./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/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 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:59:04,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:04,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:04,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:04,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:04,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:04,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:04,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:04,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:04,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:04,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:04,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:04,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:04,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:04,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:04,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:04,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:04,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:04,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:04,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:04,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:04,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:04,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:04,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:04,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:04,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:04,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:04,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:04,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:04,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:04,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:04,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:04,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:04,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:04,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:04,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:04,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:04,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:04,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:04,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:04,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:04,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:59:04,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:04,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:04,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:04,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:04,212 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:04,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:04,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:04,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:04,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:04,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:04,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:59:04,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:04,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:59:04,214 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:04,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:04,214 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:04,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:59:04,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:04,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:04,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:04,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:04,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:04,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:04,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:04,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:59:04,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:04,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:59:04,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:59:04,217 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/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/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 -> 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 [2019-10-22 08:59:04,246 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:04,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:04,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:04,267 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:04,267 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:04,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c [2019-10-22 08:59:04,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/bin/uautomizer/data/660f5585c/ac3242ca296d4611a59ee26d3f99310c/FLAGb9a399a18 [2019-10-22 08:59:04,748 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:04,749 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/sv-benchmarks/c/eca-rers2012/Problem14_label17.c [2019-10-22 08:59:04,759 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/bin/uautomizer/data/660f5585c/ac3242ca296d4611a59ee26d3f99310c/FLAGb9a399a18 [2019-10-22 08:59:04,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/bin/uautomizer/data/660f5585c/ac3242ca296d4611a59ee26d3f99310c [2019-10-22 08:59:04,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:04,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:04,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:04,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:04,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:04,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:04" (1/1) ... [2019-10-22 08:59:04,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f763e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:04, skipping insertion in model container [2019-10-22 08:59:04,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:04" (1/1) ... [2019-10-22 08:59:04,801 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:04,849 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:05,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:05,277 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:05,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:05,403 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:05,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:05 WrapperNode [2019-10-22 08:59:05,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:05,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:05,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:05,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:05,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:05" (1/1) ... [2019-10-22 08:59:05,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:05" (1/1) ... [2019-10-22 08:59:05,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:05,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:05,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:05,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:05,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:05" (1/1) ... [2019-10-22 08:59:05,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:05" (1/1) ... [2019-10-22 08:59:05,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:05" (1/1) ... [2019-10-22 08:59:05,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:05" (1/1) ... [2019-10-22 08:59:05,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:05" (1/1) ... [2019-10-22 08:59:05,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:05" (1/1) ... [2019-10-22 08:59:05,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:05" (1/1) ... [2019-10-22 08:59:05,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:05,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:05,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:05,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:05,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/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 [2019-10-22 08:59:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:06,936 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:06,936 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:59:06,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:06 BoogieIcfgContainer [2019-10-22 08:59:06,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:06,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:59:06,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:59:06,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:59:06,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:59:04" (1/3) ... [2019-10-22 