./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c -s /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fbfe8dec550fadf4da01fadd46005a09263b3b04 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:19:40,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:19:40,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:19:40,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:19:40,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:19:40,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:19:40,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:19:40,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:19:40,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:19:40,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:19:40,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:19:40,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:19:40,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:19:40,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:19:40,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:19:40,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:19:40,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:19:40,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:19:40,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:19:40,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:19:40,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:19:40,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:19:40,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:19:40,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:19:40,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:19:40,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:19:40,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:19:40,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:19:40,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:19:40,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:19:40,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:19:40,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:19:40,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:19:40,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:19:40,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:19:40,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:19:40,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:19:40,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:19:40,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:19:40,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:19:40,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:19:40,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:19:40,260 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:19:40,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:19:40,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:19:40,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:19:40,275 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:19:40,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:19:40,276 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:19:40,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:19:40,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:19:40,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:19:40,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:19:40,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:19:40,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:19:40,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:19:40,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:19:40,278 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:19:40,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:19:40,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:19:40,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:19:40,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:19:40,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:19:40,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:19:40,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:19:40,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:19:40,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:19:40,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:19:40,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:19:40,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:19:40,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbfe8dec550fadf4da01fadd46005a09263b3b04 [2019-11-16 00:19:40,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:19:40,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:19:40,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:19:40,330 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:19:40,330 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:19:40,331 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-16 00:19:40,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer/data/588b77447/2337a9c231254216a966c1025d4c5599/FLAG40919e300 [2019-11-16 00:19:40,914 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:19:40,914 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-16 00:19:40,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer/data/588b77447/2337a9c231254216a966c1025d4c5599/FLAG40919e300 [2019-11-16 00:19:41,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer/data/588b77447/2337a9c231254216a966c1025d4c5599 [2019-11-16 00:19:41,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:19:41,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:19:41,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:19:41,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:19:41,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:19:41,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:19:41" (1/1) ... [2019-11-16 00:19:41,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226dc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:41, skipping insertion in model container [2019-11-16 00:19:41,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:19:41" (1/1) ... [2019-11-16 00:19:41,280 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:19:41,349 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:19:41,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:19:41,880 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:19:42,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:19:42,058 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:19:42,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:42 WrapperNode [2019-11-16 00:19:42,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:19:42,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:19:42,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:19:42,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:19:42,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:42" (1/1) ... [2019-11-16 00:19:42,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:42" (1/1) ... [2019-11-16 00:19:42,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:19:42,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:19:42,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:19:42,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:19:42,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:42" (1/1) ... [2019-11-16 00:19:42,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:42" (1/1) ... [2019-11-16 00:19:42,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:42" (1/1) ... [2019-11-16 00:19:42,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:42" (1/1) ... [2019-11-16 00:19:42,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:42" (1/1) ... [2019-11-16 00:19:42,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:42" (1/1) ... [2019-11-16 00:19:42,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:42" (1/1) ... [2019-11-16 00:19:42,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:19:42,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:19:42,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:19:42,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:19:42,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:19:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:19:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:19:43,765 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:19:43,766 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-16 00:19:43,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:19:43 BoogieIcfgContainer [2019-11-16 00:19:43,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:19:43,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:19:43,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:19:43,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:19:43,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:19:41" (1/3) ... [2019-11-16 