 states. [2019-11-20 09:28:05,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:28:05,660 INFO L93 Difference]: Finished difference Result 11396 states and 12003 transitions. [2019-11-20 09:28:05,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:28:05,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1090 [2019-11-20 09:28:05,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:28:05,663 INFO L225 Difference]: With dead ends: 11396 [2019-11-20 09:28:05,663 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 09:28:05,672 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:28:05,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 09:28:05,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 09:28:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 09:28:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:28:05,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1090 [2019-11-20 09:28:05,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:28:05,674 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:28:05,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:28:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:28:05,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:28:05,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 09:28:05,980 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 155 [2019-11-20 09:28:06,222 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 155 [2019-11-20 09:28:06,684 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 30 [2019-11-20 09:28:07,139 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 30 [2019-11-20 09:28:07,142 INFO L444 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-20 09:28:07,142 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-20 09:28:07,142 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,142 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,143 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,143 INFO L444 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-20 09:28:07,143 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-20 09:28:07,143 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-20 09:28:07,143 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-20 09:28:07,143 INFO L444 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-20 09:28:07,143 INFO L444 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-20 09:28:07,143 INFO L444 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-20 09:28:07,143 INFO L444 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-20 09:28:07,143 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,143 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,143 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,144 INFO L444 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-20 09:28:07,144 INFO L444 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-20 09:28:07,144 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-20 09:28:07,144 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-20 09:28:07,144 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-20 09:28:07,144 INFO L444 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-20 09:28:07,144 INFO L444 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-20 09:28:07,144 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-20 09:28:07,144 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,144 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,144 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,144 INFO L444 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-20 09:28:07,145 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-20 09:28:07,145 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-20 09:28:07,145 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-20 09:28:07,145 INFO L444 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-20 09:28:07,145 INFO L444 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-20 09:28:07,145 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-20 09:28:07,145 INFO L444 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-20 09:28:07,145 INFO L444 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-20 09:28:07,145 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,145 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,145 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,145 INFO L444 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-20 09:28:07,146 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-20 09:28:07,146 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-20 09:28:07,146 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-20 09:28:07,146 INFO L444 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-20 09:28:07,146 INFO L444 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-20 09:28:07,146 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-20 09:28:07,146 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,146 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,146 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,146 INFO L444 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-20 09:28:07,146 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-20 09:28:07,146 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-20 09:28:07,147 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-20 09:28:07,147 INFO L444 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-20 09:28:07,147 INFO L444 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-20 09:28:07,147 INFO L444 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-20 09:28:07,147 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-20 09:28:07,147 INFO L444 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-20 09:28:07,147 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,147 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,147 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,147 INFO L444 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-20 09:28:07,147 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-20 09:28:07,147 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-20 09:28:07,148 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-20 09:28:07,148 INFO L444 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-20 09:28:07,148 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-20 09:28:07,148 INFO L444 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-20 09:28:07,148 INFO L444 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-20 09:28:07,148 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,148 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,148 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,148 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-20 09:28:07,148 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-20 09:28:07,148 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-20 09:28:07,148 INFO L444 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-20 09:28:07,148 INFO L444 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-20 09:28:07,149 INFO L444 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-20 09:28:07,149 INFO L444 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-20 09:28:07,149 INFO L444 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-20 09:28:07,149 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,149 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,149 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,149 INFO L444 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-20 09:28:07,149 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-20 09:28:07,149 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 09:28:07,149 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-20 09:28:07,149 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-20 09:28:07,149 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-20 09:28:07,150 