08:59:06,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64741f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:06, skipping insertion in model container [2019-10-22 08:59:06,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:05" (2/3) ... [2019-10-22 08:59:06,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64741f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:06, skipping insertion in model container [2019-10-22 08:59:06,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:06" (3/3) ... [2019-10-22 08:59:06,947 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label17.c [2019-10-22 08:59:06,956 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:59:06,963 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:59:06,973 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:59:06,999 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:59:06,999 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:59:06,999 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:59:07,000 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:07,000 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:07,000 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:59:07,000 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:07,000 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:59:07,021 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-10-22 08:59:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 08:59:07,032 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:07,033 INFO L380 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] [2019-10-22 08:59:07,034 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:07,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:07,039 INFO L82 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2019-10-22 08:59:07,047 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:07,047 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458643782] [2019-10-22 08:59:07,048 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:07,048 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:07,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:07,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:07,316 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458643782] [2019-10-22 08:59:07,317 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:07,318 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:07,319 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747654379] [2019-10-22 08:59:07,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:59:07,323 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:07,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:59:07,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:07,338 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-10-22 08:59:08,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:08,887 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-10-22 08:59:08,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:59:08,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2019-10-22 08:59:08,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:08,904 INFO L225 Difference]: With dead ends: 850 [2019-10-22 08:59:08,904 INFO L226 Difference]: Without dead ends: 538 [2019-10-22 08:59:08,907 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:08,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-10-22 08:59:08,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-10-22 08:59:08,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-10-22 08:59:08,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 796 transitions. [2019-10-22 08:59:08,969 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 796 transitions. Word has length 56 [2019-10-22 08:59:08,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:08,969 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 796 transitions. [2019-10-22 08:59:08,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:59:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 796 transitions. [2019-10-22 08:59:08,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-22 08:59:08,973 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:08,973 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 08:59:08,973 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:08,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:08,973 INFO L82 PathProgramCache]: Analyzing trace with hash 448247055, now seen corresponding path program 1 times [2019-10-22 08:59:08,974 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:08,974 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464820752] [2019-10-22 08:59:08,974 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:08,974 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:08,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:09,166 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464820752] [2019-10-22 08:59:09,166 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:09,166 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:09,166 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180799032] [2019-10-22 08:59:09,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:09,168 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:09,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:09,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:09,169 INFO L87 Difference]: Start difference. First operand 538 states and 796 transitions. Second operand 3 states. [2019-10-22 08:59:09,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:09,858 INFO L93 Difference]: Finished difference Result 1608 states and 2383 transitions. [2019-10-22 08:59:09,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:09,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-22 08:59:09,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:09,862 INFO L225 Difference]: With dead ends: 1608 [2019-10-22 08:59:09,862 INFO L226 Difference]: Without dead ends: 1072 [2019-10-22 08:59:09,865 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:09,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2019-10-22 08:59:09,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2019-10-22 08:59:09,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2019-10-22 08:59:09,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1462 transitions. [2019-10-22 08:59:09,902 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1462 transitions. Word has length 131 [2019-10-22 08:59:09,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:09,903 INFO L462 AbstractCegarLoop]: Abstraction has 1072 states and 1462 transitions. [2019-10-22 08:59:09,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1462 transitions. [2019-10-22 08:59:09,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-22 08:59:09,910 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:09,910 INFO L380 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:09,910 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:09,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:09,911 INFO L82 PathProgramCache]: Analyzing trace with hash -583227099, now seen corresponding path program 1 times [2019-10-22 08:59:09,911 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:09,911 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383937522] [2019-10-22 08:59:09,911 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:09,911 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:09,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-22 08:59:10,022 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383937522] [2019-10-22 08:59:10,022 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:10,023 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:10,023 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139262280] [2019-10-22 08:59:10,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:59:10,025 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:10,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:59:10,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:10,025 INFO L87 Difference]: Start difference. First operand 1072 states and 1462 transitions. Second operand 4 states. [2019-10-22 08:59:11,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:11,075 INFO L93 Difference]: Finished difference Result 3566 states and 4948 transitions. [2019-10-22 08:59:11,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:59:11,076 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 199 [2019-10-22 08:59:11,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:11,085 INFO L225 Difference]: With dead ends: 3566 [2019-10-22 08:59:11,085 INFO L226 Difference]: Without dead ends: 2496 [2019-10-22 08:59:11,087 INFO L600 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 [2019-10-22 08:59:11,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2019-10-22 08:59:11,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318. [2019-10-22 08:59:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2019-10-22 08:59:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2948 transitions. [2019-10-22 08:59:11,137 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2948 transitions. Word has length 199 [2019-10-22 08:59:11,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:11,138 INFO L462 AbstractCegarLoop]: Abstraction has 2318 states and 2948 transitions. [2019-10-22 08:59:11,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:59:11,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2948 transitions. [2019-10-22 08:59:11,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-10-22 08:59:11,149 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:11,150 INFO L380 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:11,150 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:11,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:11,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1937191044, now seen corresponding path program 1 times [2019-10-22 08:59:11,150 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:11,153 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808580413] [2019-10-22 08:59:11,153 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:11,153 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:11,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 08:59:11,425 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808580413] [2019-10-22 08:59:11,425 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19318233] [2019-10-22 08:59:11,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/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 [2019-10-22 08:59:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:11,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 08:59:11,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 08:59:11,595 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:59:11,596 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-10-22 08:59:11,596 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484698271] [2019-10-22 08:59:11,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:59:11,596 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:11,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:59:11,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:59:11,597 INFO L87 Difference]: Start difference. First operand 2318 states and 2948 transitions. Second operand 4 states. [2019-10-22 08:59:12,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:12,386 INFO L93 Difference]: Finished difference Result 4692 states and 5982 transitions. [2019-10-22 08:59:12,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:59:12,387 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 244 [2019-10-22 08:59:12,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:12,393 INFO L225 Difference]: With dead ends: 4692 [2019-10-22 08:59:12,394 INFO L226 Difference]: Without dead ends: 2496 [2019-10-22 08:59:12,396 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 243 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:59:12,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2019-10-22 08:59:12,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318. [2019-10-22 08:59:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2019-10-22 08:59:12,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2563 transitions. [2019-10-22 08:59:12,436 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2563 transitions. Word has length 244 [2019-10-22 08:59:12,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:12,436 INFO L462 AbstractCegarLoop]: Abstraction has 2318 states and 2563 transitions. [2019-10-22 08:59:12,436 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:59:12,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2563 transitions. [2019-10-22 08:59:12,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-10-22 08:59:12,439 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:12,439 INFO L380 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:12,640 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:12,641 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:12,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:12,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1316606823, now seen corresponding path program 1 times [2019-10-22 08:59:12,641 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:12,641 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982369310] [2019-10-22 08:59:12,641 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:12,642 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:12,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 284 proven. 65 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-22 08:59:13,194 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982369310] [2019-10-22 08:59:13,194 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308015648] [2019-10-22 08:59:13,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/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 [2019-10-22 08:59:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:13,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:59:13,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:13,350 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-10-22 08:59:13,350 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:59:13,351 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-10-22 08:59:13,351 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160467430] [2019-10-22 08:59:13,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:13,353 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:13,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:13,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:13,353 INFO L87 Difference]: Start difference. First operand 2318 states and 2563 transitions. Second operand 3 states. [2019-10-22 08:59:13,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:13,884 INFO L93 Difference]: Finished difference Result 5346 states and 5996 transitions. [2019-10-22 08:59:13,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:13,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 339 [2019-10-22 08:59:13,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:13,897 INFO L225 Difference]: With dead ends: 5346 [2019-10-22 08:59:13,897 INFO L226 Difference]: Without dead ends: 3208 [2019-10-22 08:59:13,899 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 338 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:13,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2019-10-22 08:59:13,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3208. [2019-10-22 08:59:13,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2019-10-22 08:59:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3578 transitions. [2019-10-22 08:59:13,959 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3578 transitions. Word has length 339 [2019-10-22 08:59:13,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:13,960 INFO L462 AbstractCegarLoop]: Abstraction has 3208 states and 3578 transitions. [2019-10-22 08:59:13,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3578 transitions. [2019-10-22 08:59:13,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2019-10-22 08:59:13,967 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:13,967 INFO L380 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:14,168 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:14,168 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:14,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:14,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1112080365, now seen corresponding path program 1 times [2019-10-22 08:59:14,169 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:14,169 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661048663] [2019-10-22 08:59:14,169 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:14,169 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:14,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 431 proven. 