00:19:43,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476e1380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:19:43, skipping insertion in model container [2019-11-16 00:19:43,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:42" (2/3) ... [2019-11-16 00:19:43,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476e1380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:19:43, skipping insertion in model container [2019-11-16 00:19:43,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:19:43" (3/3) ... [2019-11-16 00:19:43,780 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label04.c [2019-11-16 00:19:43,791 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:19:43,800 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:19:43,812 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:19:43,857 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:19:43,857 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:19:43,857 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:19:43,857 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:19:43,857 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:19:43,858 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:19:43,859 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:19:43,859 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:19:43,889 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-16 00:19:43,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-16 00:19:43,912 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:43,913 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:43,915 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:19:43,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:43,922 INFO L82 PathProgramCache]: Analyzing trace with hash 585738029, now seen corresponding path program 1 times [2019-11-16 00:19:43,931 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:43,931 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718336590] [2019-11-16 00:19:43,932 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:43,932 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:43,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:44,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:44,438 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718336590] [2019-11-16 00:19:44,439 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:44,440 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:19:44,440 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911030784] [2019-11-16 00:19:44,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:19:44,445 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:44,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:19:44,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:19:44,464 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-16 00:19:46,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:46,108 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-16 00:19:46,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:19:46,111 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2019-11-16 00:19:46,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:46,129 INFO L225 Difference]: With dead ends: 739 [2019-11-16 00:19:46,129 INFO L226 Difference]: Without dead ends: 445 [2019-11-16 00:19:46,133 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 [2019-11-16 00:19:46,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-16 00:19:46,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-16 00:19:46,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-16 00:19:46,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-16 00:19:46,215 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 106 [2019-11-16 00:19:46,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:46,216 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-16 00:19:46,216 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:19:46,216 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-16 00:19:46,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-16 00:19:46,221 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:46,221 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:46,222 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:19:46,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:46,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1744926738, now seen corresponding path program 1 times [2019-11-16 00:19:46,222 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:46,223 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546944500] [2019-11-16 00:19:46,223 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:46,223 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:46,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:46,324 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546944500] [2019-11-16 00:19:46,325 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:46,325 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:19:46,326 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501408567] [2019-11-16 00:19:46,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:19:46,329 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:46,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:19:46,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:19:46,330 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-16 00:19:47,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:47,413 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-11-16 00:19:47,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:19:47,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2019-11-16 00:19:47,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:47,421 INFO L225 Difference]: With dead ends: 1470 [2019-11-16 00:19:47,421 INFO L226 Difference]: Without dead ends: 1027 [2019-11-16 00:19:47,425 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 [2019-11-16 00:19:47,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-11-16 00:19:47,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-11-16 00:19:47,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-16 00:19:47,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-11-16 00:19:47,495 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 124 [2019-11-16 00:19:47,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:47,495 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-11-16 00:19:47,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:19:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-11-16 00:19:47,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-16 00:19:47,502 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:47,502 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:47,503 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:19:47,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:47,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1686692647, now seen corresponding path program 1 times [2019-11-16 00:19:47,503 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:47,504 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344215891] [2019-11-16 00:19:47,504 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:47,504 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:47,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:47,623 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344215891] [2019-11-16 00:19:47,624 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:47,624 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:19:47,624 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885901801] [2019-11-16 00:19:47,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:19:47,625 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:47,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:19:47,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:19:47,626 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-11-16 00:19:48,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:48,723 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-11-16 00:19:48,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:19:48,724 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2019-11-16 00:19:48,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:48,739 INFO L225 Difference]: With dead ends: 2582 [2019-11-16 00:19:48,739 INFO L226 Difference]: Without dead ends: 1855 [2019-11-16 00:19:48,742 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:19:48,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-11-16 00:19:48,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-11-16 00:19:48,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-11-16 00:19:48,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2142 transitions. [2019-11-16 00:19:48,854 