./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label55.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_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/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 d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:46:54,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:46:54,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:46:54,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:46:54,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:46:54,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:46:54,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:46:54,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:46:54,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:46:54,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:46:54,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:46:54,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:46:54,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:46:54,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:46:54,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:46:54,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:46:54,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:46:54,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:46:54,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:46:54,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:46:54,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:46:54,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:46:54,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:46:54,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:46:54,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:46:54,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:46:54,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:46:54,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:46:54,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:46:54,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:46:54,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:46:54,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:46:54,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:46:54,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:46:54,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:46:54,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:46:54,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:46:54,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:46:54,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:46:54,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:46:54,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:46:54,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 07:46:54,281 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:46:54,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:46:54,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:46:54,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:46:54,286 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:46:54,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:46:54,286 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:46:54,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:46:54,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:46:54,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:46:54,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:46:54,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:46:54,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:46:54,289 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:46:54,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:46:54,289 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:46:54,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:46:54,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:46:54,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:46:54,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:46:54,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:46:54,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:46:54,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:46:54,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:46:54,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:46:54,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:46:54,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:46:54,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:46:54,292 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_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/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 -> d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc [2019-11-20 07:46:54,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:46:54,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:46:54,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:46:54,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:46:54,502 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:46:54,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c [2019-11-20 07:46:54,557 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/data/6ff2c93b2/ed3646f65be143118b6fbb84a834f349/FLAG231afc58f [2019-11-20 07:46:54,999 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:46:54,999 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/sv-benchmarks/c/eca-rers2012/Problem14_label55.c [2019-11-20 07:46:55,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/data/6ff2c93b2/ed3646f65be143118b6fbb84a834f349/FLAG231afc58f [2019-11-20 07:46:55,285 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/data/6ff2c93b2/ed3646f65be143118b6fbb84a834f349 [2019-11-20 07:46:55,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:46:55,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:46:55,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:46:55,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:46:55,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:46:55,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:55" (1/1) ... [2019-11-20 07:46:55,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1760b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:55, skipping insertion in model container [2019-11-20 07:46:55,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:55" (1/1) ... [2019-11-20 07:46:55,303 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:46:55,368 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:46:55,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:46:55,870 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:46:56,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:46:56,028 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:46:56,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:56 WrapperNode [2019-11-20 07:46:56,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:46:56,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:46:56,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:46:56,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:46:56,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:56" (1/1) ... [2019-11-20 07:46:56,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:56" (1/1) ... [2019-11-20 07:46:56,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:46:56,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:46:56,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:46:56,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:46:56,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:56" (1/1) ... [2019-11-20 07:46:56,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:56" (1/1) ... [2019-11-20 07:46:56,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:56" (1/1) ... [2019-11-20 07:46:56,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:56" (1/1) ... [2019-11-20 07:46:56,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:56" (1/1) ... [2019-11-20 07:46:56,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:56" (1/1) ... [2019-11-20 07:46:56,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:56" (1/1) ... [2019-11-20 07:46:56,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:46:56,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:46:56,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:46:56,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:46:56,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:46:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:46:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:46:57,606 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:46:57,607 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 07:46:57,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:46:57 BoogieIcfgContainer [2019-11-20 07:46:57,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:46:57,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:46:57,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:46:57,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:46:57,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:46:55" (1/3) ... [2019-11-20 07:46:57,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7594e580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:46:57, skipping insertion in model container [2019-11-20 07:46:57,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:56" (2/3) ... [2019-11-20 07:46:57,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7594e580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:46:57, skipping insertion in model container [2019-11-20 07:46:57,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:46:57" (3/3) ... [2019-11-20 07:46:57,617 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label55.c [2019-11-20 07:46:57,626 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:46:57,633 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 07:46:57,643 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 07:46:57,673 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:46:57,674 