65 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2019-10-22 08:59:14,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661048663] [2019-10-22 08:59:14,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451000461] [2019-10-22 08:59:14,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/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 [2019-10-22 08:59:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:14,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 08:59:14,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 468 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2019-10-22 08:59:14,991 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:59:14,991 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2019-10-22 08:59:14,991 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129376697] [2019-10-22 08:59:14,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:59:14,992 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:14,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:59:14,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:59:14,993 INFO L87 Difference]: Start difference. First operand 3208 states and 3578 transitions. Second operand 4 states. [2019-10-22 08:59:15,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:15,768 INFO L93 Difference]: Finished difference Result 7668 states and 8599 transitions. [2019-10-22 08:59:15,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:59:15,773 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 417 [2019-10-22 08:59:15,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:15,783 INFO L225 Difference]: With dead ends: 7668 [2019-10-22 08:59:15,783 INFO L226 Difference]: Without dead ends: 4454 [2019-10-22 08:59:15,787 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 416 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:59:15,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2019-10-22 08:59:15,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4098. [2019-10-22 08:59:15,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2019-10-22 08:59:15,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4544 transitions. [2019-10-22 08:59:15,850 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4544 transitions. Word has length 417 [2019-10-22 08:59:15,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:15,851 INFO L462 AbstractCegarLoop]: Abstraction has 4098 states and 4544 transitions. [2019-10-22 08:59:15,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:59:15,851 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4544 transitions. [2019-10-22 08:59:15,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-10-22 08:59:15,859 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:15,859 INFO L380 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:16,060 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:16,060 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:16,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:16,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1492463541, now seen corresponding path program 1 times [2019-10-22 08:59:16,061 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:16,061 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666604402] [2019-10-22 08:59:16,061 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:16,061 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:16,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:16,597 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 443 proven. 65 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2019-10-22 08:59:16,597 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666604402] [2019-10-22 08:59:16,597 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432602184] [2019-10-22 08:59:16,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/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 [2019-10-22 08:59:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:16,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:59:16,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2019-10-22 08:59:16,781 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:59:16,781 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-10-22 08:59:16,782 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696129478] [2019-10-22 08:59:16,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:16,782 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:16,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:16,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:16,783 INFO L87 Difference]: Start difference. First operand 4098 states and 4544 transitions. Second operand 3 states. [2019-10-22 08:59:17,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:17,304 INFO L93 Difference]: Finished difference Result 8016 states and 8907 transitions. [2019-10-22 08:59:17,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:17,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 429 [2019-10-22 08:59:17,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:17,314 INFO L225 Difference]: With dead ends: 8016 [2019-10-22 08:59:17,315 INFO L226 Difference]: Without dead ends: 3742 [2019-10-22 08:59:17,318 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 428 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:17,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2019-10-22 08:59:17,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 2852. [2019-10-22 08:59:17,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2019-10-22 08:59:17,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3063 transitions. [2019-10-22 08:59:17,356 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3063 transitions. Word has length 429 [2019-10-22 08:59:17,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:17,357 INFO L462 AbstractCegarLoop]: Abstraction has 2852 states and 3063 transitions. [2019-10-22 08:59:17,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:17,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3063 transitions. [2019-10-22 08:59:17,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2019-10-22 08:59:17,367 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:17,367 INFO L380 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:17,568 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:17,568 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:17,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:17,569 INFO L82 PathProgramCache]: Analyzing trace with hash 838146228, now seen corresponding path program 1 times [2019-10-22 08:59:17,569 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:17,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746850100] [2019-10-22 08:59:17,569 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:17,569 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:17,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:18,178 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 458 proven. 65 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-22 08:59:18,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746850100] [2019-10-22 08:59:18,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067659085] [2019-10-22 08:59:18,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/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 [2019-10-22 08:59:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:18,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:59:18,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2019-10-22 08:59:18,393 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:59:18,394 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-10-22 08:59:18,394 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839117709] [2019-10-22 08:59:18,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:18,395 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:18,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:18,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:18,395 INFO L87 Difference]: Start difference. First operand 2852 states and 3063 transitions. Second operand 3 states. [2019-10-22 08:59:18,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:18,807 INFO L93 Difference]: Finished difference Result 3210 states and 3431 transitions. [2019-10-22 08:59:18,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:18,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 477 [2019-10-22 08:59:18,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:18,815 INFO L225 Difference]: With dead ends: 3210 [2019-10-22 08:59:18,815 INFO L226 Difference]: Without dead ends: 3208 [2019-10-22 08:59:18,816 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 476 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:18,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2019-10-22 08:59:18,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2852. [2019-10-22 08:59:18,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2019-10-22 08:59:18,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3063 transitions. [2019-10-22 08:59:18,853 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3063 transitions. Word has length 477 [2019-10-22 08:59:18,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:18,854 INFO L462 AbstractCegarLoop]: Abstraction has 2852 states and 3063 transitions. [2019-10-22 08:59:18,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:18,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3063 transitions. [2019-10-22 08:59:18,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2019-10-22 08:59:18,867 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:18,867 INFO L380 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:19,067 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:19,068 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:19,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:19,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1796043308, now seen corresponding path program 1 times [2019-10-22 08:59:19,068 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:19,068 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663711671] [2019-10-22 08:59:19,068 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:19,068 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:19,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 458 proven. 