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2142 transitions. Word has length 128 [2019-11-16 00:19:48,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:48,855 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2142 transitions. [2019-11-16 00:19:48,855 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:19:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2142 transitions. [2019-11-16 00:19:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-16 00:19:48,867 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:48,867 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:48,867 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:19:48,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:48,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1700654884, now seen corresponding path program 1 times [2019-11-16 00:19:48,868 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:48,869 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469792898] [2019-11-16 00:19:48,869 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:48,869 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:48,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:48,967 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:48,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469792898] [2019-11-16 00:19:48,968 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:48,968 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:19:48,968 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898986034] [2019-11-16 00:19:48,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:19:48,969 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:48,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:19:48,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:19:48,970 INFO L87 Difference]: Start difference. First operand 1570 states and 2142 transitions. Second operand 3 states. [2019-11-16 00:19:49,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:49,624 INFO L93 Difference]: Finished difference Result 3840 states and 5195 transitions. [2019-11-16 00:19:49,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:19:49,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-11-16 00:19:49,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:49,638 INFO L225 Difference]: With dead ends: 3840 [2019-11-16 00:19:49,638 INFO L226 Difference]: Without dead ends: 2272 [2019-11-16 00:19:49,642 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:19:49,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-16 00:19:49,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-11-16 00:19:49,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-11-16 00:19:49,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2839 transitions. [2019-11-16 00:19:49,702 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2839 transitions. Word has length 128 [2019-11-16 00:19:49,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:49,702 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2839 transitions. [2019-11-16 00:19:49,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:19:49,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2839 transitions. [2019-11-16 00:19:49,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-16 00:19:49,711 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:49,712 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:49,712 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:19:49,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:49,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1927886609, now seen corresponding path program 1 times [2019-11-16 00:19:49,713 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:49,713 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404459889] [2019-11-16 00:19:49,714 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:49,714 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:49,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-16 00:19:49,953 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404459889] [2019-11-16 00:19:49,953 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:49,953 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:19:49,954 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722558672] [2019-11-16 00:19:49,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:19:49,955 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:49,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:19:49,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:19:49,956 INFO L87 Difference]: Start difference. First operand 2272 states and 2839 transitions. Second operand 4 states. [2019-11-16 00:19:50,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:50,699 INFO L93 Difference]: Finished difference Result 4542 states and 5676 transitions. [2019-11-16 00:19:50,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:19:50,699 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2019-11-16 00:19:50,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:50,713 INFO L225 Difference]: With dead ends: 4542 [2019-11-16 00:19:50,713 INFO L226 Difference]: Without dead ends: 2272 [2019-11-16 00:19:50,716 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:19:50,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-16 00:19:50,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 1852. [2019-11-16 00:19:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1852 states. [2019-11-16 00:19:50,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1852 states and 2236 transitions. [2019-11-16 00:19:50,763 INFO L78 Accepts]: Start accepts. Automaton has 1852 states and 2236 transitions. Word has length 133 [2019-11-16 00:19:50,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:50,764 INFO L462 AbstractCegarLoop]: Abstraction has 1852 states and 2236 transitions. [2019-11-16 00:19:50,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:19:50,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2236 transitions. [2019-11-16 00:19:50,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-16 00:19:50,769 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:50,769 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:50,769 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:19:50,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:50,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1580571441, now seen corresponding path program 1 times [2019-11-16 00:19:50,770 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:50,771 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535450458] [2019-11-16 00:19:50,771 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:50,771 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:50,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:50,835 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535450458] [2019-11-16 00:19:50,835 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:50,836 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:19:50,836 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251560855] [2019-11-16 00:19:50,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:19:50,837 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:50,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:19:50,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:19:50,838 INFO L87 Difference]: Start difference. First operand 1852 states and 2236 transitions. Second operand 3 states. [2019-11-16 00:19:51,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:51,325 INFO L93 Difference]: Finished difference Result 3987 states and 4778 transitions. [2019-11-16 00:19:51,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:19:51,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-11-16 00:19:51,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:51,342 INFO L225 Difference]: With dead ends: 3987 [2019-11-16 00:19:51,342 INFO L226 Difference]: Without dead ends: 2137 [2019-11-16 00:19:51,345 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:19:51,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2019-11-16 00:19:51,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 1992. [2019-11-16 00:19:51,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1992 states. [2019-11-16 00:19:51,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2277 transitions. [2019-11-16 00:19:51,395 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2277 transitions. Word has length 146 [2019-11-16 00:19:51,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:51,396 INFO L462 AbstractCegarLoop]: Abstraction has 1992 states and 2277 transitions. [2019-11-16 00:19:51,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:19:51,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2277 transitions. [2019-11-16 