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-20 09:28:07,150 INFO L444 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-20 09:28:07,150 INFO L444 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-20 09:28:07,150 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,150 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,150 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,150 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-20 09:28:07,150 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-20 09:28:07,150 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-20 09:28:07,150 INFO L444 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-20 09:28:07,150 INFO L444 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-20 09:28:07,150 INFO L444 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-20 09:28:07,150 INFO L444 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-20 09:28:07,151 INFO L444 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-20 09:28:07,151 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,151 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,151 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,151 INFO L444 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-20 09:28:07,151 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-20 09:28:07,151 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-20 09:28:07,151 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-20 09:28:07,151 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-20 09:28:07,151 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-20 09:28:07,151 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 09:28:07,152 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-11-20 09:28:07,152 INFO L444 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-20 09:28:07,152 INFO L444 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-20 09:28:07,152 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,152 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,152 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,152 INFO L444 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-20 09:28:07,152 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-20 09:28:07,152 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-20 09:28:07,152 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-20 09:28:07,152 INFO L444 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-20 09:28:07,152 INFO L444 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-20 09:28:07,153 INFO L444 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-20 09:28:07,153 INFO L444 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-20 09:28:07,153 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,153 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,153 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,153 INFO L444 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-20 09:28:07,153 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-20 09:28:07,153 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-20 09:28:07,153 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-20 09:28:07,156 INFO L444 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-20 09:28:07,156 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-20 09:28:07,156 INFO L444 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-20 09:28:07,156 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-20 09:28:07,156 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,156 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,157 INFO L444 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-20 09:28:07,157 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-20 09:28:07,157 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-20 09:28:07,157 INFO L444 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-20 09:28:07,157 INFO L444 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-20 09:28:07,157 INFO L444 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-20 09:28:07,157 INFO L444 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-20 09:28:07,158 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-20 09:28:07,158 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,158 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,158 INFO L444 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-20 09:28:07,158 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-20 09:28:07,158 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-20 09:28:07,158 INFO L444 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-20 09:28:07,159 INFO L444 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-20 09:28:07,159 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-20 09:28:07,159 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,159 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,159 INFO L440 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse0 (not (= ~a21~0 9))) (.cse1 (= ~a24~0 1)) (.cse2 (<= ~a15~0 8))) (or (and (and .cse0 .cse1) (not (= 6 ~a21~0))) (and .cse0 .cse1 (= ~a15~0 5)) (and .cse2 (<= 6 ~a15~0) .cse1) (and (<= 12 ~a12~0) .cse1) (and (<= (+ ~a12~0 43) 0) .cse2))) [2019-11-20 09:28:07,160 INFO L444 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-20 09:28:07,160 INFO L444 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-20 09:28:07,160 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-20 09:28:07,160 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-20 09:28:07,160 INFO L444 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-20 09:28:07,160 INFO L444 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-20 09:28:07,160 INFO L444 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-20 09:28:07,161 INFO L444 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-20 09:28:07,161 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,161 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,161 INFO L447 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-20 09:28:07,161 INFO L444 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-20 09:28:07,161 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-20 09:28:07,161 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-20 09:28:07,161 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-20 09:28:07,162 INFO L444 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-20 09:28:07,162 INFO L444 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-20 09:28:07,162 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-20 09:28:07,162 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,162 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,162 INFO L444 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-20 09:28:07,162 INFO L444 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-20 09:28:07,163 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-20 09:28:07,163 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-20 09:28:07,163 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 09:28:07,163 INFO L444 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-20 09:28:07,163 INFO L444 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-20 09:28:07,163 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,163 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,163 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-20 09:28:07,164 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,164 INFO L444 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-20 09:28:07,164 INFO L440 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (not (= ~a21~0 9))) (.cse1 (= ~a24~0 1)) (.cse2 (<= ~a15~0 8))) (or (and (and .cse0 .cse1) (not (= 6 ~a21~0))) (and .cse0 .cse1 (= ~a15~0 5)) (and .cse2 (<= 6 ~a15~0) .cse1) (and (<= 12 ~a12~0) .cse1) (and (<= (+ ~a12~0 43) 0) .cse2))) [2019-11-20 09:28:07,164 INFO L444 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-20 