65 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-22 08:59:19,629 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663711671] [2019-10-22 08:59:19,629 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143596285] [2019-10-22 08:59:19,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/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 [2019-10-22 08:59:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:19,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-22 08:59:19,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 555 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2019-10-22 08:59:19,961 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:59:19,961 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2019-10-22 08:59:19,961 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869083833] [2019-10-22 08:59:19,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:59:19,962 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:19,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:59:19,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:59:19,963 INFO L87 Difference]: Start difference. First operand 2852 states and 3063 transitions. Second operand 7 states. [2019-10-22 08:59:20,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:20,549 INFO L93 Difference]: Finished difference Result 5574 states and 5994 transitions. [2019-10-22 08:59:20,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:59:20,549 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 486 [2019-10-22 08:59:20,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:20,554 INFO L225 Difference]: With dead ends: 5574 [2019-10-22 08:59:20,554 INFO L226 Difference]: Without dead ends: 3030 [2019-10-22 08:59:20,557 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 481 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:59:20,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2019-10-22 08:59:20,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2019-10-22 08:59:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2019-10-22 08:59:20,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3020 transitions. [2019-10-22 08:59:20,592 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3020 transitions. Word has length 486 [2019-10-22 08:59:20,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:20,593 INFO L462 AbstractCegarLoop]: Abstraction has 2852 states and 3020 transitions. [2019-10-22 08:59:20,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:59:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3020 transitions. [2019-10-22 08:59:20,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2019-10-22 08:59:20,602 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:20,602 INFO L380 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:20,802 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:20,803 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:20,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:20,803 INFO L82 PathProgramCache]: Analyzing trace with hash 23281686, now seen corresponding path program 1 times [2019-10-22 08:59:20,803 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:20,803 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901262035] [2019-10-22 08:59:20,804 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:20,804 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:20,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:21,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 825 proven. 4 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2019-10-22 08:59:21,463 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901262035] [2019-10-22 08:59:21,463 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885999957] [2019-10-22 08:59:21,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/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 [2019-10-22 08:59:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:21,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-22 08:59:21,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:21,594 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:59:22,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 806 proven. 23 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2019-10-22 08:59:22,058 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:59:22,059 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2019-10-22 08:59:22,059 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373273774] [2019-10-22 08:59:22,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:59:22,060 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:22,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:59:22,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:22,060 INFO L87 Difference]: Start difference. First operand 2852 states and 3020 transitions. Second operand 8 states. [2019-10-22 08:59:23,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:23,418 INFO L93 Difference]: Finished difference Result 5560 states and 5895 transitions. [2019-10-22 08:59:23,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 08:59:23,419 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 688 [2019-10-22 08:59:23,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:23,426 INFO L225 Difference]: With dead ends: 5560 [2019-10-22 08:59:23,426 INFO L226 Difference]: Without dead ends: 2888 [2019-10-22 08:59:23,428 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 685 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:59:23,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2019-10-22 08:59:23,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2674. [2019-10-22 08:59:23,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-10-22 08:59:23,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2836 transitions. [2019-10-22 08:59:23,469 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2836 transitions. Word has length 688 [2019-10-22 08:59:23,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:23,469 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 2836 transitions. [2019-10-22 08:59:23,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:59:23,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2836 transitions. [2019-10-22 08:59:23,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 907 [2019-10-22 08:59:23,477 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:23,477 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:23,679 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:23,679 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:23,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:23,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1141387390, now seen corresponding path program 1 times [2019-10-22 08:59:23,680 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:23,680 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025643137] [2019-10-22 08:59:23,680 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:23,680 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:23,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2514 backedges. 1741 proven. 