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:46:57,674 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:46:57,674 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:46:57,674 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:46:57,674 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:46:57,675 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:46:57,675 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:46:57,701 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-20 07:46:57,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 07:46:57,713 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:46:57,713 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:46:57,714 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:46:57,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:46:57,720 INFO L82 PathProgramCache]: Analyzing trace with hash -66916295, now seen corresponding path program 1 times [2019-11-20 07:46:57,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:46:57,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589268864] [2019-11-20 07:46:57,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:46:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:46:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:46:58,086 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589268864] [2019-11-20 07:46:58,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:46:58,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 07:46:58,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746024941] [2019-11-20 07:46:58,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 07:46:58,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:46:58,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 07:46:58,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-20 07:46:58,109 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 6 states. [2019-11-20 07:47:00,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:00,288 INFO L93 Difference]: Finished difference Result 852 states and 1560 transitions. [2019-11-20 07:47:00,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 07:47:00,289 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-11-20 07:47:00,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:00,305 INFO L225 Difference]: With dead ends: 852 [2019-11-20 07:47:00,306 INFO L226 Difference]: Without dead ends: 538 [2019-11-20 07:47:00,310 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2019-11-20 07:47:00,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-20 07:47:00,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-20 07:47:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-20 07:47:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 778 transitions. [2019-11-20 07:47:00,380 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 778 transitions. Word has length 57 [2019-11-20 07:47:00,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:00,381 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 778 transitions. [2019-11-20 07:47:00,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 07:47:00,381 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 778 transitions. [2019-11-20 07:47:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-20 07:47:00,389 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:47:00,390 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:47:00,390 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:47:00,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:47:00,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1784234753, now seen corresponding path program 1 times [2019-11-20 07:47:00,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:47:00,391 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891015953] [2019-11-20 07:47:00,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:47:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:00,574 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 07:47:00,575 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891015953] [2019-11-20 07:47:00,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:47:00,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:47:00,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606522434] [2019-11-20 07:47:00,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 07:47:00,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:47:00,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 07:47:00,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:47:00,580 INFO L87 Difference]: Start difference. First operand 538 states and 778 transitions. Second operand 4 states. [2019-11-20 07:47:01,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:01,654 INFO L93 Difference]: Finished difference Result 1252 states and 1948 transitions. [2019-11-20 07:47:01,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 07:47:01,656 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 205 [2019-11-20 07:47:01,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:01,662 INFO L225 Difference]: With dead ends: 1252 [2019-11-20 07:47:01,663 INFO L226 Difference]: Without dead ends: 894 [2019-11-20 07:47:01,665 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:47:01,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2019-11-20 07:47:01,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2019-11-20 07:47:01,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2019-11-20 07:47:01,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1206 transitions. [2019-11-20 07:47:01,735 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1206 transitions. Word has length 205 [2019-11-20 07:47:01,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:01,735 INFO L462 AbstractCegarLoop]: Abstraction has 894 states and 1206 transitions. [2019-11-20 07:47:01,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 07:47:01,735 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1206 transitions. [2019-11-20 07:47:01,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 07:47:01,749 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:47:01,754 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, 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, 1, 1] [2019-11-20 07:47:01,755 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:47:01,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:47:01,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1832078, now seen corresponding path program 1 times [2019-11-20 07:47:01,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:47:01,755 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671411948] [2019-11-20 07:47:01,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:47:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 158 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 07:47:02,101 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671411948] [2019-11-20 07:47:02,101 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37624684] [2019-11-20 07:47:02,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 07:47:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:02,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:47:02,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:47:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-20 07:47:02,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 07:47:02,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-20 07:47:02,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146840326] [2019-11-20 07:47:02,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:47:02,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:47:02,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:47:02,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 07:47:02,312 INFO L87 Difference]: Start difference. First operand 894 states and 1206 transitions. Second operand 3 states. [2019-11-20 07:47:03,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:03,132 INFO L93 Difference]: Finished difference Result 2320 states and 3245 transitions. [2019-11-20 07:47:03,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:47:03,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2019-11-20 07:47:03,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:03,144 INFO L225 Difference]: With dead ends: 2320 [2019-11-20 07:47:03,144 INFO L226 Difference]: Without dead ends: 1606 [2019-11-20 07:47:03,145 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 227 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 07:47:03,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2019-11-20 07:47:03,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1428. [2019-11-20 07:47:03,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-11-20 07:47:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1842 transitions. [2019-11-20 07:47:03,202 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1842 transitions. Word has length 228 [2019-11-20 07:47:03,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:03,205 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 1842 transitions. [2019-11-20 07:47:03,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:47:03,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1842 transitions. [2019-11-20 07:47:03,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-20 07:47:03,219 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:47:03,219 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, 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, 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] [2019-11-20 07:47:03,423 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 07:47:03,424 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:47:03,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:47:03,424 INFO L82 PathProgramCache]: Analyzing trace with hash -504251555, now seen corresponding path program 1 times [2019-11-20 07:47:03,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:47:03,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492957275] [2019-11-20 07:47:03,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:47:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:03,845 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 266 proven. 