00:19:51,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-16 00:19:51,403 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:51,403 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:51,403 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:19:51,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:51,404 INFO L82 PathProgramCache]: Analyzing trace with hash 97640742, now seen corresponding path program 1 times [2019-11-16 00:19:51,404 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:51,405 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209931800] [2019-11-16 00:19:51,405 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:51,405 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:51,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-16 00:19:51,560 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209931800] [2019-11-16 00:19:51,560 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:51,560 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:19:51,561 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205122360] [2019-11-16 00:19:51,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:19:51,561 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:51,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:19:51,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:19:51,562 INFO L87 Difference]: Start difference. First operand 1992 states and 2277 transitions. Second operand 3 states. [2019-11-16 00:19:52,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:52,139 INFO L93 Difference]: Finished difference Result 4678 states and 5318 transitions. [2019-11-16 00:19:52,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:19:52,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-11-16 00:19:52,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:52,151 INFO L225 Difference]: With dead ends: 4678 [2019-11-16 00:19:52,151 INFO L226 Difference]: Without dead ends: 1843 [2019-11-16 00:19:52,156 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:19:52,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2019-11-16 00:19:52,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1703. [2019-11-16 00:19:52,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-11-16 00:19:52,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1868 transitions. [2019-11-16 00:19:52,192 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1868 transitions. Word has length 199 [2019-11-16 00:19:52,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:52,193 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1868 transitions. [2019-11-16 00:19:52,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:19:52,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1868 transitions. [2019-11-16 00:19:52,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-16 00:19:52,198 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:52,199 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:52,199 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:19:52,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:52,200 INFO L82 PathProgramCache]: Analyzing trace with hash -567770269, now seen corresponding path program 1 times [2019-11-16 00:19:52,200 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:52,200 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923992812] [2019-11-16 00:19:52,200 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:52,200 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:52,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-16 00:19:52,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923992812] [2019-11-16 00:19:52,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501079863] [2019-11-16 00:19:52,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:19:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:52,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-16 00:19:52,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:19:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-16 00:19:52,654 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-16 00:19:52,654 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-16 00:19:52,656 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044063759] [2019-11-16 00:19:52,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:19:52,657 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:52,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:19:52,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:19:52,657 INFO L87 Difference]: Start difference. First operand 1703 states and 1868 transitions. Second operand 3 states. [2019-11-16 00:19:53,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:53,261 INFO L93 Difference]: Finished difference Result 3818 states and 4179 transitions. [2019-11-16 00:19:53,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:19:53,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-11-16 00:19:53,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:53,262 INFO L225 Difference]: With dead ends: 3818 [2019-11-16 00:19:53,262 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:19:53,266 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:19:53,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:19:53,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:19:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:19:53,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:19:53,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2019-11-16 00:19:53,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:53,268 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:19:53,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:19:53,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:19:53,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:19:53,472 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:19:53,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-16 00:19:53,851 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-11-16 00:19:54,115 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-11-16 00:19:54,117 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,117 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,117 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,117 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-16 00:19:54,118 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-16 00:19:54,118 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-16 00:19:54,118 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-16 00:19:54,118 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-16 00:19:54,118 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-16 00:19:54,118 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-16 00:19:54,118 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,118 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,118 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,119 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-16 00:19:54,119 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-16 00:19:54,119 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-16 00:19:54,119 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-16 00:19:54,119 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-16 00:19:54,119 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-16 00:19:54,119 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-16 00:19:54,119 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,120 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,120 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,120 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-16 00:19:54,120 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-16 00:19:54,120 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-16 00:19:54,120 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-16 00:19:54,120 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-16 00:19:54,120 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,124 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,125 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,126 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-16 00:19:54,126 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-16 00:19:54,126 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-16 00:19:54,126 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-16 00:19:54,129 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-16 00:19:54,130 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-16 00:19:54,130 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-16 00:19:54,130 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-16 00:19:54,130 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,130 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,130 