0 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2019-10-22 08:59:24,887 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025643137] [2019-10-22 08:59:24,887 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:24,887 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:59:24,887 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110273977] [2019-10-22 08:59:24,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:59:24,888 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:24,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:59:24,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:24,888 INFO L87 Difference]: Start difference. First operand 2674 states and 2836 transitions. Second operand 8 states. [2019-10-22 08:59:25,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:25,736 INFO L93 Difference]: Finished difference Result 5174 states and 5497 transitions. [2019-10-22 08:59:25,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:59:25,737 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 906 [2019-10-22 08:59:25,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:25,742 INFO L225 Difference]: With dead ends: 5174 [2019-10-22 08:59:25,743 INFO L226 Difference]: Without dead ends: 2680 [2019-10-22 08:59:25,744 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:59:25,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2019-10-22 08:59:25,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2674. [2019-10-22 08:59:25,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-10-22 08:59:25,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2831 transitions. [2019-10-22 08:59:25,772 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2831 transitions. Word has length 906 [2019-10-22 08:59:25,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:25,773 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 2831 transitions. [2019-10-22 08:59:25,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:59:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2831 transitions. [2019-10-22 08:59:25,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 933 [2019-10-22 08:59:25,780 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:25,781 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:25,781 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:25,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:25,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1439738851, now seen corresponding path program 1 times [2019-10-22 08:59:25,781 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:25,782 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754375545] [2019-10-22 08:59:25,782 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:25,782 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:25,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:26,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 1906 proven. 155 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2019-10-22 08:59:26,460 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754375545] [2019-10-22 08:59:26,461 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668417753] [2019-10-22 08:59:26,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:26,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 08:59:26,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:27,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 1906 proven. 155 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2019-10-22 08:59:27,214 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:59:27,214 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2019-10-22 08:59:27,214 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729036968] [2019-10-22 08:59:27,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:27,216 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:27,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:27,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:27,217 INFO L87 Difference]: Start difference. First operand 2674 states and 2831 transitions. Second operand 5 states. [2019-10-22 08:59:28,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:28,154 INFO L93 Difference]: Finished difference Result 6056 states and 6417 transitions. [2019-10-22 08:59:28,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:59:28,155 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 932 [2019-10-22 08:59:28,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:28,157 INFO L225 Difference]: With dead ends: 6056 [2019-10-22 08:59:28,157 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:59:28,160 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 937 GetRequests, 934 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:28,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:59:28,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:59:28,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:59:28,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:59:28,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 932 [2019-10-22 08:59:28,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:28,162 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:28,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:28,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:59:28,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:59:28,363 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:28,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:59:28,794 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2019-10-22 08:59:29,060 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2019-10-22 08:59:29,063 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-10-22 08:59:29,063 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-10-22 08:59:29,064 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,064 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,064 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,064 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-10-22 08:59:29,064 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-22 08:59:29,064 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-22 08:59:29,064 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-22 08:59:29,064 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-10-22 08:59:29,064 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-10-22 08:59:29,064 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-10-22 08:59:29,064 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-10-22 08:59:29,064 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,064 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-22 08:59:29,065 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-22 08:59:29,066 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-10-22 08:59:29,069 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-10-22 08:59:29,069 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-10-22 08:59:29,069 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,070 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-10-22 08:59:29,071 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-10-22 08:59:29,072 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,073 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-22 08:59:29,074 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-22 08:59:29,076 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-22 08:59:29,076 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-10-22 08:59:29,076 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-10-22 08:59:29,076 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-10-22 08:59:29,076 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-10-22 08:59:29,076 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-22 08:59:29,077 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 08:59:29,078 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-10-22 08:59:29,078 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-10-22 08:59:29,078 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-10-22 08:59:29,078 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-10-22 08:59:29,078 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-10-22 08:59:29,078 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,078 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,078 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-10-22 08:59:29,078 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-22 08:59:29,078 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-22 08:59:29,078 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-10-22 08:59:29,078 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-10-22 08:59:29,078 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-10-22 08:59:29,079 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,079 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,080 INFO L439 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse1 (<= ~a15~0 7)) (.cse2 (or (<= (+ ~a12~0 43) 0) (< 11 ~a12~0))) (.cse0 (= ~a24~0 1))) (or (and (not (= 5 ULTIMATE.start_calculate_output_~input)) (= 8 ~a15~0) .cse0 (<= ~a12~0 11)) (and (not (= ~a21~0 9)) .cse0) (and (<= ~a12~0 80) .cse1 .cse0) (and .cse2 .cse0 (<= 9 ~a15~0)) (or (and .cse1 (<= (+ ~a12~0 49) 0)) (and .cse0 (and .cse1 (<= 6 ~a15~0)))) (and (<= ~a12~0 76) .cse2 .cse0))) [2019-10-22 08:59:29,081 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-10-22 08:59:29,081 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-10-22 08:59:29,081 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 08:59:29,081 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-22 08:59:29,081 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-10-22 08:59:29,081 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-10-22 08:59:29,081 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-10-22 08:59:29,081 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-10-22 08:59:29,081 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,082 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,082 INFO L446 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-10-22 08:59:29,082 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-10-22 08:59:29,082 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-10-22 08:59:29,082 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 08:59:29,082 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-22 08:59:29,082 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-10-22 08:59:29,082 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-10-22 08:59:29,082 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-10-22 08:59:29,082 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,082 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,082 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-10-22 08:59:29,082 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-10-22 08:59:29,082 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-22 08:59:29,083 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-22 08:59:29,083 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:59:29,083 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-10-22 08:59:29,083 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-10-22 08:59:29,083 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,083 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,083 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-22 08:59:29,083 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,083 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-10-22 08:59:29,084 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (<= ~a15~0 7)) (.cse2 (or (<= (+ ~a12~0 43) 0) (< 11 ~a12~0))) (.cse0 (= ~a24~0 1))) (or (and (not (= 5 ULTIMATE.start_calculate_output_~input)) (= 8 ~a15~0) .cse0 (<= ~a12~0 11)) (and (not (= ~a21~0 9)) .cse0) (and (<= ~a12~0 80) .cse1 .cse0) (and .cse2 .cse0 (<= 9 ~a15~0)) (or (and .cse1 (<= (+ ~a12~0 49) 0)) (and .cse0 (and .cse1 (<= 6 ~a15~0)))) (and (<= ~a12~0 76) .cse2 .cse0))) [2019-10-22 08:59:29,085 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-10-22 08:59:29,085 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-10-22 08:59:29,085 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-22 08:59:29,085 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-22 08:59:29,085 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-22 08:59:29,085 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-10-22 08:59:29,085 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-10-22 08:59:29,085 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-10-22 08:59:29,085 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-10-22 08:59:29,085 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,085 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-10-22 08:59:29,086 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-22 08:59:29,087 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-10-22 08:59:29,088 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-10-22 08:59:29,088 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-10-22 08:59:29,088 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-10-22 08:59:29,088 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-10-22 08:59:29,088 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,088 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,088 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:59:29,088 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-10-22 08:59:29,088 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-22 08:59:29,088 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 08:59:29,088 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-22 08:59:29,088 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-10-22 08:59:29,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:59:29 BoogieIcfgContainer [2019-10-22 08:59:29,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:59:29,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:29,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:29,111 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:29,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:06" (3/4) ... [2019-10-22 08:59:29,115 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:59:29,134 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:59:29,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:59:29,294 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aea6071d-c260-40ef-a228-cf908943acd9/bin/uautomizer/witness.graphml [2019-10-22 08:59:29,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:29,295 INFO L168 Benchmark]: Toolchain (without parser) took 24511.51 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 939.2 MB in the beginning and 1.3 GB in the end (delta: -386.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2019-10-22 08:59:29,296 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:29,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:29,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:29,296 INFO L168 Benchmark]: Boogie Preprocessor took 72.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:29,297 INFO L168 Benchmark]: RCFGBuilder took 1383.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.3 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:29,297 INFO L168 Benchmark]: TraceAbstraction took 22170.36 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 967.3 MB in the beginning and 1.3 GB in the end (delta: -369.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2019-10-22 08:59:29,297 INFO L168 Benchmark]: Witness Printer took 184.59 ms. Allocated memory is still 2.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:29,299 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 618.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1383.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.3 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22170.36 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 967.3 MB in the beginning and 1.3 GB in the end (delta: -369.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 184.59 ms. Allocated memory is still 2.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: 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: (((((((!(5 == input) && 8 == a15) && a24 == 1) && a12 <= 11) || (!(a21 == 9) && a24 == 1)) || ((a12 <= 80 && a15 <= 7) && a24 == 1)) || (((a12 + 43 <= 0 || 11 < a12) && a24 == 1) && 9 <= a15)) || (a15 <= 7 && a12 + 49 <= 0) || (a24 == 1 && a15 <= 7 && 6 <= a15)) || ((a12 <= 76 && (a12 + 43 <= 0 || 11 < a12)) && a24 == 1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((!(5 == input) && 8 == a15) && a24 == 1) && a12 <= 11) || (!(a21 == 9) && a24 == 1)) || ((a12 <= 80 && a15 <= 7) && a24 == 1)) || (((a12 + 43 <= 0 || 11 < a12) && a24 == 1) && 9 <= a15)) || (a15 <= 7 && a12 + 49 <= 0) || (a24 == 1 && a15 <= 7 && 6 <= a15)) || ((a12 <= 76 && (a12 + 43 <= 0 || 11 < a12)) && a24 == 1) - 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: 22.0s, OverallIterations: 12, TraceHistogramMax: 8, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 838 SDtfs, 2863 SDslu, 149 SDs, 0 SdLazy, 10051 SolverSat, 1161 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4079 GetRequests, 4005 SyntacticMatches, 9 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4098occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 2356 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 60 NumberOfFragments, 173 HoareAnnotationTreeSize, 3 FomulaSimplifications, 12610 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1544 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 9316 NumberOfCodeBlocks, 9316 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 9296 ConstructedInterpolants, 0 QuantifiedInterpolants, 19525168 SizeOfPredicates, 17 NumberOfNonLiveVariables, 5044 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 16681/17347 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...