4 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-11-20 07:47:03,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492957275] [2019-11-20 07:47:03,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178769980] [2019-11-20 07:47:03,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/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 07:47:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:03,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 07:47:03,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:47:04,113 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 282 proven. 43 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-20 07:47:04,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 07:47:04,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2019-11-20 07:47:04,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906831184] [2019-11-20 07:47:04,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 07:47:04,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:47:04,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 07:47:04,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 07:47:04,117 INFO L87 Difference]: Start difference. First operand 1428 states and 1842 transitions. Second operand 8 states. [2019-11-20 07:47:07,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:07,395 INFO L93 Difference]: Finished difference Result 5238 states and 6957 transitions. [2019-11-20 07:47:07,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-20 07:47:07,395 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 327 [2019-11-20 07:47:07,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:07,417 INFO L225 Difference]: With dead ends: 5238 [2019-11-20 07:47:07,417 INFO L226 Difference]: Without dead ends: 3742 [2019-11-20 07:47:07,420 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 327 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-11-20 07:47:07,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2019-11-20 07:47:07,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 2674. [2019-11-20 07:47:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-11-20 07:47:07,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2906 transitions. [2019-11-20 07:47:07,487 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2906 transitions. Word has length 327 [2019-11-20 07:47:07,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:07,488 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 2906 transitions. [2019-11-20 07:47:07,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 07:47:07,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2906 transitions. [2019-11-20 07:47:07,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2019-11-20 07:47:07,501 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:47:07,502 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, 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, 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, 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] [2019-11-20 07:47:07,706 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 07:47:07,706 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:47:07,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:47:07,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1151565879, now seen corresponding path program 1 times [2019-11-20 07:47:07,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:47:07,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686789594] [2019-11-20 07:47:07,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:47:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 645 proven. 4 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2019-11-20 07:47:08,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686789594] [2019-11-20 07:47:08,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651758718] [2019-11-20 07:47:08,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/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 07:47:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:08,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:47:08,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:47:09,051 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 521 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2019-11-20 07:47:09,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 07:47:09,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-20 07:47:09,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18020794] [2019-11-20 07:47:09,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:47:09,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:47:09,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:47:09,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-20 07:47:09,054 INFO L87 Difference]: Start difference. First operand 2674 states and 2906 transitions. Second operand 3 states. [2019-11-20 07:47:09,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:09,598 INFO L93 Difference]: Finished difference Result 6236 states and 6841 transitions. [2019-11-20 07:47:09,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:47:09,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 568 [2019-11-20 07:47:09,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:09,618 INFO L225 Difference]: With dead ends: 6236 [2019-11-20 07:47:09,618 INFO L226 Difference]: Without dead ends: 3742 [2019-11-20 07:47:09,622 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-20 07:47:09,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2019-11-20 07:47:09,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3564. [2019-11-20 07:47:09,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2019-11-20 07:47:09,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3902 transitions. [2019-11-20 07:47:09,699 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3902 transitions. Word has length 568 [2019-11-20 07:47:09,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:09,700 INFO L462 AbstractCegarLoop]: Abstraction has 3564 states and 3902 transitions. [2019-11-20 07:47:09,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:47:09,701 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3902 transitions. [2019-11-20 07:47:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2019-11-20 07:47:09,716 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:47:09,716 INFO L410 BasicCegarLoop]: trace histogram [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, 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, 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, 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] [2019-11-20 07:47:09,920 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 07:47:09,929 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:47:09,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:47:09,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1789934183, now seen corresponding path program 1 times [2019-11-20 07:47:09,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:47:09,929 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969316677] [2019-11-20 07:47:09,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:47:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:10,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 761 proven. 4 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 07:47:10,952 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969316677] [2019-11-20 07:47:10,956 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797083267] [2019-11-20 07:47:10,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/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 07:47:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:11,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:47:11,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:47:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2019-11-20 07:47:11,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 07:47:11,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-20 07:47:11,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463899112] [2019-11-20 07:47:11,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:47:11,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:47:11,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:47:11,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-20 07:47:11,299 INFO L87 Difference]: Start difference. First operand 3564 states and 3902 transitions. Second operand 3 states. [2019-11-20 07:47:11,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:11,884 INFO L93 Difference]: Finished difference Result 7660 states and 8407 transitions. [2019-11-20 07:47:11,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:47:11,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 570 [2019-11-20 07:47:11,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:11,903 INFO L225 Difference]: With dead ends: 7660 [2019-11-20 07:47:11,903 INFO L226 Difference]: Without dead ends: 4276 [2019-11-20 07:47:11,907 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-20 07:47:11,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2019-11-20 07:47:11,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 4098. [2019-11-20 07:47:11,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2019-11-20 07:47:11,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4470 transitions. [2019-11-20 07:47:11,996 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4470 transitions. Word has length 570 [2019-11-20 07:47:11,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:11,997 INFO L462 AbstractCegarLoop]: Abstraction has 4098 states and 4470 transitions. [2019-11-20 07:47:11,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:47:11,997 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4470 transitions. [2019-11-20 07:47:12,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2019-11-20 07:47:12,015 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:47:12,016 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, 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, 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, 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] [2019-11-20 07:47:12,316 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 07:47:12,317 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:47:12,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:47:12,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1934055430, now seen corresponding path program 1 times [2019-11-20 07:47:12,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:47:12,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993038497] [2019-11-20 07:47:12,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:47:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 664 proven. 