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,131 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-16 00:19:54,131 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-16 00:19:54,133 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-16 00:19:54,134 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-16 00:19:54,134 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-16 00:19:54,134 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-16 00:19:54,134 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-16 00:19:54,134 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-16 00:19:54,135 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,135 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,135 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,135 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-16 00:19:54,136 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-16 00:19:54,136 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-16 00:19:54,136 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-16 00:19:54,136 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-16 00:19:54,136 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-16 00:19:54,136 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-16 00:19:54,137 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-16 00:19:54,137 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-16 00:19:54,137 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,137 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,137 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,137 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-16 00:19:54,138 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-16 00:19:54,139 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-16 00:19:54,139 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-16 00:19:54,139 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-16 00:19:54,139 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-16 00:19:54,139 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,139 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,140 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,140 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-16 00:19:54,140 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-16 00:19:54,140 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-16 00:19:54,140 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-16 00:19:54,140 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-16 00:19:54,141 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-16 00:19:54,141 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-16 00:19:54,141 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-16 00:19:54,141 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-16 00:19:54,141 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,141 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,142 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,142 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-16 00:19:54,142 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-16 00:19:54,142 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-16 00:19:54,142 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-16 00:19:54,143 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-16 00:19:54,143 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 490) no Hoare annotation was computed. [2019-11-16 00:19:54,143 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,143 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,143 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,143 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-16 00:19:54,144 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-16 00:19:54,144 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-16 00:19:54,144 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-16 00:19:54,144 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-16 00:19:54,144 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-16 00:19:54,144 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-16 00:19:54,145 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-16 00:19:54,145 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-16 00:19:54,145 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-16 00:19:54,145 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-16 00:19:54,145 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-16 00:19:54,145 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,146 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,146 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-16 00:19:54,146 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-16 00:19:54,146 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-16 00:19:54,146 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-16 00:19:54,146 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-16 00:19:54,147 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-16 00:19:54,147 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-16 00:19:54,147 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-16 00:19:54,147 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-16 00:19:54,149 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1)) (.cse0 (<= ~a19~0 0)) (.cse5 (= ~a17~0 8)) (.cse6 (not (= ~a28~0 11))) (.cse7 (<= 10 ~a28~0)) (.cse1 (= ~a19~0 1)) (.cse3 (= ~a11~0 1))) (or (and (= ~a28~0 9) .cse0) (and .cse1 .cse2 .cse3) (let ((.cse4 (not .cse2))) (or (and .cse0 (and .cse4 .cse5)) (and .cse0 .cse4 .cse6))) (and .cse5 .cse1 .cse6) (and .cse7 .cse1 .cse2) (and .cse0 .cse5 .cse6) (and .cse7 .cse1 .cse3))) [2019-11-16 00:19:54,149 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,149 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,149 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-16 00:19:54,150 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-16 00:19:54,150 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-16 00:19:54,150 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-16 00:19:54,150 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-16 00:19:54,150 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-16 00:19:54,150 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-16 00:19:54,151 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,151 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,151 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-16 00:19:54,151 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-16 00:19:54,151 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-16 00:19:54,151 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-16 00:19:54,152 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-16 00:19:54,152 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-16 00:19:54,152 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-16 00:19:54,152 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-16 00:19:54,152 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-16 00:19:54,152 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,153 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,153 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-16 00:19:54,153 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-16 00:19:54,153 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-16 00:19:54,153 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-16 00:19:54,153 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-16 00:19:54,154 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-16 00:19:54,154 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1)) (.cse0 (<= ~a19~0 0)) (.cse5 (= ~a17~0 8)) (.cse6 (not (= ~a28~0 11))) (.cse7 (<= 10 ~a28~0)) (.cse1 (= ~a19~0 1)) (.cse3 (= ~a11~0 1))) (or (and (= ~a28~0 9) .cse0) (and .cse1 .cse2 .cse3) (let ((.cse4 (not .cse2))) (or (and .cse0 (and .cse4 .cse5)) (and .cse0 .cse4 .cse6))) (and .cse5 .cse1 .cse6) (and .cse7 .cse1 .cse2) (and .cse0 .cse5 .cse6) (and .cse7 .cse1 .cse3))) [2019-11-16 00:19:54,154 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,154 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,154 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-16 00:19:54,155 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-16 00:19:54,155 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-16 00:19:54,155 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-16 00:19:54,155 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-16 00:19:54,155 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,156 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,156 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-16 00:19:54,156 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-16 00:19:54,156 