09:28:07,164 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-20 09:28:07,164 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-20 09:28:07,165 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-20 09:28:07,165 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-20 09:28:07,165 INFO L444 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-20 09:28:07,165 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-20 09:28:07,165 INFO L444 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-20 09:28:07,165 INFO L444 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-20 09:28:07,165 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,166 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,166 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,166 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-20 09:28:07,166 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-20 09:28:07,166 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-20 09:28:07,166 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-20 09:28:07,166 INFO L444 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-20 09:28:07,166 INFO L444 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-20 09:28:07,167 INFO L444 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-20 09:28:07,167 INFO L444 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-20 09:28:07,167 INFO L444 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-20 09:28:07,167 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,167 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,167 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,167 INFO L444 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-20 09:28:07,168 INFO L444 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-20 09:28:07,168 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-20 09:28:07,168 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-20 09:28:07,168 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 09:28:07,168 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-20 09:28:07,168 INFO L444 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-20 09:28:07,168 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-20 09:28:07,168 INFO L444 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-20 09:28:07,169 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,169 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,169 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,169 INFO L444 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-20 09:28:07,169 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-20 09:28:07,169 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-20 09:28:07,169 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-20 09:28:07,170 INFO L444 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-20 09:28:07,170 INFO L444 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-20 09:28:07,170 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-20 09:28:07,170 INFO L444 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-20 09:28:07,170 INFO L444 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-20 09:28:07,170 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,170 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,170 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 09:28:07,171 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-20 09:28:07,171 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-20 09:28:07,171 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-20 09:28:07,171 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-20 09:28:07,171 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-20 09:28:07,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:28:07 BoogieIcfgContainer [2019-11-20 09:28:07,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:28:07,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:28:07,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:28:07,188 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:28:07,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:36" (3/4) ... [2019-11-20 09:28:07,191 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:28:07,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 09:28:07,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:28:07,374 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d1e8e51c-11e8-4233-88b9-e3a17fb50050/bin/uautomizer/witness.graphml [2019-11-20 09:28:07,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:28:07,376 INFO L168 Benchmark]: Toolchain (without parser) took 33059.83 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 946.1 MB in the beginning and 1.4 GB in the end (delta: -491.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2019-11-20 09:28:07,376 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:28:07,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:28:07,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.93 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:28:07,377 INFO L168 Benchmark]: Boogie Preprocessor took 60.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 09:28:07,378 INFO L168 Benchmark]: RCFGBuilder took 1325.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 952.1 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:28:07,378 INFO L168 Benchmark]: TraceAbstraction took 30619.17 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 952.1 MB in the beginning and 1.5 GB in the end (delta: -532.5 MB). Peak memory consumption was 984.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:28:07,378 INFO L168 Benchmark]: Witness Printer took 186.93 ms. Allocated memory is still 2.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:28:07,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 769.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.93 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1325.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 952.1 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30619.17 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 952.1 MB in the beginning and 1.5 GB in the end (delta: -532.5 MB). Peak memory consumption was 984.3 MB. Max. memory is 11.5 GB. * Witness Printer took 186.93 ms. Allocated memory is still 2.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 880]: Loop Invariant Derived loop invariant: (((((!(a21 == 9) && a24 == 1) && !(6 == a21)) || ((!(a21 == 9) && a24 == 1) && a15 == 5)) || ((a15 <= 8 && 6 <= a15) && a24 == 1)) || (12 <= a12 && a24 == 1)) || (a12 + 43 <= 0 && a15 <= 8) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((!(a21 == 9) && a24 == 1) && !(6 == a21)) || ((!(a21 == 9) && a24 == 1) && a15 == 5)) || ((a15 <= 8 && 6 <= a15) && a24 == 1)) || (12 <= a12 && a24 == 1)) || (a12 + 43 <= 0 && a15 <= 8) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 30.5s, OverallIterations: 14, TraceHistogramMax: 10, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, HoareTripleCheckerStatistics: 954 SDtfs, 3884 SDslu, 170 SDs, 0 SdLazy, 11885 SolverSat, 1464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2944 GetRequests, 2871 SyntacticMatches, 9 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5344occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 6035 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 80 NumberOfFragments, 103 HoareAnnotationTreeSize, 3 FomulaSimplifications, 25666 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 9200 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 9945 NumberOfCodeBlocks, 9945 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 9925 ConstructedInterpolants, 0 QuantifiedInterpolants, 19713740 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3632 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 20 InterpolantComputations, 13 PerfectInterpolantSequences, 20141/20432 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...