4 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-11-20 07:47:13,257 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993038497] [2019-11-20 07:47:13,258 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919281026] [2019-11-20 07:47:13,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/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 07:47:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:13,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 07:47:13,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:47:13,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:47:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 645 proven. 23 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-11-20 07:47:13,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 07:47:13,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2019-11-20 07:47:13,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703578300] [2019-11-20 07:47:13,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 07:47:13,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:47:13,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 07:47:13,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-20 07:47:13,986 INFO L87 Difference]: Start difference. First operand 4098 states and 4470 transitions. Second operand 8 states. [2019-11-20 07:47:15,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:15,914 INFO L93 Difference]: Finished difference Result 8981 states and 9750 transitions. [2019-11-20 07:47:15,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 07:47:15,915 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 582 [2019-11-20 07:47:15,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:15,940 INFO L225 Difference]: With dead ends: 8981 [2019-11-20 07:47:15,940 INFO L226 Difference]: Without dead ends: 5063 [2019-11-20 07:47:15,945 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 579 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 07:47:15,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5063 states. [2019-11-20 07:47:16,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5063 to 4276. [2019-11-20 07:47:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4276 states. [2019-11-20 07:47:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4649 transitions. [2019-11-20 07:47:16,047 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4649 transitions. Word has length 582 [2019-11-20 07:47:16,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:16,047 INFO L462 AbstractCegarLoop]: Abstraction has 4276 states and 4649 transitions. [2019-11-20 07:47:16,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 07:47:16,048 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4649 transitions. [2019-11-20 07:47:16,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 688 [2019-11-20 07:47:16,057 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:47:16,057 INFO L410 BasicCegarLoop]: trace histogram [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, 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, 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, 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] [2019-11-20 07:47:16,266 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 07:47:16,266 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:47:16,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:47:16,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1751000691, now seen corresponding path program 1 times [2019-11-20 07:47:16,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:47:16,267 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989684476] [2019-11-20 07:47:16,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:47:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:17,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 1012 proven. 130 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-11-20 07:47:17,532 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989684476] [2019-11-20 07:47:17,532 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100363087] [2019-11-20 07:47:17,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/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 07:47:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:17,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 07:47:17,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:47:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 998 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2019-11-20 07:47:18,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 07:47:18,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2019-11-20 07:47:18,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851742338] [2019-11-20 07:47:18,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 07:47:18,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:47:18,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 07:47:18,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-11-20 07:47:18,567 INFO L87 Difference]: Start difference. First operand 4276 states and 4649 transitions. Second operand 5 states. [2019-11-20 07:47:19,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:19,724 INFO L93 Difference]: Finished difference Result 8615 states and 9369 transitions. [2019-11-20 07:47:19,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 07:47:19,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 687 [2019-11-20 07:47:19,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:19,747 INFO L225 Difference]: With dead ends: 8615 [2019-11-20 07:47:19,748 INFO L226 Difference]: Without dead ends: 4519 [2019-11-20 07:47:19,753 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 685 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2019-11-20 07:47:19,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2019-11-20 07:47:19,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 4454. [2019-11-20 07:47:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4454 states. [2019-11-20 07:47:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 4821 transitions. [2019-11-20 07:47:19,845 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 4821 transitions. Word has length 687 [2019-11-20 07:47:19,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:19,847 INFO L462 AbstractCegarLoop]: Abstraction has 4454 states and 4821 transitions. [2019-11-20 07:47:19,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 07:47:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 4821 transitions. [2019-11-20 07:47:19,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2019-11-20 07:47:19,861 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:47:19,861 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, 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, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:47:20,065 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 07:47:20,065 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:47:20,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:47:20,066 INFO L82 PathProgramCache]: Analyzing trace with hash -94662045, now seen corresponding path program 1 times [2019-11-20 07:47:20,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:47:20,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685320371] [2019-11-20 07:47:20,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:47:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1738 backedges. 1197 proven. 130 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2019-11-20 07:47:21,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685320371] [2019-11-20 07:47:21,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95023296] [2019-11-20 07:47:21,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 07:47:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:21,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 07:47:21,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:47:22,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1738 backedges. 1100 proven. 