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-16 00:19:54,156 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-16 00:19:54,156 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-16 00:19:54,160 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-16 00:19:54,160 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-16 00:19:54,161 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-16 00:19:54,161 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-16 00:19:54,161 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,161 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,161 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-16 00:19:54,161 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,162 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-16 00:19:54,162 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-16 00:19:54,163 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-16 00:19:54,164 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-16 00:19:54,164 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-16 00:19:54,164 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-16 00:19:54,164 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-16 00:19:54,164 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,165 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,165 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,165 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-16 00:19:54,165 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-16 00:19:54,165 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-16 00:19:54,165 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-16 00:19:54,166 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-16 00:19:54,166 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,166 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,166 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,166 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-16 00:19:54,166 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-16 00:19:54,167 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-16 00:19:54,167 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-16 00:19:54,167 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-16 00:19:54,167 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-16 00:19:54,167 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,168 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,168 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,168 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-16 00:19:54,168 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-16 00:19:54,168 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-16 00:19:54,168 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-16 00:19:54,169 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-16 00:19:54,169 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-16 00:19:54,169 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-16 00:19:54,169 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-16 00:19:54,169 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-16 00:19:54,169 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,170 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,170 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,170 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-16 00:19:54,170 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-16 00:19:54,170 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-16 00:19:54,170 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-16 00:19:54,171 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-16 00:19:54,171 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,171 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,171 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-16 00:19:54,171 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-16 00:19:54,172 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-16 00:19:54,172 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-16 00:19:54,172 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-16 00:19:54,172 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-16 00:19:54,172 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-16 00:19:54,172 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-16 00:19:54,173 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-16 00:19:54,173 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-16 00:19:54,173 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-16 00:19:54,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:19:54 BoogieIcfgContainer [2019-11-16 00:19:54,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:19:54,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:19:54,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:19:54,222 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:19:54,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:19:43" (3/4) ... [2019-11-16 00:19:54,226 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:19:54,280 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-16 00:19:54,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-16 00:19:54,468 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_50825daf-d737-4e25-8a08-be5a1900c134/bin/uautomizer/witness.graphml [2019-11-16 00:19:54,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:19:54,470 INFO L168 Benchmark]: Toolchain (without parser) took 13221.22 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 413.1 MB). Free memory was 944.7 MB in the beginning and 1.4 GB in the end (delta: -437.3 MB). Peak memory consumption was 445.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:19:54,471 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:19:54,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:19:54,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.03 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:19:54,472 INFO L168 Benchmark]: Boogie Preprocessor took 56.37 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:19:54,472 INFO L168 Benchmark]: RCFGBuilder took 1572.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.9 MB in the end (delta: 108.2 MB). Peak memory consumption was 108.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:19:54,473 INFO L168 Benchmark]: TraceAbstraction took 10452.13 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 991.9 MB in the beginning and 826.6 MB in the end (delta: 165.2 MB). Peak memory consumption was 355.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:19:54,474 INFO L168 Benchmark]: Witness Printer took 247.25 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 85.5 MB). Free memory was 826.6 MB in the beginning and 1.4 GB in the end (delta: -555.4 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. [2019-11-16 00:19:54,477 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 803.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.03 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.37 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1572.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.9 MB in the end (delta: 108.2 MB). Peak memory consumption was 108.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10452.13 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 991.9 MB in the beginning and 826.6 MB in the end (delta: 165.2 MB). Peak memory consumption was 355.6 MB. Max. memory is 11.5 GB. * Witness Printer took 247.25 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 85.5 MB). Free memory was 826.6 MB in the beginning and 1.4 GB in the end (delta: -555.4 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 490]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((a28 == 9 && a19 <= 0) || ((a19 == 1 && a25 == 1) && a11 == 1)) || (a19 <= 0 && !(a25 == 1) && a17 == 8) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a11 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((a28 == 9 && a19 <= 0) || ((a19 == 1 && a25 == 1) && a11 == 1)) || (a19 <= 0 && !(a25 == 1) && a17 == 8) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 10.3s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 1196 SDtfs, 1565 SDslu, 222 SDs, 0 SdLazy, 4134 SolverSat, 795 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 223 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 171 HoareAnnotationTreeSize, 3 FomulaSimplifications, 916 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 288 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1390 NumberOfCodeBlocks, 1390 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1381 ConstructedInterpolants, 0 QuantifiedInterpolants, 493873 SizeOfPredicates, 1 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 568/571 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...