0 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked. [2019-11-20 07:47:22,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 07:47:22,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2019-11-20 07:47:22,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059907386] [2019-11-20 07:47:22,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 07:47:22,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:47:22,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 07:47:22,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2019-11-20 07:47:22,079 INFO L87 Difference]: Start difference. First operand 4454 states and 4821 transitions. Second operand 7 states. [2019-11-20 07:47:23,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:23,023 INFO L93 Difference]: Finished difference Result 8778 states and 9511 transitions. [2019-11-20 07:47:23,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 07:47:23,027 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 689 [2019-11-20 07:47:23,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:23,061 INFO L225 Difference]: With dead ends: 8778 [2019-11-20 07:47:23,066 INFO L226 Difference]: Without dead ends: 4454 [2019-11-20 07:47:23,072 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 685 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2019-11-20 07:47:23,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2019-11-20 07:47:23,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 3920. [2019-11-20 07:47:23,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2019-11-20 07:47:23,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4206 transitions. [2019-11-20 07:47:23,141 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4206 transitions. Word has length 689 [2019-11-20 07:47:23,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:23,142 INFO L462 AbstractCegarLoop]: Abstraction has 3920 states and 4206 transitions. [2019-11-20 07:47:23,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 07:47:23,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4206 transitions. [2019-11-20 07:47:23,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2019-11-20 07:47:23,151 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:47:23,152 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:47:23,356 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 07:47:23,356 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:47:23,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:47:23,357 INFO L82 PathProgramCache]: Analyzing trace with hash 625493994, now seen corresponding path program 1 times [2019-11-20 07:47:23,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:47:23,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256441229] [2019-11-20 07:47:23,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:47:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1763 backedges. 1224 proven. 0 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2019-11-20 07:47:23,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256441229] [2019-11-20 07:47:23,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:47:23,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:47:23,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590346141] [2019-11-20 07:47:23,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:47:23,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:47:23,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:47:23,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:47:23,856 INFO L87 Difference]: Start difference. First operand 3920 states and 4206 transitions. Second operand 3 states. [2019-11-20 07:47:24,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:24,539 INFO L93 Difference]: Finished difference Result 8728 states and 9354 transitions. [2019-11-20 07:47:24,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:47:24,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 743 [2019-11-20 07:47:24,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:24,553 INFO L225 Difference]: With dead ends: 8728 [2019-11-20 07:47:24,553 INFO L226 Difference]: Without dead ends: 4988 [2019-11-20 07:47:24,559 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:47:24,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2019-11-20 07:47:24,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4988. [2019-11-20 07:47:24,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4988 states. [2019-11-20 07:47:24,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 5292 transitions. [2019-11-20 07:47:24,662 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 5292 transitions. Word has length 743 [2019-11-20 07:47:24,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:24,663 INFO L462 AbstractCegarLoop]: Abstraction has 4988 states and 5292 transitions. [2019-11-20 07:47:24,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:47:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 5292 transitions. [2019-11-20 07:47:24,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 804 [2019-11-20 07:47:24,679 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:47:24,680 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:47:24,680 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:47:24,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:47:24,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1172038720, now seen corresponding path program 1 times [2019-11-20 07:47:24,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:47:24,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743588010] [2019-11-20 07:47:24,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:47:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1825 backedges. 1297 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2019-11-20 07:47:25,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743588010] [2019-11-20 07:47:25,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:47:25,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 07:47:25,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192263619] [2019-11-20 07:47:25,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 07:47:25,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:47:25,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 07:47:25,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:47:25,546 INFO L87 Difference]: Start difference. First operand 4988 states and 5292 transitions. Second operand 4 states. [2019-11-20 07:47:26,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:26,452 INFO L93 Difference]: Finished difference Result 10508 states and 11192 transitions. [2019-11-20 07:47:26,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 07:47:26,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 803 [2019-11-20 07:47:26,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:26,472 INFO L225 Difference]: With dead ends: 10508 [2019-11-20 07:47:26,473 INFO L226 Difference]: Without dead ends: 5700 [2019-11-20 07:47:26,479 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 07:47:26,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states. [2019-11-20 07:47:26,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5166. [2019-11-20 07:47:26,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2019-11-20 07:47:26,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5460 transitions. [2019-11-20 07:47:26,563 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5460 transitions. Word has length 803 [2019-11-20 07:47:26,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:26,564 INFO L462 AbstractCegarLoop]: Abstraction has 5166 states and 5460 transitions. [2019-11-20 07:47:26,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 07:47:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5460 transitions. [2019-11-20 07:47:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 994 [2019-11-20 07:47:26,577 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:47:26,578 INFO L410 BasicCegarLoop]: trace histogram [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, 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-20 07:47:26,578 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:47:26,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:47:26,579 INFO L82 PathProgramCache]: Analyzing trace with hash -826422406, now seen corresponding path program 1 times [2019-11-20 07:47:26,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:47:26,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192406210] [2019-11-20 07:47:26,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:47:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3089 backedges. 1141 proven. 0 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2019-11-20 07:47:27,460 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192406210] [2019-11-20 07:47:27,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:47:27,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 07:47:27,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664846285] [2019-11-20 07:47:27,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 07:47:27,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:47:27,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 07:47:27,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:47:27,461 INFO L87 Difference]: Start difference. First operand 5166 states and 5460 transitions. Second operand 4 states. [2019-11-20 07:47:28,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:28,188 INFO L93 Difference]: Finished difference Result 10330 states and 10918 transitions. [2019-11-20 07:47:28,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 07:47:28,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 993 [2019-11-20 07:47:28,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:28,200 INFO L225 Difference]: With dead ends: 10330 [2019-11-20 07:47:28,201 INFO L226 Difference]: Without dead ends: 5166 [2019-11-20 07:47:28,206 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 07:47:28,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2019-11-20 07:47:28,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 5166. [2019-11-20 07:47:28,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2019-11-20 07:47:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5441 transitions. [2019-11-20 07:47:28,279 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5441 transitions. Word has length 993 [2019-11-20 07:47:28,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:28,280 INFO L462 AbstractCegarLoop]: Abstraction has 5166 states and 5441 transitions. [2019-11-20 07:47:28,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 07:47:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5441 transitions. [2019-11-20 07:47:28,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2019-11-20 07:47:28,294 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:47:28,295 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 07:47:28,295 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:47:28,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:47:28,296 INFO L82 PathProgramCache]: Analyzing trace with hash 2022978308, now seen corresponding path program 1 times [2019-11-20 07:47:28,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:47:28,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027180014] [2019-11-20 07:47:28,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:47:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3740 backedges. 1271 proven. 0 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked. [2019-11-20 07:47:29,431 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027180014] [2019-11-20 07:47:29,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:47:29,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 07:47:29,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471715917] [2019-11-20 07:47:29,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 07:47:29,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:47:29,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 07:47:29,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:47:29,433 INFO L87 Difference]: Start difference. First operand 5166 states and 5441 transitions. Second operand 4 states. [2019-11-20 07:47:30,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:30,462 INFO L93 Difference]: Finished difference Result 10508 states and 11077 transitions. [2019-11-20 07:47:30,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 07:47:30,463 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1068 [2019-11-20 07:47:30,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:30,477 INFO L225 Difference]: With dead ends: 10508 [2019-11-20 07:47:30,477 INFO L226 Difference]: Without dead ends: 5166 [2019-11-20 07:47:30,484 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 07:47:30,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2019-11-20 07:47:30,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 4632. [2019-11-20 07:47:30,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2019-11-20 07:47:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4789 transitions. [2019-11-20 07:47:30,565 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4789 transitions. Word has length 1068 [2019-11-20 07:47:30,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:30,566 INFO L462 AbstractCegarLoop]: Abstraction has 4632 states and 4789 transitions. [2019-11-20 07:47:30,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 07:47:30,567 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4789 transitions. [2019-11-20 07:47:30,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1117 [2019-11-20 07:47:30,584 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:47:30,585 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:47:30,585 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:47:30,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:47:30,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1857606004, now seen corresponding path program 1 times [2019-11-20 07:47:30,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:47:30,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288664797] [2019-11-20 07:47:30,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:47:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:47:31,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3977 backedges. 1311 proven. 0 refuted. 0 times theorem prover too weak. 2666 trivial. 0 not checked. [2019-11-20 07:47:31,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288664797] [2019-11-20 07:47:31,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:47:31,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 07:47:31,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987205507] [2019-11-20 07:47:31,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 07:47:31,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:47:31,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 07:47:31,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 07:47:31,633 INFO L87 Difference]: Start difference. First operand 4632 states and 4789 transitions. Second operand 5 states. [2019-11-20 07:47:32,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:47:32,616 INFO L93 Difference]: Finished difference Result 10328 states and 10680 transitions. [2019-11-20 07:47:32,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 07:47:32,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1116 [2019-11-20 07:47:32,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:47:32,618 INFO L225 Difference]: With dead ends: 10328 [2019-11-20 07:47:32,618 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 07:47:32,627 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 07:47:32,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 07:47:32,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 07:47:32,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 07:47:32,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 07:47:32,627 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1116 [2019-11-20 07:47:32,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:47:32,628 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:47:32,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 07:47:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:47:32,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:47:32,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 07:47:32,864 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 166 [2019-11-20 07:47:33,061 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 166 [2019-11-20 07:47:33,670 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 39 [2019-11-20 07:47:34,448 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 39 [2019-11-20 07:47:34,452 INFO L444 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-20 07:47:34,453 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-20 07:47:34,453 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,453 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,453 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,453 INFO L444 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-20 07:47:34,453 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-20 07:47:34,453 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-20 07:47:34,453 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-20 07:47:34,453 INFO L444 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-20 07:47:34,454 INFO L444 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-20 07:47:34,454 INFO L444 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-20 07:47:34,454 INFO L444 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-20 07:47:34,454 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,454 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,454 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,454 INFO L444 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-20 07:47:34,454 INFO L444 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-20 07:47:34,454 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-20 07:47:34,454 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-20 07:47:34,455 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-20 07:47:34,455 INFO L444 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-20 07:47:34,455 INFO L444 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-20 07:47:34,455 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-20 07:47:34,455 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,455 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,455 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,455 INFO L444 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-20 07:47:34,455 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-20 07:47:34,455 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-20 07:47:34,456 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-20 07:47:34,456 INFO L444 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-20 07:47:34,456 INFO L444 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-20 07:47:34,456 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-20 07:47:34,456 INFO L444 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-20 07:47:34,456 INFO L444 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-20 07:47:34,456 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,456 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,456 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,457 INFO L444 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-20 07:47:34,457 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-20 07:47:34,457 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-20 07:47:34,457 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-20 07:47:34,457 INFO L444 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-20 07:47:34,457 INFO L444 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-20 07:47:34,457 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-20 07:47:34,457 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,457 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,457 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,457 INFO L444 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-20 07:47:34,458 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-20 07:47:34,458 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-20 07:47:34,458 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-20 07:47:34,458 INFO L444 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-20 07:47:34,458 INFO L444 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-20 07:47:34,458 INFO L444 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-20 07:47:34,458 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-20 07:47:34,458 INFO L444 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-20 07:47:34,458 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,458 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,458 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,459 INFO L444 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-20 07:47:34,459 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-20 07:47:34,459 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-20 07:47:34,459 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-20 07:47:34,459 INFO L444 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-20 07:47:34,459 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-20 07:47:34,459 INFO L444 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-20 07:47:34,459 INFO L444 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-20 07:47:34,459 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,459 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,460 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,460 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-20 07:47:34,460 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-20 07:47:34,460 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-20 07:47:34,460 INFO L444 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-20 07:47:34,460 INFO L444 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-20 07:47:34,460 INFO L444 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-20 07:47:34,460 INFO L444 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-20 07:47:34,460 INFO L444 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-20 07:47:34,460 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,461 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,461 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,461 INFO L444 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-20 07:47:34,461 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-20 07:47:34,461 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 07:47:34,461 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-20 07:47:34,461 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-20 07:47:34,461 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-20 07:47:34,461 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-20 07:47:34,461 INFO L444 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-20 07:47:34,461 INFO L444 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-20 07:47:34,462 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,462 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,462 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,462 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-20 07:47:34,462 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-20 07:47:34,462 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-20 07:47:34,462 INFO L444 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-20 07:47:34,462 INFO L444 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-20 07:47:34,462 INFO L444 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-20 07:47:34,462 INFO L444 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-20 07:47:34,463 INFO L444 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-20 07:47:34,463 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,463 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,463 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,463 INFO L444 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-20 07:47:34,463 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-20 07:47:34,463 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-20 07:47:34,463 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-20 07:47:34,463 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-20 07:47:34,463 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-20 07:47:34,463 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 07:47:34,464 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2019-11-20 07:47:34,464 INFO L444 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-20 07:47:34,464 INFO L444 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-20 07:47:34,464 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,464 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,464 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,464 INFO L444 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-20 07:47:34,467 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-20 07:47:34,468 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-20 07:47:34,468 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-20 07:47:34,468 INFO L444 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-20 07:47:34,468 INFO L444 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-20 07:47:34,468 INFO L444 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-20 07:47:34,469 INFO L444 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-20 07:47:34,469 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,469 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,469 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,469 INFO L444 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-20 07:47:34,469 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-20 07:47:34,470 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-20 07:47:34,470 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-20 07:47:34,470 INFO L444 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-20 07:47:34,470 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-20 07:47:34,470 INFO L444 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-20 07:47:34,470 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-20 07:47:34,471 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,471 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,471 INFO L444 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-20 07:47:34,471 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-20 07:47:34,471 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-20 07:47:34,471 INFO L444 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-20 07:47:34,472 INFO L444 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-20 07:47:34,472 INFO L444 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-20 07:47:34,472 INFO L444 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-20 07:47:34,472 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-20 07:47:34,472 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,472 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,473 INFO L444 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-20 07:47:34,473 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-20 07:47:34,473 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-20 07:47:34,473 INFO L444 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-20 07:47:34,473 INFO L444 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-20 07:47:34,473 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-20 07:47:34,474 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,474 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,474 INFO L440 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse0 (not (= 7 ~a15~0))) (.cse2 (< 80 ~a12~0)) (.cse6 (<= 8 ~a21~0)) (.cse5 (<= ~a12~0 95442)) (.cse7 (<= ~a12~0 80)) (.cse4 (<= ~a21~0 6)) (.cse1 (= ~a24~0 1)) (.cse3 (<= ~a15~0 8))) (or (and .cse0 .cse1 (= ~a21~0 7) .cse2) (and .cse1 (= ~a21~0 10) .cse3) (and .cse1 .cse4 .cse5) (and .cse1 .cse6 (<= ~a12~0 11)) (and .cse1 .cse3 .cse4) (and .cse7 .cse1 .cse3) (and (<= ~a21~0 8) .cse6 .cse1) (and .cse0 .cse1 .cse6 .cse2) (and .cse6 .cse1 .cse3 .cse5) (and .cse7 .cse3 .cse4) (and .cse1 .cse3 (= ~a21~0 9)))) [2019-11-20 07:47:34,475 INFO L444 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-20 07:47:34,475 INFO L444 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-20 07:47:34,475 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-20 07:47:34,475 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-20 07:47:34,475 INFO L444 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-20 07:47:34,475 INFO L444 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-20 07:47:34,476 INFO L444 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-20 07:47:34,476 INFO L444 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-20 07:47:34,476 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,476 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,476 INFO L447 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-20 07:47:34,477 INFO L444 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-20 07:47:34,477 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-20 07:47:34,477 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-20 07:47:34,477 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-20 07:47:34,477 INFO L444 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-20 07:47:34,477 INFO L444 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-20 07:47:34,477 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-20 07:47:34,478 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,478 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,478 INFO L444 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-20 07:47:34,478 INFO L444 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-20 07:47:34,478 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-20 07:47:34,478 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-20 07:47:34,479 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 07:47:34,479 INFO L444 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-20 07:47:34,479 INFO L444 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-20 07:47:34,479 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,479 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,479 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-20 07:47:34,480 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,480 INFO L444 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-20 07:47:34,480 INFO L440 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (not (= 7 ~a15~0))) (.cse2 (< 80 ~a12~0)) (.cse6 (<= 8 ~a21~0)) (.cse5 (<= ~a12~0 95442)) (.cse7 (<= ~a12~0 80)) (.cse4 (<= ~a21~0 6)) (.cse1 (= ~a24~0 1)) (.cse3 (<= ~a15~0 8))) (or (and .cse0 .cse1 (= ~a21~0 7) .cse2) (and .cse1 (= ~a21~0 10) .cse3) (and .cse1 .cse4 .cse5) (and .cse1 .cse6 (<= ~a12~0 11)) (and .cse1 .cse3 .cse4) (and .cse7 .cse1 .cse3) (and (<= ~a21~0 8) .cse6 .cse1) (and .cse0 .cse1 .cse6 .cse2) (and .cse6 .cse1 .cse3 .cse5) (and .cse7 .cse3 .cse4) (and .cse1 .cse3 (= ~a21~0 9)))) [2019-11-20 07:47:34,480 INFO L444 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-20 07:47:34,480 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-20 07:47:34,481 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-20 07:47:34,481 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-20 07:47:34,481 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-20 07:47:34,481 INFO L444 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-20 07:47:34,481 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-20 07:47:34,481 INFO L444 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-20 07:47:34,482 INFO L444 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-20 07:47:34,482 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,482 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,482 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,482 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-20 07:47:34,482 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-20 07:47:34,482 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-20 07:47:34,483 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-20 07:47:34,483 INFO L444 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-20 07:47:34,483 INFO L444 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-20 07:47:34,483 INFO L444 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-20 07:47:34,483 INFO L444 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-20 07:47:34,483 INFO L444 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-20 07:47:34,484 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,484 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,484 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,484 INFO L444 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-20 07:47:34,484 INFO L444 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-20 07:47:34,484 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-20 07:47:34,484 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-20 07:47:34,485 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 07:47:34,485 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-20 07:47:34,485 INFO L444 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-20 07:47:34,485 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-20 07:47:34,485 INFO L444 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-20 07:47:34,485 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,486 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,486 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,486 INFO L444 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-20 07:47:34,486 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-20 07:47:34,486 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-20 07:47:34,486 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-20 07:47:34,486 INFO L444 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-20 07:47:34,487 INFO L444 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-20 07:47:34,487 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-20 07:47:34,487 INFO L444 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-20 07:47:34,487 INFO L444 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-20 07:47:34,487 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,487 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,488 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-20 07:47:34,488 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-20 07:47:34,488 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-20 07:47:34,488 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-20 07:47:34,488 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-20 07:47:34,488 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-20 07:47:34,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:47:34 BoogieIcfgContainer [2019-11-20 07:47:34,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:47:34,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:47:34,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:47:34,533 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:47:34,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:46:57" (3/4) ... [2019-11-20 07:47:34,538 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:47:34,583 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 07:47:34,584 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 07:47:34,782 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7d7f022c-4dc9-4f5b-ab82-120721bc0a9e/bin/uautomizer/witness.graphml [2019-11-20 07:47:34,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:47:34,784 INFO L168 Benchmark]: Toolchain (without parser) took 39495.36 ms. Allocated memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: 2.4 GB). Free memory was 944.7 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 99.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:47:34,785 INFO L168 Benchmark]: CDTParser took 0.23 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 07:47:34,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -123.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-20 07:47:34,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-11-20 07:47:34,786 INFO L168 Benchmark]: Boogie Preprocessor took 96.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:47:34,786 INFO L168 Benchmark]: RCFGBuilder took 1367.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 920.3 MB in the end (delta: 126.6 MB). Peak memory consumption was 126.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:47:34,787 INFO L168 Benchmark]: TraceAbstraction took 36922.79 ms. Allocated memory was 1.1 GB in the beginning and 3.5 GB in the end (delta: 2.3 GB). Free memory was 920.3 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2019-11-20 07:47:34,787 INFO L168 Benchmark]: Witness Printer took 250.34 ms. Allocated memory is still 3.5 GB. Free memory was 3.4 GB in the beginning and 3.3 GB in the end (delta: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 11.5 GB. [2019-11-20 07:47:34,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 743.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -123.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 96.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1367.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 920.3 MB in the end (delta: 126.6 MB). Peak memory consumption was 126.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36922.79 ms. Allocated memory was 1.1 GB in the beginning and 3.5 GB in the end (delta: 2.3 GB). Free memory was 920.3 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 250.34 ms. Allocated memory is still 3.5 GB. Free memory was 3.4 GB in the beginning and 3.3 GB in the end (delta: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: ((((((((((((!(7 == a15) && a24 == 1) && a21 == 7) && 80 < a12) || ((a24 == 1 && a21 == 10) && a15 <= 8)) || ((a24 == 1 && a21 <= 6) && a12 <= 95442)) || ((a24 == 1 && 8 <= a21) && a12 <= 11)) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || ((a12 <= 80 && a24 == 1) && a15 <= 8)) || ((a21 <= 8 && 8 <= a21) && a24 == 1)) || (((!(7 == a15) && a24 == 1) && 8 <= a21) && 80 < a12)) || (((8 <= a21 && a24 == 1) && a15 <= 8) && a12 <= 95442)) || ((a12 <= 80 && a15 <= 8) && a21 <= 6)) || ((a24 == 1 && a15 <= 8) && a21 == 9) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((((((!(7 == a15) && a24 == 1) && a21 == 7) && 80 < a12) || ((a24 == 1 && a21 == 10) && a15 <= 8)) || ((a24 == 1 && a21 <= 6) && a12 <= 95442)) || ((a24 == 1 && 8 <= a21) && a12 <= 11)) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || ((a12 <= 80 && a24 == 1) && a15 <= 8)) || ((a21 <= 8 && 8 <= a21) && a24 == 1)) || (((!(7 == a15) && a24 == 1) && 8 <= a21) && 80 < a12)) || (((8 <= a21 && a24 == 1) && a15 <= 8) && a12 <= 95442)) || ((a12 <= 80 && a15 <= 8) && a21 <= 6)) || ((a24 == 1 && a15 <= 8) && a21 == 9) - 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: 36.8s, OverallIterations: 14, TraceHistogramMax: 10, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, HoareTripleCheckerStatistics: 1012 SDtfs, 5265 SDslu, 172 SDs, 0 SdLazy, 12974 SolverSat, 2275 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3731 GetRequests, 3652 SyntacticMatches, 5 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5166occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 4056 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 86 NumberOfFragments, 245 HoareAnnotationTreeSize, 3 FomulaSimplifications, 12466 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 7454 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 12287 NumberOfCodeBlocks, 12287 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 12266 ConstructedInterpolants, 0 QuantifiedInterpolants, 23991815 SizeOfPredicates, 18 NumberOfNonLiveVariables, 4566 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 21 InterpolantComputations, 12 PerfectInterpolantSequences, 27460/27806 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...